3DKX	Replication	date	Jun 26, 2008
title	Crystal Structure Of The Replication Initiator Protein Encod Plasmid Pmv158 (Repb), Trigonal Form, To 2.7 Ang Resolution
authors	D.R.Boer, J.A.Ruiz-Maso, A.G.Blanco, M.Vives-Llacer, I.Uson, F.X. Ruth, M.Espinosa, G.Del Solar, M.Coll
compound		source
Molecule: Replication Protein Repb Chain: A, B, C Engineered: Yes		Organism_scientific: Streptococcus Agalactiae Organism_taxid: 1311 Gene: Repb Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: B834(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgem-T
symmetry	Space Group: P 32 2 1	R_factor 0.228 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 85.611 85.611 245.530 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	CL, MG, MN	enzyme
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Plasmid replication initiator RepB forms a hexamer reminiscent of ring helicases and has mobile nuclease domains., Boer DR, Ruiz-Maso JA, Lopez-Blanco JR, Blanco AG, Vives-Llacer M, Chacon P, Uson I, Gomis-Ruth FX, Espinosa M, Llorca O, del Solar G, Coll M, EMBO J. 2009 Jun 3;28(11):1666-78. PMID:19440202

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (215 Kb) [Save to disk] Biological Unit Coordinates (3dkx.pdb1.gz) 411 Kb LPC: Ligand-Protein Contacts for 3DKX CSU: Contacts of Structural Units for 3DKX Likely Quarternary Molecular Structure file(s) for 3DKX Structure Factors (1573 Kb) Retrieve 3DKX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3DKX from S2C, [Save to disk] Re-refined 3dkx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3DKX 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 3DKX

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 3DKX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3dkx] [3dkx_A] [3dkx_B] [3dkx_C] SWISS-PROT database: [P13921] Domain organization of [REPB_STRAG] by SWISSPFAM

Other resources with information on 3DKX

Community annotation for 3DKX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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