| Structural highlights
Disease
[FA9_HUMAN] Defects in F9 are the cause of recessive X-linked hemophilia B (HEMB) [MIM:306900]; also known as Christmas disease.[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] Note=Mutations in position 43 (Oxford-3, San Dimas) and 46 (Cambridge) prevents cleavage of the propeptide, mutation in position 93 (Alabama) probably fails to bind to cell membranes, mutation in position 191 (Chapel-Hill) or in position 226 (Nagoya OR Hilo) prevent cleavage of the activation peptide. Defects in F9 are the cause of thrombophilia due to factor IX defect (THPH8) [MIM:300807]. A hemostatic disorder characterized by a tendency to thrombosis.[37]
Function
[FA9_HUMAN] Factor IX is a vitamin K-dependent plasma protein that participates in the intrinsic pathway of blood coagulation by converting factor X to its active form in the presence of Ca(2+) ions, phospholipids, and factor VIIIa.
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
The binding of Factor IX to membranes during blood coagulation is mediated by the N-terminal gamma-carboxyglutamic acid-rich (Gla) domain, a membrane-anchoring domain found on vitamin K-dependent blood coagulation and regulatory proteins. Conformation-specific anti-Factor IX antibodies are directed at the calcium-stabilized Gla domain and interfere with Factor IX-membrane interaction. One such antibody, 10C12, recognizes the calcium-stabilized form of the Gla domain of Factor IX. We prepared the fully carboxylated Gla domain of Factor IX by solid phase peptide synthesis and crystallized Factor IX-(1-47) in complex with Fab fragments of the 10C12 antibody. The overall structure of the Gla domain in the Factor IX-(1-47)-antibody complex at 2.2 A is similar to the structure of the Factor IX Gla domain in the presence of calcium ions as determined by NMR spectroscopy (Freedman, S. J., Furie, B. C., Furie, B., and Baleja, J. D. (1995) Biochemistry 34, 12126-12137) and by x-ray crystallography (Shikamoto, Y., Morita, T., Fujimoto, Z., and Mizuno, H. (2003) J. Biol. Chem. 278, 24090-24094). The complex structure shows that the complementarity determining region loops of the 10C12 antibody form a hydrophobic pocket to accommodate the hydrophobic patch of the Gla domain consisting of Leu-6, Phe-9, and Val-10. Polar interactions also play an important role in the antibody-antigen recognition. Furthermore, the calcium coordination network of the Factor IX Gla domain is different than in Gla domain structures of other vitamin K-dependent proteins. We conclude that this antibody is directed at the membrane binding site in the omega loop of Factor IX and blocks Factor IX function by inhibiting its interaction with membranes.
Crystal structure of the calcium-stabilized human factor IX Gla domain bound to a conformation-specific anti-factor IX antibody.,Huang M, Furie BC, Furie B J Biol Chem. 2004 Apr 2;279(14):14338-46. Epub 2004 Jan 13. PMID:14722079[38]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
See Also
References
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- ↑ Suehiro K, Kawabata S, Miyata T, Takeya H, Takamatsu J, Ogata K, Kamiya T, Saito H, Niho Y, Iwanaga S. Blood clotting factor IX BM Nagoya. Substitution of arginine 180 by tryptophan and its activation by alpha-chymotrypsin and rat mast cell chymase. J Biol Chem. 1989 Dec 15;264(35):21257-65. PMID:2592373
- ↑ Green PM, Bentley DR, Mibashan RS, Nilsson IM, Giannelli F. Molecular pathology of haemophilia B. EMBO J. 1989 Apr;8(4):1067-72. PMID:2743975
- ↑ Noyes CM, Griffith MJ, Roberts HR, Lundblad RL. Identification of the molecular defect in factor IX Chapel Hill: substitution of histidine for arginine at position 145. Proc Natl Acad Sci U S A. 1983 Jul;80(14):4200-2. PMID:6603618
- ↑ Bentley AK, Rees DJ, Rizza C, Brownlee GG. Defective propeptide processing of blood clotting factor IX caused by mutation of arginine to glutamine at position -4. Cell. 1986 May 9;45(3):343-8. PMID:3009023
