1lt6

HEAT-LABILE ENTEROTOXIN B-PENTAMER COMPLEXED WITH METANITROPHENYLGALACTOSIDE

Method: X-RAY DIFFRACTION D_max: 160.8 Å Quality: REASONABLE

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	1lt6
沉积日期 deposition_date	1997-10-01
结构标题 title	HEAT-LABILE ENTEROTOXIN B-PENTAMER COMPLEXED WITH METANITROPHENYLGALACTOSIDE
关键词 keywords	ENTEROTOXIN; ENTEROTOXIN
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	57.35 Å
回转半径 Rg (电子) rg_electron	57.64 Å
零角强度 I(0) i0	208437000.00
分子量 molecular_weight	120960.0 kDa
排除体积 excluded_volume	151350 Å³
包络体积 envelope_volume	228890 Å³
水化壳体积 shell_volume	32232 Å³
包络直径 envelope_diameter	171.2 Å
壳层 Rg shell_rg	65.84 Å
包络 Rg envelope_rg	54.00 Å
形状 Rg shape_rg	57.65 Å
总 Rg total_rg	57.80 Å
总原子数 total_atoms	8450
残基数 n_residues	1030
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	160.8 Å
Rg (实空间) rg_real	57.94 Å
Rg 误差 (实空间) rg_real_error	1.86 Å
I(0) (实空间) i0_real	2.0840e+08
I(0) 误差 (实空间) i0_real_error	4.1020e+06
Rg (倒空间) rg_reciprocal	56.74 Å
I(0) (倒空间) i0_reciprocal	208000000.0000
解质量估计 total_estimate	0.5502
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	3
主峰位置 r_peak_primary	29.8 Å
偏度 Skewness skewness	0.162
峰度 Kurtosis kurtosis	-1.459
角度范围 angular_range	— – 0.1350 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	7678000.0000
实空间数据点数 n_real_points	28
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.015; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.105; Smooth: 0.000

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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	HEAT-LABILE ENTEROTOXIN
分子量 formula_weight	11807.5 kDa
来源方法 src_method	man
拷贝数 entity_count	10

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	D,E,F,G,H,L,M,N,O,P
原子数 atom_count	8702

APQTITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGETFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMKN

来源 Source

来源生物 organism	Escherichia coli
NCBI 分类编号 ncbi_taxonomy_id	562
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	3-nitrophenyl alpha-D-galactopyranoside
分子量 formula_weight	301.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	10

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	252

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6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

结构域编号 domain_id	d1lt6d_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6e_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6f_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6g_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6h_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6l_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6m_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6n_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6o_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

结构域编号 domain_id	d1lt6p_
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.40.2.1 — Bacterial AB5 toxins, B-subunits

CATH v4.4 (10 domains)

结构域编号 domain_id	1lt6D00
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	1lt6E00
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	1lt6F00
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	1lt6G00
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	1lt6H00
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	1lt6L00
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	1lt6M00
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	1lt6N00
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	1lt6O00
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	1lt6P00
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 (3)

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晶胞边长 a length_a	68.670 Å
晶胞边长 b length_b	95.360 Å
晶胞边长 c length_c	85.650 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	100.77 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	20

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	2.200 Å
最低分辨率 resolution_low	25.000 Å
R 因子 r_factor	0.1820
R_work r_work	0.1820
R_free r_free	0.2730

fit	/app/data/saxs_computation/lt/1lt6/1lt6.fit
pddf	/app/data/pr_computation/lt/1lt6/1lt6.pr.out
profile	/app/data/saxs_computation/lt/1lt6/1lt6.dat