Structure of PDB 3nbt Chain C Binding Site BS01

Receptor Information
>3nbt Chain C (length=104) Species: 9796 (Equus caballus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GDVEKGKKIFVQKCAQCHTVEKGGKHKTGPNLHGLFGRKTGQAPGFTYTD
ANKNKGITWKEETLMEYLENPKKYIPGTKMIFAGIKKKTEREDLIAYLKK
ATNE
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 chain3nbt Chain C Residue 105 [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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PDB3nbt Cytochrome c polymerization by successive domain swapping at the C-terminal helix
Resolution2.1 Å
Binding residue
(original residue number in PDB)		K13 C14 C17 H18 G29 P30 T40 G41 Y48 T49 N52 W59 Y67 T78 K79 M80
Binding residue
(residue number reindexed from 1)		K13 C14 C17 H18 G29 P30 T40 G41 Y48 T49 N52 W59 Y67 T78 K79 M80
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0005515 protein binding
GO:0008289 lipid binding
GO:0009055 electron transfer activity
GO:0020037 heme binding
GO:0042802 identical protein binding
GO:0046872 metal ion binding
Biological Process
GO:0006122 mitochondrial electron transport, ubiquinol to cytochrome c
GO:0006123 mitochondrial electron transport, cytochrome c to oxygen
GO:0006915 apoptotic process
GO:0018063 cytochrome c-heme linkage
GO:0043065 positive regulation of apoptotic process
GO:0043280 positive regulation of cysteine-type endopeptidase activity involved in apoptotic process
GO:2001056 positive regulation of cysteine-type endopeptidase activity
Cellular Component
GO:0005739 mitochondrion
GO:0005758 mitochondrial intermembrane space
GO:0005829 cytosol
GO:0070069 cytochrome complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3nbt, PDBe:3nbt, PDBj:3nbt
PDBsum3nbt
PubMed20615990
UniProtP00004|CYC_HORSE Cytochrome c (Gene Name=CYCS)

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