MASP1 (protein)

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mannan-binding lectin serine peptidase 1 (C4/C2 activating component of Ra-reactive factor)
Identifiers
Symbol	MASP1
Alt. Symbols	CRARF, PRSS5
Entrez	5648
HUGO	6901
OMIM	600521
RefSeq	NM_001879
UniProt	P48740
Other data
Locus	Chr. 3 q27-q28

MASP1 is a protein involved in the complement system.

[edit] See also

• mannan-binding lectin

[edit] External links

• MeSH MASP+Proteases

v • d • e Proteins: complement system (C, L, A) Activators CLA: C3-convertase - C5-convertase - MAC (C6, C7, C8, C9) - L: Mannan-binding lectin - A: Factor P/Properdin Enzymes C: C1Q/C1R/C1S - C4 (C4a) - C2 - CLA: C3 (C3a, C3b/iC3b) - C5 (C5a) - L: MASP1 - MASP2 - A: Complement factor B - Factor D Inhibitors CLA: C1-inhibitor - Decay accelerating factor - Factor I - CL: C4BP - A: Factor H Complement receptors CR1 - CR2 - CR3 - CR4 - CD11b/CD11c/CD18 - Anaphylatoxin (C3a, C5a)

v • d • e Endopeptidases: serine proteases/serine endopeptidases (EC 3.4.21) Digestive enzymes Enteropeptidase - Trypsin - Chymotrypsin - Elastase (Neutrophil, Pancreatic) Coagulation factors: Thrombin - Factor VIIa - Factor IXa - Factor Xa - Factor XIa - Factor XIIa - Kallikrein (PSA) fibrinolysis: Plasmin - Tissue plasminogen activator - Urinary plasminogen activator Complement system Factor B - Factor D - Factor I - MASP (MASP1, MASP2) - C3-convertase Other immune system Chymase - Granzyme - Tryptase - Proteinase 3/Myeloblastin Venombin Ancrod - Batroxobin Other Acrosin - Prolyl endopeptidase - Pronase - Proprotein convertases (1, 2) - Subtilisin/Furin - Streptokinase - S1P