基因名：
MASP1
产品别名：
3MC1； CRARF； CRARF1； MAP-1； MAP1； MASP； MASP-3； MASP3； MAp44； PRSS5； RaRF； MASP1； MBL associated serine protease 1； MBL associated serine protease 1； mannan-binding lectin serine protease 1； C4/C2 activating component of Ra-reactive factor； Ra-reactive factor serine protease p100； complement factor MASP-3； complement-activating component of Ra-reactive factor； mannan binding lectin serine peptidase 1； mannose-associated serine protease 1； mannose-binding lectin-associated serine protease 1； mannose-binding protein-associated serine protease； serine protease 5； 甘露聚糖结合凝集素丝氨酸肽酶1； 甘露聚糖结合凝集素关联丝氨酸蛋白酶1(MASP1)；
背景信息：
Mannan-Binding Lectin Serine Protease 1 (MASP-1) belongs to the peptidase S1 family. MASP1 contains two CUB domains, one EGF-like domain, one peptidase S1 domain and two Sushi (CCP/SCR) domains. MASP1 is primarily expressed in liver. MASP1 involved in the lectin pathway of the complement, performs a key role in innate immunity by recognizing pathogens through patterns of sugar moieties and neutralizing them. MASP1 is synthesized as a zymogen and activated when it complexes with the pathogen recognition molecules of lectin pathway, the mannose-binding lectin and the ficolins. MASP1 is not directly involved in complement activation but may act as an amplifier of complement activation by cleaving complement C2 or by activating another complement serine protease, MASP2. MASP1 is also able to cleave fibrinogen and factor XIII and may may be involved in coagulation. MASP1 is inhibited by SERPING1 and A2M.
