1yi5

Crystal structure of the a-cobratoxin-AChBP complex

Method: X-RAY DIFFRACTION Dmax: 119.2 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1yi5

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1yi5
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1yi5
沉积日期 deposition_date2005-01-11
结构标题 titleCrystal structure of the a-cobratoxin-AChBP complex
关键词 keywordsacetylcholine binding protein, snake three-fingered alpha-neurotoxin, 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_guinier36.96
回转半径 Rg (电子) rg_electron35.48
零角强度 I(0) i0381810000.00
分子量 molecular_weight151850.0 kDa
排除体积 excluded_volume187700 ų
包络体积 envelope_volume256840 ų
水化壳体积 shell_volume58890 ų
包络直径 envelope_diameter125.8
壳层 Rg shell_rg42.78
包络 Rg envelope_rg35.21
形状 Rg shape_rg35.37
总 Rg total_rg36.34
总原子数 total_atoms10648
残基数 n_residues1356
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 dmax119.2
Rg (实空间) rg_real36.81
Rg 误差 (实空间) rg_real_error0.93
I(0) (实空间) i0_real3.8180e+08
I(0) 误差 (实空间) i0_real_error6.4900e+06
Rg (倒空间) rg_reciprocal36.90
I(0) (倒空间) i0_reciprocal381800000.0000
解质量估计 total_estimate0.8720
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary47.1
偏度 Skewness skewness0.271
峰度 Kurtosis kurtosis-0.167
角度范围 angular_range— – 0.2150 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha35980000.0000
实空间数据点数 n_real_points44
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.993; Smooth: 0.816

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) 10 domains

SCOP 2.08 (10 domains)

结构域编号 domain_idd1yi5a1
类 Class classb — All beta proteins
折叠类型 Fold foldb.96 — Nicotinic receptor ligand binding domain-like
超家族 Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
家族 Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
结构域编号 domain_idd1yi5b1
类 Class classb — All beta proteins
折叠类型 Fold foldb.96 — Nicotinic receptor ligand binding domain-like
超家族 Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
家族 Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
结构域编号 domain_idd1yi5c1
类 Class classb — All beta proteins
折叠类型 Fold foldb.96 — Nicotinic receptor ligand binding domain-like
超家族 Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
家族 Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
结构域编号 domain_idd1yi5d1
类 Class classb — All beta proteins
折叠类型 Fold foldb.96 — Nicotinic receptor ligand binding domain-like
超家族 Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
家族 Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
结构域编号 domain_idd1yi5e1
类 Class classb — All beta proteins
折叠类型 Fold foldb.96 — Nicotinic receptor ligand binding domain-like
超家族 Superfamily superfamilyb.96.1 — Nicotinic receptor ligand binding domain-like
家族 Family familyb.96.1.1 — Nicotinic receptor ligand binding domain-like
结构域编号 domain_idd1yi5f1
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.7.1.1 — Snake venom toxins
结构域编号 domain_idd1yi5g1
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.7.1.1 — Snake venom toxins
结构域编号 domain_idd1yi5h1
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.7.1.1 — Snake venom toxins
结构域编号 domain_idd1yi5i1
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.7.1.1 — Snake venom toxins
结构域编号 domain_idd1yi5j1
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.7.1.1 — Snake venom toxins

7. 引用文献 (1)

8. 文件与曲线 (10)