8cgs

Crystal structure of arsenite oxidase from Alcaligenes faecalis (Af Aio) bound to antimony oxyanion

Method: X-RAY DIFFRACTION

1. Protein Identity and Related Structures Protein Identity & Related Structures

Arsenite oxidase subunit AioA

Alcaligenes faecalis

UniProt Q7SIF4

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 AioB × 2 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 4 OXYGEN ATOM × 2 MOLYBDENUM(IV) ION × 2 FE3-S4 CLUSTER × 2 DI(HYDROXYETHYL)ETHER × 4 ACETATE ION × 2 PHOSPHATE ION × 3 tetrakis(oxidanyl)antimony × 2 CHLORIDE ION × 3 GLYCEROL × 3 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 FE2/S2 (INORGANIC) CLUSTER × 2 water × 4 Consistent with protein count
2 Protein heterocomplex Heteromer Protein 4 AioB × 2 2-AMINO-5,6-DIMERCAPTO-7-METHYL-3,7,8A,9-TETRAHYDRO-8-OXA-1,3,9,10-TETRAAZA-ANTHRACEN-4-ONE GUANOSINE DINUCLEOTIDE × 4 OXYGEN ATOM × 2 MOLYBDENUM(IV) ION × 2 FE3-S4 CLUSTER × 2 DI(HYDROXYETHYL)ETHER × 2 ACETATE ION × 2 PHOSPHATE ION × 3 tetrakis(oxidanyl)antimony × 2 CHLORIDE ION × 2 GLYCEROL × 1 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 FE2/S2 (INORGANIC) CLUSTER × 2 1,2-ETHANEDIOL × 2 SULFATE ION × 1 SODIUM ION × 1 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AIOA_ALCFA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–822; UniProt 5–826 Author chain C; PDBConstruct 1–822; UniProt 5–826 Author chain E; PDBConstruct 1–822; UniProt 5–826 Author chain G; PDBConstruct 1–822; UniProt 5–826

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id8cgs
Deposition date deposition_date2023-02-06
Structure title titleCrystal structure of arsenite oxidase from Alcaligenes faecalis (Af Aio) bound to antimony oxyanion
Keywords keywordsarsenite oxidase, molybdenum cofactor, MGD, arsenic oxyanion, antimony oxyanion, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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.

8cgs__assembly_1__model_1

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

Download this curve (.dat)

8cgs__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.

8cgs__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)36.96 Å
Rg (electron density)36.63 Å
Total Rg36.88 Å
Atom count15230
Residues1910
Excluded volume268150 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8cgs__assembly_1__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download
2 1 8cgs__assembly_2__model_1 tetrameric (4) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (18)

7. Citations (1)