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==Structure of Blood Coagulation Factor VIII in Complex with an Anti-C1 Domain Pathogenic Antibody Inhibitor==
<StructureSection load='7k66' size='340' side='right'caption='[[7k66]]' scene=''>
<StructureSection load='7k66' size='340' side='right'caption='[[7k66]], [[Resolution|resolution]] 3.92&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id= OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol= FirstGlance]. <br>
<table><tr><td colspan='2'>[[7k66]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens], [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus] and [https://en.wikipedia.org/wiki/Sus_scrofa Sus scrofa]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=7K66 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=7K66 FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7k66 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7k66 OCA], [https://pdbe.org/7k66 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7k66 RCSB], [https://www.ebi.ac.uk/pdbsum/7k66 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7k66 ProSAT]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.92&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=BMA:BETA-D-MANNOSE'>BMA</scene>, <scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=MAN:ALPHA-D-MANNOSE'>MAN</scene>, <scene name='pdbligand=NAG:N-ACETYL-D-GLUCOSAMINE'>NAG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=7k66 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=7k66 OCA], [https://pdbe.org/7k66 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=7k66 RCSB], [https://www.ebi.ac.uk/pdbsum/7k66 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=7k66 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/FA8_HUMAN FA8_HUMAN] Defects in F8 are the cause of hemophilia A (HEMA) [MIM:[https://omim.org/entry/306700 306700]. A disorder of blood coagulation characterized by a permanent tendency to hemorrhage. About 50% of patients have severe hemophilia resulting in frequent spontaneous bleeding into joints, muscles and internal organs. Less severe forms are characterized by bleeding after trauma or surgery. Note=Of particular interest for the understanding of the function of F8 is the category of CRM (cross-reacting material) positive patients (approximately 5%) that have considerable amount of F8 in their plasma (at least 30% of normal), but the protein is non-functional; i.e. the F8 activity is much less than the plasma protein level. CRM-reduced is another category of patients in which the F8C antigen and activity are reduced to approximately the same level. Most mutations are CRM negative, and probably affect the folding and stability of the protein.<ref>PMID:3012775</ref> <ref>PMID:3122181</ref> <ref>PMID:2833855</ref> <ref>PMID:2835904</ref> <ref>PMID:2499363</ref> <ref>PMID:2506948</ref> <ref>PMID:2510835</ref> <ref>PMID:2495245</ref> <ref>PMID:2498882</ref> <ref>PMID:2104766</ref> <ref>PMID:2105106</ref> <ref>PMID:1973901</ref> <ref>PMID:2105906</ref> <ref>PMID:2106480</ref> <ref>PMID:2107542</ref> <ref>PMID:1908817</ref> <ref>PMID:1908096</ref> <ref>PMID:1851341</ref> <ref>PMID:1356412</ref> <ref>PMID:1639429</ref> <ref>PMID:1349567</ref> <ref>PMID:1301194</ref> <ref>PMID:1301932</ref> <ref>PMID:1301960</ref> <ref>PMID:8449505</ref> <ref>PMID:8322269</ref> <ref>PMID:7579394</ref> <ref>PMID:7794769</ref> <ref>PMID:7759074</ref> <ref>PMID:8644728</ref> <ref>PMID:8639447</ref> <ref>PMID:8759905</ref> <ref>PMID:9029040</ref> <ref>PMID:9326186</ref> <ref>PMID:9341862</ref> <ref>PMID:9886318</ref> <ref>PMID:9450898</ref> <ref>PMID:10215414</ref> <ref>PMID:9603440</ref> <ref>PMID:9452104</ref> <ref>PMID:9792405</ref> <ref>PMID:9829908</ref> <ref>PMID:9569180</ref> <ref>PMID:9569189</ref> <ref>PMID:10554831</ref> <ref>PMID:10338101</ref> <ref>PMID:10408784</ref> <ref>PMID:10404764</ref> <ref>PMID:10910910</ref> <ref>PMID:10910913</ref> <ref>PMID:10691849</ref> <ref>PMID:10886198</ref> <ref>PMID:10800171</ref> <ref>PMID:10896236</ref> <ref>PMID:10612839</ref> <ref>PMID:11410838</ref> <ref>PMID:11298607</ref> <ref>PMID:11442643</ref> <ref>PMID:11442647</ref> <ref>PMID:11554935</ref> <ref>PMID:11748850</ref> <ref>PMID:11341489</ref> <ref>PMID:12351418</ref> <ref>PMID:12406074</ref> <ref>PMID:12199686</ref> <ref>PMID:11857744</ref> <ref>PMID:12203998</ref> <ref>PMID:12325022</ref> <ref>PMID:11858487</ref> <ref>PMID:12195713</ref> <ref>PMID:12930394</ref> <ref>PMID:12871415</ref> <ref>PMID:12614369</ref> <ref>PMID:15682412</ref> <ref>PMID:15810915</ref> <ref>PMID:16805874</ref> <ref>PMID:18184865</ref> <ref>PMID:21371196</ref>
== Function ==
[https://www.uniprot.org/uniprot/FA8_HUMAN FA8_HUMAN] Factor VIII, along with calcium and phospholipid, acts as a cofactor for factor IXa when it converts factor X to the activated form, factor Xa.[https://www.uniprot.org/uniprot/FA8_PIG FA8_PIG] Factor VIII, along with calcium and phospholipid, acts as a cofactor for factor IXa when it converts factor X to the activated form, factor Xa.
