3g77

Bacterial cytosine deaminase V152A/F316C/D317G mutant

Method: X-RAY DIFFRACTION
▼

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

Cytosine deaminase

Escherichia coli

UniProt P25524

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 6 FE (III) ION × 6 water × 6 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name CODA_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–423; UniProt 5–427

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_id3g77
Deposition date deposition_date2009-02-09
Structure title titleBacterial cytosine deaminase V152A/F316C/D317G mutant
Keywords keywordscytosine deaminase, protein engineering, Cytosine metabolism, Hydrolase, Iron, Metal-binding; HYDROLASE
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.

3g77__assembly_1__model_1

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

Download this curve (.dat)

3g77__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

3g77__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)41.28 Å
Rg (electron density)40.81 Å
Total Rg41.21 Å
Atom count19884
Residues2538
Excluded volume351810 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3g77__assembly_1__model_1 hexameric (6) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

▼

6. Fold Classification (SCOP + CATH) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3g77A01
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology40 — Urease, subunit C; domain 1
Homologous superfamily homologous superfamily10 — Urease, subunit C, domain 1
Domain ID domain_id3g77A02
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily140 — Metal-dependent hydrolases
▶

7. Citations (1)