Chains and heterogens:
PDB Chain Sequences:
>1a1qA (A:) pitaysqqtrgllgciitsltgrdknqvegevqvvstatqsflatcvngvcwtvyhgags ktlagpkgpitqmytnvdqdlvgwqappgarsltpctcgssdlylvtrhadvipvrrrgd srgsllsprpvsylkgssggpllcpsghavgifraavctrgvakavdfvpvesmettmrs pvf
>1a1qB (B:) pitaysqqtrgllgciitsltgrdknqvegevqvvstatqsflatcvngvcwtvyhgags ktlagpkgpitqmytnvdqdlvgwqappgarsltpctcgssdlylvtrhadvipvrrrgd srgsllsprpvsylkgssggpllcpsghavgifraavctrgvakavdfvpvesmettm
>1a1qB (B:) pitaysqgllgciitsltqvegevqvvstatqsflatcvngvcwtvyhgagsktlagpkg pitqmytnvdqdlvgwqappgarsltpctcgssdlylvtrhadvipvrrrgdsrgsllsp rpvsylkgssggpllcpsghavgifraavctrgvakavdfvpvesmettm
>1a1qC (C:) pitaysqqtrgllgciitsltgrdknqvegevqvvstatqsflatcvngvcwtvyhgags ktlagpkgpitqmytnvdqdlvgwqappgarsltpctcgssdlylvtrhadvipvrrrgd srgsllsprpvsylkgssggpllcpsghavgifraavctrgvakavdfvpvesmettm