1s4y

Crystal structure of the activin/actrIIb extracellular domain

Method: X-RAY DIFFRACTION Dmax: 86.3 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1s4y

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1s4y
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1s4y
沉积日期 deposition_date2004-01-19
结构标题 titleCrystal structure of the activin/actrIIb extracellular domain
关键词 keywordsstructural genomics, JCSG, transferase, PSI, Protein Structure Initiative, Joint Center for Structural Genomics; TRANSFERASE
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_guinier26.36
回转半径 Rg (电子) rg_electron25.65
零角强度 I(0) i037807100.00
分子量 molecular_weight44470.0 kDa
排除体积 excluded_volume54165 ų
包络体积 envelope_volume74564 ų
水化壳体积 shell_volume24828 ų
包络直径 envelope_diameter90.7
壳层 Rg shell_rg32.13
包络 Rg envelope_rg25.13
形状 Rg shape_rg25.71
总 Rg total_rg26.17
总原子数 total_atoms3102
残基数 n_residues393
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 dmax86.3
Rg (实空间) rg_real26.32
Rg 误差 (实空间) rg_real_error0.52
I(0) (实空间) i0_real3.7810e+07
I(0) 误差 (实空间) i0_real_error5.3230e+05
Rg (倒空间) rg_reciprocal26.34
I(0) (倒空间) i0_reciprocal37810000.0000
解质量估计 total_estimate0.7027
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary31.6
偏度 Skewness skewness0.218
峰度 Kurtosis kurtosis-0.534
角度范围 angular_range— – 0.3000 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha4567000.0000
实空间数据点数 n_real_points61
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.922; Stabil: 1.000; Sysdev: 0.145; Positv: 1.000; Valcen: 0.965; Smooth: 0.966

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) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1s4ya_
类 Class classg — Small proteins
折叠类型 Fold foldg.7 — Snake toxin-like
超家族 Superfamily superfamilyg.7.1 — Snake toxin-like
家族 Family familyg.7.1.3 — Extracellular domain of cell surface receptors
结构域编号 domain_idd1s4yb_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta
结构域编号 domain_idd1s4yc_
类 Class classg — Small proteins
折叠类型 Fold foldg.7 — Snake toxin-like
超家族 Superfamily superfamilyg.7.1 — Snake toxin-like
家族 Family familyg.7.1.3 — Extracellular domain of cell surface receptors
结构域编号 domain_idd1s4yd_
类 Class classg — Small proteins
折叠类型 Fold foldg.17 — Cystine-knot cytokines
超家族 Superfamily superfamilyg.17.1 — Cystine-knot cytokines
家族 Family familyg.17.1.2 — Transforming growth factor (TGF)-beta

CATH v4.4 (4 domains)

结构域编号 domain_id1s4yA00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology60 — CD59
同源超家族 H-superfamily homologous superfamily10 — CD59
结构域编号 domain_id1s4yB00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines
结构域编号 domain_id1s4yC00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology60 — CD59
同源超家族 H-superfamily homologous superfamily10 — CD59
结构域编号 domain_id1s4yD00
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology90 — Cystine Knot Cytokines, subunit B
同源超家族 H-superfamily homologous superfamily10 — Cystine-knot cytokines

7. 引用文献 (1)

8. 文件与曲线 (10)