Structure of PDB 1v4w Chain A Binding Site BS01

Receptor Information
>1v4w Chain A (length=143) Species: 8237 (Thunnus thynnus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTLSDKDKSTVKALWGKISKSADAIGADALGRMLAVYPQTKTYFSHWPDM
SPGSGPVKAHGKKVMGGVALAVSKIDDLTTGLGDLSELHAFKMRVDPSNF
KILSHCILVVVAKMFPKEFTPDAHVSLDKFLASVALALAERYR
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 chain1v4w Chain A Residue 144 [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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PDB1v4w Novel Mechanisms of pH Sensitivity in Tuna Hemoglobin: A STRUCTURAL EXPLANATION OF THE ROOT EFFECT
Resolution1.7 Å
Binding residue
(original residue number in PDB)		Y43 F44 H46 H60 K63 L85 H89 M93 V95 N99 F100 L103 L138
Binding residue
(residue number reindexed from 1)		Y43 F44 H46 H60 K63 L85 H89 M93 V95 N99 F100 L103 L138
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0005344 oxygen carrier activity
GO:0005506 iron ion binding
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0031720 haptoglobin binding
GO:0043177 organic acid binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
GO:0042744 hydrogen peroxide catabolic process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0005833 hemoglobin complex
GO:0031838 haptoglobin-hemoglobin complex
GO:0072562 blood microparticle

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1v4w, PDBe:1v4w, PDBj:1v4w
PDBsum1v4w
PubMed15117955
UniProtQ8AYM0

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