Immunogen sequence: AAAAVSSAKRS LRGELKQRLR AMSAEERLRQ SRVLSQKVIA HSEYQKSKRI SIFLSMQDEI ETEEIIKDIF QRGKICFIPR YRFQSNHMDM VRIESPEEIS Highest antigen sequence identity to the following orthologs - mouse 79%, rat 79%. Contributes to tetrahydrofolate metaboli