1otp
STRUCTURAL AND THEORETICAL STUDIES SUGGEST DOMAIN MOVEMENT PRODUCES AN ACTIVE CONFORMATION OF THYMIDINE PHOSPHORYLASE
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 | 1otp |
| 沉积日期 deposition_date | 1997-11-09 |
| 结构标题 title | STRUCTURAL AND THEORETICAL STUDIES SUGGEST DOMAIN MOVEMENT PRODUCES AN ACTIVE CONFORMATION OF THYMIDINE PHOSPHORYLASE |
| 关键词 keywords | PHOSPHORYLASE, PYRIMIDINE METABOLISM, SALVAGE PATHWAY, DOMAIN MOVEMENT, TRANSFERASE, GLYCOSYLTRANSFERASE; PHOSPHORYLASE |
| 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 | 23.36 Å |
| 回转半径 Rg (电子) rg_electron | 22.39 Å |
| 零角强度 I(0) i0 | 37744500.00 |
| 分子量 molecular_weight | 47178.0 kDa |
| 排除体积 excluded_volume | 59010 ų |
| 包络体积 envelope_volume | 68823 ų |
| 水化壳体积 shell_volume | 25732 ų |
| 包络直径 envelope_diameter | 80.0 Å |
| 壳层 Rg shell_rg | 29.41 Å |
| 包络 Rg envelope_rg | 22.49 Å |
| 形状 Rg shape_rg | 22.42 Å |
| 总 Rg total_rg | 23.09 Å |
| 总原子数 total_atoms | 3306 |
| 残基数 n_residues | 440 |
| 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 | 75.9 Å |
| Rg (实空间) rg_real | 23.27 Å |
| Rg 误差 (实空间) rg_real_error | 0.51 Å |
| I(0) (实空间) i0_real | 3.7740e+07 |
| I(0) 误差 (实空间) i0_real_error | 5.5030e+05 |
| Rg (倒空间) rg_reciprocal | 23.29 Å |
| I(0) (倒空间) i0_reciprocal | 37750000.0000 |
| 解质量估计 total_estimate | 0.6396 |
| 解质量评级 solution_quality | REASONABLE a REASONABLE solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 28.0 Å |
| 偏度 Skewness skewness | 0.238 |
| 峰度 Kurtosis kurtosis | -0.401 |
| 角度范围 angular_range | — – 0.3400 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 9340000.0000 |
| 实空间数据点数 n_real_points | 66 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.881; Stabil: 1.000; Sysdev: 0.223; Positv: 1.000; Valcen: 1.000; 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) 7 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1otpa1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.46 — Methionine synthase domain-like |
| 超家族 Superfamily superfamily | a.46.2 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain |
| 家族 Family family | a.46.2.1 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain |
| 结构域编号 domain_id | d1otpa2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.27 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain |
| 超家族 Superfamily superfamily | c.27.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain |
| 家族 Family family | c.27.1.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain |
| 结构域编号 domain_id | d1otpa3 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.41 — alpha/beta-Hammerhead |
| 超家族 Superfamily superfamily | d.41.3 — Pyrimidine nucleoside phosphorylase C-terminal domain |
| 家族 Family family | d.41.3.1 — Pyrimidine nucleoside phosphorylase C-terminal domain |
| 结构域编号 domain_id | d1otpa4 |
| 类 Class class | l — Artifacts |
| 折叠类型 Fold fold | l.1 — Tags |
| 超家族 Superfamily superfamily | l.1.1 — Tags |
| 家族 Family family | l.1.1.1 — Tags |
CATH v4.4 (3 domains)
| 结构域编号 domain_id | 1otpA01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 970 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain A, domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain C |
| 结构域编号 domain_id | 1otpA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 40 — 3-Layer(aba) Sandwich |
| 拓扑 Topology topology | 1030 — Pyrimidine Nucleoside Phosphorylase; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain |
| 结构域编号 domain_id | 1otpA03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 1170 — Aldehyde Oxidoreductase; domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 30 — Pyrimidine nucleoside phosphorylase-like, C-terminal domain |