Chains and heterogens:
PDB Chain Sequences:
>1m74A (A:) mlgilnkmfdptkrtlnryekiandidairgdyenlsddalkhktiefkerlekgattdd llveafavvreasrrvtgmfpfkvqlmggvalhdgniaemktgegktltstlpvylnalt gkgvhvvtvneylasrdaeqmgkifeflgltvglnlnsmskdekreayaaditystnnel gfdylrdnmvlykeqmvqrplhfavidevdsilideartpliisgqaakstklyvqanaf vrtlkaekdytydiktkavqlteegmtkaekafgidnlfdvkhvalnhhinqalkahvam qkdvdyvvedgqvvivdsftgrlmkgrryseglhqaieakegleiqnesmtlatitfqny frmyeklagmtgtakteeeefrniynmqvvtiptnrpvvrddrpdliyrtmegkfkavae dvaqrymtgqpvlvgtvavetseliskllknkgiphqvlnaknhereaqiieeagqkgav tiatnmagrgtdiklgegvkelgglavvgterhesrridnqlrgrsgrqgdpgitqfyls medelmrrfgaertmamldrfgmddstpiqskmvsravessqkrvegnnfdsrkqllqyd dvlrqqreviykqrfevidsenlreivenmikssleraiaaytpreelpeewkldglvdl inttyldegaleksdifgkepdemlelimdriitkynekeeqfgkeqmrefekvivlrav dskwmdhidamdqlrqgihlrayaqtnplreyqmegfamfehmiesiedevakfvmkaei ennlereevvqgqttahqpqeg