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LC2

Gene
LC2
Protein
Snaclec coagulation factor X-activating enzyme light chain 2
Organism
Daboia siamensis
Length
158 amino acids
Function
Regulatory subunit of the blood coagulation factor X- and IX-activating enzyme. The enzyme activates coagulation factor X (F10) by cleaving the Arg-Ile bond and is also able to activate coagulation factor IX (F9) and protein S (PROS1) by specific cleavage of Arg-Ile and Arg-Val bonds. May serve as an exosite by which the enzyme recognizes and binds to the Gla domain of factor X (F10) and factor IX (F9) in a calcium-dependent manner.
Similarity
Belongs to the snaclec family.
Mass
18.337 kDa
Sequence
MGRFISVSFGLLVVFLSLSGTGAGLDCPPDSSLYRYFCYRVFKEHKTWEAAERFCMEHPNNGHLVSIESMEEAEFVAKLLSNTTGKFITHFWIGLMIKDKEQECSSEWSDGSSVSYDKLGKQEFRKCFVLEKESGYRMWFNRNCEERYLFVCKVPPEC

Gene
LC2
Protein
Snaclec coagulation factor X-activating enzyme light chain 2
Organism
Macrovipera lebetina
Length
158 amino acids
Function
Regulatory subunit of the blood coagulation factor X-activating enzyme. Activates coagulation factor X (F10) by cleaving the Arg-Ile bond at position 234, activates coagulation factor IX (F9) by cleaving the Arg-Val bond at position 226 and is also able to activate protein C (PROC). May serve as an exosite by which the enzyme recognizes and binds to the Gla domain of factor X (F10) in a calcium-dependent manner.
Similarity
Belongs to the snaclec family.
Mass
18.094 kDa
Sequence
MGRSISVSFGLLAVFLSLSGTGAGLDCPPDSSPYRYFCYRVFKEQKNWADAERFCAERPNNGHLVSIESMEEAEFVAQLLSKITGKFITHFWIGLRIEDKKQQCRSEWSDGSSVSYDNLLKREFRKCFGLEKGTGYRSWFNLNCEEPYPFVCKVPPNC

Gene
LC2
Protein
Snaclec factor X-activator 2 light chain 2
Organism
Vipera ammodytes ammodytes
Length
16 amino acids
Function
Regulatory subunit of the blood coagulation factor X-activating enzyme. Activates coagulation factor X (F10) in a calcium-dependent manner by cleaving the Arg-Ile bond at position 234. Weakly hydrolyzes insulin B chain, fibrinogen and some components of the extracellular matrix in vitro, but does not activate prothrombin or plasminogen.
Similarity
Belongs to the snaclec family.
Mass
1.815 kDa
Fragment
single
Sequence
AFCCPSGWSAYDQNCY

Gene
LC2
Protein
Snaclec factor X-activator 1 light chain 2
Organism
Vipera ammodytes ammodytes
Length
11 amino acids
Function
Regulatory subunit of the blood coagulation factor X-activating enzyme. Activates coagulation factor X (F10) in a calcium-dependent manner by cleaving the Arg-Ile bond at position 234. Weakly hydrolyzes insulin B chain, fibrinogen and some components of the extracellular matrix in vitro, but does not activate prothrombin or plasminogen.
Similarity
Belongs to the snaclec family.
Mass
1.273 kDa
Fragment
single
Sequence
LFDPPDSXPXY