1wqj

Structural Basis for the Regulation of Insulin-Like Growth Factors (IGFs) by IGF Binding Proteins (IGFBPs)

Method: X-RAY DIFFRACTION Dmax: 64.7 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1wqj

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1wqj
沉积日期 deposition_date2004-09-29
结构标题 titleStructural Basis for the Regulation of Insulin-Like Growth Factors (IGFs) by IGF Binding Proteins (IGFBPs)
关键词 keywordsPROTEIN-PROTEIN COMPLEX, DISULFIDE RICH, DISULFIDE BOND LADDER, PROTEIN BINDING-HORMONE-GROWTH FACTOR COMPLEX; PROTEIN BINDING/HORMONE/GROWTH FACTOR
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_guinier17.51
回转半径 Rg (电子) rg_electron16.73
零角强度 I(0) i04947590.00
分子量 molecular_weight14905.0 kDa
排除体积 excluded_volume18195 ų
包络体积 envelope_volume22852 ų
水化壳体积 shell_volume12375 ų
包络直径 envelope_diameter64.5
壳层 Rg shell_rg21.50
包络 Rg envelope_rg17.47
形状 Rg shape_rg16.76
总 Rg total_rg17.53
总原子数 total_atoms1028
残基数 n_residues142
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 dmax64.7
Rg (实空间) rg_real17.60
Rg 误差 (实空间) rg_real_error0.62
I(0) (实空间) i0_real4.9480e+06
I(0) 误差 (实空间) i0_real_error6.5710e+04
Rg (倒空间) rg_reciprocal17.59
I(0) (倒空间) i0_reciprocal4948000.0000
解质量估计 total_estimate0.8158
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary19.9
偏度 Skewness skewness0.525
峰度 Kurtosis kurtosis0.105
角度范围 angular_range— – 0.4550 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha550400.0000
实空间数据点数 n_real_points76
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.644; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.768; Smooth: 0.903

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) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1wqjb1
类 Class classg — Small proteins
折叠类型 Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
超家族 Superfamily superfamilyg.3.9 — Growth factor receptor domain
家族 Family familyg.3.9.1 — Growth factor receptor domain
结构域编号 domain_idd1wqji_
类 Class classg — Small proteins
折叠类型 Fold foldg.1 — Insulin-like
超家族 Superfamily superfamilyg.1.1 — Insulin-like
家族 Family familyg.1.1.1 — Insulin-like

CATH v4.4 (2 domains)

结构域编号 domain_id1wqjB01
类 Class class4 — Few Secondary Structures
架构 Architecture architecture10 — Irregular
拓扑 Topology topology40 — Omega-AgatoxinV
同源超家族 H-superfamily homologous superfamily20
结构域编号 domain_id1wqjI00
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology100 — Insulin-like, subunit E
同源超家族 H-superfamily homologous superfamily10 — Insulin-like

7. 引用文献 (1)

8. 文件与曲线 (10)