9QPK | pdb_00009qpk

E.coli TalB mutant E96Q, F178Y, R300E

PDB DOI: https://doi.org/10.2210/pdb9QPK/pdb

Classification: TRANSFERASE
Organism(s): Escherichia coli K-12
Expression System: Escherichia coli BL21
Mutation(s): Yes

Deposited: 2025-03-27 Released: 2026-04-08
Deposition Author(s): Soderholm, A., Roos, A., Widersten, M.
Funding Organization(s): Other private

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 2.36 Å
R-Value Free:
0.278 (Depositor), 0.283 (DCC)
R-Value Work:
0.226 (Depositor), 0.228 (DCC)
R-Value Observed:
0.228 (Depositor)

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history.

Literature

E.coli TalB mutant E96Q, F178Y, R300E

Soderholm, A., Widersten, M.

To be published.

Macromolecule Content

Total Structure Weight: 144.5 kDa
Atom Count: 10,036
Modeled Residue Count: 1,269
Deposited Residue Count: 1,296
Unique protein chains: 1

Macromolecules

Find similar proteins by:

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transaldolase B	A, B, C, D	324	Escherichia coli K-12	Mutation(s): 3 Gene Names: talB, yaaK, b0008, JW0007 EC: 2.2.1.2
UniProt
Find proteins for P0A870 (Escherichia coli (strain K12)) Explore P0A870 Go to UniProtKB: P0A870
Entity Groups
Sequence Clusters	30% Identity 50% Identity 70% Identity 90% Identity 95% Identity 100% Identity
UniProt Group	P0A870
Sequence Annotations Expand
Reference Sequence

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 2.36 Å
R-Value Free: 0.278 (Depositor), 0.283 (DCC)
R-Value Work: 0.226 (Depositor), 0.228 (DCC)
R-Value Observed: 0.228 (Depositor)

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 156.713	α = 90
b = 56.412	β = 104.215
c = 153.746	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
pointless	data scaling
PHASER	phasing

Structure Validation

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Entry History

& Funding Information

Deposition Data

Released Date: 2026-04-08

Deposition Author(s):

Funding Organization	Location	Grant Number
Other private	Sweden	218-0061

Revision History (Full details and data files)

Version 1.0: 2026-04-08
Type: Initial release

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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.