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