- ↑ Davis LM, McGraw RA, Ware JL, Roberts HR, Stafford DW. Factor IXAlabama: a point mutation in a clotting protein results in hemophilia B. Blood. 1987 Jan;69(1):140-3. PMID:3790720
- ↑ Ware J, Davis L, Frazier D, Bajaj SP, Stafford DW. Genetic defect responsible for the dysfunctional protein: factor IXLong Beach. Blood. 1988 Aug;72(2):820-2. PMID:3401602
- ↑ Sugimoto M, Miyata T, Kawabata S, Yoshioka A, Fukui H, Takahashi H, Iwanaga S. Blood clotting factor IX Niigata: substitution of alanine-390 by valine in the catalytic domain. J Biochem. 1988 Dec;104(6):878-80. PMID:3243764
- ↑ Monroe DM, McCord DM, Huang MN, High KA, Lundblad RL, Kasper CK, Roberts HR. Functional consequences of an arginine180 to glutamine mutation in factor IX Hilo. Blood. 1989 May 1;73(6):1540-4. PMID:2713493
- ↑ Attree O, Vidaud D, Vidaud M, Amselem S, Lavergne JM, Goossens M. Mutations in the catalytic domain of human coagulation factor IX: rapid characterization by direct genomic sequencing of DNA fragments displaying an altered melting behavior. Genomics. 1989 Apr;4(3):266-72. PMID:2714791
- ↑ Koeberl DD, Bottema CD, Buerstedde JM, Sommer SS. Functionally important regions of the factor IX gene have a low rate of polymorphism and a high rate of mutation in the dinucleotide CpG. Am J Hum Genet. 1989 Sep;45(3):448-57. PMID:2773937
- ↑ Liddell MB, Peake IR, Taylor SA, Lillicrap DP, Giddings JC, Bloom AL. Factor IX Cardiff: a variant factor IX protein that shows abnormal activation is caused by an arginine to cysteine substitution at position 145. Br J Haematol. 1989 Aug;72(4):556-60. PMID:2775660
- ↑ Sakai T, Yoshioka A, Yamamoto K, Niinomi K, Fujimura Y, Fukui H, Miyata T, Iwanaga S. Blood clotting factor IX Kashihara: amino acid substitution of valine-182 by phenylalanine. J Biochem. 1989 May;105(5):756-9. PMID:2753873
- ↑ Ware J, Diuguid DL, Liebman HA, Rabiet MJ, Kasper CK, Furie BC, Furie B, Stafford DW. Factor IX San Dimas. Substitution of glutamine for Arg-4 in the propeptide leads to incomplete gamma-carboxylation and altered phospholipid binding properties. J Biol Chem. 1989 Jul 5;264(19):11401-6. PMID:2738071
- ↑ Chen SH, Thompson AR, Zhang M, Scott CR. Three point mutations in the factor IX genes of five hemophilia B patients. Identification strategy using localization by altered epitopes in their hemophilic proteins. J Clin Invest. 1989 Jul;84(1):113-8. PMID:2472424 doi:http://dx.doi.org/10.1172/JCI114130
- ↑ Wang NS, Zhang M, Thompson AR, Chen SH. Factor IX Chongqing: a new mutation in the calcium-binding domain of factor IX resulting in severe hemophilia B. Thromb Haemost. 1990 Feb 19;63(1):24-6. PMID:2339358
- ↑ Taylor SA, Liddell MB, Peake IR, Bloom AL, Lillicrap DP. A mutation adjacent to the beta cleavage site of factor IX (valine 182 to leucine) results in mild haemophilia Bm. Br J Haematol. 1990 Jun;75(2):217-21. PMID:2372509
- ↑ Bertina RM, van der Linden IK, Mannucci PM, Reinalda-Poot HH, Cupers R, Poort SR, Reitsma PH. Mutations in hemophilia Bm occur at the Arg180-Val activation site or in the catalytic domain of factor IX. J Biol Chem. 1990 Jul 5;265(19):10876-83. PMID:2162822
- ↑ Miyata T, Sakai T, Sugimoto M, Naka H, Yamamoto K, Yoshioka A, Fukui H, Mitsui K, Kamiya K, Umeyama H, et al.. Factor IX Amagasaki: a new mutation in the catalytic domain resulting in the loss of both coagulant and esterase activities. Biochemistry. 1991 Nov 26;30(47):11286-91. PMID:1958666
- ↑ Sarkar G, Cassady JD, Pyeritz RE, Gilchrist GS, Sommer SS. Isoleucine397 is changed to threonine in two females with hemophilia B. Nucleic Acids Res. 1991 Mar 11;19(5):1165. PMID:1902289
- ↑ Ludwig M, Sabharwal AK, Brackmann HH, Olek K, Smith KJ, Birktoft JJ, Bajaj SP. Hemophilia B caused by five different nondeletion mutations in the protease domain of factor IX. Blood. 1992 Mar 1;79(5):1225-32. PMID:1346975
- ↑ Taylor SA, Duffin J, Cameron C, Teitel J, Garvey B, Lillicrap DP. Characterization of the original Christmas disease mutation (cysteine 206----serine): from clinical recognition to molecular pathogenesis. Thromb Haemost. 1992 Jan 23;67(1):63-5. PMID:1615485
