Chains and heterogens:
PDB Chain Sequences:
>4p56A (A:) mhhhhhhssgvdlgtenlyfqsmqkpveltlsswlppthavvadflmpwgeeirkatdgr vtlrllpkavtnpaghfdavrdglvdvtfvshayypgrfqltkfavlpfsgdtatsrsia awdtyekyllkadehkgvrllgiyahgpgiafttskpvkqigdfqglkirvgggmaadva kavgaspiakpapesyellstgvadgvffpaeslvsfkldsiirhatefpgglysdthav iinrdafarlskqdqdtlvrlsgrhlaelagrawdthdaaarkvleggeielvkaddali eavrertkgfeqawldaakakgidgpaalasfraeikqldqqr
>4p56A (A:) veltlsswlppthavvadflmpwgeeirkatdgrvtlrllpkavtnpaghfdavrdglvd vtfvshayypgrfqltkfavlpfsgdtatsrsiaawdtyekyllkadehkgvrllgiyah gpgiafttskpvkqigdfqglkirvgggmaadvakavgaspiakpapesyellstgvadg vffpaeslvsfkldsiirhatefpgglysdthaviinrdafarlskqdqdtlvrlsgrhl aelagrawdthdaaarkvleggeielvkaddalieavrertkgfeqawldaakakgidgp aalasfraeikqldq
>4p56B (B:) mhhhhhhssgvdlgtenlyfqsmqkpveltlsswlppthavvadflmpwgeeirkatdgr vtlrllpkavtnpaghfdavrdglvdvtfvshayypgrfqltkfavlpfsgdtatsrsia awdtyekyllkadehkgvrllgiyahgpgiafttskpvkqigdfqglkirvgggmaadva kavgaspiakpapesyellstgvadgvffpaeslvsfkldsiirhatefpgglysdthav iinrdafarlskqdqdtlvrlsgrhlaelagrawdthdaaarkvleggeielvkaddali eavrertkgfeqawldaakakgidgpaalasfraeikqldqqr
>4p56B (B:) pveltlsswlppthavvadflmpwgeeirkatdgrvtlrllpkavtnpaghfdavrdglv dvtfvshayypgrfqltkfavlpfsgdtatsrsiaawdtyekyllkadehkgvrllgiya hgpgiafttskpvkqigdfqglkirvgggmaadvakavgaspiakpapesyellstgvad gvffpaeslvsfkldsiirhatefpgglysdthaviinrdafarlskqdqdtlvrlsgrh laelagrawdthdaaarkvleggeielvkaddalieavrertkgfeqawldaakakgidg paalasfraeikqldqq
>4p56C (C:) mhhhhhhssgvdlgtenlyfqsmqkpveltlsswlppthavvadflmpwgeeirkatdgr vtlrllpkavtnpaghfdavrdglvdvtfvshayypgrfqltkfavlpfsgdtatsrsia awdtyekyllkadehkgvrllgiyahgpgiafttskpvkqigdfqglkirvgggmaadva kavgaspiakpapesyellstgvadgvffpaeslvsfkldsiirhatefpgglysdthav iinrdafarlskqdqdtlvrlsgrhlaelagrawdthdaaarkvleggeielvkaddali eavrertkgfeqawldaakakgidgpaalasfraeikqldqqr
>4p56C (C:) pveltlsswlppthavvadflmpwgeeirkatdgrvtlrllpkavtnpaghfdavrdglv dvtfvshayypgrfqltkfavlpfsgdtatsrsiaawdtyekyllkadehkgvrllgiya hgpgiafttskpvkqigdfqglkirvgggmaadvakavgaspiakpapesyellstgvad gvffpaeslvsfkldsiirhatefpgglysdthaviinrdafarlskqdqdtlvrlsgrh laelagrawdthdaaarkvleggeielvkaddalieavrertkgfeqawldaakakgidg paalasfraeikqld