1rj9
Structure of the heterodimer of the conserved GTPase domains of the Signal Recognition Particle (Ffh) and Its Receptor (FtsY)
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 | 1rj9 |
| 沉积日期 deposition_date | 2003-11-18 |
| 结构标题 title | Structure of the heterodimer of the conserved GTPase domains of the Signal Recognition Particle (Ffh) and Its Receptor (FtsY) |
| 关键词 keywords | SRP-GTPase DOMAIN, HETERODIMER, NUCLEOTIDE TWINNING, Protein-Protein complex, PROTEIN TRANSPORT; PROTEIN TRANSPORT |
| 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 | 25.80 Å |
| 回转半径 Rg (电子) rg_electron | 24.96 Å |
| 零角强度 I(0) i0 | 61564100.00 |
| 分子量 molecular_weight | 61386.0 kDa |
| 排除体积 excluded_volume | 77120 ų |
| 包络体积 envelope_volume | 91386 ų |
| 水化壳体积 shell_volume | 30427 ų |
| 包络直径 envelope_diameter | 88.5 Å |
| 壳层 Rg shell_rg | 32.50 Å |
| 包络 Rg envelope_rg | 25.44 Å |
| 形状 Rg shape_rg | 24.97 Å |
| 总 Rg total_rg | 25.73 Å |
| 总原子数 total_atoms | 4308 |
| 残基数 n_residues | 559 |
| 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 | 86.5 Å |
| Rg (实空间) rg_real | 25.76 Å |
| Rg 误差 (实空间) rg_real_error | 0.56 Å |
| I(0) (实空间) i0_real | 6.1560e+07 |
| I(0) 误差 (实空间) i0_real_error | 8.5700e+05 |
| Rg (倒空间) rg_reciprocal | 25.78 Å |
| I(0) (倒空间) i0_reciprocal | 61560000.0000 |
| 解质量估计 total_estimate | 0.8825 |
| 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 | 29.3 Å |
| 偏度 Skewness skewness | 0.317 |
| 峰度 Kurtosis kurtosis | -0.371 |
| 角度范围 angular_range | — – 0.3100 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 18370000.0000 |
| 实空间数据点数 n_real_points | 63 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.838; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.958 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (5)
6. 折叠分类 (SCOP + CATH) 8 domains
SCOP 2.08 (4 domains)
| 结构域编号 domain_id | d1rj9a1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.24 — Four-helical up-and-down bundle |
| 超家族 Superfamily superfamily | a.24.13 — Domain of the SRP/SRP receptor G-proteins |
| 家族 Family family | a.24.13.1 — Domain of the SRP/SRP receptor G-proteins |
| 结构域编号 domain_id | d1rj9a2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.37 — P-loop containing nucleoside triphosphate hydrolases |
| 超家族 Superfamily superfamily | c.37.1 — P-loop containing nucleoside triphosphate hydrolases |
| 家族 Family family | c.37.1.10 — Nitrogenase iron protein-like |
| 结构域编号 domain_id | d1rj9b1 |
| 类 Class class | a — All alpha proteins |
| 折叠类型 Fold fold | a.24 — Four-helical up-and-down bundle |
| 超家族 Superfamily superfamily | a.24.13 — Domain of the SRP/SRP receptor G-proteins |
| 家族 Family family | a.24.13.1 — Domain of the SRP/SRP receptor G-proteins |
| 结构域编号 domain_id | d1rj9b2 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.37 — P-loop containing nucleoside triphosphate hydrolases |
| 超家族 Superfamily superfamily | c.37.1 — P-loop containing nucleoside triphosphate hydrolases |
| 家族 Family family | c.37.1.10 — Nitrogenase iron protein-like |
CATH v4.4 (4 domains)
| 结构域编号 domain_id | 1rj9A01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 120 — Four Helix Bundle (Hemerythrin (Met), subunit A) |
| 同源超家族 H-superfamily homologous superfamily | 140 — SRP54, nucleotide-binding domain |
| 结构域编号 domain_id | 1rj9A02 |
| 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 | 300 — P-loop containing nucleotide triphosphate hydrolases |
| 结构域编号 domain_id | 1rj9B01 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 120 — Four Helix Bundle (Hemerythrin (Met), subunit A) |
| 同源超家族 H-superfamily homologous superfamily | 140 — SRP54, nucleotide-binding domain |
| 结构域编号 domain_id | 1rj9B02 |
| 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 | 300 — P-loop containing nucleotide triphosphate hydrolases |