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
Antibody inhibitor development in hemophilia A represents the most significant complication resulting from factor VIII (fVIII) replacement therapy. Recent studies have demonstrated that epitopes present in the C1 domain contribute to a pathogenic inhibitor response. In this study, we report the structure of a group A anti-C1 domain inhibitor, termed 2A9, in complex with a B domain-deleted, bioengineered fVIII construct (ET3i). The 2A9 epitope forms direct contacts to the C1 domain at 3 different surface loops consisting of Lys2065-Trp2070, Arg2150-Tyr2156, and Lys2110-Trp2112. Additional contacts are observed between 2A9 and the A3 domain, including the Phe1743-Tyr1748 loop and the N-linked glycosylation at Asn1810. Most of the C1 domain loops in the 2A9 epitope also represent a putative interface between fVIII and von Willebrand factor. Lastly, the C2 domain in the ET3i:2A9 complex adopts a large, novel conformational change, translocating outward from the structure of fVIII by 20 A. This study reports the first structure of an anti-C1 domain antibody inhibitor and the first fVIII:inhibitor complex with a therapeutically active fVIII construct. Further structural understanding of fVIII immunogenicity may result in the development of more effective and safe fVIII replacement therapies.
Structure of blood coagulation factor VIII in complex with an anti-C1 domain pathogenic antibody inhibitor.,Gish JS, Jarvis L, Childers KC, Peters SC, Garrels CS, Smith IW, Spencer HT, Doering CB, Lollar P, Spiegel PC Blood. 2021 May 27;137(21):2981-2986. doi: 10.1182/blood.2020008940. PMID:33529335<ref>PMID:33529335</ref>
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>
<div class="pdbe-citations 7k66" style="background-color:#fffaf0;"></div>
==See Also==
*[[Antibody 3D structures|Antibody 3D structures]]
*[[Factor VIII|Factor VIII]]
== References ==
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Z-disk]]
[[Category: Mus musculus]]
[[Category: Sus scrofa]]
[[Category: Childers KC]]
[[Category: Garrels C]]
[[Category: Gish J]]
[[Category: Jarvis L]]
[[Category: Peters S]]
[[Category: Smith IW]]
[[Category: Spencer HT]]
[[Category: Spiegel PC]]

Latest revision as of 18:18, 18 October 2023

Structure of Blood Coagulation Factor VIII in Complex with an Anti-C1 Domain Pathogenic Antibody InhibitorStructure of Blood Coagulation Factor VIII in Complex with an Anti-C1 Domain Pathogenic Antibody Inhibitor

Structural highlights

7k66 is a 3 chain structure with sequence from Homo sapiens, Mus musculus and Sus scrofa. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.92Å
Ligands:, , , , ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

FA8_HUMAN Defects in F8 are the cause of hemophilia A (HEMA) [MIM:306700. A disorder of blood coagulation characterized by a permanent tendency to hemorrhage. About 50% of patients have severe hemophilia resulting in frequent spontaneous bleeding into joints, muscles and internal organs. Less severe forms are characterized by bleeding after trauma or surgery. Note=Of particular interest for the understanding of the function of F8 is the category of CRM (cross-reacting material) positive patients (approximately 5%) that have considerable amount of F8 in their plasma (at least 30% of normal), but the protein is non-functional; i.e. the F8 activity is much less than the plasma protein level. CRM-reduced is another category of patients in which the F8C antigen and activity are reduced to approximately the same level. Most mutations are CRM negative, and probably affect the folding and stability of the protein.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] [69] [70] [71] [72] [73] [74] [75] [76] [77] [78]

Function

FA8_HUMAN Factor VIII, along with calcium and phospholipid, acts as a cofactor for factor IXa when it converts factor X to the activated form, factor Xa.FA8_PIG Factor VIII, along with calcium and phospholipid, acts as a cofactor for factor IXa when it converts factor X to the activated form, factor Xa.

