2RGR	Isomerase Dna	date	Oct 04, 2007
title	Topoisomerase Iia Bound To G-Segment Dna
authors	K.C.Dong, J.M.Berger
compound		source
Molecule: Dna Chain: C Engineered: Yes		Synthetic: Yes
Molecule: Dna Chain: D Engineered: Yes		Synthetic: Yes
Molecule: Dna Topoisomerase 2 Chain: A Fragment: Dna Binding And Cleavage Domain (Residues 419-117 Synonym: Dna Topoisomerase II Ec: 5.99.1.3 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Top2, Tor3 Expression_system: Saccharomyces Cerevisiae Expression_system_common: Baker'S Yeast Expression_system_taxid: 4932 Expression_system_strain: Bcy123 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgal
symmetry	Space Group: I 2 2 2	R_factor 0.229 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.435 126.801 223.492 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	MG	enzyme	Isomerase E.C.5.99.1.3 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for gate-DNA recognition and bending by type IIA topoisomerases., Dong KC, Berger JM, Nature. 2007 Dec 20;450(7173):1201-5. PMID:18097402

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (276 Kb) [Save to disk] Biological Unit Coordinates (2rgr.pdb1.gz) 539 Kb LPC: Ligand-Protein Contacts for 2RGR CSU: Contacts of Structural Units for 2RGR Likely Quarternary Molecular Structure file(s) for 2RGR Structure Factors (200 Kb) Retrieve 2RGR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2RGR from S2C, [Save to disk] Re-refined 2rgr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2RGR in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 2RGR

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 2RGR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2rgr_C] [2rgr] [2rgr_D] [2rgr_A] SWISS-PROT database: [P06786] Domain organization of [TOP2_YEAST] by SWISSPFAM Domains found in 2RGR: [TOP2c] [TOP4c ] by SMART

Other resources with information on 2RGR

Community annotation for 2RGR at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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