Chains and heterogens:
PDB Chain Sequences:
>1mn1A (A:) avcpdgtrvshaaccafiplaqdlqetifqnecgedahevirltfhdaiaisrsqgpkag ggadgsmllfptvepnfsanngiddsvnnlipfmqkhntisaadlvqfagavalsncpga prleflagrpnktiaavdglipepqdsvtkilqrfedaggftpfevvsllashsvarank vdqtidaapfdstpftfdtqvflevllkgvgfpgsanntgevasplplgsgsdtgemrlq sdfalahdprtaciwqgfvneqafmaasfraamsklavlghnrnslidcsdvvpvpkpat gqpamfpastgpqdlelscpserfptlttqpgasqsliahcpdgsmscpgvqfngpa