1fnv

STRUCTURE OF STREPTOCOCCAL PYROGENIC EXOTOXIN A

Method: X-RAY DIFFRACTION Dmax: 99.4 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1fnv

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1fnv
沉积日期 deposition_date2000-08-23
结构标题 titleSTRUCTURE OF STREPTOCOCCAL PYROGENIC EXOTOXIN A
关键词 keywordsExotoxin A, superantigen, toxin; 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_guinier31.26
回转半径 Rg (电子) rg_electron30.94
零角强度 I(0) i0176436000.00
分子量 molecular_weight105100.0 kDa
排除体积 excluded_volume130600 ų
包络体积 envelope_volume169950 ų
水化壳体积 shell_volume45024 ų
包络直径 envelope_diameter99.0
壳层 Rg shell_rg38.86
包络 Rg envelope_rg30.87
形状 Rg shape_rg31.02
总 Rg total_rg31.32
总原子数 total_atoms7308
残基数 n_residues884
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 dmax99.4
Rg (实空间) rg_real31.11
Rg 误差 (实空间) rg_real_error0.44
I(0) (实空间) i0_real1.7640e+08
I(0) 误差 (实空间) i0_real_error2.5570e+06
Rg (倒空间) rg_reciprocal31.18
I(0) (倒空间) i0_reciprocal176400000.0000
解质量估计 total_estimate0.8929
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary39.0
偏度 Skewness skewness0.218
峰度 Kurtosis kurtosis-0.369
角度范围 angular_range— – 0.2550 −1
当前正则化参数 α current_alpha0.0001
最高正则化参数 α highest_alpha28730000.0000
实空间数据点数 n_real_points52
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.889; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.939

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) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_idd1fnva1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd1fnva2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd1fnvb1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd1fnvb2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd1fnvc1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd1fnvc2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain
结构域编号 domain_idd1fnvd1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.2 — Bacterial enterotoxins
家族 Family familyb.40.2.2 — Superantigen toxins, N-terminal domain
结构域编号 domain_idd1fnvd2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamilyd.15.6 — Superantigen toxins, C-terminal domain
家族 Family familyd.15.6.1 — Superantigen toxins, C-terminal domain

CATH v4.4 (8 domains)

结构域编号 domain_id1fnvA01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110
结构域编号 domain_id1fnvA02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120
结构域编号 domain_id1fnvB01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110
结构域编号 domain_id1fnvB02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120
结构域编号 domain_id1fnvC01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110
结构域编号 domain_id1fnvC02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120
结构域编号 domain_id1fnvD01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily110
结构域编号 domain_id1fnvD02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily120

7. 引用文献 (1)

8. 文件与曲线 (10)