Map44

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

Mannose-binding lectin-associated protein of 44 kDa (MAp44) is a protein arising from the human MASP1 gene. MASP-1, MASP-3 and MAp44 are alternative splice products of the MASP1 gene. MAp44 has been suggested to act as a competitive inhibitor of lectin pathway activation, by displacing MASP-2 from MBL, hence preventing cleavage of C4 and C2 [1]

See also

References

  1. Degn, Søren; Annette G. Hansen; Rudi Steffensen; Christian Jacobsen; Jens C. Jensenius; Steffen Thiel (November 2009). "MAp44, a Human Protein Associated with Pattern Recognition Molecules of the Complement System and Regulating the Lectin Pathway of Complement Activation". Journal of Immunology 183 (11): 7371–7378. doi:10.4049/jimmunol.0902388. PMID 19917686.

External links


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