1sau

The Gamma subunit of the dissimilatory sulfite reductase (DsrC) from Archaeoglobus fulgidus at 1.1 A resolution

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

sulfite reductase, desulfoviridin-type subunit gamma

Archaeoglobus fulgidus

UniProt O28055

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O28055_ARCFU
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–115; UniProt 1–115

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_id1sau
Deposition date deposition_date2004-02-09
Structure title titleThe Gamma subunit of the dissimilatory sulfite reductase (DsrC) from Archaeoglobus fulgidus at 1.1 A resolution
Keywords keywordsORTHOGONAL HELICAL BUNDLE, 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.

1sau__assembly_1__model_1

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

Download this curve (.dat)

1sau__assembly_1__model_1 | I(q)

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

1sau__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)14.85 Å
Rg (electron density)13.58 Å
Total Rg14.91 Å
Atom count941
Residues114
Excluded volume16900 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1sau__assembly_1__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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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1saua_
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.203 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Superfamily Superfamily superfamilyd.203.1 — DsrC, the gamma subunit of dissimilatory sulfite reductase
Family Family familyd.203.1.1 — DsrC, the gamma subunit of dissimilatory sulfite reductase

CATH v4.4 (2 domains)

Domain ID domain_id1sauA01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1420 — Dissimilatory Siroheme-sulfite Reductase; Chain: A; domain 1
Homologous superfamily homologous superfamily10 — DsrC protein, N-terminal domain
Domain ID domain_id1sauA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology10 — Arc Repressor Mutant, subunit A
Homologous superfamily homologous superfamily370 — DsrC protein, C-terminal domain
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7. Citations (2)