2xz6

MTSET-modified Y53C mutant of Aplysia AChBP

Method: X-RAY DIFFRACTION Dmax: 158.0 Å Quality: GOOD

1. 蛋白身份与相关结构 Protein Identity & Related Structures

SOLUBLE ACETYLCHOLINE RECEPTOR

APLYSIA CALIFORNICA

UniProt Q8WSF8

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白同源多聚体 同源多聚体 蛋白 × 5 PDB 声明:pentameric(5) 与蛋白拷贝数一致 链 F; UniProt 20–236 链 G; UniProt 20–236 链 H; UniProt 20–236 链 I; UniProt 20–236 链 J; UniProt 20–236 片段:RESIDUES 20-236 突变:YES ETM 2-(TRIMETHYLAMMONIUM)ETHYL THIOL × 5 X-RAY DIFFRACTION X-ray结晶条件:150 MM KSCN, BISTRISPROPANE PH 8.5, 14% PEG 3350. 分辨率 3.14 Å R-free 0.236
2 蛋白同源多聚体 同源多聚体 蛋白 × 5 PDB 声明:pentameric(5) 与蛋白拷贝数一致 链 A; UniProt 20–236 链 B; UniProt 20–236 链 C; UniProt 20–236 链 D; UniProt 20–236 链 E; UniProt 20–236 片段:RESIDUES 20-236 突变:YES ETM 2-(TRIMETHYLAMMONIUM)ETHYL THIOL × 5 X-RAY DIFFRACTION X-ray结晶条件:150 MM KSCN, BISTRISPROPANE PH 8.5, 14% PEG 3350. 分辨率 3.14 Å R-free 0.236

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 85 个其他 PDB 条目、119 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 Q8WSF8_APLCA
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–217; UniProt 20–236 作者链 B; PDB构建体 1–217; UniProt 20–236 作者链 C; PDB构建体 1–217; UniProt 20–236 作者链 D; PDB构建体 1–217; UniProt 20–236 作者链 E; PDB构建体 1–217; UniProt 20–236 作者链 F; PDB构建体 1–217; UniProt 20–236 作者链 G; PDB构建体 1–217; UniProt 20–236 作者链 H; PDB构建体 1–217; UniProt 20–236 作者链 I; PDB构建体 1–217; UniProt 20–236 作者链 J; PDB构建体 1–217; UniProt 20–236

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中;数据库内部编号、导入时间和 assembly 操作表达式仅用于维护,因此不在读者页面展示。

SAXS 散射曲线 SAXS Profile

SAXS profile for 2xz6

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2xz6
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id2xz6
沉积日期 deposition_date2010-11-23
结构标题 titleMTSET-modified Y53C mutant of Aplysia AChBP
关键词 keywordsRECEPTOR; RECEPTOR
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier48.25
回转半径 Rg (电子) rg_electron48.13
零角强度 I(0) i0806458000.00
分子量 molecular_weight233200.0 kDa
排除体积 excluded_volume290520 ų
包络体积 envelope_volume409780 ų
水化壳体积 shell_volume71754 ų
包络直径 envelope_diameter158.6
壳层 Rg shell_rg50.87
包络 Rg envelope_rg47.16
形状 Rg shape_rg48.13
总 Rg total_rg48.23
总原子数 total_atoms16380
残基数 n_residues2060
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

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax158.0
Rg (实空间) rg_real48.53
Rg 误差 (实空间) rg_real_error1.73
I(0) (实空间) i0_real8.0650e+08
I(0) 误差 (实空间) i0_real_error1.5810e+07
Rg (倒空间) rg_reciprocal48.26
I(0) (倒空间) i0_reciprocal806200000.0000
解质量估计 total_estimate0.8130
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary47.9
偏度 Skewness skewness0.441
峰度 Kurtosis kurtosis-0.551
角度范围 angular_range— – 0.1650 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha197000000.0000
实空间数据点数 n_real_points34
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.716; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.425

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (2)

7. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

结构域编号 domain_idd2xz6a_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6b_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6c_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6d_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6e_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6f_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6g_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6h_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6i_
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.96.1.0 — automated matches
结构域编号 domain_idd2xz6j_
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.96.1.0 — automated matches

CATH v4.4 (10 domains)

结构域编号 domain_id2xz6A00
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_id2xz6B00
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_id2xz6C00
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_id2xz6D00
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_id2xz6E00
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_id2xz6F00
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_id2xz6G00
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_id2xz6H00
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_id2xz6I00
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_id2xz6J00
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

8. 引用文献 (1)

9. 文件与曲线 (10)