2byp

Crystal structure of Aplysia californica AChBP in complex with alpha- conotoxin ImI

Method: X-RAY DIFFRACTION Dmax: 92.2 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 2byp

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id2byp
沉积日期 deposition_date2005-08-03
结构标题 titleCrystal structure of Aplysia californica AChBP in complex with alpha- conotoxin ImI
关键词 keywordsRECEPTOR, RECEPTOR COMPLEX, NICOTINIC ACETYLCHOLINE RECEPTOR COMPLEX, CONOTOXIN; RECEPTOR
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_guinier32.67
回转半径 Rg (电子) rg_electron30.96
零角强度 I(0) i0267791000.00
分子量 molecular_weight126450.0 kDa
排除体积 excluded_volume156450 ų
包络体积 envelope_volume203280 ų
水化壳体积 shell_volume51938 ų
包络直径 envelope_diameter96.9
壳层 Rg shell_rg40.30
包络 Rg envelope_rg30.14
形状 Rg shape_rg30.94
总 Rg total_rg31.84
总原子数 total_atoms8879
残基数 n_residues1108
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 dmax92.2
Rg (实空间) rg_real32.30
Rg 误差 (实空间) rg_real_error0.43
I(0) (实空间) i0_real2.6780e+08
I(0) 误差 (实空间) i0_real_error3.6410e+06
Rg (倒空间) rg_reciprocal32.46
I(0) (倒空间) i0_reciprocal267800000.0000
解质量估计 total_estimate0.9025
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary46.1
偏度 Skewness skewness-0.107
峰度 Kurtosis kurtosis-0.628
角度范围 angular_range— – 0.2400 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha54830000.0000
实空间数据点数 n_real_points49
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.961; Smooth: 0.919

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

5. 实体与聚合体信息 (4)

6. 折叠分类 (SCOP + CATH) 5 domains

CATH v4.4 (5 domains)

结构域编号 domain_id2bypA00
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology170 — Acetylcholine Binding Protein; Chain: A,
同源超家族 H-superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
结构域编号 domain_id2bypB00
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology170 — Acetylcholine Binding Protein; Chain: A,
同源超家族 H-superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
结构域编号 domain_id2bypC00
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology170 — Acetylcholine Binding Protein; Chain: A,
同源超家族 H-superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
结构域编号 domain_id2bypD00
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology170 — Acetylcholine Binding Protein; Chain: A,
同源超家族 H-superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain
结构域编号 domain_id2bypE00
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology170 — Acetylcholine Binding Protein; Chain: A,
同源超家族 H-superfamily homologous superfamily10 — Neurotransmitter-gated ion-channel ligand-binding domain

7. 引用文献 (1)

8. 文件与曲线 (10)