Structure of PDB 3e45 Chain B Binding Site BS03

Receptor Information
>3e45 Chain B (length=249) Species: 727 (Haemophilus influenzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SFIKPIYQDINSILIGQKVKRGHAAGEPFEKLVYKFLKENLSDLTFKQYE
YLNDLFMKNPAIIGHEARYKLFNSPTLLFLLSRGKAATENWSIENLFEEK
QNDTADILLVKDQFYELLDVKTRNISKSAFAPNIISAYKLAQTCAKMIDN
KEFDLFDINYLEVDWELNGEDLVCVSTSFAELFKSEPSELYINWAAAMQI
QFHVRDLDQGFNGTREEWAKSYLKHFVTQAEQRAISMIDKFVKPFKKYI
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 chain3e45 Chain E Residue 15 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3e45 DNA distortion and specificity in a sequence-specific endonuclease.
Resolution2.78 Å
Binding residue
(original residue number in PDB)		D114 D127 V128
Binding residue
(residue number reindexed from 1)		D106 D119 V120
Annotation score4
Enzymatic activity
Enzyme Commision number 3.1.21.4: type II site-specific deoxyribonuclease.
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0004519 endonuclease activity
GO:0009036 type II site-specific deoxyribonuclease activity
Biological Process
GO:0009307 DNA restriction-modification system

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Molecular Function
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Biological Process
External links
PDB RCSB:3e45, PDBe:3e45, PDBj:3e45
PDBsum3e45
PubMed18762194
UniProtP17743|T2C2_HAEIF Type II restriction enzyme HincII (Gene Name=hincIIR)

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