2q4y

Ensemble refinement of the protein crystal structure of At1g77540-coenzyme A complex

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

Uncharacterized protein At1g77540

Arabidopsis thaliana

UniProt Q9CAQ2

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Y1754_ARATH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–103; UniProt 12–114

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_id2q4y
Deposition date deposition_date2007-05-31
Structure title titleEnsemble refinement of the protein crystal structure of At1g77540-coenzyme A complex
Keywords keywords;Ensemble Refinement, Refinement Methodology Development, CoA, Coenzyme-A, COG2388 Family, acetyltransferase, At1g77540, Structural Genomics, Protein Structure Initiative, PSI, Center for Eukaryotic Structural Genomics, CESG, 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.

2q4y__assembly_1__model_3

Assembly 1 · Model 3 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

2q4y__assembly_1__model_3 | I(q)

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

2q4y__assembly_1__model_3 | 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)13.94 Å
Rg (electron density)12.65 Å
Total Rg13.95 Å
Atom count783
Residues91
Excluded volume13792 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2q4y__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 2q4y__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 2q4y__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 2q4y__assembly_1__model_4 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 (3)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2q4ya_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.108 — Acyl-CoA N-acyltransferases (Nat)
Superfamily Superfamily superfamilyd.108.1 — Acyl-CoA N-acyltransferases (Nat)
Family Family familyd.108.1.1 — N-acetyl transferase, NAT

CATH v4.4 (1 domains)

Domain ID domain_id2q4yA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily30 — Gcn5-related N-acetyltransferase (GNAT)
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7. Citations (1)