Structure of PDB 1stx Chain B Binding Site BS03

Receptor Information
>1stx Chain B (length=244) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SLRSDLINALYDENQKYDVCGIISAEGKIYPLGSDTAVLSTIFELFSRPI
INKIAEKHGYIVEEPKQQNHYPDFTLYKPSEPNKKIAIDIKTTYTNKENE
KIKFTLGGYTSFIRNNTKNIVYPFDQYIAHWIIGYVYTRVATRKSSLKTY
NINELNEIPKPYKGVKVFLQDKWVIAGDLAGSGNTTNIGSIHAHYKDFVE
GKGIFDSEDEFLDYWRNYERTSQLRNDKYNNISEYRNWIYRGRK
Ligand information
Receptor-Ligand Complex Structure
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PDB1stx DNA cleavage by EcoRV endonuclease: two metal ions in three metal ion binding sites
Resolution2.1 Å
Binding residue
(original residue number in PDB)
N70 G109 T111 S112 K119 N120
Binding residue
(residue number reindexed from 1)
N69 G108 T110 S111 K118 N119
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:1stx, PDBe:1stx, PDBj:1stx
PDBsum1stx
PubMed15170321
UniProtP04390|T2E5_ECOLX Type II restriction enzyme EcoRV (Gene Name=ecoRVR)

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