Structure of PDB 1h56 Chain B

Receptor sequence
>1h56B (length=156) Species: 585 (Proteus vulgaris) [Search protein sequence]
SHPDLNKLLELWPHIQEYQDLALKHGINDIFQDNGGKLLQVLLITGLTVL
PGREGNDAVDNAGQEYELKSINIDLTKGFSTHHHMNPVIIAKYRQVPWIF
AIYRGIAIEAIYRLEPKDLEFYYDKWERKWYSDGHKDINNPKIPVKYVME
HGTKIY
3D structure
PDB1h56 Structural and Biochemical Characterization of a New Mg(2+) Binding Site Near Tyr94 in the Restriction Endonuclease PvuII.
ChainB
Resolution3.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D58 E68 K70
Catalytic site (residue number reindexed from 1) D57 E67 K69
Enzyme Commision number 3.1.21.4: type II site-specific deoxyribonuclease.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MG B T82 H83 Y94 T81 H82 Y93
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:1h56, PDBe:1h56, PDBj:1h56
PDBsum1h56
PubMed12888347
UniProtP23657|T2P2_PROHU Type II restriction enzyme PvuII (Gene Name=pvuIIR)

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