1qey
NMR Structure Determination of the Tetramerization Domain of the MNT Repressor: An Asymmetric A-Helical Assembly in Slow Exchange
SAXS 散射曲线 SAXS Profile
P(r) 距离分布 P(r) Distribution
1. 结构基本信息 1. Structure Basics
| 条目编号 entry_id | 1qey |
| 沉积日期 deposition_date | 1999-04-03 |
| 结构标题 title | NMR Structure Determination of the Tetramerization Domain of the MNT Repressor: An Asymmetric A-Helical Assembly in Slow Exchange |
| 关键词 keywords | OLIGOMERIZATION, TRANSCRIPTIONAL CONTROL, P22 MNT REPRESSOR, GENE REGULATION; GENE REGULATION |
| 实验方法 method | SOLUTION NMR |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 16.56 Å |
| 回转半径 Rg (电子) rg_electron | 16.12 Å |
| 零角强度 I(0) i0 | 2219890000.00 |
| 分子量 molecular_weight | 398110.0 kDa |
| 排除体积 excluded_volume | 498390 ų |
| 包络体积 envelope_volume | 35398 ų |
| 水化壳体积 shell_volume | 16310 ų |
| 包络直径 envelope_diameter | 69.5 Å |
| 壳层 Rg shell_rg | 24.58 Å |
| 包络 Rg envelope_rg | 19.56 Å |
| 形状 Rg shape_rg | 16.10 Å |
| 总 Rg total_rg | 16.29 Å |
| 总原子数 total_atoms | 56592 |
| 残基数 n_residues | 3348 |
| 球谐函数阶数 n_harmonics | 20 |
| q 范围 q_range | — – 0.5000 Å−1 |
| 数据点数 n_points | 101 |
| 壳层类型 shell_type | directional |
| 溶剂电子密度 solvent_density | 0.3340 e/ų |
| 壳层衬度 contrast_shell | 0.0300 e/ų |
| CRYSOL 版本 crysol_version | 4.1.3 |
3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 44.7 Å |
| Rg (实空间) rg_real | 15.76 Å |
| Rg 误差 (实空间) rg_real_error | 0.07 Å |
| I(0) (实空间) i0_real | 2.1160e+09 |
| I(0) 误差 (实空间) i0_real_error | 1.6400e+07 |
| Rg (倒空间) rg_reciprocal | 16.70 Å |
| I(0) (倒空间) i0_reciprocal | 2220000000.0000 |
| 解质量估计 total_estimate | 0.6782 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 16.2 Å |
| 偏度 Skewness skewness | 0.359 |
| 峰度 Kurtosis kurtosis | -0.459 |
| 角度范围 angular_range | — – 0.4800 Å−1 |
| 当前正则化参数 α current_alpha | 5.5110 |
| 最高正则化参数 α highest_alpha | 524800.0000 |
| 实空间数据点数 n_real_points | 78 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.001; Oscil: 0.961; Stabil: 0.980; Sysdev: 0.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.000 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (1)
6. 折叠分类 (SCOP + CATH) 4 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1qeya_ |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.2 — Tetramerization domain of the Mnt repressor |
| 超家族 Superfamily superfamily | h.2.1 — Tetramerization domain of the Mnt repressor |
| 家族 Family family | h.2.1.1 — Tetramerization domain of the Mnt repressor |
| 结构域编号 domain_id | d1qeyb_ |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.2 — Tetramerization domain of the Mnt repressor |
| 超家族 Superfamily superfamily | h.2.1 — Tetramerization domain of the Mnt repressor |
| 家族 Family family | h.2.1.1 — Tetramerization domain of the Mnt repressor |
| 结构域编号 domain_id | d1qeyc_ |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.2 — Tetramerization domain of the Mnt repressor |
| 超家族 Superfamily superfamily | h.2.1 — Tetramerization domain of the Mnt repressor |
| 家族 Family family | h.2.1.1 — Tetramerization domain of the Mnt repressor |
| 结构域编号 domain_id | d1qeyd_ |
| 类 Class class | h — Coiled coil proteins |
| 折叠类型 Fold fold | h.2 — Tetramerization domain of the Mnt repressor |
| 超家族 Superfamily superfamily | h.2.1 — Tetramerization domain of the Mnt repressor |
| 家族 Family family | h.2.1.1 — Tetramerization domain of the Mnt repressor |