Chains and heterogens:
PDB Chain Sequences:
>3r9pA (A:) gpgsmdgsdgarrvlvinsgssslkfqlvdpefgvaastgiverigeesspvpdhdaalr rafdmlagdgvdlntaglvavghrvvhggntfyrptvlddaviarlhelselaplhnppa lqgievarrllpdiahvavfdtgffhdlppaaatyaidreladrwqirrygfhgtshryv seqaaafldrplrglkqivlhlgngcsasaiagtrpldtsmgltpleglvmgtrsgdidp sivsylchtagmgvddvesmlnhrsgvvglsgvrdfrrlreliesgdgaaqlaysvfthr lrkyigaylavlghtdvisftagigendaavrrdavsgmeelgivlderrnlaggkgarq isaddspitvlvvptneelaiardcvrvlgg
>3r9pA (A:) rrvlvinsgssslkfqlvdpefgvaastgiverigeesspvpdhdaalrrafdmlagdgv dlntaglvavghrvvhggntfyrptvlddaviarlhelselaplhnppalqgievarrll pdiahvavfdtgffhdlppaaatyaidreladrwqirrygfhgtshryvseqaaafldrp lrglkqivlhlgngcsasaiagtrpldtsmgltpleglvmgtrsgdidpsivsylchtag mgvddvesmlnhrsgvvglsgvrdfrrlreliesgdgaaqlaysvfthrlrkyigaylav lghtdvisftagigendaavrrdavsgmeelgivlderrnlaggkgarqisaddspitvl vvptneelaiardcvrvlgg
>3r9pB (B:) gpgsmdgsdgarrvlvinsgssslkfqlvdpefgvaastgiverigeesspvpdhdaalr rafdmlagdgvdlntaglvavghrvvhggntfyrptvlddaviarlhelselaplhnppa lqgievarrllpdiahvavfdtgffhdlppaaatyaidreladrwqirrygfhgtshryv seqaaafldrplrglkqivlhlgngcsasaiagtrpldtsmgltpleglvmgtrsgdidp sivsylchtagmgvddvesmlnhrsgvvglsgvrdfrrlreliesgdgaaqlaysvfthr lrkyigaylavlghtdvisftagigendaavrrdavsgmeelgivlderrnlaggkgarq isaddspitvlvvptneelaiardcvrvlgg
>3r9pB (B:) arrvlvinsgssslkfqlvdpefgvaastgiverigespvpdhdaalrrafdmlagdgvd lntaglvavghrvvhggntfyrptvlddaviarlhelselaplhnppalqgievarrllp diahvavfdtgffhdlppaaatyaidreladrwqirrygfhgtshryvseqaaafldrpl rglkqivlhlgngcsasaiagtrpldtsmgltpleglvmgtrsgdidpsivsylchtagm gvddvesmlnhrsgvvglsgvrdfrrlreliesgdgaaqlaysvfthrlrkyigaylavl ghtdvisftagigendaavrrdavsgmeelgivlderrnlaggkgarqisaddspitvlv vptneelaiardcvrvlgg