Table 1.

Summary of all C1r fragments with their predicted and apparent mass.

Amino acid	Description	Predicted polypeptide chain mass (kDa)	Number of N-linked sugars	Apparent mass on western blot (kDa)
18–463	A (heavy) chain	51	2	55
18–228	α-fragment	28	2	35
229–296	β-fragment	7.7	–	Not detected
18–296	αβ-fragment	35.7	2	40
297–449	γ-fragment	19.6	–	Not detected
464–705	B (light) chain	27	2	38
18…705	Proenzyme C1r	78	4	100