2fj8

High resolution structure of barley Bowman-Birk inhibitor

Method: X-RAY DIFFRACTION Dmax: 58.8 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 2fj8

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2fj8
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id2fj8
沉积日期 deposition_date2006-01-02
结构标题 titleHigh resolution structure of barley Bowman-Birk inhibitor
关键词 keywordsall-beta, Hydrolase Inhibitor; Hydrolase Inhibitor
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_guinier16.74
回转半径 Rg (电子) rg_electron16.21
零角强度 I(0) i04203090.00
分子量 molecular_weight13391.0 kDa
排除体积 excluded_volume16255 ų
包络体积 envelope_volume20679 ų
水化壳体积 shell_volume11432 ų
包络直径 envelope_diameter56.4
壳层 Rg shell_rg20.96
包络 Rg envelope_rg16.47
形状 Rg shape_rg16.22
总 Rg total_rg17.06
总原子数 total_atoms918
残基数 n_residues120
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 dmax58.8
Rg (实空间) rg_real16.77
Rg 误差 (实空间) rg_real_error0.46
I(0) (实空间) i0_real4.2030e+06
I(0) 误差 (实空间) i0_real_error5.8690e+04
Rg (倒空间) rg_reciprocal16.77
I(0) (倒空间) i0_reciprocal4203000.0000
解质量估计 total_estimate0.6550
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary17.6
偏度 Skewness skewness0.356
峰度 Kurtosis kurtosis-0.347
角度范围 angular_range— – 0.4750 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha602100.0000
实空间数据点数 n_real_points78
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.822; Stabil: 1.000; Sysdev: 0.394; Positv: 1.000; Valcen: 0.863; Smooth: 0.000

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

5. 实体与聚合体信息 (2)

6. 折叠分类 (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd2fj8a1
类 Class classg — Small proteins
折叠类型 Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
超家族 Superfamily superfamilyg.3.13 — Bowman-Birk inhibitor, BBI
家族 Family familyg.3.13.1 — Bowman-Birk inhibitor, BBI
结构域编号 domain_idd2fj8a2
类 Class classg — Small proteins
折叠类型 Fold foldg.3 — Knottins (small inhibitors, toxins, lectins)
超家族 Superfamily superfamilyg.3.13 — Bowman-Birk inhibitor, BBI
家族 Family familyg.3.13.1 — Bowman-Birk inhibitor, BBI

CATH v4.4 (2 domains)

结构域编号 domain_id2fj8A01
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology69 — Cysteine Protease (Bromelain) Inhibitor, subunit H
同源超家族 H-superfamily homologous superfamily10 — Cysteine Protease (Bromelain) Inhibitor, subunit H
结构域编号 domain_id2fj8A02
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology69 — Cysteine Protease (Bromelain) Inhibitor, subunit H
同源超家族 H-superfamily homologous superfamily10 — Cysteine Protease (Bromelain) Inhibitor, subunit H

7. 引用文献 (1)

8. 文件与曲线 (10)