3s9c: Difference between revisions

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==Disease==
==Disease==
[[http://www.uniprot.org/uniprot/FA5_HUMAN FA5_HUMAN]] Defects in F5 are the cause of factor V deficiency (FA5D) [MIM:[http://omim.org/entry/227400 227400]]; also known as Owren parahemophilia. It is a hemorrhagic diastesis.<ref>PMID:10942390</ref><ref>PMID:12393490</ref> Defects in F5 are the cause of thrombophilia due to activated protein C resistance (THPH2) [MIM:[http://omim.org/entry/188055 188055]]. THPH2 is a hemostatic disorder due to defective degradation of factor Va by activated protein C. It is characterized by a poor anticoagulant response to activated protein C resulting in tendency to thrombosis.<ref>PMID:9454742</ref><ref>PMID:11435304</ref><ref>PMID:11858490</ref><ref>PMID:14617013</ref><ref>PMID:14695241</ref> Defects in F5 are a cause of susceptibility to Budd-Chiari syndrome (BDCHS) [MIM:[http://omim.org/entry/600880 600880]]. A syndrome caused by obstruction of hepatic venous outflow involving either the hepatic veins or the terminal segment of the inferior vena cava. Obstructions are generally caused by thrombosis and lead to hepatic congestion and ischemic necrosis. Clinical manifestations observed in the majority of patients include hepatomegaly, right upper quadrant pain and abdominal ascites. Budd-Chiari syndrome is associated with a combination of disease states including primary myeloproliferative syndromes and thrombophilia due to factor V Leiden, protein C deficiency and antithrombin III deficiency. Budd-Chiari syndrome is a rare but typical complication in patients with polycythemia vera.  Defects in F5 may be a cause of susceptibility to ischemic stroke (ISCHSTR) [MIM:[http://omim.org/entry/601367 601367]]; also known as cerebrovascular accident or cerebral infarction. A stroke is an acute neurologic event leading to death of neural tissue of the brain and resulting in loss of motor, sensory and/or cognitive function. Ischemic strokes, resulting from vascular occlusion, is considered to be a highly complex disease consisting of a group of heterogeneous disorders with multiple genetic and environmental risk factors.<ref>PMID:15534175</ref> Defects in F5 are associated with susceptibility to pregnancy loss, recurrent, type 1 (RPRGL1) [MIM:[http://omim.org/entry/614389 614389]]. RPRGL1 is a common complication of pregnancy, resulting in spontaneous abortion before the fetus has reached viability. The term includes all miscarriages from the time of conception until 24 weeks of gestation. Recurrent pregnancy loss is defined as 3 or more consecutive spontaneous abortions.<ref>PMID:11018168</ref>  
[[http://www.uniprot.org/uniprot/FA5_HUMAN FA5_HUMAN]] Defects in F5 are the cause of factor V deficiency (FA5D) [MIM:[http://omim.org/entry/227400 227400]]; also known as Owren parahemophilia. It is a hemorrhagic diastesis.<ref>PMID:10942390</ref> <ref>PMID:12393490</ref>   Defects in F5 are the cause of thrombophilia due to activated protein C resistance (THPH2) [MIM:[http://omim.org/entry/188055 188055]]. THPH2 is a hemostatic disorder due to defective degradation of factor Va by activated protein C. It is characterized by a poor anticoagulant response to activated protein C resulting in tendency to thrombosis.<ref>PMID:9454742</ref> <ref>PMID:11435304</ref> <ref>PMID:11858490</ref> <ref>PMID:14617013</ref> <ref>PMID:14695241</ref>   Defects in F5 are a cause of susceptibility to Budd-Chiari syndrome (BDCHS) [MIM:[http://omim.org/entry/600880 600880]]. A syndrome caused by obstruction of hepatic venous outflow involving either the hepatic veins or the terminal segment of the inferior vena cava. Obstructions are generally caused by thrombosis and lead to hepatic congestion and ischemic necrosis. Clinical manifestations observed in the majority of patients include hepatomegaly, right upper quadrant pain and abdominal ascites. Budd-Chiari syndrome is associated with a combination of disease states including primary myeloproliferative syndromes and thrombophilia due to factor V Leiden, protein C deficiency and antithrombin III deficiency. Budd-Chiari syndrome is a rare but typical complication in patients with polycythemia vera.  Defects in F5 may be a cause of susceptibility to ischemic stroke (ISCHSTR) [MIM:[http://omim.org/entry/601367 601367]]; also known as cerebrovascular accident or cerebral infarction. A stroke is an acute neurologic event leading to death of neural tissue of the brain and resulting in loss of motor, sensory and/or cognitive function. Ischemic strokes, resulting from vascular occlusion, is considered to be a highly complex disease consisting of a group of heterogeneous disorders with multiple genetic and environmental risk factors.<ref>PMID:15534175</ref>   Defects in F5 are associated with susceptibility to pregnancy loss, recurrent, type 1 (RPRGL1) [MIM:[http://omim.org/entry/614389 614389]]. RPRGL1 is a common complication of pregnancy, resulting in spontaneous abortion before the fetus has reached viability. The term includes all miscarriages from the time of conception until 24 weeks of gestation. Recurrent pregnancy loss is defined as 3 or more consecutive spontaneous abortions.<ref>PMID:11018168</ref>


