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[[Image:1mq6.png|left|200px]]


{{STRUCTURE_1mq6| PDB=1mq6 | SCENE= }}
==Crystal Structure of 3-chloro-N-[4-chloro-2-[[(5-chloro-2-pyridinyl)amino]carbonyl]-6-methoxyphenyl]-4-[[(4,5-dihydro-2-oxazolyl)methylamino]methyl]-2-thiophenecarboxamide Complexed with Human Factor Xa==
<StructureSection load='1mq6' size='340' side='right'caption='[[1mq6]], [[Resolution|resolution]] 2.10&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[1mq6]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MQ6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1MQ6 FirstGlance]. <br>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.1&#8491;</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=XLD:3-CHLORO-N-[4-CHLORO-2-[[(5-CHLORO-2-PYRIDINYL)AMINO]CARBONYL]-6-METHOXYPHENYL]-4-[[(4,5-DIHYDRO-2-OXAZOLYL)METHYLAMINO]METHYL]-2-THIOPHENECARBOXAMIDE'>XLD</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=1mq6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1mq6 OCA], [https://pdbe.org/1mq6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1mq6 RCSB], [https://www.ebi.ac.uk/pdbsum/1mq6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1mq6 ProSAT]</span></td></tr>
</table>
== Disease ==
[https://www.uniprot.org/uniprot/FA10_HUMAN FA10_HUMAN] Defects in F10 are the cause of factor X deficiency (FA10D) [MIM:[https://omim.org/entry/227600 227600]. A hemorrhagic disease with variable presentation. Affected individuals can manifest prolonged nasal and mucosal hemorrhage, menorrhagia, hematuria, and occasionally hemarthrosis. Some patients do not have clinical bleeding diathesis.<ref>PMID:2790181</ref> <ref>PMID:1973167</ref> <ref>PMID:1985698</ref> <ref>PMID:7669671</ref> <ref>PMID:8529633</ref> <ref>PMID:7860069</ref> <ref>PMID:8845463</ref> <ref>PMID:8910490</ref> <ref>PMID:10468877</ref> <ref>PMID:10746568</ref> <ref>PMID:10739379</ref> <ref>PMID:11248282</ref> <ref>PMID:11728527</ref> <ref>PMID:12945883</ref> <ref>PMID:15650540</ref> <ref>PMID:17393015</ref> <ref>PMID:19135706</ref>
== Function ==
[https://www.uniprot.org/uniprot/FA10_HUMAN FA10_HUMAN] Factor Xa is a vitamin K-dependent glycoprotein that converts prothrombin to thrombin in the presence of factor Va, calcium and phospholipid during blood clotting.
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
  <jmolCheckbox>
    <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/mq/1mq6_consurf.spt"</scriptWhenChecked>
    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
    <text>to colour the structure by Evolutionary Conservation</text>
  </jmolCheckbox>
</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1mq6 ConSurf].
<div style="clear:both"></div>
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
There has been intense interest in the development of factor Xa inhibitors for the treatment of thrombotic diseases. Our laboratory has developed a series of novel non-amidine inhibitors of factor Xa. This paper presents two crystal structures of compounds from this series bound to factor Xa. The first structure is derived from the complex formed between factor Xa and compound 1. Compound 1 was the first non-amidine factor Xa inhibitor from our lab that had measurable potency in an in vitro assay of anticoagulant activity. The second compound, 2, has a molar affinity for factor Xa (K(iapp)) of 7 pM and good bioavailability. The two inhibitors bind in an L-shaped conformation with a chloroaromatic ring buried deeply in the S1 pocket. The opposite end of these compounds contains a basic substituent that extends into the S4 binding site. A chlorinated phenyl ring bridges the substituents in the S1 and S4 pockets via amide linkers. The overall conformation is similar to the previously published structures for amidine-based inhibitors complexed with factor Xa. However, there are significant differences in the interactions between the inhibitor and the protein at the atomic level. Most notably, there is no group that forms a salt bridge with the carboxylic acid at the base of the S1 pocket (Asp189). Each inhibitor forms only one well-defined hydrogen bond to the protein. There are no direct charge-charge interactions. The results indicate that electrostatic interactions play a secondary role in the binding of these potent inhibitors.


===Crystal Structure of 3-chloro-N-[4-chloro-2-[[(5-chloro-2-pyridinyl)amino]carbonyl]-6-methoxyphenyl]-4-[[(4,5-dihydro-2-oxazolyl)methylamino]methyl]-2-thiophenecarboxamide Complexed with Human Factor Xa===
Crystal structures of two potent nonamidine inhibitors bound to factor Xa.,Adler M, Kochanny MJ, Ye B, Rumennik G, Light DR, Biancalana S, Whitlow M Biochemistry. 2002 Dec 31;41(52):15514-23. PMID:12501180<ref>PMID:12501180</ref>


{{ABSTRACT_PUBMED_12501180}}
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 
</div>
==About this Structure==
<div class="pdbe-citations 1mq6" style="background-color:#fffaf0;"></div>
[[1mq6]] is a 2 chain structure of [[Factor Xa]] with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1MQ6 OCA].


