Chains and heterogens:
PDB Chain Sequences:
>4gr1_ (-) vasydylvigggsgglasarraaelgaraavveshklggtcvnvgcvpkkvmwntavhse fmhdhadygfpscegkfnwrvikekrdayvsrlnaiyqnnltkshieiirghaaftsdpk ptievsgkkytaphiliatggmpstphesqipgaslgitsdgffqleelpgrsvivgagy iavemagilsalgsktslmirhdkvlrsfdsmistncteelenagvevlkfsqvkevkkt lsglevsmvtavpgrlpvmtmipdvdcllwaigrvpntkdlslnklgiqtddkghiivde fqntnvkgiyavgdvcgkalltpvaiaagrklahrlfeykedskldynniptvvfshppi gtvgltedeaihkygienvktystsftpmyhavtkrktkcvmkmvcankeekvvgihmqg lgcdemlqgfavavkmgatkadfdntvaihptsseelvtlr