Chains and heterogens:
PDB Chain Sequences:
>1md8A (A:) dcgqprnlpngdfrytttmgvntykariqyychepyykmqtragsreseqgvytctaqgi wkneqkgekiprclpvcgkpvnpveqrqriiggqkakmgnfpwqvftnihgrgggallgd rwiltaahtlypkeheaqsnasldvflghtnveelmklgnhpirrvsvhpdyrqdesynf egdiallelensvtlgpnllpiclpdndtfydlglmgyvsgfgvmeekiahdlrfvrlpv anpqacenwlrgknrmdvfsqnmfcaghpslkqdacqgdsggvfavrdpntdrwvatgiv swgigcsrgygfytkvlnyvdwikkemee
>1md8A (A:) dcgqprnlpngdfrytttmgvntykariqyychepyykmqtqgvytctaqgiwkneqkge kiprclpvcgkpvnpveqriiggqkakmgnfpwqvftnihgrgggallgdrwiltaahtl ypkehasldvflghtnveelmklgnhpirrvsvhpdyrqdesynfegdiallelensvtl gpnllpiclpdndtfydlglmgyvsgfgvmeekiahdlrfvrlpvanpqacenwlrgknr mdvfsqnmfcaghpslkqdacqgdsggvfavrdpntdrwvatgivswgigcsrgygfytk vlnyvdwikkemee