9u18
Crystal structure of the NKX2.1 homeodomain in complex with a 12-bp DNA duplex containing a CAAG motif
SAXS Profile
P(r) Distribution
1. Structure Basics
| entry_id | 9u18 |
| deposition_date | 2026-01-29 |
| last_revision | 2026-05-20 |
| title | Crystal structure of the NKX2.1 homeodomain in complex with a 12-bp DNA duplex containing a CAAG motif |
| keywords | Nkx2.1, homeobox, transcription factor, TRANSCRIPTION; TRANSCRIPTION |
| method | X-RAY DIFFRACTION |
Download Data
2. SAXS Parameters (CRYSOL)
| rg_guinier | 21.25 Å |
| rg_electron | 21.21 Å |
| i0 | 24423500.00 |
| molecular_weight | 28723.0 kDa |
| excluded_volume | 32053 ų |
| envelope_volume | 42969 ų |
| shell_volume | 17736 ų |
| envelope_diameter | 70.9 Å |
| shell_rg | 26.46 Å |
| envelope_rg | 21.13 Å |
| shape_rg | 21.19 Å |
| total_rg | 21.83 Å |
| total_atoms | 1967 |
| n_residues | 162 |
| 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 | 70.2 Å |
| rg_real | 21.28 Å |
| rg_real_error | 0.48 Å |
| i0_real | 2.4420e+07 |
| i0_real_error | 3.2750e+05 |
| rg_reciprocal | 21.28 Å |
| i0_reciprocal | 24420000.0000 |
| total_estimate | 0.8904 |
| solution_quality | GOOD a GOOD solution |
| n_peaks | 2 |
| r_peak_primary | 24.8 Å |
| skewness | 0.364 |
| kurtosis | -0.385 |
| angular_range | — – 0.3750 Å−1 |
| current_alpha | 0.0000 |
| highest_alpha | 2631000.0000 |
| n_real_points | 69 |
| gnom_version | 4.1.3 |
| quality_criteria | AN1: 0.000; Oscil: 0.877; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.953; Smooth: 0.989 |