Structure of PDB 2wtg Chain A Binding Site BS01

Receptor Information
>2wtg Chain A (length=158) Species: 6239 (Caenorhabditis elegans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SMNRQEISDLCVKSLEGRMVGTEAQNIENGNAFYRYFFTNFPDLRVYFKG
AEKYTADDVKKSERFDKQGQRILLACHLLANVYTNEEVFKGYVRETINRH
RIYKMDPALWMAFFTVFTGYLESVGSLNDQQKAAWMALGKEFNAESQTHL
KNSNLPHV
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 chain2wtg Chain A Residue 180 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2wtg Globin-Like Proteins in Caenorhabditis Elegans: In Vivo Localization, Ligand Binding and Structural Properties.
Resolution1.5 Å
Binding residue
(original residue number in PDB)		Y48 F49 R65 Q69 R72 I73 A76 T97 R100 H101 Y104 M106 W111 F114
Binding residue
(residue number reindexed from 1)		Y47 F48 R64 Q68 R71 I72 A75 T96 R99 H100 Y103 M105 W110 F113
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005344 oxygen carrier activity
GO:0005506 iron ion binding
GO:0019825 oxygen binding
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0015671 oxygen transport
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2wtg, PDBe:2wtg, PDBj:2wtg
PDBsum2wtg
PubMed20361867
UniProtP30627|GLBH_CAEEL Globin-like protein (Gene Name=glb-1)

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