Chains and heterogens:
PDB Chain Sequences:
>1snyA (A:) mgsshhhhhhssglvprgshmnsilitgcnrglglglvkallnlpqppqhlfttcrnreq akeledlaknhsnihileidlrnfdaydklvadiegvtkdqglnvlfnnagiapksarit avrsqelldtlqtntvvpimlakaclpllkkaakanesqpmgvgraaiinmssilgsiqg ntdggmyayrtsksalnaatkslsvdlypqrimcvslhpgwvktdmggssapldvptstg qivqtisklgekqnggfvnydgtplaw
>1snyA (A:) hmnsilitgcnrglglglvkallnlpqppqhlfttcrnreqakeledlaknhsnihilei dlrnfdaydklvadiegvtkdqglnvlfnnagiapksaritavrsqelldtlqtntvvpi mlakaclpllkkaakanesqpmgvgraaiinmssilgsiqgntdggmyayrtsksalnaa tkslsvdlypqrimcvslhpgwvktdmggssapldvptstgqivqtisklgekqnggfvn ydgtplaw