1ib8
SOLUTION STRUCTURE AND FUNCTION OF A CONSERVED PROTEIN SP14.3 ENCODED BY AN ESSENTIAL STREPTOCOCCUS PNEUMONIAE GENE
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 | 1ib8 |
| 沉积日期 deposition_date | 2001-03-27 |
| 结构标题 title | SOLUTION STRUCTURE AND FUNCTION OF A CONSERVED PROTEIN SP14.3 ENCODED BY AN ESSENTIAL STREPTOCOCCUS PNEUMONIAE GENE |
| 关键词 keywords | NUCLEIC ACID BINDING PROTEIN, RIBOSOMAL PROTEIN, ESSENTIAL GENE, STRUCTURAL GENOMICS; NUCLEIC ACID BINDING PROTEIN |
| 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 | 22.12 Å |
| 回转半径 Rg (电子) rg_electron | 21.42 Å |
| 零角强度 I(0) i0 | 5486450.00 |
| 分子量 molecular_weight | 18163.0 kDa |
| 排除体积 excluded_volume | 23250 ų |
| 包络体积 envelope_volume | 31603 ų |
| 水化壳体积 shell_volume | 13474 ų |
| 包络直径 envelope_diameter | 71.5 Å |
| 壳层 Rg shell_rg | 25.75 Å |
| 包络 Rg envelope_rg | 21.15 Å |
| 形状 Rg shape_rg | 21.39 Å |
| 总 Rg total_rg | 22.26 Å |
| 总原子数 total_atoms | 2593 |
| 残基数 n_residues | 164 |
| 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 | 71.4 Å |
| Rg (实空间) rg_real | 22.28 Å |
| Rg 误差 (实空间) rg_real_error | 0.48 Å |
| I(0) (实空间) i0_real | 5.4860e+06 |
| I(0) 误差 (实空间) i0_real_error | 7.8570e+04 |
| Rg (倒空间) rg_reciprocal | 22.26 Å |
| I(0) (倒空间) i0_reciprocal | 5486000.0000 |
| 解质量估计 total_estimate | 0.8499 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 19.2 Å |
| 偏度 Skewness skewness | 0.368 |
| 峰度 Kurtosis kurtosis | -0.684 |
| 角度范围 angular_range | — – 0.3600 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 1461000.0000 |
| 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: 0.799; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.722; Smooth: 0.926 |
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 (2 domains)
| 结构域编号 domain_id | d1ib8a1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.38 — Sm-like fold |
| 超家族 Superfamily superfamily | b.38.2 — YhbC-like, C-terminal domain |
| 家族 Family family | b.38.2.1 — YhbC-like, C-terminal domain |
| 结构域编号 domain_id | d1ib8a2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.52 — Alpha-lytic protease prodomain-like |
| 超家族 Superfamily superfamily | d.52.4 — YhbC-like, N-terminal domain |
| 家族 Family family | d.52.4.1 — YhbC-like, N-terminal domain |
CATH v4.4 (2 domains)
| 结构域编号 domain_id | 1ib8A01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 300 — GMP Synthetase; Chain A, domain 3 |
| 同源超家族 H-superfamily homologous superfamily | 70 — RimP-like superfamily, N-terminal |
| 结构域编号 domain_id | 1ib8A02 |
| 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 | 180 — Ribosome maturation factor RimP, C-terminal domain |