Chains and heterogens:
PDB Chain Sequences:
>3h77A (A:) gshmasmtggqqmgrgsenlyfqgnpilaglgfslpkrqvsnhdlvgrintsdefivert gvrtryhvepeqavsalmvpaarqaieaagllpedidlllvntlspdhhdpsqacliqpl lglrhipvldiraqxsgllyglqmargqilaglarhvlvvcgevlskrmdcsdrgrnlsi llgdgagavvvsagesledglldlrlgadgnyfdllmtaapgsasptfldenvlreggge flmrgrpmfehasqtlvriagemlaaheltlddidhvichqpnlrildavqeqlgipqhk favtvdrlgnmasastpvtlamfwpdiqpgqrvlvltygsgatwgaalyrkpeevnrpc
>3h77A (A:) qgnpilaglgfslpkrqvsnhdlvgrintsdefivertgvrtryhvepeqavsalmvpaa rqaieaagllpedidlllvntlspdhhdpsqacliqpllglrhipvldiraqxsgllygl qmargqilaglarhvlvvcgevlskrmdcsdrgrnlsillgdgagavvvsagesledgll dlrlgadgnyfdllmtaapgsasptfldenvlregggeflmrgrpmfehasqtlvriage mlaaheltlddidhvichqpnlrildavqeqlgipqhkfavtvdrlgnmasastpvtlam fwpdiqpgqrvlvltygsgatwgaalyrkpe
>3h77B (B:) gshmasmtggqqmgrgsenlyfqgnpilaglgfslpkrqvsnhdlvgrintsdefivert gvrtryhvepeqavsalmvpaarqaieaagllpedidlllvntlspdhhdpsqacliqpl lglrhipvldiraqxsgllyglqmargqilaglarhvlvvcgevlskrmdcsdrgrnlsi llgdgagavvvsagesledglldlrlgadgnyfdllmtaapgsasptfldenvlreggge flmrgrpmfehasqtlvriagemlaaheltlddidhvichqpnlrildavqeqlgipqhk favtvdrlgnmasastpvtlamfwpdiqpgqrvlvltygsgatwgaalyrkpeevnrpc
>3h77B (B:) rgsenlyfqgnpilaglgfslpkrqvsnhdlvgrintsdefivertgvrtryhvepeqav salmvpaarqaieaagllpedidlllvntlspdhhdpsqacliqpllglrhipvldiraq xsgllyglqmargqilaglarhvlvvcgevlskrmdcsdrgrnlsillgdgagavvvsag esledglldlrlgadgnyfdllmtaapgsasptfldenvlregggeflmrgrpmfehasq tlvriagemlaaheltlddidhvichqpnlrildavqeqlgipqhkfavtvdrlgnmasa stpvtlamfwpdiqpgqrvlvltygsgatwgaalyrkp