3ajc

Structure of the MC domain of FliG (PEV), a CW-biased mutant

Method: X-RAY DIFFRACTION Dmax: 68.2 Å Quality: GOOD

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

Flagellar motor switch protein fliG

Thermotoga maritima

UniProt Q9WY63

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 104–335 Fragment:FliG MC domain, UNP residues 104-335 Mutation:deletion of UNP residues 170-172 No other associated polymer X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 4.2;277 K;50% PEG 200, 0.1M Phospho-Citrate, 0.2M NaCl, pH 4.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K Resolution 2.30 Å R-free 0.240

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

6 other PDB entries and 21 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FLIG_THEMA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–229; UniProt 104–335

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.

SAXS scattering curve SAXS Profile

SAXS profile for 3ajc

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 3ajc
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2. Structure Basics 2. Structure Basics

Entry ID entry_id3ajc
Deposition date deposition_date2010-05-27
Structure title titleStructure of the MC domain of FliG (PEV), a CW-biased mutant
Keywords keywordschemotaxis, flagellum, flagellar motor, structural protein; STRUCTURAL PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier21.13
Radius of gyration Rg (electron density) rg_electron20.33
Forward intensity I(0) i09864710.00
Molecular weight molecular_weight23892.0 kDa
Excluded volume excluded_volume30286 ų
Envelope volume envelope_volume38192 ų
Hydration-shell volume shell_volume16377 ų
Envelope diameter envelope_diameter67.1
Shell Rg shell_rg25.80
Envelope Rg envelope_rg20.38
Shape Rg shape_rg20.34
Total Rg total_rg21.16
Total atoms total_atoms1678
Residues n_residues210
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax68.2
Rg (real space) rg_real21.13
Rg uncertainty (real space) rg_real_error0.46
I(0) (real space) i0_real9.8650e+06
I(0) uncertainty (real space) i0_real_error1.2790e+05
Rg (reciprocal space) rg_reciprocal21.13
I(0) (reciprocal space) i0_reciprocal9865000.0000
Solution quality estimate total_estimate0.8967
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.1
Skewness Skewness skewness0.293
Kurtosis Kurtosis kurtosis-0.516
Angular range angular_range— – 0.3750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1606000.0000
Real-space data points n_real_points69
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.902; Stabil: 0.997; Sysdev: 1.000; Positv: 1.000; Valcen: 0.972; Smooth: 0.982

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd3ajca_
Class classa — All alpha proteins
Fold Fold folda.118 — alpha-alpha superhelix
Superfamily Superfamily superfamilya.118.14 — FliG
Family Family familya.118.14.1 — FliG

CATH v4.4 (2 domains)

Domain ID domain_id3ajcA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology220 — Annexin V; domain 1
Homologous superfamily homologous superfamily30 — Flagellar motor switch protein FliG, alpha-alpha superhelical domain
Domain ID domain_id3ajcA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology220 — Annexin V; domain 1
Homologous superfamily homologous superfamily30 — Flagellar motor switch protein FliG, alpha-alpha superhelical domain

8. Citations (1)

9. Files and Curves (10)