2aq3

Crystal structure of T-cell receptor V beta domain variant complexed with superantigen SEC3

Method: X-RAY DIFFRACTION D_max: 133.9 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

下载 Download SAXS (.dat) P(r) (.pr.out) CIF

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	2aq3
沉积日期 deposition_date	2005-08-17
结构标题 title	Crystal structure of T-cell receptor V beta domain variant complexed with superantigen SEC3
关键词 keywords	T-CELL RECEPTOR V BETA DOMAIN, STAPHLOCOCCAL ENTEROTOXIN C3, COMPLEX STRUCTURE, Immune system; IMMUNE SYSTEM
实验方法 method	X-RAY DIFFRACTION

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2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	41.50 Å
回转半径 Rg (电子) rg_electron	41.38 Å
零角强度 I(0) i0	375354000.00
分子量 molecular_weight	155660.0 kDa
排除体积 excluded_volume	193340 Å³
包络体积 envelope_volume	263200 Å³
水化壳体积 shell_volume	54650 Å³
包络直径 envelope_diameter	135.1 Å
壳层 Rg shell_rg	45.18 Å
包络 Rg envelope_rg	40.97 Å
形状 Rg shape_rg	41.36 Å
总 Rg total_rg	41.66 Å
总原子数 total_atoms	10957
残基数 n_residues	1376
球谐函数阶数 n_harmonics	20
q 范围 q_range	— – 0.5000 Å⁻¹
数据点数 n_points	101
壳层类型 shell_type	directional
溶剂电子密度 solvent_density	0.3340 e/Å³
壳层衬度 contrast_shell	0.0300 e/Å³
CRYSOL 版本 crysol_version	4.1.3

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3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	133.9 Å
Rg (实空间) rg_real	41.47 Å
Rg 误差 (实空间) rg_real_error	1.43 Å
I(0) (实空间) i0_real	3.7540e+08
I(0) 误差 (实空间) i0_real_error	7.2680e+06
Rg (倒空间) rg_reciprocal	41.50 Å
I(0) (倒空间) i0_reciprocal	375400000.0000
解质量估计 total_estimate	0.8900
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	49.3 Å
偏度 Skewness skewness	0.241
峰度 Kurtosis kurtosis	-0.523
角度范围 angular_range	— – 0.1900 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	23160000.0000
实空间数据点数 n_real_points	39
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.949; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.718

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

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5. 实体与聚合体信息 (3)

Entity 1 polymer

描述 description	T-cell receptor beta chain V
分子量 formula_weight	12121.4 kDa
突变 mutation	G17E, L81S
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,C,E,G
原子数 atom_count	11155

ILEAAVTQSPRNKVAVTGEKVTLSCQQTNNHNNMYWYRQDTGHGLRLIHYSYGAGSTEKGDIPDGYKASRPSQEQFSLILESATPSQTSVYFCASGGGGTLYFGAGTRLSVL

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	house mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Escherichia coli

Entity 2 polymer

描述 description	Enterotoxin type C-3
分子量 formula_weight	27409.8 kDa
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	B,D,F,H

ESQPDPMPDDLHKSSEFTGTMGNMKYLYDDHYVSATKVKSVDKFLAHDLIYNISDKKLKNYDKVKTELLNEDLAKKYKDEVVDVYGSNYYVNCYFSSKDGKVTGGKTCMYGGITKHEGNHFDNGNLQNVLVRVYENKRNTISFEVQTDKKSVTAQELDIKARNFLINKKNLYEFNSSPYETGYIKFIENNGNTFWYDMMPAPGDKFDQSKYLMMYNDNKTVDSKSVKIEVHLTTKNG

来源 Source

来源生物 organism	Staphylococcus aureus
NCBI 分类编号 ncbi_taxonomy_id	1280
宿主生物 host_organism	Escherichia coli

Entity 3 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	198

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6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d2aq3a1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d2aq3b1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.2 — Bacterial enterotoxins
家族 Family family	b.40.2.2 — Superantigen toxins, N-terminal domain

结构域编号 domain_id	d2aq3b2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamily	d.15.6 — Superantigen toxins, C-terminal domain
家族 Family family	d.15.6.1 — Superantigen toxins, C-terminal domain

结构域编号 domain_id	d2aq3c_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d2aq3d1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.2 — Bacterial enterotoxins
家族 Family family	b.40.2.2 — Superantigen toxins, N-terminal domain

结构域编号 domain_id	d2aq3d2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamily	d.15.6 — Superantigen toxins, C-terminal domain
家族 Family family	d.15.6.1 — Superantigen toxins, C-terminal domain

结构域编号 domain_id	d2aq3e_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d2aq3f1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.2 — Bacterial enterotoxins
家族 Family family	b.40.2.2 — Superantigen toxins, N-terminal domain

结构域编号 domain_id	d2aq3f2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamily	d.15.6 — Superantigen toxins, C-terminal domain
家族 Family family	d.15.6.1 — Superantigen toxins, C-terminal domain

结构域编号 domain_id	d2aq3g_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d2aq3h1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.40 — OB-fold
超家族 Superfamily superfamily	b.40.2 — Bacterial enterotoxins
家族 Family family	b.40.2.2 — Superantigen toxins, N-terminal domain

结构域编号 domain_id	d2aq3h2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.15 — beta-Grasp (ubiquitin-like)
超家族 Superfamily superfamily	d.15.6 — Superantigen toxins, C-terminal domain
家族 Family family	d.15.6.1 — Superantigen toxins, C-terminal domain

CATH v4.4 (12 domains)

结构域编号 domain_id	2aq3A00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	2aq3B01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily	120 —

结构域编号 domain_id	2aq3B02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	110 —

结构域编号 domain_id	2aq3C00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	2aq3D01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily	120 —

结构域编号 domain_id	2aq3D02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	110 —

结构域编号 domain_id	2aq3E00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	2aq3F01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily	120 —

结构域编号 domain_id	2aq3F02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	110 —

结构域编号 domain_id	2aq3G00
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	2aq3H01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	20 — Ubiquitin-like (UB roll)
同源超家族 H-superfamily homologous superfamily	120 —

结构域编号 domain_id	2aq3H02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily	110 —

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7. 引用文献 (1)

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晶胞边长 a length_a	64.160 Å
晶胞边长 b length_b	70.460 Å
晶胞边长 c length_c	98.370 Å
晶胞夹角 α angle_alpha	74.18 °
晶胞夹角 β angle_beta	75.76 °
晶胞夹角 γ angle_gamma	88.40 °
晶胞分子数 Z z_pdb	4

空间群 space_group	P 1
空间群编号 int_tables_number	1
晶系 crystal_system	—

分辨率 resolution	2.300 Å
最低分辨率 resolution_low	40.000 Å
R 因子 r_factor	0.2090
R_work r_work	0.2060
R_free r_free	0.2710

fit	/app/data/saxs_computation/aq/2aq3/2aq3.fit
pddf	/app/data/pr_computation/aq/2aq3/2aq3.pr.out
profile	/app/data/saxs_computation/aq/2aq3/2aq3.dat

Crystal structure of T-cell receptor V beta domain variant complexed with superantigen SEC3

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

1. 结构基本信息 1. Structure Basics

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合体信息 (3)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 water

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)