Structure of PDB 3n7b Chain B

Receptor sequence
>3n7bB (length=333) Species: 1911 (Streptomyces griseus) [Search protein sequence]
PFTYSIEATRNLATTERCIQDIRNAPVRNRSTQFQLAQQNMLAYTFGEVI
PGFASAGINGMDYRDVIGRPVENAVTEGTHFFRDDFRVDSNAKAKVAGDI
FEIVSSAVMWNCAARWNSLMVGEGWRSQPRYSRPTLSPSPRRQVAVLNLP
RSFDWVSLLVPESQEVIEEFRAGLRGLGLPTSTPDLAVVVLPEEFQNDEM
WREEIAGLTRPNQILLSGAYQRLQGRVQPGEISLAVAFKRSLRSDRLYQP
LYEANVMQLLLEGKLGAPKVEFEVHTLAPEGTNAFVTYEAASLYGLAEGV
HRAIRELYVPPTAADLARRFFAFLNERMELVNG
3D structure
PDB3n7b New clues in the allosteric activation of DNA cleavage by SgrAI: structures of SgrAI bound to cleaved primary-site DNA and uncleaved secondary-site DNA.
ChainB
Resolution2.65 Å
3D
structure
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Enzymatic activity
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 dna B A95 K96 G99 R152 S153 K242 R243 S244 R246 R249 A94 K95 G98 R151 S152 K239 R240 S241 R243 R246
BS02 dna B R31 T33 Q36 L37 Q39 Q40 N92 K96 S247 D248 R30 T32 Q35 L36 Q38 Q39 N91 K95 S244 D245
BS03 CA B D188 F241 D185 F238
Gene Ontology
Molecular Function
GO:0042802 identical protein binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3n7b, PDBe:3n7b, PDBj:3n7b
PDBsum3n7b
PubMed21206063
UniProtQ9F6L0

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