Structure of PDB 3kem Chain A Binding Site BS02

Receptor Information
>3kem Chain A (length=309) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQILLANPRGFCAGVDRAISIVENALAIYGAPIYVRHEVVHNRYVVDSLR
ERGAIFIEQISEVPDGAILIFSAHGVSQAVRNEAKSRDLTVFDATCPLVT
KVHMEVARASRRGEESILIGHAGHPEVEGTMGQYSNPEGGMYLVESPDDV
WKLTVKNEEKLSFMTQTTLSVDDTSDVIDALRKRFPKIVGPRKDDICYAT
TNRQEAVRALAEQAEVVLVVGSKNSSNSNRLAELAQRMGKRAFLIDDAKD
IQEEWVKEVKCVGVTAGASAPDILVQNVVARLQQLGGGEAIPLEGREENI
VFEVPKELR
Ligand information
Ligand IDF3S
InChIInChI=1S/3Fe.4S
InChIKeyFCXHZBQOKRZXKS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.385S1[Fe]S[Fe]2S[Fe]1S2
OpenEye OEToolkits 2.0.7S1[Fe]2S[Fe]3[S]2[Fe]1S3
FormulaFe3 S4
NameFE3-S4 CLUSTER
ChEMBL
DrugBank
ZINC
PDB chain3kem Chain A Residue 997 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB3kem Probing the reaction mechanism of IspH protein by x-ray structure analysis.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		C12 G14 C96 L98 T167 C197 A199
Binding residue
(residue number reindexed from 1)		C12 G14 C96 L98 T167 C197 A199
Annotation score1
Enzymatic activity
Enzyme Commision number 1.17.7.4: 4-hydroxy-3-methylbut-2-enyl diphosphate reductase.
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0042380 hydroxymethylbutenyl pyrophosphate reductase activity
GO:0046872 metal ion binding
GO:0051538 3 iron, 4 sulfur cluster binding
GO:0051539 4 iron, 4 sulfur cluster binding
GO:0051745 4-hydroxy-3-methylbut-2-enyl diphosphate reductase activity
Biological Process
GO:0008299 isoprenoid biosynthetic process
GO:0016114 terpenoid biosynthetic process
GO:0019288 isopentenyl diphosphate biosynthetic process, methylerythritol 4-phosphate pathway
GO:0050992 dimethylallyl diphosphate biosynthetic process
Cellular Component
GO:0005829 cytosol

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3kem, PDBe:3kem, PDBj:3kem
PDBsum3kem
PubMed20080550
UniProtP62623|ISPH_ECOLI 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (Gene Name=ispH)

[Back to BioLiP]