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9x29

Cryo-EM structure of PsoA in cofactor bound state (PsoA-PKS-I)

Method: ELECTRON MICROSCOPY Dmax: 190.3 Å Quality: GOOD

SAXS Profile

SAXS profile for 9x29

P(r) Distribution

P(r) distribution for 9x29
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1. Structure Basics

entry_id9x29
deposition_date2025-10-04
titleCryo-EM structure of PsoA in cofactor bound state (PsoA-PKS-I)
keywordsPKS-NRPS hybrid synthetase; part of the gene cluster that mediates the biosynthesis of pseurotin A, BIOSYNTHETIC PROTEIN; BIOSYNTHETIC PROTEIN
methodELECTRON MICROSCOPY
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Download Data

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2. SAXS Parameters (CRYSOL)

rg_guinier52.39 Å
rg_electron52.73 Å
i01134800000.00
molecular_weight274890.0 kDa
excluded_volume342020 ų
envelope_volume479630 ų
shell_volume80891 ų
envelope_diameter195.1 Å
shell_rg50.64 Å
envelope_rg52.89 Å
shape_rg52.70 Å
total_rg52.74 Å
total_atoms38285
n_residues2523
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)

dmax190.3 Å
rg_real52.58 Å
rg_real_error1.98 Å
i0_real1.1350e+09
i0_real_error2.2310e+07
rg_reciprocal52.23 Å
i0_reciprocal1134000000.0000
total_estimate0.8499
solution_quality GOOD a GOOD solution
n_peaks2
r_peak_primary63.4 Å
skewness0.442
kurtosis-0.161
angular_range— – 0.1500 Å−1
current_alpha0.0000
highest_alpha100700000.0000
n_real_points31
gnom_version4.1.3
quality_criteria AN1: 0.000; Oscil: 0.745; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.836
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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (1)

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7. Files & Curves (10)