- ↑ David D, Rosa HA, Pemberton S, Diniz MJ, Campos M, Lavinha J. Single-strand conformation polymorphism (SSCP) analysis of the molecular pathology of hemophilia B. Hum Mutat. 1993;2(5):355-61. PMID:8257988 doi:http://dx.doi.org/10.1002/humu.1380020506
- ↑ Aguilar-Martinez P, Romey MC, Schved JF, Gris JC, Demaille J, Claustres M. Factor IX gene mutations causing haemophilia B: comparison of SSC screening versus systematic DNA sequencing and diagnostic applications. Hum Genet. 1994 Sep;94(3):287-90. PMID:8076946
- ↑ Aguilar-Martinez P, Romey MC, Gris JC, Schved JF, Demaille J, Claustres M. A novel mutation (Val-373 to Glu) in the catalytic domain of factor IX, resulting in moderately/severe hemophilia B in a southern French patient. Hum Mutat. 1994;3(2):156-8. PMID:8199596 doi:http://dx.doi.org/10.1002/humu.1380030211
- ↑ Caglayan SH, Vielhaber E, Gursel T, Aktuglu G, Sommer SS. Identification of mutations in four hemophilia B patients of Turkish origin, including a novel deletion of base 6411. Hum Mutat. 1994;4(2):163-5. PMID:7981722 doi:http://dx.doi.org/10.1002/humu.1380040214
- ↑ Wulff K, Schroder W, Wehnert M, Herrmann FH. Twenty-five novel mutations of the factor IX gene in haemophilia B. Hum Mutat. 1995;6(4):346-8. PMID:8680410 doi:10.1002/humu.1380060410
- ↑ Caglayan SH, Gokmen Y, Aktuglu G, Gurgey A, Sommer SS. Mutations associated with hemophilia B in Turkish patients. Hum Mutat. 1997;10(1):76-9. PMID:9222764 doi:<76::AID-HUMU11>3.0.CO;2-X 10.1002/(SICI)1098-1004(1997)10:1<76::AID-HUMU11>3.0.CO;2-X
- ↑ Chan V, Chan VW, Yip B, Chim CS, Chan TK. Hemophilia B in a female carrier due to skewed inactivation of the normal X-chromosome. Am J Hematol. 1998 May;58(1):72-6. PMID:9590153
- ↑ David D, Moreira I, Morais S, de Deus G. Five novel factor IX mutations in unrelated hemophilia B patients. Hum Mutat. 1998;Suppl 1:S301-3. PMID:9452115
- ↑ Heit JA, Thorland EC, Ketterling RP, Lind TJ, Daniels TM, Zapata RE, Ordonez SM, Kasper CK, Sommer SS. Germline mutations in Peruvian patients with hemophilia B: pattern of mutation in AmerIndians is similar to the putative endogenous germline pattern. Hum Mutat. 1998;11(5):372-6. PMID:9600455 doi:<372::AID-HUMU4>3.0.CO;2-M 10.1002/(SICI)1098-1004(1998)11:5<372::AID-HUMU4>3.0.CO;2-M
- ↑ Wulff K, Bykowska K, Lopaciuk S, Herrmann FH. Molecular analysis of hemophilia B in Poland: 12 novel mutations of the factor IX gene. Acta Biochim Pol. 1999;46(3):721-6. PMID:10698280
- ↑ Montejo JM, Magallon M, Tizzano E, Solera J. Identification of twenty-one new mutations in the factor IX gene by SSCP analysis. Hum Mutat. 1999;13(2):160-5. PMID:10094553 doi:<160::AID-HUMU9>3.0.CO;2-C 10.1002/(SICI)1098-1004(1999)13:2<160::AID-HUMU9>3.0.CO;2-C
- ↑ Vidal F, Farssac E, Altisent C, Puig L, Gallardo D. Factor IX gene sequencing by a simple and sensitive 15-hour procedure for haemophilia B diagnosis: identification of two novel mutations. Br J Haematol. 2000 Nov;111(2):549-51. PMID:11122099
- ↑ Onay UV, Kavakli K, Kilinc Y, Gurgey A, Aktuglu G, Kemahli S, Ozbek U, Caglayan SH. Molecular pathology of haemophilia B in Turkish patients: identification of a large deletion and 33 independent point mutations. Br J Haematol. 2003 Feb;120(4):656-9. PMID:12588353
- ↑ Espinos C, Casana P, Haya S, Cid AR, Aznar JA. Molecular analyses in hemophilia B families: identification of six new mutations in the factor IX gene. Haematologica. 2003 Feb;88(2):235-6. PMID:12604421
- ↑ Simioni P, Tormene D, Tognin G, Gavasso S, Bulato C, Iacobelli NP, Finn JD, Spiezia L, Radu C, Arruda VR. X-linked thrombophilia with a mutant factor IX (factor IX Padua). N Engl J Med. 2009 Oct 22;361(17):1671-5. doi: 10.1056/NEJMoa0904377. PMID:19846852 doi:10.1056/NEJMoa0904377
- ↑ Huang M, Furie BC, Furie B. Crystal structure of the calcium-stabilized human factor IX Gla domain bound to a conformation-specific anti-factor IX antibody. J Biol Chem. 2004 Apr 2;279(14):14338-46. Epub 2004 Jan 13. PMID:14722079 doi:10.1074/jbc.M314011200
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