1xfk

1.8A crystal structure of formiminoglutamase from Vibrio cholerae O1 biovar eltor str. N16961

Method: X-RAY DIFFRACTION
▼

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

Formimidoylglutamase

Vibrio cholerae

UniProt Q9KSQ2

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 HUTG_VIBCH
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–336; UniProt 1–336

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_id1xfk
Deposition date deposition_date2004-09-14
Structure title title1.8A crystal structure of formiminoglutamase from Vibrio cholerae O1 biovar eltor str. N16961
Keywords keywords;formiminoglutamase protein, Vibrio cholerae O1 biovar eltor, structure genomics, protein structure initiative, MCSG, The Midwest Center for Structural Genomics, PSI, HYDROLASE ;; 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.

1xfk__assembly_1__model_1

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

Download this curve (.dat)

1xfk__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1xfk__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)20.21 Å
Rg (electron density)18.84 Å
Total Rg19.75 Å
Atom count2533
Residues324
Excluded volume44540 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xfk__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (2)

▼

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1xfka_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.42 — Arginase/deacetylase
Superfamily Superfamily superfamilyc.42.1 — Arginase/deacetylase
Family Family familyc.42.1.1 — Arginase-like amidino hydrolases

CATH v4.4 (1 domains)

Domain ID domain_id1xfkA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily10 — Ureohydrolase domain
▶

7. Citations (1)