1ujw

Structure of the complex between BtuB and Colicin E3 Receptor binding domain

Method: X-RAY DIFFRACTION Dmax: 89.8 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1ujw

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1ujw
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1ujw
沉积日期 deposition_date2003-08-12
结构标题 titleStructure of the complex between BtuB and Colicin E3 Receptor binding domain
关键词 keywordsbeta-barrel, coiled-coil, TRANSPORT PROTEIN-HYDROLASE COMPLEX; TRANSPORT PROTEIN/HYDROLASE
实验方法 methodX-RAY DIFFRACTION

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier30.96
回转半径 Rg (电子) rg_electron31.34
零角强度 I(0) i0106483000.00
分子量 molecular_weight80729.0 kDa
排除体积 excluded_volume100590 ų
包络体积 envelope_volume131070 ų
水化壳体积 shell_volume37615 ų
包络直径 envelope_diameter138.0
壳层 Rg shell_rg35.36
包络 Rg envelope_rg33.77
形状 Rg shape_rg31.31
总 Rg total_rg31.79
总原子数 total_atoms5704
残基数 n_residues692
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax89.8
Rg (实空间) rg_real27.99
Rg 误差 (实空间) rg_real_error0.30
I(0) (实空间) i0_real1.0100e+08
I(0) 误差 (实空间) i0_real_error1.3740e+06
Rg (倒空间) rg_reciprocal31.40
I(0) (倒空间) i0_reciprocal106500000.0000
解质量估计 total_estimate0.6397
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary33.4
偏度 Skewness skewness0.583
峰度 Kurtosis kurtosis0.323
角度范围 angular_range— – 0.2550 −1
当前正则化参数 α current_alpha0.7136
最高正则化参数 α highest_alpha13050000.0000
实空间数据点数 n_real_points52
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.001; Oscil: 0.770; Stabil: 0.985; Sysdev: 0.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.131

4. 晶体学与实验 4. Crystallography & Experiment

5. 实体与聚合体信息 (8)

6. 折叠分类 (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1ujwa_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.4 — Transmembrane beta-barrels
超家族 Superfamily superfamilyf.4.3 — Porins
家族 Family familyf.4.3.3 — Ligand-gated protein channel
结构域编号 domain_idd1ujwb_
类 Class classh — Coiled coil proteins
折叠类型 Fold foldh.4 — Antiparallel coiled-coil
超家族 Superfamily superfamilyh.4.9 — Colicin E3 receptor domain
家族 Family familyh.4.9.1 — Colicin E3 receptor domain

CATH v4.4 (3 domains)

结构域编号 domain_id1ujwA01
类 Class class2 — Mainly Beta
架构 Architecture architecture170 — Beta Complex
拓扑 Topology topology130 — Ferric Hydroxamate Uptake Protein; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — TonB-dependent receptor, plug domain
结构域编号 domain_id1ujwA02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology170 — Maltoporin; Chain A
同源超家族 H-superfamily homologous superfamily20 — TonB-dependent receptor, beta-barrel domain
结构域编号 domain_id1ujwB00
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily620 — Helix Hairpins

7. 引用文献 (1)

8. 文件与曲线 (10)