3.4.21.42 activated complement C1s, C1 esterase, C1-esterase, C1g, C1s, C1s protease, C1s serine protease, complement 1s, complement C.hivin. 1s, complement C1s, complement C1s, activated, complement component 1 s, complement component C1s, complement protease, complement protease C1s, complement subcomponent 1s, complement subcomponent C1sbar, esterase, C1, mannan-binding lectin-associated serine protease-2, MASP-2, MBL-associated serine protease-2, protease C1s, serine protease C1s - -, 650568, 659718, 665686, 669405, 669727, 670270, 670975, 683247, 683891, 696546, 697370, 697420, 699214, 699344, 699395, 700551, 707021, 708860, 710347, 717281, 717805, 731435, 731535, 731865, 731904, 732102, 732820, 732824, 732889, 749979, 752432, 753047, 753071, 753377, 753598 3.4.21.42 multiprotein complex C1 the multiprotein complex C1 is formed from the recognition subcomponent C1q and a tetramer of proteases C1r2C1s2 755267 3.4.21.42 complement component 1 subcomponent s UniProt 749979