5w3q

L28F E.coli DHFR in complex with NADPH

Method: X-RAY DIFFRACTION Dmax: 51.3 Å Quality: GOOD

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

Dihydrofolate reductase

Escherichia coli (strain K12)

UniProt P0ABQ4

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 1–159 Mutation:L28F NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;298 K;100 mM imidazole pH 8.0, 25% w/v PEG6000, 450 mM CaCl2 Resolution 1.40 Å R-free 0.168

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.

141 other PDB entries and 156 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DYR_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–159; UniProt 1–159

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 5w3q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5w3q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5w3q
Deposition date deposition_date2017-06-08
Structure title titleL28F E.coli DHFR in complex with NADPH
Keywords keywordsOXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.70
Radius of gyration Rg (electron density) rg_electron15.30
Forward intensity I(0) i07106590.00
Molecular weight molecular_weight18765.0 kDa
Excluded volume excluded_volume23156 ų
Envelope volume envelope_volume26012 ų
Hydration-shell volume shell_volume14320 ų
Envelope diameter envelope_diameter52.2
Shell Rg shell_rg21.21
Envelope Rg envelope_rg15.60
Shape Rg shape_rg15.30
Total Rg total_rg16.35
Total atoms total_atoms2560
Residues n_residues159
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 dmax51.3
Rg (real space) rg_real16.60
Rg uncertainty (real space) rg_real_error0.29
I(0) (real space) i0_real7.1070e+06
I(0) uncertainty (real space) i0_real_error7.8940e+04
Rg (reciprocal space) rg_reciprocal16.61
I(0) (reciprocal space) i0_reciprocal7107000.0000
Solution quality estimate total_estimate0.8241
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.6
Skewness Skewness skewness0.111
Kurtosis Kurtosis kurtosis-0.439
Angular range angular_range— – 0.4750 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1411000.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.909; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd5w3qa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.71 — Dihydrofolate reductase-like
Superfamily Superfamily superfamilyc.71.1 — Dihydrofolate reductase-like
Family Family familyc.71.1.1 — Dihydrofolate reductases

CATH v4.4 (1 domains)

Domain ID domain_id5w3qA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology430 — Dihydrofolate Reductase, subunit A
Homologous superfamily homologous superfamily10 — Dihydrofolate Reductase, subunit A

8. Citations (1)

9. Files and Curves (10)