1g3w
CD-CYS102SER DTXR
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 | 1g3w |
| 沉积日期 deposition_date | 2000-10-25 |
| 结构标题 title | CD-CYS102SER DTXR |
| 关键词 keywords | DNA binding protein, iron binding protein, iron dependent regulator, GENE REGULATION; GENE REGULATION |
| 实验方法 method | X-RAY DIFFRACTION |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 21.83 Å |
| 回转半径 Rg (电子) rg_electron | 21.30 Å |
| 零角强度 I(0) i0 | 10054600.00 |
| 分子量 molecular_weight | 22808.0 kDa |
| 排除体积 excluded_volume | 28174 ų |
| 包络体积 envelope_volume | 35647 ų |
| 水化壳体积 shell_volume | 15007 ų |
| 包络直径 envelope_diameter | 70.4 Å |
| 壳层 Rg shell_rg | 26.27 Å |
| 包络 Rg envelope_rg | 21.21 Å |
| 形状 Rg shape_rg | 21.34 Å |
| 总 Rg total_rg | 21.88 Å |
| 总原子数 total_atoms | 1595 |
| 残基数 n_residues | 211 |
| 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 | 70.4 Å |
| Rg (实空间) rg_real | 21.97 Å |
| Rg 误差 (实空间) rg_real_error | 0.47 Å |
| I(0) (实空间) i0_real | 1.0050e+07 |
| I(0) 误差 (实空间) i0_real_error | 1.3130e+05 |
| Rg (倒空间) rg_reciprocal | 21.95 Å |
| I(0) (倒空间) i0_reciprocal | 10050000.0000 |
| 解质量估计 total_estimate | 0.8404 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 17.9 Å |
| 偏度 Skewness skewness | 0.362 |
| 峰度 Kurtosis kurtosis | -0.676 |
| 角度范围 angular_range | — – 0.3650 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 4343000.0000 |
| 实空间数据点数 n_real_points | 68 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.742; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.730; Smooth: 0.966 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (4)
6. 折叠分类 (SCOP + CATH) 6 domains
SCOP 2.08 (3 domains)
| 结构域编号 domain_id | d1g3wa1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.4 — DNA/RNA-binding 3-helical bundle |
| 超家族 Superfamily superfamily | a.4.5 — 'Winged helix' DNA-binding domain |
| 家族 Family family | a.4.5.24 — Iron-dependent repressor protein |
| 结构域编号 domain_id | d1g3wa2 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.76 — Iron-dependent repressor protein, dimerization domain |
| 超家族 Superfamily superfamily | a.76.1 — Iron-dependent repressor protein, dimerization domain |
| 家族 Family family | a.76.1.1 — Iron-dependent repressor protein, dimerization domain |
| 结构域编号 domain_id | d1g3wa3 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.34 — SH3-like barrel |
| 超家族 Superfamily superfamily | b.34.1 — C-terminal domain of transcriptional repressors |
| 家族 Family family | b.34.1.2 — FeoA-like |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 1g3wA01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 10 — Arc Repressor Mutant, subunit A |
| 同源超家族 H-superfamily homologous superfamily | 10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain |
| 结构域编号 domain_id | 1g3wA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 10 — Orthogonal Bundle |
| 拓扑 Topology topology | 60 — Diphtheria Toxin Repressor; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Iron dependent repressor, metal binding and dimerisation domain |
| 结构域编号 domain_id | 1g3wA03 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 30 — Roll |
| 拓扑 Topology topology | 30 — SH3 type barrels. |
| 同源超家族 H-superfamily homologous superfamily | 90 — Ferrous iron transport protein A (FeoA) |