==See Also==
==See Also==
*[[Factor Xa|Factor Xa]]
*[[Factor Xa|Factor Xa]]
 
== References ==
==Reference==
<references/>
<ref group="xtra">PMID:012501180</ref><references group="xtra"/>
__TOC__
[[Category: Coagulation factor Xa]]
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Adler, M.]]
[[Category: Large Structures]]
[[Category: Whitlow, M.]]
[[Category: Adler M]]
[[Category: Blood clotting]]
[[Category: Whitlow M]]
[[Category: Coagulation cofactor]]
[[Category: Protease]]
[[Category: Protein inhibitor complex]]

Latest revision as of 10:02, 30 October 2024

Crystal Structure of 3-chloro-N-[4-chloro-2-[[(5-chloro-2-pyridinyl)amino]carbonyl]-6-methoxyphenyl]-4-[[(4,5-dihydro-2-oxazolyl)methylamino]methyl]-2-thiophenecarboxamide Complexed with Human Factor Xa

Structural highlights

1mq6 is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.1Å
Ligands:, ,
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

FA10_HUMAN Defects in F10 are the cause of factor X deficiency (FA10D) [MIM:227600. A hemorrhagic disease with variable presentation. Affected individuals can manifest prolonged nasal and mucosal hemorrhage, menorrhagia, hematuria, and occasionally hemarthrosis. Some patients do not have clinical bleeding diathesis.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17]

Function

FA10_HUMAN Factor Xa is a vitamin K-dependent glycoprotein that converts prothrombin to thrombin in the presence of factor Va, calcium and phospholipid during blood clotting.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

There has been intense interest in the development of factor Xa inhibitors for the treatment of thrombotic diseases. Our laboratory has developed a series of novel non-amidine inhibitors of factor Xa. This paper presents two crystal structures of compounds from this series bound to factor Xa. The first structure is derived from the complex formed between factor Xa and compound 1. Compound 1 was the first non-amidine factor Xa inhibitor from our lab that had measurable potency in an in vitro assay of anticoagulant activity. The second compound, 2, has a molar affinity for factor Xa (K(iapp)) of 7 pM and good bioavailability. The two inhibitors bind in an L-shaped conformation with a chloroaromatic ring buried deeply in the S1 pocket. The opposite end of these compounds contains a basic substituent that extends into the S4 binding site. A chlorinated phenyl ring bridges the substituents in the S1 and S4 pockets via amide linkers. The overall conformation is similar to the previously published structures for amidine-based inhibitors complexed with factor Xa. However, there are significant differences in the interactions between the inhibitor and the protein at the atomic level. Most notably, there is no group that forms a salt bridge with the carboxylic acid at the base of the S1 pocket (Asp189). Each inhibitor forms only one well-defined hydrogen bond to the protein. There are no direct charge-charge interactions. The results indicate that electrostatic interactions play a secondary role in the binding of these potent inhibitors.

Crystal structures of two potent nonamidine inhibitors bound to factor Xa.,Adler M, Kochanny MJ, Ye B, Rumennik G, Light DR, Biancalana S, Whitlow M Biochemistry. 2002 Dec 31;41(52):15514-23. PMID:12501180[18]

