Structure of PDB 4aal Chain B Binding Site BS02

Receptor Information
>4aal Chain B (length=319) Species: 243231 (Geobacter sulfurreducens PCA) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EDVMKRAQGLFKPIPAKPPVMKDNPASPSRVELGRMLFFDPRLSASHLIS
CNTCHNVGLGGTDILETSIGHGWQKGPRNSPTVLNAVYNIAQFWDGRAED
LAAQAKGPVQASVEMNNKPENLVATLKSIPGYPPLFRKAFPGQGDPVTFD
NVAKAIEVFEATLVTPDAPFDKYLKGNRKAISSTAEQGLALFLDKGCAAC
HSGVNMGGTGYFPFGVREDPGVDDTGRYKVTSTAADKYVFRSPSLRNVAI
TMPYFHSGKVWKLKDAVKIMGSAQLGISITDADADKIVTFLNTLTGAQPK
VMHPVLPPNSDDTPRPVSN
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 chain4aal Chain B Residue 424 [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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PDB4aal Maca is a Second Cytochrome C Peroxidase of Geobacter Sulfurreducens.
Resolution1.84 Å
Binding residue
(original residue number in PDB)		W116 F214 C219 C222 H223 F234 G237 R268 S269 P270 L272 Y281 F282 H283 M297 L302
Binding residue
(residue number reindexed from 1)		W94 F192 C197 C200 H201 F212 G215 R241 S242 P243 L245 Y254 F255 H256 M270 L275
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) E136
Catalytic site (residue number reindexed from 1) E114
Enzyme Commision number 1.11.1.5: cytochrome-c peroxidase.
Gene Ontology
Molecular Function
GO:0004130 cytochrome-c peroxidase activity
GO:0004601 peroxidase activity
GO:0009055 electron transfer activity
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0098869 cellular oxidant detoxification
Cellular Component
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:4aal, PDBe:4aal, PDBj:4aal
PDBsum4aal
PubMed22417533
UniProtQ74FY6

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