Structure of PDB 6ecj Chain C Binding Site BS01

Receptor Information
>6ecj Chain C (length=104) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GDVEKGKKIFIMKCSQCHTVEKGGKHKTGPNLHGLFGRKTTQAPGYSYTA
ANKNKGIIWGEDTLMEYLENPKKYIPGTKMIFVGIKKKEERADLIAYLKK
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 chain6ecj Chain C 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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PDB6ecj Altered structure and dynamics of pathogenic cytochrome c variants correlate with increased apoptotic activity.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		K13 C14 C17 H18 G29 P30 L35 Y46 Y48 T49 N52 W59 L68 T78 K79 M80 L94
Binding residue
(residue number reindexed from 1)		K13 C14 C17 H18 G29 P30 L35 Y46 Y48 T49 N52 W59 L68 T78 K79 M80 L94
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
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:0045333 cellular respiration
GO:0097193 intrinsic apoptotic signaling pathway
GO:0097194 execution phase of apoptosis
Cellular Component
GO:0005634 nucleus
GO:0005739 mitochondrion
GO:0005743 mitochondrial inner membrane
GO:0005758 mitochondrial intermembrane space
GO:0005829 cytosol
GO:0043293 apoptosome

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:6ecj, PDBe:6ecj, PDBj:6ecj
PDBsum6ecj
PubMed33480393
UniProtP99999|CYC_HUMAN Cytochrome c (Gene Name=CYCS)

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