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9x2c

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

Method: ELECTRON MICROSCOPY Dmax: 186.7 Å Quality: GOOD

SAXS Profile

SAXS profile for 9x2c

P(r) Distribution

P(r) distribution for 9x2c
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1. Structure Basics

entry_id9x2c
deposition_date2025-10-04
titleCryo-EM structure of PsoA in apo 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_guinier52.27 Å
rg_electron52.71 Å
i01111580000.00
molecular_weight273180.0 kDa
excluded_volume340370 ų
envelope_volume478160 ų
shell_volume80719 ų
envelope_diameter198.3 Å
shell_rg50.65 Å
envelope_rg53.01 Å
shape_rg52.70 Å
total_rg52.69 Å
total_atoms38110
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)

dmax186.7 Å
rg_real52.47 Å
rg_real_error2.24 Å
i0_real1.1120e+09
i0_real_error2.2300e+07
rg_reciprocal52.10 Å
i0_reciprocal1111000000.0000
total_estimate0.8552
solution_quality GOOD a GOOD solution
n_peaks2
r_peak_primary62.2 Å
skewness0.458
kurtosis-0.124
angular_range— – 0.1500 Å−1
current_alpha0.0000
highest_alpha96720000.0000
n_real_points31
gnom_version4.1.3
quality_criteria AN1: 0.000; Oscil: 0.777; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.799
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4. Crystallography & Experiment

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5. Entities & Polymer Info (1)

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6. Citations (1)

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7. Files & Curves (10)