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

See Also

References

  1. ↑ Reddy SV, Zhou ZQ, Rao KJ, Scott JP, Watzke H, High KA, Jagadeeswaran P. Molecular characterization of human factor XSan Antonio. Blood. 1989 Oct;74(5):1486-90. PMID:2790181
  2. ↑ Watzke HH, Lechner K, Roberts HR, Reddy SV, Welsch DJ, Friedman P, Mahr G, Jagadeeswaran P, Monroe DM, High KA. Molecular defect (Gla+14----Lys) and its functional consequences in a hereditary factor X deficiency (factor X "Vorarlberg"). J Biol Chem. 1990 Jul 15;265(20):11982-9. PMID:1973167
  3. ↑ James HL, Girolami A, Fair DS. Molecular defect in coagulation factor XFriuli results from a substitution of serine for proline at position 343. Blood. 1991 Jan 15;77(2):317-23. PMID:1985698
  4. ↑ Marchetti G, Castaman G, Pinotti M, Lunghi B, Di Iasio MG, Ruggieri M, Rodeghiero F, Bernardi F. Molecular bases of CRM+ factor X deficiency: a frequent mutation (Ser334Pro) in the catalytic domain and a substitution (Glu102Lys) in the second EGF-like domain. Br J Haematol. 1995 Aug;90(4):910-5. PMID:7669671
  5. ↑ Bezeaud A, Miyata T, Helley D, Zeng YZ, Kato H, Aillaud MF, Juhan-Vague I, Guillin MC. Functional consequences of the Ser334-->Pro mutation in a human factor X variant (factor XMarseille). Eur J Biochem. 1995 Nov 15;234(1):140-7. PMID:8529633
  6. ↑ Kim DJ, Thompson AR, James HL. Factor XKetchikan: a variant molecule in which Gly replaces a Gla residue at position 14 in the light chain. Hum Genet. 1995 Feb;95(2):212-4. PMID:7860069
  7. ↑ Messier TL, Wong CY, Bovill EG, Long GL, Church WR. Factor X Stockton: a mild bleeding diathesis associated with an active site mutation in factor X. Blood Coagul Fibrinolysis. 1996 Jan;7(1):5-14. PMID:8845463
  8. ↑ Rudolph AE, Mullane MP, Porche-Sorbet R, Tsuda S, Miletich JP. Factor XSt. Louis II. Identification of a glycine substitution at residue 7 and characterization of the recombinant protein. J Biol Chem. 1996 Nov 8;271(45):28601-6. PMID:8910490
  9. ↑ Zama T, Murata M, Watanabe R, Yokoyama K, Moriki T, Ambo H, Murakami H, Kikuchi M, Ikeda Y. A family with hereditary factor X deficiency with a point mutation Gla32 to Gln in the Gla domain (factor X Tokyo). Br J Haematol. 1999 Sep;106(3):809-11. PMID:10468877
  10. ↑ Millar DS, Elliston L, Deex P, Krawczak M, Wacey AI, Reynaud J, Nieuwenhuis HK, Bolton-Maggs P, Mannucci PM, Reverter JC, Cachia P, Pasi KJ, Layton DM, Cooper DN. Molecular analysis of the genotype-phenotype relationship in factor X deficiency. Hum Genet. 2000 Feb;106(2):249-57. PMID:10746568
  11. ↑ Forberg E, Huhmann I, Jimenez-Boj E, Watzke HH. The impact of Glu102Lys on the factor X function in a patient with a doubly homozygous factor X deficiency (Gla14Lys and Glu102Lys). Thromb Haemost. 2000 Feb;83(2):234-8. PMID:10739379
  12. ↑ Simioni P, Vianello F, Kalafatis M, Barzon L, Ladogana S, Paolucci P, Carotenuto M, Dal Bello F, Palu G, Girolami A. A dysfunctional factor X (factor X San Giovanni Rotondo) present at homozygous and double heterozygous level: identification of a novel microdeletion (delC556) and missense mutation (Lys(408)-->Asn) in the factor X gene. A study of an Italian family. Thromb Res. 2001 Feb 15;101(4):219-30. PMID:11248282
  13. ↑ Vianello F, Lombardi AM, Boldrin C, Luni S, Girolami A. A new factor X defect (factor X Padua 3): a compound heterozygous between true deficiency (Gly(380)-->Arg) and an abnormality (Ser(334)-->Pro). Thromb Res. 2001 Nov 15;104(4):257-64. PMID:11728527
  14. ↑ Vianello F, Lombardi AM, Bello FD, Palu G, Zanon E, Girolami A. A novel type I factor X variant (factor X Cys350Phe) due to loss of a disulfide bond in the catalytic domain. Blood Coagul Fibrinolysis. 2003 Jun;14(4):401-5. PMID:12945883
  15. ↑ Isshiki I, Favier R, Moriki T, Uchida T, Ishihara H, Van Dreden P, Murata M, Ikeda Y. Genetic analysis of hereditary factor X deficiency in a French patient of Sri Lankan ancestry: in vitro expression study identified Gly366Ser substitution as the molecular basis of the dysfunctional factor X. Blood Coagul Fibrinolysis. 2005 Jan;16(1):9-16. PMID:15650540
  16. ↑ Al-Hilali A, Wulff K, Abdel-Razeq H, Saud KA, Al-Gaili F, Herrmann FH. Analysis of the novel factor X gene mutation Glu51Lys in two families with factor X-Riyadh anomaly. Thromb Haemost. 2007 Apr;97(4):542-5. PMID:17393015
  17. ↑ Chafa O, Tagzirt M, Tapon-Bretaudiere J, Reghis A, Fischer AM, LeBonniec BF. Characterization of a homozygous Gly11Val mutation in the Gla domain of coagulation factor X. Thromb Res. 2009 May;124(1):144-8. doi: 10.1016/j.thromres.2008.11.018. Epub 2009, Jan 10. PMID:19135706 doi:10.1016/j.thromres.2008.11.018
  18. ↑ Adler M, Kochanny MJ, Ye B, Rumennik G, Light DR, Biancalana S, Whitlow M. Crystal structures of two potent nonamidine inhibitors bound to factor Xa. Biochemistry. 2002 Dec 31;41(52):15514-23. PMID:12501180

1mq6, resolution 2.10Å

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