>5cvb_B mol:protein length:71 Collagen alpha-1(I) chain,Collagen alpha-2(IX) chainGSGPPGPPGPPGPPGARGQAGVMGFPGPPGPPGPPGRDATDQHIVDVALKMLQEQLAEVAVSAKREALGAV