Immunogen sequence: YISNIYLIKG SALRGELQSS DLFHHSKLDP DMAFCANIRQ QDVFMFLTNR HTLGHLLSLD SYRTTHLHND LWEVFSN Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 86%. Forms hydroxylysine residues in -Xaa-Lys-Gly- sequences in coll