Publication Abstract from PubMed

Antibody inhibitor development in hemophilia A represents the most significant complication resulting from factor VIII (fVIII) replacement therapy. Recent studies have demonstrated that epitopes present in the C1 domain contribute to a pathogenic inhibitor response. In this study, we report the structure of a group A anti-C1 domain inhibitor, termed 2A9, in complex with a B domain-deleted, bioengineered fVIII construct (ET3i). The 2A9 epitope forms direct contacts to the C1 domain at 3 different surface loops consisting of Lys2065-Trp2070, Arg2150-Tyr2156, and Lys2110-Trp2112. Additional contacts are observed between 2A9 and the A3 domain, including the Phe1743-Tyr1748 loop and the N-linked glycosylation at Asn1810. Most of the C1 domain loops in the 2A9 epitope also represent a putative interface between fVIII and von Willebrand factor. Lastly, the C2 domain in the ET3i:2A9 complex adopts a large, novel conformational change, translocating outward from the structure of fVIII by 20 A. This study reports the first structure of an anti-C1 domain antibody inhibitor and the first fVIII:inhibitor complex with a therapeutically active fVIII construct. Further structural understanding of fVIII immunogenicity may result in the development of more effective and safe fVIII replacement therapies.

Structure of blood coagulation factor VIII in complex with an anti-C1 domain pathogenic antibody inhibitor.,Gish JS, Jarvis L, Childers KC, Peters SC, Garrels CS, Smith IW, Spencer HT, Doering CB, Lollar P, Spiegel PC Blood. 2021 May 27;137(21):2981-2986. doi: 10.1182/blood.2020008940. PMID:33529335[79]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Gitschier J, Wood WI, Shuman MA, Lawn RM. Identification of a missense mutation in the factor VIII gene of a mild hemophiliac. Science. 1986 Jun 13;232(4756):1415-6. PMID:3012775
  2. ↑ Levinson B, Janco R, Phillips J 3rd, Gitschier J. A novel missense mutation in the factor VIII gene identified by analysis of amplified hemophilia DNA sequences. Nucleic Acids Res. 1987 Dec 10;15(23):9797-805. PMID:3122181
  3. ↑ Youssoufian H, Antonarakis SE, Bell W, Griffin AM, Kazazian HH Jr. Nonsense and missense mutations in hemophilia A: estimate of the relative mutation rate at CG dinucleotides. Am J Hum Genet. 1988 May;42(5):718-25. PMID:2833855
  4. ↑ Youssoufian H, Wong C, Aronis S, Platokoukis H, Kazazian HH Jr, Antonarakis SE. Moderately severe hemophilia A resulting from Glu----Gly substitution in exon 7 of the factor VIII gene. Am J Hum Genet. 1988 Jun;42(6):867-71. PMID:2835904
  5. ↑ O'Brien DP, Tuddenham EG. Purification and characterization of factor VIII 1,689-Cys: a nonfunctional cofactor occurring in a patient with severe hemophilia A. Blood. 1989 Jun;73(8):2117-22. PMID:2499363
  6. ↑ Shima M, Ware J, Yoshioka A, Fukui H, Fulcher CA. An arginine to cysteine amino acid substitution at a critical thrombin cleavage site in a dysfunctional factor VIII molecule. Blood. 1989 Oct;74(5):1612-7. PMID:2506948
  7. ↑ Chan V, Chan TK, Tong TM, Todd D. A novel missense mutation in exon 4 of the factor VIII:C gene resulting in moderately severe hemophilia A. Blood. 1989 Dec;74(8):2688-91. PMID:2510835
  8. ↑ Inaba H, Fujimaki M, Kazazian HH Jr, Antonarakis SE. Mild hemophilia A resulting from Arg-to-Leu substitution in exon 26 of the factor VIII gene. Hum Genet. 1989 Mar;81(4):335-8. PMID:2495245
  9. ↑ Arai M, Inaba H, Higuchi M, Antonarakis SE, Kazazian HH Jr, Fujimaki M, Hoyer LW. Direct characterization of factor VIII in plasma: detection of a mutation altering a thrombin cleavage site (arginine-372----histidine). Proc Natl Acad Sci U S A. 1989 Jun;86(11):4277-81. PMID:2498882
