6dav

Crystal Structure of Human DHFR complexed with NADP and N10formyltetrahydrofolate

Method: X-RAY DIFFRACTION Dmax: 83.5 Å Quality: GOOD

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

Dihydrofolate reductase

Homo sapiens

UniProt P00374

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 1–187 Not recorded NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 G3V N-(4-{[(2,4-diaminopteridin-6-yl)methyl](hydroxymethyl)amino}benzene-1-carbonyl)-L-glutamic acid × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;290 K;Wizard 3/4 H10 (296175h10): 100 mM Tris base/ Hydrochloric acid pH 8.5, 30% (w/v) PEG3350, 30% (v/v) 2-propanol, protein conc. 28.74 mg/mL, protein batch ID XP819, 10 mM NADP, 3.75 mM BSI108214, seeded from 293949g10, cryoprotected with 20% eg, puck izs6-6 Resolution 1.55 Å R-free 0.204
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 1–187 Not recorded NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 1 G3V N-(4-{[(2,4-diaminopteridin-6-yl)methyl](hydroxymethyl)amino}benzene-1-carbonyl)-L-glutamic acid × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 8.5;290 K;Wizard 3/4 H10 (296175h10): 100 mM Tris base/ Hydrochloric acid pH 8.5, 30% (w/v) PEG3350, 30% (v/v) 2-propanol, protein conc. 28.74 mg/mL, protein batch ID XP819, 10 mM NADP, 3.75 mM BSI108214, seeded from 293949g10, cryoprotected with 20% eg, puck izs6-6 Resolution 1.55 Å R-free 0.204

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.

88 other PDB entries and 104 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name DYR_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–187; UniProt 1–187 Author chain B; PDBConstruct 1–187; UniProt 1–187

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 6dav

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 6dav
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2. Structure Basics 2. Structure Basics

Entry ID entry_id6dav
Deposition date deposition_date2018-05-02
Structure title titleCrystal Structure of Human DHFR complexed with NADP and N10formyltetrahydrofolate
Keywords keywordsStructure-guided Drug Discovery Consortium, dihydrofolate reductase, hDHFR, NADP, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier25.15
Radius of gyration Rg (electron density) rg_electron24.41
Forward intensity I(0) i034346800.00
Molecular weight molecular_weight44937.0 kDa
Excluded volume excluded_volume56135 ų
Envelope volume envelope_volume66562 ų
Hydration-shell volume shell_volume23567 ų
Envelope diameter envelope_diameter87.5
Shell Rg shell_rg30.54
Envelope Rg envelope_rg24.52
Shape Rg shape_rg24.39
Total Rg total_rg25.19
Total atoms total_atoms3158
Residues n_residues372
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 dmax83.5
Rg (real space) rg_real25.24
Rg uncertainty (real space) rg_real_error0.63
I(0) (real space) i0_real3.4350e+07
I(0) uncertainty (real space) i0_real_error5.0320e+05
Rg (reciprocal space) rg_reciprocal25.22
I(0) (reciprocal space) i0_reciprocal34350000.0000
Solution quality estimate total_estimate0.8670
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary25.2
Skewness Skewness skewness0.435
Kurtosis Kurtosis kurtosis-0.427
Angular range angular_range— – 0.3150 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7973000.0000
Real-space data points n_real_points64
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.803; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.872; Smooth: 0.985

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd6dava_
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
Domain ID domain_idd6davb_
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 (2 domains)

Domain ID domain_id6davA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology430 — Dihydrofolate Reductase, subunit A
Homologous superfamily homologous superfamily10 — Dihydrofolate Reductase, subunit A
Domain ID domain_id6davB00
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)