5uii

structure of DHFR with bound buformin and NADP

Method: X-RAY DIFFRACTION Dmax: 51.7 Å Quality: GOOD

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

Dihydrofolate reductase

Escherichia coli

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 2–159 Mutation:C152S NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 CA CALCIUM ION × 1 NA SODIUM ION × 1 BFR N-butyl-N'-(diaminomethylidene)guanidine × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 6.8;293 K;10mM buformin,2mM NADP,50mM Bis-Tris propane,60mM MgCl2,20% PEG 400 Resolution 1.35 Å R-free 0.174

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 2–159; UniProt 2–159

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 5uii

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5uii
Download Download

2. Structure Basics 2. Structure Basics

Entry ID entry_id5uii
Deposition date deposition_date2017-01-14
Structure title titlestructure of DHFR with bound buformin and NADP
Keywords keywordsDHFR, buformin, NADP, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier16.66
Radius of gyration Rg (electron density) rg_electron15.25
Forward intensity I(0) i06704750.00
Molecular weight molecular_weight18221.0 kDa
Excluded volume excluded_volume22496 ų
Envelope volume envelope_volume25653 ų
Hydration-shell volume shell_volume14209 ų
Envelope diameter envelope_diameter51.6
Shell Rg shell_rg21.16
Envelope Rg envelope_rg15.49
Shape Rg shape_rg15.27
Total Rg total_rg16.25
Total atoms total_atoms2482
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 dmax51.7
Rg (real space) rg_real16.54
Rg uncertainty (real space) rg_real_error0.33
I(0) (real space) i0_real6.7050e+06
I(0) uncertainty (real space) i0_real_error7.6470e+04
Rg (reciprocal space) rg_reciprocal16.55
I(0) (reciprocal space) i0_reciprocal6705000.0000
Solution quality estimate total_estimate0.8208
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary22.8
Skewness Skewness skewness0.114
Kurtosis Kurtosis kurtosis-0.428
Angular range angular_range— – 0.4800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1337000.0000
Real-space data points n_real_points78
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.894; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd5uiia1
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.71.1.0 — automated matches
Domain ID domain_idd5uiia2
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_id5uiiA00
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)