Structure of PDB 3n78 Chain A

Receptor sequence
>3n78A (length=336) Species: 1911 (Streptomyces griseus) [Search protein sequence]
PFTYSIEATRNLATTERCIQDIRNAPVRNRSTQFQLAQQNMLAYTFGEVI
PGFASAGINGMDYRDVIGRPVENAVTEGTHFFRDDFRVDSNAKAKVAGDI
FEIVSSAVMWNCAARWNSLMVGEGWRSQPRYSRPTLSPSPRRQVAVLNLP
RSFDWVSLLVPESQEVIEEFRAGLRKDGLGLPTSTPDLAVVVLPEEFQND
EMWREEIAGLTRPNQILLSGAYQRLQGRVQPGEISLAVAFKRSLRSDRLY
QPLYEANVMQLLLEGKLGAPKVEFEVHTLAPEGTNAFVTYEAASLYGLAR
SAVHRAIRELYVPPTAADLARRFFAFLNERMELVNG
3D structure
PDB3n78 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.
ChainA
Resolution2.95 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 A R31 T33 Q36 L37 A38 Q39 Q40 N92 K96 R152 R246 S247 D248 N286 R30 T32 Q35 L36 A37 Q38 Q39 N91 K95 R151 R245 S246 D247 N285
BS02 dna A S91 A95 K96 G99 R152 S153 D188 R243 S244 R246 R249 S90 A94 K95 G98 R151 S152 D187 R242 S243 R245 R248
BS03 MG A D188 F241 D187 F240
Gene Ontology
Molecular Function
GO:0042802 identical protein binding
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:3n78, PDBe:3n78, PDBj:3n78
PDBsum3n78
PubMed21206063
UniProtQ9F6L0

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