3V20	Dna Binding Protein, Hydrolase Dna	date	Dec 11, 2011
title	Crystal Structure Of Type Iif Restriction Endonuclease Bse63 Cognate Dna
authors	E.N.Manakova, S.Grazulis, D.Golovenko, G.Tamulaitiene
compound		source
Molecule: Endonuclease Bse634ir Chain: A, B Ec: 3.1.21.4 Engineered: Yes Mutation: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Strain: 1422 Gene: Bse634ir Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Er2267 Expression_system_vector_type: Plasmid Expression_system_plasmid: Puc18
Molecule: Dna (5'-D(Tpcpgpcpapcpcpgpgptpgpcpg) Chain: C, D Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
symmetry	Space Group: P 21 21 2	R_factor 0.240 R_Free 0.293
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.937 87.387 125.127 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.35 Å
ligand	7PE, CA, CL	enzyme	Hydrolase E.C.3.1.21.4 BRENDA
Gene Ontology	Chain Function Process Component A, B endonuclease activity
Primary reference	Structural mechanisms of the degenerate sequence recognition by Bse634I restriction endonuclease., Manakova E, Grazulis S, Zaremba M, Tamulaitiene G, Golovenko D, Siksnys V, Nucleic Acids Res. 2012 Apr 11. PMID:22495930

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (226 Kb) [Save to disk] Biological Unit Coordinates (3v20.pdb1.gz) 220 Kb Biological Unit Coordinates (3v20.pdb2.gz) 217 Kb LPC: Ligand-Protein Contacts for 3V20 CSU: Contacts of Structural Units for 3V20 Structure Factors (655 Kb) Retrieve 3V20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3V20 from S2C, [Save to disk] Re-refined 3v20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3V20

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3V20, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3v20_C] [3v20_B] [3v20_A] [3v20] [3v20_D] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3V20

Community annotation for 3V20 at PDBWiki (http://pdbwiki.org)

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