Structure of PDB 1bua Chain A Binding Site BS01

Receptor Information
>1bua Chain A (length=231) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SLRSDLINALYDENQKYDVCGIISAEGKIYPLGSDTKVLSTIFELFSRPI
INKIAEKHGYIVEEPQQNHYPDFTLYKPSEPNKKIAIDIKTTYTEKIKFT
LGGYTSFIRNNTKNIVYPFDQYIAHWIIGYVYTRVKTYNINELNEIPKPY
KGVKVFLQDKWVIAGDLAGSGNTTNIGSIHAHYKDFVEGKGIFDSEDEFL
DYWRNYERTSQLRNDKYNNISEYRNWIYRGR
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1bua Structural and energetic origins of indirect readout in site-specific DNA cleavage by a restriction endonuclease.
Resolution2.15 Å
Binding residue
(original residue number in PDB)		N70 K92 T93 T94 Y95 T106 T111 S112 K119 N120 S183 T186 N188
Binding residue
(residue number reindexed from 1)		N68 K90 T91 T92 Y93 T100 T105 S106 K113 N114 S170 T173 N175
Binding affinityPDBbind-CN: Kd=550nM
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
GO:0046872 metal ion binding
Biological Process
GO:0009307 DNA restriction-modification system

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Molecular Function
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Biological Process
External links
PDB RCSB:1bua, PDBe:1bua, PDBj:1bua
PDBsum1bua
PubMed10074946
UniProtP04390|T2E5_ECOLX Type II restriction enzyme EcoRV (Gene Name=ecoRVR)

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