==Function==
==Function==
[[http://www.uniprot.org/uniprot/FA5_HUMAN FA5_HUMAN]] Central regulator of hemostasis. It serves as a critical cofactor for the prothrombinase activity of factor Xa that results in the activation of prothrombin to thrombin.  
[[http://www.uniprot.org/uniprot/VSPG_DABSI VSPG_DABSI]] Venom serine protease that selectively activates factor V (F5) in a calcium-independent manner. It cleaves the Arg(1545)-Ser(1546) linkage in the human factor V molecule. Induces the coagulation of mammalian plasma.<ref>PMID:3053712</ref>  [[http://www.uniprot.org/uniprot/FA5_HUMAN FA5_HUMAN]] Central regulator of hemostasis. It serves as a critical cofactor for the prothrombinase activity of factor Xa that results in the activation of prothrombin to thrombin.  


==About this Structure==
==About this Structure==
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==Reference==
==Reference==
<ref group="xtra">PMID:021871889</ref><ref group="xtra">PMID:020054136</ref><references group="xtra"/><references/>
<ref group="xtra">PMID:021871889</ref><references group="xtra"/><references/>
[[Category: Daboia russellii siamensis]]
[[Category: Daboia russellii siamensis]]
[[Category: Snake venom factor V activator]]
[[Category: Snake venom factor V activator]]

Revision as of 13:34, 3 July 2013

Template:STRUCTURE 3s9c

Russell's viper venom serine proteinase, RVV-V in complex with the fragment (residues 1533-1546) of human factor VRussell's viper venom serine proteinase, RVV-V in complex with the fragment (residues 1533-1546) of human factor V

Template:ABSTRACT PUBMED 21871889

DiseaseDisease

[FA5_HUMAN] Defects in F5 are the cause of factor V deficiency (FA5D) [MIM:227400]; also known as Owren parahemophilia. It is a hemorrhagic diastesis.[1] [2] Defects in F5 are the cause of thrombophilia due to activated protein C resistance (THPH2) [MIM:188055]. THPH2 is a hemostatic disorder due to defective degradation of factor Va by activated protein C. It is characterized by a poor anticoagulant response to activated protein C resulting in tendency to thrombosis.[3] [4] [5] [6] [7] Defects in F5 are a cause of susceptibility to Budd-Chiari syndrome (BDCHS) [MIM:600880]. A syndrome caused by obstruction of hepatic venous outflow involving either the hepatic veins or the terminal segment of the inferior vena cava. Obstructions are generally caused by thrombosis and lead to hepatic congestion and ischemic necrosis. Clinical manifestations observed in the majority of patients include hepatomegaly, right upper quadrant pain and abdominal ascites. Budd-Chiari syndrome is associated with a combination of disease states including primary myeloproliferative syndromes and thrombophilia due to factor V Leiden, protein C deficiency and antithrombin III deficiency. Budd-Chiari syndrome is a rare but typical complication in patients with polycythemia vera. Defects in F5 may be a cause of susceptibility to ischemic stroke (ISCHSTR) [MIM:601367]; also known as cerebrovascular accident or cerebral infarction. A stroke is an acute neurologic event leading to death of neural tissue of the brain and resulting in loss of motor, sensory and/or cognitive function. Ischemic strokes, resulting from vascular occlusion, is considered to be a highly complex disease consisting of a group of heterogeneous disorders with multiple genetic and environmental risk factors.[8] Defects in F5 are associated with susceptibility to pregnancy loss, recurrent, type 1 (RPRGL1) [MIM:614389]. RPRGL1 is a common complication of pregnancy, resulting in spontaneous abortion before the fetus has reached viability. The term includes all miscarriages from the time of conception until 24 weeks of gestation. Recurrent pregnancy loss is defined as 3 or more consecutive spontaneous abortions.[9]

FunctionFunction

[VSPG_DABSI] Venom serine protease that selectively activates factor V (F5) in a calcium-independent manner. It cleaves the Arg(1545)-Ser(1546) linkage in the human factor V molecule. Induces the coagulation of mammalian plasma.[10] [FA5_HUMAN] Central regulator of hemostasis. It serves as a critical cofactor for the prothrombinase activity of factor Xa that results in the activation of prothrombin to thrombin.