  10. ↑ Arai M, Higuchi M, Antonarakis SE, Kazazian HH Jr, Phillips JA 3rd, Janco RL, Hoyer LW. Characterization of a thrombin cleavage site mutation (Arg 1689 to Cys) in the factor VIII gene of two unrelated patients with cross-reacting material-positive hemophilia A. Blood. 1990 Jan 15;75(2):384-9. PMID:2104766
  11. ↑ Casula L, Murru S, Pecorara M, Ristaldi MS, Restagno G, Mancuso G, Morfini M, De Biasi R, Baudo F, Carbonara A, et al.. Recurrent mutations and three novel rearrangements in the factor VIII gene of hemophilia A patients of Italian descent. Blood. 1990 Feb 1;75(3):662-70. PMID:2105106
  12. ↑ Pattinson JK, McVey JH, Boon M, Ajani A, Tuddenham EG. CRM+ haemophilia A due to a missense mutation (372----Cys) at the internal heavy chain thrombin cleavage site. Br J Haematol. 1990 May;75(1):73-7. PMID:1973901
  13. ↑ Higuchi M, Wong C, Kochhan L, Olek K, Aronis S, Kasper CK, Kazazian HH Jr, Antonarakis SE. Characterization of mutations in the factor VIII gene by direct sequencing of amplified genomic DNA. Genomics. 1990 Jan;6(1):65-71. PMID:2105906
  14. ↑ Traystman MD, Higuchi M, Kasper CK, Antonarakis SE, Kazazian HH Jr. Use of denaturing gradient gel electrophoresis to detect point mutations in the factor VIII gene. Genomics. 1990 Feb;6(2):293-301. PMID:2106480
  15. ↑ Kogan S, Gitschier J. Mutations and a polymorphism in the factor VIII gene discovered by denaturing gradient gel electrophoresis. Proc Natl Acad Sci U S A. 1990 Mar;87(6):2092-6. PMID:2107542
  16. ↑ Paynton C, Sarkar G, Sommer SS. Identification of mutations in two families with sporadic hemophilia A. Hum Genet. 1991 Aug;87(4):397-400. PMID:1908817
  17. ↑ Higuchi M, Kazazian HH Jr, Kasch L, Warren TC, McGinniss MJ, Phillips JA 3rd, Kasper C, Janco R, Antonarakis SE. Molecular characterization of severe hemophilia A suggests that about half the mutations are not within the coding regions and splice junctions of the factor VIII gene. Proc Natl Acad Sci U S A. 1991 Aug 15;88(16):7405-9. PMID:1908096
  18. ↑ Schwaab R, Ludwig M, Kochhan L, Oldenburg J, McVey JH, Egli H, Brackmann HH, Olek K. Detection and characterisation of two missense mutations at a cleavage site in the factor VIII light chain. Thromb Res. 1991 Feb 1;61(3):225-34. PMID:1851341
  19. ↑ Krepelova A, Vorlova Z, Acquila M, Mori P. GAA(Glu)272----AAA(Lys) and CGA(Arg)1941----CAA(Gln) in the factor VIII gene in two haemophilia A patients of Czech origin. Br J Haematol. 1992 Jul;81(3):458. PMID:1356412
  20. ↑ Economou EP, Kazazian HH Jr, Antonarakis SE. Detection of mutations in the factor VIII gene using single-stranded conformational polymorphism (SSCP). Genomics. 1992 Jul;13(3):909-11. PMID:1639429
  21. ↑ Reiner AP, Thompson AR. Screening for nonsense mutations in patients with severe hemophilia A can provide rapid, direct carrier detection. Hum Genet. 1992 Apr;89(1):88-94. PMID:1349567
  22. ↑ Nafa K, Baudis M, Deburgrave N, Bardin JM, Sultan Y, Kaplan JC, Delpech M. A novel mutation (Arg-->Leu in exon 18) in factor VIII gene responsible for moderate hemophilia A. Hum Mutat. 1992;1(1):77-8. PMID:1301194 doi:http://dx.doi.org/10.1002/humu.1380010114
  23. ↑ Diamond C, Kogan S, Levinson B, Gitschier J. Amino acid substitutions in conserved domains of factor VIII and related proteins: study of patients with mild and moderately severe hemophilia A. Hum Mutat. 1992;1(3):248-57. PMID:1301932 doi:http://dx.doi.org/10.1002/humu.1380010312
  24. ↑ Jonsdottir S, Diamond C, Levinson B, Magnusson S, Jensson O, Gitschier J. Missense mutations causing mild hemophilia A in Iceland detected by denaturing gradient gel electrophoresis. Hum Mutat. 1992;1(6):506-8. PMID:1301960 doi:http://dx.doi.org/10.1002/humu.1380010610
