1sr4

Crystal Structure of the Haemophilus ducreyi cytolethal distending toxin

Method: X-RAY DIFFRACTION Dmax: 75.4 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 1sr4

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1sr4
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1sr4
沉积日期 deposition_date2004-03-22
结构标题 titleCrystal Structure of the Haemophilus ducreyi cytolethal distending toxin
关键词 keywords;toxin, bacterial, Haemophilus ducreyi, virulence, DNA Damage, genotoxin, cytotoxins, Cell Cycle, Apoptosis, lectin, Deoxyribonuclease I ;; TOXIN
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_guinier25.14
回转半径 Rg (电子) rg_electron23.92
零角强度 I(0) i080069200.00
分子量 molecular_weight66357.0 kDa
排除体积 excluded_volume81006 ų
包络体积 envelope_volume94125 ų
水化壳体积 shell_volume31784 ų
包络直径 envelope_diameter78.5
壳层 Rg shell_rg32.10
包络 Rg envelope_rg24.16
形状 Rg shape_rg23.84
总 Rg total_rg24.96
总原子数 total_atoms4562
残基数 n_residues579
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 dmax75.4
Rg (实空间) rg_real25.00
Rg 误差 (实空间) rg_real_error0.29
I(0) (实空间) i0_real8.0070e+07
I(0) 误差 (实空间) i0_real_error1.0620e+06
Rg (倒空间) rg_reciprocal25.04
I(0) (倒空间) i0_reciprocal80070000.0000
解质量估计 total_estimate0.9111
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary29.9
偏度 Skewness skewness0.150
峰度 Kurtosis kurtosis-0.515
角度范围 angular_range— – 0.3150 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha10610000.0000
实空间数据点数 n_real_points64
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.954; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.989; Smooth: 0.988

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) 6 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd1sr4a_
类 Class classb — All beta proteins
折叠类型 Fold foldb.42 — beta-Trefoil
超家族 Superfamily superfamilyb.42.2 — Ricin B-like lectins
家族 Family familyb.42.2.1 — Ricin B-like
结构域编号 domain_idd1sr4b_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.151 — DNase I-like
超家族 Superfamily superfamilyd.151.1 — DNase I-like
家族 Family familyd.151.1.1 — DNase I-like
结构域编号 domain_idd1sr4c_
类 Class classb — All beta proteins
折叠类型 Fold foldb.42 — beta-Trefoil
超家族 Superfamily superfamilyb.42.2 — Ricin B-like lectins
家族 Family familyb.42.2.1 — Ricin B-like

CATH v4.4 (3 domains)

结构域编号 domain_id1sr4A00
类 Class class2 — Mainly Beta
架构 Architecture architecture80 — Trefoil
拓扑 Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily50
结构域编号 domain_id1sr4B00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology10 — Deoxyribonuclease I; Chain A
同源超家族 H-superfamily homologous superfamily10 — Endonuclease/exonuclease/phosphatase
结构域编号 domain_id1sr4C00
类 Class class2 — Mainly Beta
架构 Architecture architecture80 — Trefoil
拓扑 Topology topology10 — Trefoil (Acidic Fibroblast Growth Factor, subunit A)
同源超家族 H-superfamily homologous superfamily50

7. 引用文献 (1)

8. 文件与曲线 (10)