2q45

Ensemble refinement of the protein crystal structure of putative tropinone reductase from Arabidopsis thaliana gene At1g07440

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

Putative tropinone reductase homolog At1g07440

Arabidopsis thaliana

UniProt Q9ASX2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name TRNH1_ARATH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–266; UniProt 1–266

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_id2q45
Deposition date deposition_date2007-05-31
Structure title titleEnsemble refinement of the protein crystal structure of putative tropinone reductase from Arabidopsis thaliana gene At1g07440
Keywords keywords;Ensemble Refinement, Refinement Methodology Development, AT1G07440, REDUCTIVELY METHYLATED PROTEIN, PUTATIVE TROPINONE REDUCTASE, Structural Genomics, Protein Structure Initiative, PSI, Center for Eukaryotic Structural Genomics, CESG, OXIDOREDUCTASE ;; OXIDOREDUCTASE
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.

2q45__assembly_1__model_2

Assembly 1 · Model 2 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2q45__assembly_1__model_2 | I(q)

10-2 10-1 105 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

2q45__assembly_1__model_2 | 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)29.83 Å
Rg (electron density)28.95 Å
Total Rg29.74 Å
Atom count6528
Residues872
Excluded volume116160 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2q45__assembly_1__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2q45__assembly_1__model_2 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2q45__assembly_1__model_3 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2q45__assembly_1__model_4 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 2q45__assembly_1__model_5 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 2q45__assembly_1__model_6 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 2q45__assembly_1__model_7 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 2q45__assembly_1__model_8 tetrameric (4) 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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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2q45a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.2 — NAD(P)-binding Rossmann-fold domains
Superfamily Superfamily superfamilyc.2.1 — NAD(P)-binding Rossmann-fold domains
Family Family familyc.2.1.2 — Tyrosine-dependent oxidoreductases

CATH v4.4 (1 domains)

Domain ID domain_id2q45A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily720 — NAD(P)-binding Rossmann-like Domain
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7. Citations (1)