Structure of PDB 3v21 Chain D Binding Site BS01

Receptor Information
>3v21 Chain D (length=289) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NLTNSNCVEEYKENGKTKIRIKPFNALIELYHHQTPTGSIKENLDKLENY
VKDVVKAKGLAIPTSGAFSNTRGTWFEVMIAIQSWNYRVKRELNDYLIIK
MPNVKTFDFRKIFDNETREKLHQLEKSLLTHKQQVRLITSNPDLLIIRQK
DLIKSEYNLPINKLTHENIDVALTLFKDIEGKCKWDSLVAGVGLKTSLRP
DRRLQLVHEGNILKSLFAHLKMAYWNPKAEFKYYGASSEPVSKADDDALQ
TAATHTIVNVNSTPERAVDDIFSLTSFEDIDKMLDQIIK
Ligand information
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB3v21 Structural mechanisms of the degenerate sequence recognition by Bse634I restriction endonuclease.
Resolution2.7 Å
Binding residue
(original residue number in PDB)		R23 I24 K25 P26 T67 G69 A70 N73 T109 P203 D204 R206 A247
Binding residue
(residue number reindexed from 1)		R20 I21 K22 P23 T64 G66 A67 N70 T106 P200 D201 R203 A244
Enzymatic activity
Catalytic site (original residue number in PDB) E80 D146 K198 E212
Catalytic site (residue number reindexed from 1) E77 D143 K195 E209
Enzyme Commision number 3.1.21.4: type II site-specific deoxyribonuclease.
Gene Ontology
Molecular Function
GO:0004519 endonuclease activity
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3v21, PDBe:3v21, PDBj:3v21
PDBsum3v21
PubMed22495930
UniProtQ8RT53

[Back to BioLiP]