1xcb
X-ray Structure of a Rex-Family Repressor/NADH Complex from Thermus Aquaticus
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 | 1xcb |
| 沉积日期 deposition_date | 2004-09-01 |
| 结构标题 title | X-ray Structure of a Rex-Family Repressor/NADH Complex from Thermus Aquaticus |
| 关键词 keywords | ;redox-sensing, winged helix, rossmann fold, Nicotinamide Adenine Dinucleotide, NAD, Rex, Thermus aquaticus, New York SGX Research Center for Structural Genomics, NYSGXRC, Structural Genomics, PSI, Protein Structure Initiative, DNA BINDING PROTEIN ;; DNA BINDING PROTEIN |
| 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 | 41.04 Å |
| 回转半径 Rg (电子) rg_electron | 40.57 Å |
| 零角强度 I(0) i0 | 356445000.00 |
| 分子量 molecular_weight | 158360.0 kDa |
| 排除体积 excluded_volume | 200150 ų |
| 包络体积 envelope_volume | 272830 ų |
| 水化壳体积 shell_volume | 56066 ų |
| 包络直径 envelope_diameter | 139.3 Å |
| 壳层 Rg shell_rg | 46.12 Å |
| 包络 Rg envelope_rg | 39.81 Å |
| 形状 Rg shape_rg | 40.57 Å |
| 总 Rg total_rg | 40.88 Å |
| 总原子数 total_atoms | 11140 |
| 残基数 n_residues | 1389 |
| 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 | 134.9 Å |
| Rg (实空间) rg_real | 40.99 Å |
| Rg 误差 (实空间) rg_real_error | 1.25 Å |
| I(0) (实空间) i0_real | 3.5640e+08 |
| I(0) 误差 (实空间) i0_real_error | 6.0240e+06 |
| Rg (倒空间) rg_reciprocal | 41.04 Å |
| I(0) (倒空间) i0_reciprocal | 356500000.0000 |
| 解质量估计 total_estimate | 0.8872 |
| 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 | 46.1 Å |
| 偏度 Skewness skewness | 0.216 |
| 峰度 Kurtosis kurtosis | -0.538 |
| 角度范围 angular_range | — – 0.1900 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 42540000.0000 |
| 实空间数据点数 n_real_points | 39 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.912; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.793 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (3)
6. 折叠分类 (SCOP + CATH) 28 domains
SCOP 2.08 (14 domains)
| 结构域编号 domain_id | d1xcba1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcba2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbb1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbb2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbc1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbc2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbd1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbd2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbe1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbe2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbf1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbf2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
| 结构域编号 domain_id | d1xcbg1 |
| 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.4.5.38 — Transcriptional repressor Rex, N-terminal domain |
| 结构域编号 domain_id | d1xcbg2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.2 — NAD(P)-binding Rossmann-fold domains |
| 超家族 Superfamily superfamily | c.2.1 — NAD(P)-binding Rossmann-fold domains |
| 家族 Family family | c.2.1.12 — Transcriptional repressor Rex, C-terminal domain |
CATH v4.4 (14 domains)
| 结构域编号 domain_id | 1xcbA01 |
| 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 | 1xcbA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbB01 |
| 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 | 1xcbB02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbC01 |
| 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 | 1xcbC02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbD01 |
| 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 | 1xcbD02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbE01 |
| 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 | 1xcbE02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbF01 |
| 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 | 1xcbF02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |
| 结构域编号 domain_id | 1xcbG01 |
| 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 | 1xcbG02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 50 — Rossmann fold |
| 同源超家族 H-superfamily homologous superfamily | 720 — NAD(P)-binding Rossmann-like Domain |