Structure of PDB 1tw8 Chain C Binding Site BS04

Receptor Information
>1tw8 Chain C (length=257) Species: 727 (Haemophilus influenzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SFIKPIYQDINSILIGQKVKRPKSGTLSGHAAGEPFEKLVYKFLKENLSD
LTFKQYEYLNDLFMKNPAIIGHEARYKLFNSPTLLFLLSRGKAATENWSI
ENLFEEKQNDTADILLVKDQFYELLDVKTRNISKSAQAPNIISAYKLAQT
CAKMIDNKEFDLFDINYLEVDWELNGEDLVCVSTSFAELFKSEPSELYIN
WAAAMQIQFHVRDLDQGFNGTREEWAKSYLKHFVTQAEQRAISMIDKFVK
PFKKYIL
Ligand information
Ligand IDNA
InChIInChI=1S/Na/q+1
InChIKeyFKNQFGJONOIPTF-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
CACTVS 3.341
OpenEye OEToolkits 1.5.0		[Na+]
FormulaNa
NameSODIUM ION
ChEMBL
DrugBankDB14516
ZINC
PDB chain1tw8 Chain C Residue 903 [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]
PDB1tw8 Ca2+ binding in the active site of HincII: implications for the catalytic mechanism
Resolution2.8 Å
Binding residue
(original residue number in PDB)		D127 N141 I142 I143
Binding residue
(residue number reindexed from 1)		D126 N140 I141 I142
Annotation score3
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

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1tw8, PDBe:1tw8, PDBj:1tw8
PDBsum1tw8
PubMed15491133
UniProtP17743|T2C2_HAEIF Type II restriction enzyme HincII (Gene Name=hincIIR)

[Back to BioLiP]