Structure of PDB 3pi4 Chain A Binding Site BS02

Receptor Information
>3pi4 Chain A (length=151) Species: 244486 (Phacoides pectinatus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTLTNPQKAAIRSSWSKFMDNGVSNGQGFYMDLFKAHPETLTPFKSLFGG
LTLAQLQDNPKMKAQSLVFCNGMSSFVDHLDDNDMLVVLIQKMAKLHNNR
GIRASDLRTAYDILIHYMEDHNHMVGGAKDAWEVFVGFICKTLGDYMKEL
S
Ligand information
Ligand IDHEM
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
ACDLabs 12.01C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain3pi4 Chain B Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3pi4 Two-step counterdiffusion protocol for the crystallization of heamoglobin II from Lucina pectinata in the pH range 4-9
Resolution3.17 Å
Binding residue
(original residue number in PDB)		K92 K95 L96
Binding residue
(residue number reindexed from 1)		K92 K95 L96
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0019825 oxygen binding
GO:0020037 heme binding

View graph for
Molecular Function
External links
PDB RCSB:3pi4, PDBe:3pi4, PDBj:3pi4
PDBsum3pi4
PubMed
UniProtP41261|GLB2_PHAPT Hemoglobin-2

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