4XTK | pdb_00004xtk

Structure of TM1797, a CAS1 protein from Thermotoga maritima

PDB DOI: https://doi.org/10.2210/pdb4XTK/pdb
Entry: 4XTK supersedes: 3LFX

Classification: HYDROLASE
Organism(s): Thermotoga maritima MSB8
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2015-01-23 Released: 2015-02-11
Deposition Author(s): Petit, P., Beloglazova, N., Skarina, T., Chang, C., Edwards, A., Joachimiak, A., Savchenko, A., Midwest Center for Structural Genomics (MCSG)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free:
0.230 (Depositor), 0.231 (DCC)
R-Value Work:
0.183 (Depositor), 0.188 (DCC)
R-Value Observed:
0.186 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

Validation slider image for 4XTK

This is version 1.1 of the entry. See complete history.

Literature

Crystal structure and nuclease activity of tm1797, a cas1 protein from thermotoga maritima

Beloglazova, N., Skarina, T., Petit, P., Flick, R., Brown, G., Savchenko, A., Yakunin, A.F.

To be published.

Macromolecule Content

Total Structure Weight: 309.28 kDa
Atom Count: 20,014
Modeled Residue Count: 2,466
Deposited Residue Count: 2,608
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CRISPR-associated endonuclease Cas1	A, B, C, D, E A, B, C, D, E, F, G, H	326	Thermotoga maritima MSB8	Mutation(s): 0 Gene Names: cas1, TM_1797, ThemaDRAFT_1327 EC: 3.1
UniProt
Find proteins for Q9X2B7 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9X2B7 Go to UniProtKB: Q9X2B7
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	Q9X2B7
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.70 Å
R-Value Free: 0.230 (Depositor), 0.231 (DCC)
R-Value Work: 0.183 (Depositor), 0.188 (DCC)
R-Value Observed: 0.186 (Depositor)

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 92.277	α = 93.03
b = 94.555	β = 115.06
c = 106.39	γ = 102.97

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
SCALA	data scaling
MOLREP	phasing
Coot	model building

Structure Validation

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Entry History

Deposition Data

Released Date: 2015-02-11

Deposition Author(s):

Beloglazova, N.

Midwest Center for Structural Genomics (MCSG)

This entry supersedes: 3LFX

Revision History (Full details and data files)

Version 1.0: 2015-02-11
Type: Initial release
Version 1.1: 2023-09-27
Changes: Data collection, Database references, Derived calculations, Refinement description, Source and taxonomy

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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.