  25. ↑ McGinniss MJ, Kazazian HH Jr, Hoyer LW, Bi L, Inaba H, Antonarakis SE. Spectrum of mutations in CRM-positive and CRM-reduced hemophilia A. Genomics. 1993 Feb;15(2):392-8. PMID:8449505 doi:http://dx.doi.org/S0888-7543(83)71073-6
  26. ↑ Pieneman WC, Reitsma PH, Briet E. Double strand conformation polymorphism (DSCP) detects two point mutations at codon 280 (AAC-->ATC) and at codon 431 (TAC-->AAC) of the blood coagulation factor VIII gene. Thromb Haemost. 1993 May 3;69(5):473-5. PMID:8322269
  27. ↑ Arruda VR, Pieneman WC, Reitsma PH, Deutz-Terlouw PP, Annichino-Bizzacchi JM, Briet E, Costa FF. Eleven novel mutations in the factor VIII gene from Brazilian hemophilia A patients. Blood. 1995 Oct 15;86(8):3015-20. PMID:7579394
  28. ↑ Pieneman WC, Deutz-Terlouw PP, Reitsma PH, Briet E. Screening for mutations in haemophilia A patients by multiplex PCR-SSCP, Southern blotting and RNA analysis: the detection of a genetic abnormality in the factor VIII gene in 30 out of 35 patients. Br J Haematol. 1995 Jun;90(2):442-9. PMID:7794769
  29. ↑ Bidichandani SI, Lanyon WG, Shiach CR, Lowe GD, Connor JM. Detection of mutations in ectopic factor VIII transcripts from nine haemophilia A patients and the correlation with phenotype. Hum Genet. 1995 May;95(5):531-8. PMID:7759074
  30. ↑ Becker J, Schwaab R, Moller-Taube A, Schwaab U, Schmidt W, Brackmann HH, Grimm T, Olek K, Oldenburg J. Characterization of the factor VIII defect in 147 patients with sporadic hemophilia A: family studies indicate a mutation type-dependent sex ratio of mutation frequencies. Am J Hum Genet. 1996 Apr;58(4):657-70. PMID:8644728
  31. ↑ Chan V, Pang A, Chan TP, Chan VW, Chan TK. Molecular characterization of haemophilia A in southern Chinese. Br J Haematol. 1996 May;93(2):451-6. PMID:8639447
  32. ↑ Rudzki Z, Duncan EM, Casey GJ, Neumann M, Favaloro EJ, Lloyd JV. Mutations in a subgroup of patients with mild haemophilia A and a familial discrepancy between the one-stage and two-stage factor VIII:C methods. Br J Haematol. 1996 Aug;94(2):400-6. PMID:8759905
  33. ↑ Mazurier C, Gaucher C, Jorieux S, Parquet-Gernez A. Mutations in the FVIII gene in seven families with mild haemophilia A. Br J Haematol. 1997 Feb;96(2):426-7. PMID:9029040
  34. ↑ Morichika S, Shima M, Kamisue S, Tanaka I, Imanaka Y, Suzuki H, Shibata H, Pemberton S, Gale K, McVey J, Tuddenham EG, Yoshioka A. Factor VIII gene analysis in Japanese CRM-positive and CRM-reduced haemophilia A patients by single-strand conformation polymorphism. Br J Haematol. 1997 Sep;98(4):901-6. PMID:9326186
  35. ↑ Tavassoli K, Eigel A, Pollmann H, Horst J. Mutational analysis of ectopic factor VIII transcripts from hemophilia A patients: identification of cryptic splice site, exon skipping and novel point mutations. Hum Genet. 1997 Oct;100(5-6):508-11. PMID:9341862
  36. ↑ Liu M, Murphy ME, Thompson AR. A domain mutations in 65 haemophilia A families and molecular modelling of dysfunctional factor VIII proteins. Br J Haematol. 1998 Dec;103(4):1051-60. PMID:9886318
  37. ↑ Maugard C, Tuffery S, Aguilar-Martinez P, Schved JF, Gris JC, Demaille J, Claustres M. Protein truncation test: detection of severe haemophilia a mutation and analysis of factor VIII transcripts. Hum Mutat. 1998;11(1):18-22. PMID:9450898 doi:<18::AID-HUMU3>3.0.CO;2-H 10.1002/(SICI)1098-1004(1998)11:1<18::AID-HUMU3>3.0.CO;2-H
  38. ↑ Theophilus BD, Enayat MS, Higuchi M, Kazazian HH, Antonarakis SE, Hill FG. Independent occurrence of the novel Arg2163 to His mutation in the factor VIII gene in three unrelated families with haemophila A with different phenotypes. Mutations in brief no. 126. Online. Hum Mutat. 1998;11(4):334. PMID:10215414 doi:<334::AID-HUMU20>3.0.CO;2-# 10.1002/(SICI)1098-1004(1998)11:4<334::AID-HUMU20>3.0.CO;2-#
