Chains and heterogens:
PDB Chain Sequences:
>1xx9A (A:) ivggtasvrgewpwqvtlhttsptqrhlcggsiignqwiltaahcfygvespkilrvysg ilnqseikedtsffgvqeiiihdqykmaesgydiallklettvnytdsqrpiclpskgdr nviytdcwvtgwgyrklrdkiqntlqkakiplvtneecqkryrghkithkmicagyregg kdackgdsggplsckhnevwhlvgitswgegcaqrerpgvytnvveyvdwilektqav
>1xx9A (A:) ivggtasvrgewpwqvtlhttsptqrhlcggsiignqwiltaahcfygvespkilrvysg ilnqseikedtsffgvqeiiihdqykmaesgydiallklettvnytdsqrpiclpskgdr nviytdcwvtgwgyrklrdkiqntlqkakiplvtneecqkryrghkithkmicagyregg kdackgdsggplsckhnevwhlvgitswgegcaqrerpgvytnvveyvdwilektqa
>1xx9B (B:) ivggtasvrgewpwqvtlhttsptqrhlcggsiignqwiltaahcfygvespkilrvysg ilnqseikedtsffgvqeiiihdqykmaesgydiallklettvnytdsqrpiclpskgdr nviytdcwvtgwgyrklrdkiqntlqkakiplvtneecqkryrghkithkmicagyregg kdackgdsggplsckhnevwhlvgitswgegcaqrerpgvytnvveyvdwilektqav
>1xx9B (B:) ivggtasvrgewpwqvtlhttsptqrhlcggsiignqwiltaahcfygvespkilrvysg ilnqseikedtsffgvqeiiihdqykmaesgydiallklettvnytdsqrpiclpskgyt dcwvtgwgyrklrdkiqntlqkakiplvtneecqkryrghkithkmicagyreggkdack gdsggplsckhnevwhlvgitswgegcaqrerpgvytnvveyvdwilektqav
>1xx9C (C:) aesvqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggkle nktlegwgydyyvfdkvsspvstrmacpdgkkekkfvtaylgdagmlrynsklpivvytp dnvdvkyrvwkaeekidnavvr
>1xx9C (C:) svqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggklenk tlegwgydyyvfdkvsspvstrmacpdgkkekkfvtaylgdagmlrynsklpivvytpdn vdvkyrvwkaeekidnavvr
>1xx9D (D:) aesvqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggkle nktlegwgydyyvfdkvsspvstrmacpdgkkekkfvtaylgdagmlrynsklpivvytp dnvdvkyrvwkaeekidnavvr
>1xx9D (D:) vqplekiapypqaekgmkrqviqltpqedestlkvelligqtlevdcnlhrlggklenkt legwgydyyvfdkvsspvstrmacpdgkkekkfvtaylgdagmlrynsklpivvytpdnv dvkyrvwkaeekidnavvr