Chains and heterogens:
PDB Chain Sequences:
>1grtA (A:) acrqepqpqgpppaagavasydylvigggsgglesawraaelgaraavveshklggtcvn vgcvpkkvmwntavhsefmhdhadygfpscegkfnwrvikekrdayvsrlnaiyqnnltk shieiirghaaftsdpkptievsgkkytaphiliatggmpstphesqipgaslgitsdgf fqleelpgrsvivgagyiavemagilsalgsktslmirhdkvlrsfdsmistncteelen agvevlkfsqvkevkktlsglevsmvtavpgrlpvmtmipdvdcllwaigrvpntkdlsl nklgiqtddkghiivdefqntnvkgiyavgdvcgkalltpvaiaagrklahrlfeykeds kldynniptvvfshppigtvgltedeaihkygienvktystsftpmyhavtkrktkcvmk mvcankeekvvgihmqglgcdemlqgfavavkmgatkadfdntvaihptsseelvtlr
>1grtA (A:) avasydylvigggsgglesawraaelgaraavveshklggtcvnvgcvpkkvmwntavhs efmhdhadygfpscegkfnwrvikekrdayvsrlnaiyqnnltkshieiirghaaftsdp kptievsgkkytaphiliatggmpstphesqipgaslgitsdgffqleelpgrsvivgag yiavemagilsalgsktslmirhdkvlrsfdsmistncteelenagvevlkfsqvkevkk tlsglevsmvtavpgrlpvmtmipdvdcllwaigrvpntkdlslnklgiqtddkghiivd efqntnvkgiyavgdvcgkalltpvaiaagrklahrlfeykedskldynniptvvfshpp igtvgltedeaihkygienvktystsftpmyhavtkrktkcvmkmvcankeekvvgihmq glgcdemlqgfavavkmgatkadfdntvaihptsseelvtlr