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9pwk

;P21A Mutant of E. coli Dihydrofolate Reductase Complexed with Folate and Nicotinamide Adenine Dinucleotide Phosphate (oxidized form) ;

Method: X-RAY DIFFRACTION Dmax: 51.9 Å Quality: GOOD

SAXS Profile

SAXS profile for 9pwk

P(r) Distribution

P(r) distribution for 9pwk
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1. Structure Basics

entry_id9pwk
deposition_date2025-08-04
last_revision2026-02-04
title;P21A Mutant of E. coli Dihydrofolate Reductase Complexed with Folate and Nicotinamide Adenine Dinucleotide Phosphate (oxidized form) ;
keywordsP21A, DHFR, OXIDOREDUCTASE; OXIDOREDUCTASE
methodX-RAY DIFFRACTION
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Download Data

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2. SAXS Parameters (CRYSOL)

rg_guinier16.62 Å
rg_electron15.24 Å
i07512020.00
molecular_weight19188.0 kDa
excluded_volume23586 ų
envelope_volume26444 ų
shell_volume14552 ų
envelope_diameter51.5 Å
shell_rg21.25 Å
envelope_rg15.56 Å
shape_rg15.22 Å
total_rg16.31 Å
total_atoms1347
n_residues159
n_harmonics20
q_range— – 0.5000 Å−1
n_points101
shell_typedirectional
solvent_density0.3340 e/ų
contrast_shell0.0300 e/ų
crysol_version4.1.3
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3. P(r) Analysis (GNOM)

dmax51.9 Å
rg_real16.49 Å
rg_real_error0.27 Å
i0_real7.5120e+06
i0_real_error8.7070e+04
rg_reciprocal16.51 Å
i0_reciprocal7512000.0000
total_estimate0.8959
solution_quality GOOD a GOOD solution
n_peaks2
r_peak_primary22.3 Å
skewness0.118
kurtosis-0.431
angular_range— – 0.4800 Å−1
current_alpha0.0000
highest_alpha1738000.0000
n_real_points78
gnom_version4.1.3
quality_criteria AN1: 0.000; Oscil: 0.894; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.971
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4. Crystallography & Experiment

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5. Entities & Polymer Info (5)

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6. Citations (1)

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7. Files & Curves (10)