Structure of PDB 2g8k Chain A Binding Site BS04

Receptor Information
>2g8k Chain A (length=136) Species: 86665 (Halalkalibacterium halodurans) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EEIIWESLSVDVGSQGNPGIVEYKGVDTKTGEVLFEREPIPIGTNNMGEF
LAIVHGLRYLKERNSRKPIYSDSQTAIKWVKDKKAKSTLVRNEETALIWK
LVDEAEEWLNTHTYETPILKWQTDKWGEIKANYGRK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain2g8k Chain A Residue 402 [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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PDB2g8k Stepwise analyses of metal ions in RNase H catalysis from substrate destabilization to product release.
Resolution1.65 Å
Binding residue
(original residue number in PDB)		N192 Y193
Binding residue
(residue number reindexed from 1)		N132 Y133
Annotation score4
Enzymatic activity
Enzyme Commision number 3.1.26.4: ribonuclease H.
Gene Ontology
Molecular Function
GO:0003676 nucleic acid binding
GO:0004523 RNA-DNA hybrid ribonuclease activity

View graph for
Molecular Function
External links
PDB RCSB:2g8k, PDBe:2g8k, PDBj:2g8k
PDBsum2g8k
PubMed16601679
UniProtQ9KEI9|RNH1_HALH5 Ribonuclease H (Gene Name=rnhA)

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