1Q2V	Chaperone	date	Jul 26, 2003
title	Crystal Structure Of The Chaperonin From Thermococcus Strain (Nucleotide-Free Form)
authors	Y.Shomura, T.Yoshida, R.Iizuka, M.Yohda, T.Maruyama, K.Miki
compound		source
Molecule: Thermosome Alpha Subunit Chain: A, B, C, D Synonym: Thermosome Subunit 1, Chaperonin Alpha Subunit Ec: 3.6.4.9 Engineered: Yes Mutation: Yes		Organism_scientific: Thermococcus Sp. Organism_taxid: 79679 Strain: Ks-1 Gene: Thsa Or Cpka Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pk1ealpha
symmetry	Space Group: P 4 21 2	R_factor 0.246 R_Free 0.269
crystal cell	length a length b length c angle alpha angle beta angle gamma 209.272 209.272 156.625 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	SO4	enzyme	Hydrolase E.C.3.6.4.9 BRENDA
related structures	by homologous chain: 1ASS, 1MBZ
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structures of the group II chaperonin from Thermococcus strain KS-1: steric hindrance by the substituted amino acid, and inter-subunit rearrangement between two crystal forms., Shomura Y, Yoshida T, Iizuka R, Maruyama T, Yohda M, Miki K, J Mol Biol 2004 Jan 30;335(5):1265-78. PMID:14729342

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (319 Kb) [Save to disk] Biological Unit Coordinates (1q2v.pdb1.gz) 1239 Kb Biological Unit Coordinates (1q2v.pdb2.gz) 623 Kb Biological Unit Coordinates (1q2v.pdb3.gz) 622 Kb LPC: Ligand-Protein Contacts for 1Q2V CSU: Contacts of Structural Units for 1Q2V Likely Quarternary Molecular Structure file(s) for 1Q2V Structure Factors (1252 Kb) Retrieve 1Q2V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q2V from S2C, [Save to disk] Re-refined 1q2v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q2V 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 1Q2V

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 1Q2V, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q2va3, region A:146-216,A:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q2va2, region A:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q2va1, region A:9-145,A:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q2vb3, region B:146-216,B:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q2vb2, region B:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q2vb1, region B:9-145,B:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q2vc3, region C:146-216,C:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q2vc2, region C:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q2vc1, region C:9-145,C:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q2vd3, region D:146-216,D:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q2vd2, region D:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q2vd1, region D:9-145,D:406-526 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1q2v_B] [1q2v_D] [1q2v_A] [1q2v_C] [1q2v] SWISS-PROT database: [P61112] Domain organization of [THSA_THEK1] by SWISSPFAM

Other resources with information on 1Q2V

Community annotation for 1Q2V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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