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9qpk

E.coli TalB mutant E96Q, F178Y, R300E

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Transaldolase B

Escherichia coli K-12

UniProt P0A870

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count
2 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count
3 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count
4 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1onr 1onr 3kof 3kof 9qpk 9qpk 9qpk 9qpk

8 assemblies

Homodimer
1i2n 1i2o 1i2p 1i2q 1i2r 1ucw 3cwn 3cwn 4rz5 4rz6 4s2b 4s2c

12 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name TALB_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–317； UniProt 1–317 Author chain B； PDBConstruct 1–317； UniProt 1–317 Author chain C； PDBConstruct 1–317； UniProt 1–317 Author chain D； PDBConstruct 1–317； UniProt 1–317

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id9qpk
Deposition date deposition_date2025-03-27
Last revision last_revision2026-04-08
Structure title titleE.coli TalB mutant E96Q, F178Y, R300E
Keywords keywordstransaldolase, TalB, monomeric mutant, aldolase-like, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

9qpk__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

9qpk__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

9qpk__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）20.80 Å
Rg (electron density)19.61 Å
Total Rg20.46 Å
Atom count2491
Residues319
Excluded volume44500 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9qpk__assembly_1__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 9qpk__assembly_2__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
3 1 9qpk__assembly_3__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
4 1 9qpk__assembly_4__model_1 monomeric （1） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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7. Citations (1)