Peptide sequence: AYNTFQVTTG GMVLKLEQGE NVFLQATDKN SLLGMEGANS IFSGFLLFPD Sequence homology: Dog: 92%; Horse: 82%; Human: 100%. C1QB is a major constituent of the human complement subcomponent C1q. C1q associates with C1r and C1s in order to yield the fir