Chains and heterogens:
PDB Chain Sequences:
>1l6iA (A:) sqpifndkqfqealsrqwqryglnsaaemtprqwwlavsealaemlraqpfakpvanqrh vnyismefligrltgnnllnlgwyqdvqdslkaydinltdlleeeidpalgngglgrlaa cfldsmatvgqsatgyglnyqyglfrqsfvdgkqveapddwhrsnypwfrhnealdvqvg iggkvtkdgrwepeftitgqawdlpvvgyrngvaqplrlwqathahpfdltkfndgdflr aeqqginaekltkvlypndnafegkklrlmqqyfqcacsvadilrrhhlagrklhelady eviqlndthptiaipellrvlidehqmswddawaitsktfaytnhtlmpealerwdvklv kgllprhmqiineintrfktlvektwpgdekvwaklavvhdkqvhmanlcvvggfavngv aalhsdlvvkdlfpeyhqlwpnkfhnvtngitprrwikqcnpalaalldkslqkewandl dqlinlekfaddakfrqqyreikqankvrlaefvkvrtgieinpqaifdiqikrlheykr qhlnllhilalykeirenpqadrvprvflfgakaapgyylakniifainkvadvinndpl vgdklkvvflpdycvsaaeklipaadiseqistagkeasgtgnmklalngaltvgtldga nveiaekvgeenififghtveqvkailakgydpvkwrkkdkvldavlkelesgkysdgdk hafdqmlhsigkqggdpylvmadfaayveaqkqvdvlyrdqeawtraailntarcgmfss drsirdyqariwqakr
>1l6iB (B:) sqpifndkqfqealsrqwqryglnsaaemtprqwwlavsealaemlraqpfakpvanqrh vnyismefligrltgnnllnlgwyqdvqdslkaydinltdlleeeidpalgngglgrlaa cfldsmatvgqsatgyglnyqyglfrqsfvdgkqveapddwhrsnypwfrhnealdvqvg iggkvtkdgrwepeftitgqawdlpvvgyrngvaqplrlwqathahpfdltkfndgdflr aeqqginaekltkvlypndnafegkklrlmqqyfqcacsvadilrrhhlagrklhelady eviqlndthptiaipellrvlidehqmswddawaitsktfaytnhtlmpealerwdvklv kgllprhmqiineintrfktlvektwpgdekvwaklavvhdkqvhmanlcvvggfavngv aalhsdlvvkdlfpeyhqlwpnkfhnvtngitprrwikqcnpalaalldkslqkewandl dqlinlekfaddakfrqqyreikqankvrlaefvkvrtgieinpqaifdiqikrlheykr qhlnllhilalykeirenpqadrvprvflfgakaapgyylakniifainkvadvinndpl vgdklkvvflpdycvsaaeklipaadiseqistagkeasgtgnmklalngaltvgtldga nveiaekvgeenififghtveqvkailakgydpvkwrkkdkvldavlkelesgkysdgdk hafdqmlhsigkqggdpylvmadfaayveaqkqvdvlyrdqeawtraailntarcgmfss drsirdyqariwqakr