9sma
Structure and mechanism of the broad spectrum CRISPR-associated ring nuclease Crn4
SAXS Profile
P(r) Distribution
1. Structure Basics
| entry_id | 9sma |
| deposition_date | 2025-09-05 |
| title | Structure and mechanism of the broad spectrum CRISPR-associated ring nuclease Crn4 |
| keywords | CRISPR, Ring Nuclease, cyclic oligoadenylate, Phage, viral protein, CELL INVASION, ANTIVIRAL PROTEIN; ANTIVIRAL PROTEIN |
| method | X-RAY DIFFRACTION |
Download Data
2. SAXS Parameters (CRYSOL)
| rg_guinier | 25.41 Å |
| rg_electron | 24.54 Å |
| i0 | 12658800.00 |
| molecular_weight | 26827.0 kDa |
| excluded_volume | 33815 ų |
| envelope_volume | 51911 ų |
| shell_volume | 19122 ų |
| envelope_diameter | 78.2 Å |
| shell_rg | 29.73 Å |
| envelope_rg | 24.20 Å |
| shape_rg | 24.54 Å |
| total_rg | 25.33 Å |
| total_atoms | 1897 |
| n_residues | 252 |
| n_harmonics | 20 |
| q_range | — – 0.5000 Å−1 |
| n_points | 101 |
| shell_type | directional |
| solvent_density | 0.3340 e/ų |
| contrast_shell | 0.0300 e/ų |
| crysol_version | 4.1.3 |
3. P(r) Analysis (GNOM)
| dmax | 76.9 Å |
| rg_real | 25.38 Å |
| rg_real_error | 0.65 Å |
| i0_real | 1.2660e+07 |
| i0_real_error | 2.0280e+05 |
| rg_reciprocal | 25.39 Å |
| i0_reciprocal | 12660000.0000 |
| total_estimate | 0.9098 |
| solution_quality | EXCELLENT a EXCELLENT solution |
| n_peaks | 2 |
| r_peak_primary | 23.6 Å |
| skewness | 0.132 |
| kurtosis | -0.767 |
| angular_range | — – 0.3100 Å−1 |
| current_alpha | 0.0000 |
| highest_alpha | 1106000.0000 |
| n_real_points | 63 |
| gnom_version | 4.1.3 |
| quality_criteria | AN1: 0.000; Oscil: 0.953; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.982 |