1Q3Q	Chaperone	date	Jul 31, 2003
title	Crystal Structure Of The Chaperonin From Thermococcus Strain (Two-Point Mutant Complexed With Amp-Pnp)
authors	Y.Shomura, T.Yoshida, R.Iizuka, T.Maruyama, M.Yohda, 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: Pet9a Derivative
symmetry	Space Group: P 4 21 2	R_factor 0.213 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 210.829 210.829 156.421 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	ANP, MG	enzyme	Hydrolase E.C.3.6.4.9 BRENDA
related structures	by homologous chain: 1ASS, 1MC1
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] (334 Kb) [Save to disk] Biological Unit Coordinates (1q3q.pdb1.gz) 1291 Kb Biological Unit Coordinates (1q3q.pdb2.gz) 648 Kb Biological Unit Coordinates (1q3q.pdb3.gz) 650 Kb LPC: Ligand-Protein Contacts for 1Q3Q CSU: Contacts of Structural Units for 1Q3Q Likely Quarternary Molecular Structure file(s) for 1Q3Q Structure Factors (1385 Kb) Retrieve 1Q3Q in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q3Q from S2C, [Save to disk] Re-refined 1q3q structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q3Q 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 1Q3Q

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1Q3Q, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1q3qa3, region A:146-216,A:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q3qa2, region A:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q3qa1, region A:9-145,A:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q3qb3, region B:146-216,B:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q3qb2, region B:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q3qb1, region B:9-145,B:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q3qc3, region C:146-216,C:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q3qc2, region C:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q3qc1, region C:9-145,C:406-526 [Jmol] [rasmolscript] [script source]     - Domain d1q3qd3, region D:146-216,D:370-405 [Jmol] [rasmolscript] [script source]     - Domain d1q3qd2, region D:217-369 [Jmol] [rasmolscript] [script source]     - Domain d1q3qd1, 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: [1q3q_C] [1q3q_A] [1q3q] [1q3q_D] [1q3q_B] SWISS-PROT database: [P61112] Domain organization of [THSA_THEK1] by SWISSPFAM

Other resources with information on 1Q3Q

Community annotation for 1Q3Q at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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