About this StructureAbout this Structure

3s9c is a 2 chain structure with sequence from Daboia russellii siamensis. Full crystallographic information is available from OCA.

ReferenceReference

[xtra 1]

  1. ↑ Nakayama D, Ben Ammar Y, Miyata T, Takeda S. Structural basis of coagulation factor V recognition for cleavage by RVV-V. FEBS Lett. 2011 Aug 23. PMID:21871889 doi:10.1016/j.febslet.2011.08.022
  1. ↑ Castoldi E, Simioni P, Kalafatis M, Lunghi B, Tormene D, Girelli D, Girolami A, Bernardi F. Combinations of 4 mutations (FV R506Q, FV H1299R, FV Y1702C, PT 20210G/A) affecting the prothrombinase complex in a thrombophilic family. Blood. 2000 Aug 15;96(4):1443-8. PMID:10942390
  2. ↑ Duga S, Montefusco MC, Asselta R, Malcovati M, Peyvandi F, Santagostino E, Mannucci PM, Tenchini ML. Arg2074Cys missense mutation in the C2 domain of factor V causing moderately severe factor V deficiency: molecular characterization by expression of the recombinant protein. Blood. 2003 Jan 1;101(1):173-7. Epub 2002 Aug 15. PMID:12393490 doi:10.1182/blood-2002-06-1928
  3. ↑ Williamson D, Brown K, Luddington R, Baglin C, Baglin T. Factor V Cambridge: a new mutation (Arg306-->Thr) associated with resistance to activated protein C. Blood. 1998 Feb 15;91(4):1140-4. PMID:9454742
  4. ↑ van Wijk R, Nieuwenhuis K, van den Berg M, Huizinga EG, van der Meijden BB, Kraaijenhagen RJ, van Solinge WW. Five novel mutations in the gene for human blood coagulation factor V associated with type I factor V deficiency. Blood. 2001 Jul 15;98(2):358-67. PMID:11435304
  5. ↑ Schrijver I, Houissa-Kastally R, Jones CD, Garcia KC, Zehnder JL. Novel factor V C2-domain mutation (R2074H) in two families with factor V deficiency and bleeding. Thromb Haemost. 2002 Feb;87(2):294-9. PMID:11858490
  6. ↑ Mumford AD, McVey JH, Morse CV, Gomez K, Steen M, Norstrom EA, Tuddenham EG, Dahlback B, Bolton-Maggs PH. Factor V I359T: a novel mutation associated with thrombosis and resistance to activated protein C. Br J Haematol. 2003 Nov;123(3):496-501. PMID:14617013
  7. ↑ Steen M, Norstrom EA, Tholander AL, Bolton-Maggs PH, Mumford A, McVey JH, Tuddenham EG, Dahlback B. Functional characterization of factor V-Ile359Thr: a novel mutation associated with thrombosis. Blood. 2004 May 1;103(9):3381-7. Epub 2003 Dec 24. PMID:14695241 doi:10.1182/blood-2003-06-2092
  8. ↑ Casas JP, Hingorani AD, Bautista LE, Sharma P. Meta-analysis of genetic studies in ischemic stroke: thirty-two genes involving approximately 18,000 cases and 58,000 controls. Arch Neurol. 2004 Nov;61(11):1652-61. PMID:15534175 doi:61/11/1652
  9. ↑ Martinelli I, Taioli E, Cetin I, Marinoni A, Gerosa S, Villa MV, Bozzo M, Mannucci PM. Mutations in coagulation factors in women with unexplained late fetal loss. N Engl J Med. 2000 Oct 5;343(14):1015-8. PMID:11018168 doi:10.1056/NEJM200010053431405
  10. ↑ Tokunaga F, Nagasawa K, Tamura S, Miyata T, Iwanaga S, Kisiel W. The factor V-activating enzyme (RVV-V) from Russell's viper venom. Identification of isoproteins RVV-V alpha, -V beta, and -V gamma and their complete amino acid sequences. J Biol Chem. 1988 Nov 25;263(33):17471-81. PMID:3053712

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