Coagulation factor XIII A chain, (FXIIIa) is a protein that in humans is encoded by the F13A1 gene.
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This gene encodes the coagulation factor XIII A subunit. Coagulation factor XIII is the last zymogen to become activated in the blood coagulation cascade. Plasma factor XIII is a heterotetramer composed of 2 A subunits and 2 B subunits. The A subunits have catalytic function, and the B subunits do not have enzymatic activity and may serve as plasma carrier molecules. Platelet factor XIII is composed of just 2 A subunits, which are identical to those of plasma origin. Upon cleavage of the activation peptide by thrombin and in the presence of calcium ion, the plasma factor XIII dissociates its B subunits and yields the same active enzyme, factor XIIIa, as platelet factor XIII. This enzyme acts as a transglutaminase to catalyze the formation of gamma-glutamyl-epsilon-lysine crosslinking between fibrin molecules, thus stabilizing the fibrin clot. It also crosslinks alpha-2-plasmin inhibitor, or fibronectin, to the alpha chains of fibrin. Factor XIII deficiency is classified into two categories: type I deficiency, characterized by the lack of both the A and B subunits; and type II deficiency, characterized by the lack of the A subunit alone. These defects can result in a lifelong bleeding tendency, defective wound healing, and habitual abortion.[5]
Coagulation factor XIII A chain has been shown to interact with coagulation factor XIII B chain.[6][7]
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- Bishop PD, Teller DC, Smith RA, Lasser GW, Gilbert T, Seale RL (1990). "Expression, purification, and characterization of human factor XIII in Saccharomyces cerevisiae". Biochemistry. 29 (7): 1861–9. doi:10.1021/bi00459a028. PMID 2184890.
- Hilgenfeld R, Liesum A, Storm R, Metzner HJ, Karges HE (1990). "Crystallization of blood coagulation factor XIII by an automated procedure". FEBS Lett. 265 (1–2): 110–2. doi:10.1016/0014-5793(90)80896-Q. PMID 2365049. S2CID 23295980.
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- Takahashi N, Takahashi Y, Putnam FW (1986). "Primary structure of blood coagulation factor XIIIa (fibrinoligase, transglutaminase) from human placenta". Proc. Natl. Acad. Sci. U.S.A. 83 (21): 8019–23. Bibcode:1986PNAS...83.8019T. doi:10.1073/pnas.83.21.8019. PMC 386858. PMID 2877456.
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- Ichinose A, Davie EW (1988). "Characterization of the gene for the a subunit of human factor XIII (plasma transglutaminase), a blood coagulation factor". Proc. Natl. Acad. Sci. U.S.A. 85 (16): 5829–33. Bibcode:1988PNAS...85.5829I. doi:10.1073/pnas.85.16.5829. PMC 281858. PMID 2901091.
- Board PG, Webb GC, McKee J, Ichinose A (1988). "Localization of the coagulation factor XIII A subunit gene (F13A) to chromosome bands 6p24----p25". Cytogenet. Cell Genet. 48 (1): 25–7. doi:10.1159/000132580. PMID 2903011.
- Ichinose A, Hendrickson LE, Fujikawa K, Davie EW (1987). "Amino acid sequence of the a subunit of human factor XIII". Biochemistry. 25 (22): 6900–6. doi:10.1021/bi00370a025. PMID 3026437.
- Takagi T, Doolittle RF (1974). "Amino acid sequence studies on factor XIII and the peptide released during its activation by thrombin". Biochemistry. 13 (4): 750–6. doi:10.1021/bi00701a018. PMID 4811064.
- Yee VC, Pedersen LC, Bishop PD, Stenkamp RE, Teller DC (1995). "Structural evidence that the activation peptide is not released upon thrombin cleavage of factor XIII". Thromb. Res. 78 (5): 389–97. doi:10.1016/0049-3848(95)00072-Y. PMID 7660355.
- Coggan M, Baker R, Miloszewski K, Woodfield G, Board P (1995). "Mutations causing coagulation factor XIII subunit A deficiency: characterization of the mutant proteins after expression in yeast". Blood. 85 (9): 2455–60. doi:10.1182/blood.V85.9.2455.bloodjournal8592455. PMID 7727776.
- Kaczmarek E, Liu Y, Berse B, Chen CS, McDonagh J (1995). "Biosynthesis of plasma factor XIII: evidence for transcription and translation in hepatoma cells". Biochim. Biophys. Acta. 1247 (1): 127–34. doi:10.1016/0167-4838(94)00167-f. PMID 7873582.
- Yee VC, Pedersen LC, Le Trong I, Bishop PD, Stenkamp RE, Teller DC (1994). "Three-dimensional structure of a transglutaminase: human blood coagulation factor XIII". Proc. Natl. Acad. Sci. U.S.A. 91 (15): 7296–300. Bibcode:1994PNAS...91.7296Y. doi:10.1073/pnas.91.15.7296. PMC 44386. PMID 7913750.
- Suzuki K, Iwata M, Ito S, Matsui K, Uchida A, Mizoi Y (1994). "Molecular basis for subtypic differences of the "a" subunit of coagulation factor XIII with description of the genesis of the subtypes". Hum. Genet. 94 (2): 129–35. doi:10.1007/bf00202857. PMID 7913909. S2CID 20800219.