Structure of PDB 1sa3 Chain B Binding Site BS02

Receptor Information
>1sa3 Chain B (length=262) Species: 479 (Moraxella sp.) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRTELLSKLYDDFGIDQLPHTQHGVTSDRLGKLYEKYILDIFKDIESLKK
YNTNAFPQEKDISSKLLKALNLDLDNIIDVSSSDTDLGRTIAGGSPKTDA
TIRFTFHNQSSRLVPLNIKHSSKKKVSIAEYDVETICTGVGISDGELKEL
IRKHQNDQSAKLFTPVQKQRLTELLEPYRERFIRWCVTLRAEKSEGNILH
PDLLIRFQVIDREYVDVTIKNIDDYVSDRIAEGSKARKPGFGTGLNWTYA
SGSKAKKMQFKG
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1sa3 An Asymmetric Complex of Restriction Endonuclease MspI on Its Palindromic DNA Recognition Site.
Resolution1.95 Å
Binding residue
(original residue number in PDB)		G24 V25 D28 S159 A160 K161 T248 Y249
Binding residue
(residue number reindexed from 1)		G24 V25 D28 S159 A160 K161 T248 Y249
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:1sa3, PDBe:1sa3, PDBj:1sa3
PDBsum1sa3
PubMed15341737
UniProtP11405|T2M1_MORSP Type II restriction enzyme MspI (Gene Name=mspIR)

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