1qgy

Ferredoxin:NADP+ reductase mutant with Lys 75 replaced by Glu (K75E)

Method: X-RAY DIFFRACTION Dmax: 62.7 Å Quality: EXCELLENT

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

Ferredoxin--NADP+ reductase

Nostoc sp.

UniProt P21890

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 146–440 Mutation:K75E SO4 SULFATE ION × 1 FAD FLAVIN-ADENINE DINUCLEOTIDE × 1 X-RAY DIFFRACTION X-ray crystallization conditions:pH 5;pH 5.0 Resolution 1.70 Å R-free 0.230

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.

31 other PDB entries and 34 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name FENR_ANASO
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–295; UniProt 146–440

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 1qgy

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1qgy
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1qgy
Deposition date deposition_date1999-05-10
Structure title titleFerredoxin:NADP+ reductase mutant with Lys 75 replaced by Glu (K75E)
Keywords keywordsOXIDOREDUCTASE, FLAVOPROTEIN, NADP, FAD, FNR, NADP REDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier20.54
Radius of gyration Rg (electron density) rg_electron19.37
Forward intensity I(0) i020378800.00
Molecular weight molecular_weight34037.0 kDa
Excluded volume excluded_volume42432 ų
Envelope volume envelope_volume49423 ų
Hydration-shell volume shell_volume21073 ų
Envelope diameter envelope_diameter63.3
Shell Rg shell_rg25.99
Envelope Rg envelope_rg19.69
Shape Rg shape_rg19.38
Total Rg total_rg20.21
Total atoms total_atoms2396
Residues n_residues295
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 dmax62.7
Rg (real space) rg_real20.43
Rg uncertainty (real space) rg_real_error0.31
I(0) (real space) i0_real2.0380e+07
I(0) uncertainty (real space) i0_real_error2.3840e+05
Rg (reciprocal space) rg_reciprocal20.45
I(0) (reciprocal space) i0_reciprocal20380000.0000
Solution quality estimate total_estimate0.9079
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary24.5
Skewness Skewness skewness0.165
Kurtosis Kurtosis kurtosis-0.465
Angular range angular_range— – 0.3850 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha3283000.0000
Real-space data points n_real_points70
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.997

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1qgya1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.2 — Ferredoxin reductase FAD-binding domain-like
Domain ID domain_idd1qgya2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.1 — Reductases

CATH v4.4 (2 domains)

Domain ID domain_id1qgyA01
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id1qgyA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

8. Citations (2)

9. Files and Curves (10)