Chains and heterogens:
PDB Chain Sequences:
>1asaA (A:) mfenitaapadpilgladlfraderpgkinlgigvykdetgktpvltsvkkaeqyllene ttknylgidgipefgrctqellfgkgsalindkrartaqtpggtgalrvaadflakntsv krvwvsnpswpnhksvfnsaglevreyayydaenhtldfdalinslneaqagdvvlfhgc chnptgidptleqwqtlaqlsvekgwlplfdfayqgfargleedaeglrafaamhkeliv assysknfglynervgactlvaadsetvdrafsqmkaairanysnppahgasvvatilsn dalraiweqeltdmrqriqrmrqlfvntlqekganrdfsfiikqngmfsfsgltkeqvlr lreefgvyavasgrvnvagmtpdnmaplceaivavl