Gloydius ussuriensis

026 Serine protease anti-thrombus enzyme

No.026
LOCUS    P85109
DEFINITION Serine protease kangshuanmei.
SOURCE Gloydius blomhoffi brevicaudus
COMMENT
[FUNCTION] Thrombin-like snake venom serine protease. Cleaves bonds after Arg and Lys, converts fibrinogen to fibrin and releases fibrinopeptide A, fibrinopeptide, and fibrinogen peptide Bbeta1-42. Does not activate factor XIII. Has a blood clotting activity.
[ENZYME REGULATION] Inhibited by 4-(2-aminoethyl)-benzensulfonyl fluoride. Not inhibited by antithrombin-III.
[SUBUNIT] Monomer.
[SUBCELLULAR LOCATION] Secreted protein.
[TISSUE SPECIFICITY] Expressed by the venom gland.
[PTM] N-glycosylated by units composed of Fuc, Man, GlcNAc, Gal and NeuAC residues.
[MASS SPECTROMETRY] MW=26476; METHOD=MALDI; RANGE=1-236; NOTE=The measured mass is that of the deglycosylated kangshuanmei (Ref.1).
[MASS SPECTROMETRY] MW=32278; METHOD=MALDI; RANGE=1-236; NOTE=The measured mass is that of the glycosylated kangshuanmei (Ref.1).
[SIMILARITY] Belongs to the peptidase S1 family. Snake venom subfamily.
[SIMILARITY] Contains 1 peptidase S1 domain.
FEATURES EC_number="3.4.21.-"
ORIGIN
001 viggdecnin ehrflvalyh srsrtflcgg tlinqewvlt aahcdrffmy irlgmhnknv
061 nfddeqrrsp kekyffrcsn nftkwdkdim lirldspvnn sahiaplslp snppsvgsvc
121 rvmgwgqtts pqedlsdvpr caninlfnft vcraaypwlp atsrvlcagd meggidtcnr
181 dsggplicng qfqgivskgq nlcaqprkpa lytkvfdhld wiqsiiagnk tvtcpp
LENGTH 236 aa
MOLECULAR WEIGHT 26432 Da

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