2H7F	Isomerase Dna	date	Jun 02, 2006
title	Structure Of Variola Topoisomerase Covalently Bound To Dna
authors	K.Perry, Y.Hwang, F.D.Bushman, G.D.Van Duyne
compound		source
Molecule: 5'-D(Tptpgptpcpgpcpcpcptpt)-3' Chain: Y Engineered: Yes		Synthetic: Yes
Molecule: 5'-D(Tpapaptpapapgpgpgpcpgpapcpa)-3 Chain: Z Engineered: Yes		Synthetic: Yes
Molecule: Dna Topoisomerase 1 Chain: X Synonym: Dna Topoisomerase I Ec: 5.99.1.2 Engineered: Yes Mutation: Yes		Organism_scientific: Variola Virus Organism_taxid: 10255 Gene: Top1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28
symmetry	Space Group: C 2 2 21	R_factor 0.191 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.523 138.232 113.079 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	PTR	enzyme	Isomerase E.C.5.99.1.2 BRENDA
Gene Ontology	Chain Function Process Component X
Primary reference	Structural basis for specificity in the poxvirus topoisomerase., Perry K, Hwang Y, Bushman FD, Van Duyne GD, Mol Cell. 2006 Aug 4;23(3):343-54. PMID:16885024

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (2h7f.pdb1.gz) 62 Kb LPC: Ligand-Protein Contacts for 2H7F CSU: Contacts of Structural Units for 2H7F Likely Quarternary Molecular Structure file(s) for 2H7F Structure Factors (1861 Kb) Retrieve 2H7F in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H7F from S2C, [Save to disk] Re-refined 2h7f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H7F 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 2H7F

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 2H7F, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h7f] [2h7f_Z] [2h7f_Y] [2h7f_X] SWISS-PROT database: [P32989] Domain organization of [TOP1_VARV] by SWISSPFAM

Other resources with information on 2H7F

Community annotation for 2H7F at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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