Structure of PDB 2b12 Chain B Binding Site BS01

Receptor Information
>2b12 Chain B (length=108) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TEFKAGSAKKGATLFKTRCLQCHTVEKGGPHKVGPNLHGIFGRHSGQAEG
YSYTDANIKKNVLWDENNMSEYLTNPKKYIPGTKMAYGGLKKEKDRNDLI
TYLKKACE
Ligand information
Ligand IDHEC
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,9-12H2,1-6H3,(H,39,40)(H,41,42);/q-4;+4/b21-7?,22-8?,26-13-,29-14-,30-15-,31-16-;
InChIKeyHXQIYSLZKNYNMH-LJNAALQVSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)CCC1=C(C2=CC6=C(C(=C/C)\C5=CC4=C(C(\C3=Cc7c(c(c8C=C1N2[Fe](N34)(N56)n78)CCC(=O)O)C)=C/C)C)C)C
OpenEye OEToolkits 1.5.0CC=C1C(=C2C=C3C(=CC)C(=C4N3[Fe]56N2C1=Cc7n5c(c(c7C)CCC(=O)O)C=C8N6C(=C4)C(=C8CCC(=O)O)C)C)C
CACTVS 3.341C\C=C1/C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)\C7=C/C)C=C1N2[Fe@@]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
CACTVS 3.341CC=C1C(=C2C=C3N4C(=Cc5n6c(C=C7N8C(=C(C)C7=CC)C=C1N2[Fe]468)c(C)c5CCC(O)=O)C(=C3C)CCC(O)=O)C
FormulaC34 H34 Fe N4 O4
NameHEME C
ChEMBL
DrugBank
ZINC
PDB chain2b12 Chain B Residue 109 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2b12 Effects of interface mutations on association modes and electron-transfer rates between proteins
Resolution3.02 Å
Binding residue
(original residue number in PDB)		C14 C17 H18 V28 G29 P30 I35 G41 Y48 T49 N52 W59 M64 L68 T78 K79 M80
Binding residue
(residue number reindexed from 1)		C19 C22 H23 V33 G34 P35 I40 G46 Y53 T54 N57 W64 M69 L73 T83 K84 M85
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:1901612 cardiolipin binding
Biological Process
GO:0006122 mitochondrial electron transport, ubiquinol to cytochrome c
GO:0006123 mitochondrial electron transport, cytochrome c to oxygen
Cellular Component
GO:0005739 mitochondrion
GO:0005758 mitochondrial intermembrane space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2b12, PDBe:2b12, PDBj:2b12
PDBsum2b12
PubMed16227441
UniProtP00044|CYC1_YEAST Cytochrome c isoform 1 (Gene Name=CYC1)

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