  39. ↑ Freson K, Peerlinck K, Aguirre T, Arnout J, Vermylen J, Cassiman JJ, Matthijs G. Fluorescent chemical cleavage of mismatches for efficient screening of the factor VIII gene. Hum Mutat. 1998;11(6):470-9. PMID:9603440 doi:<470::AID-HUMU8>3.0.CO;2-A 10.1002/(SICI)1098-1004(1998)11:6<470::AID-HUMU8>3.0.CO;2-A
  40. ↑ Tavassoli K, Eigel A, Dworniczak B, Valtseva E, Horst J. Identification of four novel mutations in the factor VIII gene: three missense mutations (E1875G, G2088S, I2185T) and a 2-bp deletion (1780delTC). Hum Mutat. 1998;Suppl 1:S260-2. PMID:9452104
  41. ↑ Tavassoli K, Eigel A, Wilke K, Pollmann H, Horst J. Molecular diagnostics of 15 hemophilia A patients: characterization of eight novel mutations in the factor VIII gene, two of which result in exon skipping. Hum Mutat. 1998;12(5):301-3. PMID:9792405 doi:<301::AID-HUMU2>3.0.CO;2-G 10.1002/(SICI)1098-1004(1998)12:5<301::AID-HUMU2>3.0.CO;2-G
  42. ↑ Laprise SL, Mak EK, Killoran KA, Layman LC, Gray MR. Use of denaturing gradient gel blots to screen for point mutations in the factor VIII gene. Hum Mutat. 1998;12(6):393-402. PMID:9829908 doi:<393::AID-HUMU5>3.0.CO;2-A 10.1002/(SICI)1098-1004(1998)12:6<393::AID-HUMU5>3.0.CO;2-A
  43. ↑ Williams IJ, Abuzenadah A, Winship PR, Preston FE, Dolan G, Wright J, Peake IR, Goodeve AC. Precise carrier diagnosis in families with haemophilia A: use of conformation sensitive gel electrophoresis for mutation screening and polymorphism analysis. Thromb Haemost. 1998 Apr;79(4):723-6. PMID:9569180
  44. ↑ Hay CR, Ludlam CA, Colvin BT, Hill FG, Preston FE, Wasseem N, Bagnall R, Peake IR, Berntorp E, Mauser Bunschoten EP, Fijnvandraat K, Kasper CK, White G, Santagostino E. Factor VIII inhibitors in mild and moderate-severity haemophilia A. UK Haemophilia Centre Directors Organisation. Thromb Haemost. 1998 Apr;79(4):762-6. PMID:9569189
  45. ↑ Keeling DM, Sukhu K, Kemball-Cook G, Waseem N, Bagnall R, Lloyd JV. Diagnostic importance of the two-stage factor VIII:C assay demonstrated by a case of mild haemophilia associated with His1954-->Leu substitution in the factor VIII A3 domain. Br J Haematol. 1999 Jun;105(4):1123-6. PMID:10554831
  46. ↑ Strmecki L, Benedik-Dolnicar M, Vouk K, Komel R. Screen of 55 Slovenian haemophilia A patients: identification of 2 novel mutations (S-1R and IVS23+1G-->A) and discussion of mutation spectrum. Mutation in brief no. 241. Online. Hum Mutat. 1999;13(5):413. PMID:10338101 doi:<413::AID-HUMU14>3.0.CO;2-H 10.1002/(SICI)1098-1004(1999)13:5<413::AID-HUMU14>3.0.CO;2-H
  47. ↑ Moller-Morlang K, Tavassoli K, Eigel A, Pollmann H, Horst J. Mutational-screening in the factor VIII gene resulting in the identification of three novel mutations, one of which is a donor splice mutation. Mutations in brief no. 245. Online. Hum Mutat. 1999;13(6):504. PMID:10408784 doi:<504::AID-HUMU14>3.0.CO;2-9 10.1002/(SICI)1098-1004(1999)13:6<504::AID-HUMU14>3.0.CO;2-9
  48. ↑ Waseem NH, Bagnall R, Green PM, Giannelli F. Start of UK confidential haemophilia A database: analysis of 142 patients by solid phase fluorescent chemical cleavage of mismatch. Haemophilia Centres. Thromb Haemost. 1999 Jun;81(6):900-5. PMID:10404764
  49. ↑ Jacquemin M, Lavend'homme R, Benhida A, Vanzieleghem B, d'Oiron R, Lavergne JM, Brackmann HH, Schwaab R, VandenDriessche T, Chuah MK, Hoylaerts M, Gilles JG, Peerlinck K, Vermylen J, Saint-Remy JM. A novel cause of mild/moderate hemophilia A: mutations scattered in the factor VIII C1 domain reduce factor VIII binding to von Willebrand factor. Blood. 2000 Aug 1;96(3):958-65. PMID:10910910
  50. ↑ Liu ML, Shen BW, Nakaya S, Pratt KP, Fujikawa K, Davie EW, Stoddard BL, Thompson AR. Hemophilic factor VIII C1- and C2-domain missense mutations and their modeling to the 1.5-angstrom human C2-domain crystal structure. Blood. 2000 Aug 1;96(3):979-87. PMID:10910913
