pic 1

PIC1 PA, a peptide consisting of 15 amino acids, serves as an effective analog of PIC1 that inhibits complement activation mediated by the classical pathway. Functionally, PIC1 PA interferes with the interaction between the C1s-C1r-C1r-C1s/MASPs and the collagen-like region (CLR) of C1q/MBL. It specifically binds to the CLR of C1q, with an average equilibrium dissociation constant (KD) of 33.3 nM when binding purified C1q.

PIC1 PATFA is the trifluoroacetate form of PIC1 PA. PIC1 PA TFA is a peptide composed of 15 amino acids and serves as an effective PIC1 analog capable of inhibiting complement activation mediated by the classical pathway.