Chains and heterogens:
PDB Chain Sequences:
>2eicA (A:) asapigsaisrnnwavtcdsaqsgnecnkaidgnkdtfwhtfygangdpkpphtytidmk ttqnvnglsmlprqdgnqngwigrhevylssdgtnwgspvasgswfadsttkysnfetrp aryvrlvaiteangqpwtsiaeinvfqassytapqpglgrwgptidlpivpaaaaiepts grvlmwssyrndafggspggitltsswdpstgivsdrtvtvtkhdmfcpgismdgngqiv vtggndakktslydsssdswipgpdmqvargyqssatmsdgrvftiggsfsggvfeknge vyspssktwtslpnakvnpmltadkqglyrsdnhawlfgwkkgsvfqagpstamnwyyts gsgdvksagkrqsnrgvapdamcgnavmydavkgkiltfggspdyqdsdattnahiitlg epgtspntvfasnglyfartfhtsvvlpdgstfitggqrrgipfedstpvftpeiyvpeq dtfykqnpnsivrvyhsislllpdgrvfngggglcgdcttnhfdaqiftpnylynsngnl atrpkitrtstqsvkvggritistdssiskaslirygtathtvntdqrripltltnnggn sysfqvpsdsgvalpgywmlfvmnsagvpsvastirvtq