Chains and heterogens:
PDB Chain Sequences:
>2ecpA (A:) sqpifndkqfqealsrqwqryglnsaaemtprqwwlavsealaemlraqpfakpvanqrh vnyismefligrltgnnllnlgwyqdvqdslkaydinltdlleeeidpalgngglgrlaa cfldsmatvgqsatgyglnyqyglfrqsfvdgkqveapddwhrsnypwfrhnealdvqvg iggavtkdgrwepeftitgqawdlpvvgyrngvaqplrlwqathahpfdltkfndgdflr aeqqginaekltkvlypndnhtagkklrlmqqyfqcacsvadilrrhhlagrelhelady eviqlndthptiaipellrvlidehqmswddawaitsktfaytnhtlmpealerwdvklv kgllprhmqiineintrfktlvektwpgdekvwaklavvhdkqvhmanlcvvggfavngv aalhsdlvvkdlfpeyhqlwpnkfhnvtngitprrwikqcnpalaalldkslqkewandl dqlinlvkladdakfrdlyrvikqankvrlaefvkvrtgidinpqaifdiqikrlheykr qhlnllrilalykeirenpqadrvprvflfgakaapgyylakniifainkvadvinndpl vgdklkvvflpdycvsaaeklipaadiseqistagkeasgtgnmklalngaltvgtldga nveiaekvgeenififghtvkqvkailakgydpvkwrkkdkvldavlkelesgkysdgdk hafdqmlhsigkqggdpylvmadfaayveaqkqvdvlyrdqeawtraailntarcgmfss drsirdyqariwqaar
>2ecpB (B:) sqpifndkqfqealsrqwqryglnsaaemtprqwwlavsealaemlraqpfakpvanqrh vnyismefligrltgnnllnlgwyqdvqdslkaydinltdlleeeidpalgngglgrlaa cfldsmatvgqsatgyglnyqyglfrqsfvdgkqveapddwhrsnypwfrhnealdvqvg iggavtkdgrwepeftitgqawdlpvvgyrngvaqplrlwqathahpfdltkfndgdflr aeqqginaekltkvlypndnhtagkklrlmqqyfqcacsvadilrrhhlagrelhelady eviqlndthptiaipellrvlidehqmswddawaitsktfaytnhtlmpealerwdvklv kgllprhmqiineintrfktlvektwpgdekvwaklavvhdkqvhmanlcvvggfavngv aalhsdlvvkdlfpeyhqlwpnkfhnvtngitprrwikqcnpalaalldkslqkewandl dqlinlvkladdakfrdlyrvikqankvrlaefvkvrtgidinpqaifdiqikrlheykr qhlnllrilalykeirenpqadrvprvflfgakaapgyylakniifainkvadvinndpl vgdklkvvflpdycvsaaeklipaadiseqistagkeasgtgnmklalngaltvgtldga nveiaekvgeenififghtvkqvkailakgydpvkwrkkdkvldavlkelesgkysdgdk hafdqmlhsigkqggdpylvmadfaayveaqkqvdvlyrdqeawtraailntarcgmfss drsirdyqariwqaar