  51. ↑ Roelse JC, De Laaf RT, Timmermans SM, Peters M, Van Mourik JA, Voorberg J. Intracellular accumulation of factor VIII induced by missense mutations Arg593-->Cys and Asn618-->Ser explains cross-reacting material-reduced haemophilia A. Br J Haematol. 2000 Feb;108(2):241-6. PMID:10691849
  52. ↑ Schwaab R, Oldenburg J, Kemball-Cook G, Albert T, Juhler C, Hanfland P, Ingerslev J. Assay discrepancy in mild haemophilia A due to a factor VIII missense mutation (Asn694Ile) in a large Danish family. Br J Haematol. 2000 Jun;109(3):523-8. PMID:10886198
  53. ↑ Tagariello G, Belvini D, Salviato R, Are A, De Biasi E, Goodeve A, Davoli P. Experience of a single Italian center in genetic counseling for hemophilia: from linkage analysis to molecular diagnosis. Haematologica. 2000 May;85(5):525-9. PMID:10800171
  54. ↑ Goodeve AC, Williams I, Bray GL, Peake IR. Relationship between factor VIII mutation type and inhibitor development in a cohort of previously untreated patients treated with recombinant factor VIII (Recombinate). Recombinate PUP Study Group. Thromb Haemost. 2000 Jun;83(6):844-8. PMID:10896236
  55. ↑ Akkarapatumwong V, Oranwiroon S, Pung-amritt P, Treesucon A, Thanootarakul P, Veerakul G, Mahasandana C, Panyim S, Yenchitsomanus P. Mutations of the factor VIII gene in thai hemophilia A patients. Hum Mutat. 2000 Jan;15(1):117-8. PMID:10612839 doi:<117::AID-HUMU27>3.0.CO;2-E 10.1002/(SICI)1098-1004(200001)15:1<117::AID-HUMU27>3.0.CO;2-E
  56. ↑ Leuer M, Oldenburg J, Lavergne JM, Ludwig M, Fregin A, Eigel A, Ljung R, Goodeve A, Peake I, Olek K. Somatic mosaicism in hemophilia A: a fairly common event. Am J Hum Genet. 2001 Jul;69(1):75-87. Epub 2001 Jun 14. PMID:11410838 doi:S0002-9297(07)61447-5
  57. ↑ Ivaskevicius V, Jurgutis R, Rost S, Muller A, Schmitt C, Wulff K, Herrmann FH, Muller CR, Schwaab R, Oldenburg J. Lithuanian haemophilia A and B registry comprising phenotypic and genotypic data. Br J Haematol. 2001 Mar;112(4):1062-70. PMID:11298607
  58. ↑ Theophilus BD, Enayat MS, Williams MD, Hill FG. Site and type of mutations in the factor VIII gene in patients and carriers of haemophilia A. Haemophilia. 2001 Jul;7(4):381-91. PMID:11442643
  59. ↑ Bauduer F, Ducout L, Bendriss P, Falaises B, Lavergne JM. Mild haemophilia A discovered in a previously multi-operated 73-year-old man: characterization of a new mutation. Haemophilia. 2001 Jul;7(4):419-21. PMID:11442647
  60. ↑ Timur AA, Gurgey A, Aktuglu G, Kavakli K, Canatan D, Olek K, Caglayan SH. Molecular pathology of haemophilia A in Turkish patients: identification of 36 independent mutations. Haemophilia. 2001 Sep;7(5):475-81. PMID:11554935
  61. ↑ Bogdanova N, Lemcke B, Markoff A, Pollmann H, Dworniczak B, Eigel A, Horst J. Seven novel and four recurrent point mutations in the factor VIII (F8C) gene. Hum Mutat. 2001 Dec;18(6):546. PMID:11748850 doi:10.1002/humu.1234
  62. ↑ Vidal F, Farssac E, Altisent C, Puig L, Gallardo D. Rapid hemophilia A molecular diagnosis by a simple DNA sequencing procedure: identification of 14 novel mutations. Thromb Haemost. 2001 Apr;85(4):580-3. PMID:11341489
  63. ↑ Valleix S, Vinciguerra C, Lavergne JM, Leuer M, Delpech M, Negrier C. Skewed X-chromosome inactivation in monochorionic diamniotic twin sisters results in severe and mild hemophilia A. Blood. 2002 Oct 15;100(8):3034-6. PMID:12351418 doi:10.1182/blood-2002-01-0277
  64. ↑ Mazurier C, Parquet-Gernez A, Gaucher C, Lavergne JM, Goudemand J. Factor VIII deficiency not induced by FVIII gene mutation in a female first cousin of two brothers with haemophilia A. Br J Haematol. 2002 Nov;119(2):390-2. PMID:12406074
  65. ↑ Sukarova-Stefanovska E, Zisovski N, Muratovska O, Kostova S, Efremov GD. Three novel point mutations causing haemophilia A. Haemophilia. 2002 Sep;8(5):715-8. PMID:12199686
