2BTQ	Structural Protein	date	Jun 06, 2005
title	Structure Of Btubab Heterodimer From Prosthecobacter Dejonge
authors	D.Schlieper, J.Lowe
compound		source
Molecule: Tubulin Btuba Chain: A Engineered: Yes		Organism_scientific: Prosthecobacter Dejongeii Organism_taxid: 48465 Atcc: 27091 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: C41 Expression_system_plasmid: Phis17 Other_details: German Collection Of Microorganisms (Dsm 122
Molecule: Tubulin Btubb Chain: B Engineered: Yes		Organism_scientific: Prosthecobacter Dejongeii Organism_taxid: 48465 Atcc: 27091 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: C41 Expression_system_plasmid: Phis17 Other_details: German Collection Of Microorganisms (Dsm 122
symmetry	Space Group: P 65 2 2	R_factor 0.215 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 154.398 154.398 256.330 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	GDP, SO4	enzyme
Gene Ontology	Chain Function Process Component A structural constituent of cy... B structural constituent of cy...
Primary reference	Structure of bacterial tubulin BtubA/B: evidence for horizontal gene transfer., Schlieper D, Oliva MA, Andreu JM, Lowe J, Proc Natl Acad Sci U S A. 2005 Jun 28;102(26):9170-5. Epub 2005 Jun 20. PMID:15967998

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (2btq.pdb1.gz) 254 Kb LPC: Ligand-Protein Contacts for 2BTQ CSU: Contacts of Structural Units for 2BTQ Likely Quarternary Molecular Structure file(s) for 2BTQ Structure Factors (231 Kb) Retrieve 2BTQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BTQ from S2C, [Save to disk] Re-refined 2btq structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BTQ 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 2BTQ

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 2BTQ, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2btq_A] [2btq_B] [2btq] SWISS-PROT database: [Q8GCC1] [Q8GCC5] Domain organization of [Q8GCC1_9BACT] [Q8GCC5_9BACT] by SWISSPFAM Domains found in 2BTQ: [Tubulin] [Tubulin_C ] by SMART

Other resources with information on 2BTQ

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

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