1SQU | pdb_00001squ

Structural Genomics, Crystal structure of the CheX protein from Thermotoga maritima

PDB DOI: https://doi.org/10.2210/pdb1SQU/pdb

Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
Organism(s): Thermotoga maritima
Expression System: Escherichia coli BL21(DE3)
Mutation(s): No

Deposited: 2004-03-19 Released: 2004-05-04
Deposition Author(s): Zhang, R., Savchenko, A., Edwards, A., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free:
0.320 (Depositor), 0.329 (DCC)
R-Value Work:
0.239 (Depositor), 0.244 (DCC)
R-Value Observed:
0.239 (Depositor)

wwPDB Validation 3D Report Full Report

Validation slider image for 1SQU

This is version 1.3 of the entry. See complete history.

Literature

The crystal structure of the protein CheX from Thermotoga maritima

Zhang, R., Savchenko, A., Edwards, A., Joachimiak, A.

To be published.

Macromolecule Content

Total Structure Weight: 32.93 kDa
Atom Count: 2,291
Modeled Residue Count: 306
Deposited Residue Count: 310
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CheX protein	A, B	155	Thermotoga maritima	Mutation(s): 0 EC: 3
UniProt
Find proteins for Q9X1V3 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X1V3 Go to UniProtKB: Q9X1V3
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9X1V3
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.40 Å
R-Value Free: 0.320 (Depositor), 0.329 (DCC)
R-Value Work: 0.239 (Depositor), 0.244 (DCC)
R-Value Observed: 0.239 (Depositor)

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.241	α = 90
b = 73.031	β = 90
c = 78.341	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
SBC-Collect	data collection
HKL-2000	data scaling
CNS	phasing

Structure Validation

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View more in-depth experimental data

Entry History

Deposition Data

Released Date: 2004-05-04

Deposition Author(s):

Midwest Center for Structural Genomics (MCSG)

Revision History (Full details and data files)

Version 1.0: 2004-05-04
Type: Initial release
Version 1.1: 2008-04-29
Changes: Version format compliance
Version 1.2: 2011-07-13
Changes: Version format compliance
Version 1.3: 2024-02-14
Changes: Data collection, Database references

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.