  66. ↑ Cutler JA, Mitchell MJ, Smith MP, Savidge GF. The identification and classification of 41 novel mutations in the factor VIII gene (F8C). Hum Mutat. 2002 Mar;19(3):274-8. PMID:11857744 doi:10.1002/humu.10056
  67. ↑ Frusconi S, Passerini I, Girolami F, Masieri M, Linari S, Longo G, Morfini M, Torricelli F. Identification of seven novel mutations of F8C by DHPLC. Hum Mutat. 2002 Sep;20(3):231-2. PMID:12203998 doi:10.1002/humu.9052
  68. ↑ Citron M, Godmilow L, Ganguly T, Ganguly A. High throughput mutation screening of the factor VIII gene (F8C) in hemophilia A: 37 novel mutations and genotype-phenotype correlation. Hum Mutat. 2002 Oct;20(4):267-74. PMID:12325022 doi:10.1002/humu.10119
  69. ↑ Liu ML, Nakaya S, Thompson AR. Non-inversion factor VIII mutations in 80 hemophilia A families including 24 with alloimmune responses. Thromb Haemost. 2002 Feb;87(2):273-6. PMID:11858487
  70. ↑ Klopp N, Oldenburg J, Uen C, Schneppenheim R, Graw J. 11 hemophilia A patients without mutations in the factor VIII encoding gene. Thromb Haemost. 2002 Aug;88(2):357-60. PMID:12195713
  71. ↑ Bicocchi MP, Pasino M, Lanza T, Bottini F, Boeri E, Mori PG, Molinari AC, Rosano C, Acquila M. Analysis of 18 novel mutations in the factor VIII gene. Br J Haematol. 2003 Sep;122(5):810-7. PMID:12930394
  72. ↑ Habart D, Kalabova D, Novotny M, Vorlova Z. Thirty-four novel mutations detected in factor VIII gene by multiplex CSGE: modeling of 13 novel amino acid substitutions. J Thromb Haemost. 2003 Apr;1(4):773-81. PMID:12871415
  73. ↑ Yenchitsomanus P, Akkarapatumwong V, Pung-Amritt P, Intorasoot S, Thanootarakul P, Oranwiroon S, Veerakul G, Mahasandana C. Genotype and phenotype of haemophilia A in Thai patients. Haemophilia. 2003 Mar;9(2):179-86. PMID:12614369
  74. ↑ Bicocchi MP, Pasino M, Lanza T, Bottini F, Molinari AC, Caprino D, Rosano C, Acquila M. Small FVIII gene rearrangements in 18 hemophilia A patients: five novel mutations. Am J Hematol. 2005 Feb;78(2):117-22. PMID:15682412 doi:10.1002/ajh.20234
  75. ↑ Hill M, Deam S, Gordon B, Dolan G. Mutation analysis in 51 patients with haemophilia A: report of 10 novel mutations and correlations between genotype and clinical phenotype. Haemophilia. 2005 Mar;11(2):133-41. PMID:15810915 doi:10.1111/j.1365-2516.2005.01069.x
  76. ↑ Cai XH, Wang XF, Dai J, Fang Y, Ding QL, Xie F, Wang HL. Female hemophilia A heterozygous for a de novo frameshift and a novel missense mutation of factor VIII. J Thromb Haemost. 2006 Sep;4(9):1969-74. Epub 2006 Jun 27. PMID:16805874 doi:JTH2105
  77. ↑ Vencesla A, Corral-Rodriguez MA, Baena M, Cornet M, Domenech M, Baiget M, Fuentes-Prior P, Tizzano EF. Identification of 31 novel mutations in the F8 gene in Spanish hemophilia A patients: structural analysis of 20 missense mutations suggests new intermolecular binding sites. Blood. 2008 Apr 1;111(7):3468-78. doi: 10.1182/blood-2007-08-108068. Epub 2008, Jan 9. PMID:18184865 doi:10.1182/blood-2007-08-108068
  78. ↑ Albanez S, Ruiz-Saez A, Boadas A, de Bosch N, Porco A. Identification of factor VIII gene mutations in patients with severe haemophilia A in Venezuela: identification of seven novel mutations. Haemophilia. 2011 Sep;17(5):e913-8. doi: 10.1111/j.1365-2516.2011.02500.x. Epub, 2011 Mar 4. PMID:21371196 doi:10.1111/j.1365-2516.2011.02500.x
  79. ↑ Gish JS, Jarvis L, Childers KC, Peters SC, Garrels CS, Smith IW, Spencer HT, Doering CB, Lollar P, Spiegel PC. Structure of blood coagulation factor VIII in complex with an anti-C1 domain pathogenic antibody inhibitor. Blood. 2021 May 27;137(21):2981-2986. PMID:33529335 doi:10.1182/blood.2020008940

7k66, resolution 3.92Å

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