Structure of PDB 1tx3 Chain A Binding Site BS02

Receptor Information
>1tx3 Chain A (length=249) Species: 727 (Haemophilus influenzae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SFIKPIYQDINSILIGQKVKRPAAGEPFEKLVYKFLKENLSDLTFKQYEY
LNDLFMKNPAIIGHEARYKLFNSPTLLFLLSRGKAATENWSIENLFEEKQ
NDTADILLVKDQFYELLDVKTRNISKSAQAPNIISAYKLAQTCAKMIDNK
EFDLFDINYLEVDWELNGEDLVCVSTSFAELFKSEPSELYINWAAAMQIQ
FHVRDLDQGFNGTREEWAKSYLKHFVTQAEQRAISMIDKFVKPFKKYIL
Ligand information
Receptor-Ligand Complex Structure
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PDB1tx3 Ca2+ binding in the active site of HincII: implications for the catalytic mechanism
Resolution2.5 Å
Binding residue
(original residue number in PDB)		Q109 N110 D114 D127 K129 T130 N132 K135 S136 A137 Q138 P140 N141 S144 K147 A205 M206 Q207
Binding residue
(residue number reindexed from 1)		Q100 N101 D105 D118 K120 T121 N123 K126 S127 A128 Q129 P131 N132 S135 K138 A196 M197 Q198
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:1tx3, PDBe:1tx3, PDBj:1tx3
PDBsum1tx3
PubMed15491133
UniProtP17743|T2C2_HAEIF Type II restriction enzyme HincII (Gene Name=hincIIR)

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