Structure of PDB 1lqx Chain A Binding Site BS01

Receptor Information
>1lqx Chain A (length=82) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AVKYYTLEEIQKHNNSKSTWLILHYKVYDLTKFLEEHPGGEEELREQAGG
DATENFEDVGHSTDARELSKTFIIGELHPDDR
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 chain1lqx Chain A Residue 201 [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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PDB1lqx Structures of V45E and V45Y mutants and structure comparison of a variety of cytochrome b5 mutants.
Resolution1.8 Å
Binding residue
(original residue number in PDB)
F35 H39 P40 G41 L46 F58 H63 S64 A67 S71
Binding residue
(residue number reindexed from 1)
F33 H37 P38 G39 L44 F56 H61 S62 A65 S69
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology

View graph for
Molecular Function
External links
PDB RCSB:1lqx, PDBe:1lqx, PDBj:1lqx
PDBsum1lqx
PubMed12136141
UniProtP00171|CYB5_BOVIN Cytochrome b5 (Gene Name=CYB5A)

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