2qqy

Crystal structure of ferritin like, diiron-carboxylate proteins from Bacillus anthracis str. Ames

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

Sigma B operon

Bacillus anthracis str.

UniProt Q9K5J5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 12 water × 12 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Q9K5J5_BACAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 4–149; UniProt 1–146

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_id2qqy
Deposition date deposition_date2007-07-27
Structure title titleCrystal structure of ferritin like, diiron-carboxylate proteins from Bacillus anthracis str. Ames
Keywords keywords;dodecameric alpha-helical, ferritin fold, Structural Genomics, PSI-2, Protein Structure Initiative, Midwest Center for Structural Genomics, MCSG, UNKNOWN FUNCTION ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

2qqy__assembly_1__model_1

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

Download this curve (.dat)

2qqy__assembly_1__model_1 | I(q)

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

2qqy__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)36.89 Å
Rg (electron density)35.82 Å
Total Rg36.60 Å
Atom count13464
Residues1596
Excluded volume239780 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 2qqy__assembly_1__model_1 dodecameric (12) 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) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id2qqyA00
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology1260 — Ferritin
Homologous superfamily homologous superfamily10 — Ferritin, core subunit, four-helix bundle
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7. Citations (1)