Structure of PDB 3dpg Chain A Binding Site BS03

Receptor Information

>3dpg Chain A (length=338) Species: 1911 (Streptomyces griseus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

PFTYSIEATRNLATTERCIQDIRNAPVRNRSTQFQLAQQNMLAYTFGEVI
PGFASAGINGMDYRDVIGRPVENAVTEGTHFFRDDFRVDSNAKAKVAGDI
FEIVSSAVMWNCAARWNSLMVGEGWRSQPRYSRPTLSPSPRRQVAVLNLP
RSFDWVSLLVPESQEVIEEFRAGLRKDGLGLPTSTPDLAVVVLPEEFQND
EMWREEIAGLTRPNQILLSGAYQRLQGRVQPGEISLAVAFKRSLRSDRLY
QPLYEANVMQLLLEGKLGAPKVEFEVHTLAPEGTNAFVTYEAASLYGLAE
GRSAVHRAIRELYVPPTAADLARRFFAFLNERMELVNG

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

3dpg Chain A Residue 500 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	3dpg The structure of SgrAI bound to DNA; recognition of an 8 base pair target.
Resolution	1.91 Å
Binding residue (original residue number in PDB)	D188 F241
Binding residue (residue number reindexed from 1)	D187 F240
Annotation score	4

Enzymatic activity

Enzyme Commision number

3.1.21.4: type II site-specific deoxyribonuclease.

Gene Ontology

	Molecular Function
GO:0042802	identical protein binding
GO:0046872	metal ion binding

View graph for
Molecular Function

External links

PDB	RCSB:3dpg, PDBe:3dpg, PDBj:3dpg
PDBsum	3dpg
PubMed	18701646
UniProt	Q9F6L0

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