Chains and heterogens:
PDB Chain Sequences:
>2ctsA (A:) asstnlkdiladlipkeqariktfrqqhgntavgqitvdmmyggmrgmkglvyetsvldp degirfrgysipecqkmlpkakggeeplpeglfwllvtgqipteeqvswlskewakraal pshvvtmldnfptnlhpmsqlsaaitalnsesnfarayaegihrtkyweliyedcmdlia klpcvaakiyrnlyregssigaidskldwshnftnmlgytdaqftelmrlyltihsdheg gnvsahtshlvgsalsdpylsfaaamnglagplhglanqevlvwltqlqkevgkdvsdek lrdyiwntlnsgrvvpgyghavlrktdprytcqrefalkhlphdpmfklvaqlykivpnv lleqgkaknpwpnvdahsgvllqyygmtemnyytvlfgvsralgvlaqliwsralgfple rpksmstdgliklvdsk