5yoe

Crystal Structure of flavodoxin with engineered disulfide bond A43C-L74C

Method: X-RAY DIFFRACTION Dmax: 49.7 Å Quality: GOOD

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

Flavodoxin

Desulfovibrio vulgaris (strain Hildenborough / ATCC 29579 / DSM 644 / NCIMB 8303)

UniProt P00323

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 3–148 Mutation:A43C, L74C, Y98W FMN FLAVIN MONONUCLEOTIDE × 1 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;Tris-HCL 0.1M Ammonium Sulfate 3.2M Resolution 1.35 Å R-free 0.181

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.

39 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FLAV_DESVH
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–148; UniProt 3–148

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 5yoe

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5yoe
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5yoe
Deposition date deposition_date2017-10-27
Structure title titleCrystal Structure of flavodoxin with engineered disulfide bond A43C-L74C
Keywords keywordsfusion partner, FMN-binding protein, oxidation, ELECTRON TRANSPORT; ELECTRON TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier15.65
Radius of gyration Rg (electron density) rg_electron14.17
Forward intensity I(0) i05780670.00
Molecular weight molecular_weight16328.0 kDa
Excluded volume excluded_volume19928 ų
Envelope volume envelope_volume22226 ų
Hydration-shell volume shell_volume13141 ų
Envelope diameter envelope_diameter48.7
Shell Rg shell_rg20.18
Envelope Rg envelope_rg14.52
Shape Rg shape_rg14.19
Total Rg total_rg15.21
Total atoms total_atoms1173
Residues n_residues148
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 dmax49.7
Rg (real space) rg_real15.54
Rg uncertainty (real space) rg_real_error0.22
I(0) (real space) i0_real5.7810e+06
I(0) uncertainty (real space) i0_real_error6.2520e+04
Rg (reciprocal space) rg_reciprocal15.55
I(0) (reciprocal space) i0_reciprocal5781000.0000
Solution quality estimate total_estimate0.8881
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary20.8
Skewness Skewness skewness0.100
Kurtosis Kurtosis kurtosis-0.381
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1048000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.860; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.967

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5yoea1
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.5 — Flavoproteins
Family Family familyc.23.5.1 — Flavodoxin-related
Domain ID domain_idd5yoea2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id5yoeA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily360 — Flavodoxin domain

8. Citations (1)

9. Files and Curves (10)