SAXSdb — 2boc

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	2boc
沉积日期 deposition_date	2005-04-09
结构标题 title	Potassium channel KcsA-Fab complex in thallium with tetraethylarsonium (TEAs)
关键词 keywords	;IMMUNE SYSTEM/TRANSPORT PROTEIN, COMPLEX (ANTIBODY-ION CHANNEL), POTASSIUM CHANNEL, ION TRANSPORT, IONIC CHANNEL, PROTEIN- ANTIBODY FAB COMPLEX, IMMUNE SYSTEM-TRANSPORT PROTEIN complex ;; IMMUNE SYSTEM/TRANSPORT PROTEIN
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	31.35 Å
回转半径 Rg (电子) rg_electron	31.05 Å
零角强度 I(0) i0	59012700.00
分子量 molecular_weight	58827.0 kDa
排除体积 excluded_volume	72565 Å³
包络体积 envelope_volume	93939 Å³
水化壳体积 shell_volume	28242 Å³
包络直径 envelope_diameter	130.6 Å
壳层 Rg shell_rg	34.07 Å
包络 Rg envelope_rg	32.47 Å
形状 Rg shape_rg	30.81 Å
总 Rg total_rg	32.05 Å
总原子数 total_atoms	4087
残基数 n_residues	534
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	126.6 Å
Rg (实空间) rg_real	32.07 Å
Rg 误差 (实空间) rg_real_error	1.66 Å
I(0) (实空间) i0_real	5.9010e+07
I(0) 误差 (实空间) i0_real_error	1.0430e+06
Rg (倒空间) rg_reciprocal	31.76 Å
I(0) (倒空间) i0_reciprocal	59000000.0000
解质量估计 total_estimate	0.7059
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	29.8 Å
偏度 Skewness skewness	0.891
峰度 Kurtosis kurtosis	0.679
角度范围 angular_range	— – 0.2550 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	6502000.0000
实空间数据点数 n_real_points	52
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.355; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.182; Smooth: 0.926

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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 (7)

Entity 1 polymer

描述 description	ANTIBODY FAB FRAGMENT HEAVY CHAIN
分子量 formula_weight	23411.2 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	4108

QVQLQQPGAELVKPGASVKLSCKASGYTFTSDWIHWVKQRPGHGLEWIGEIIPSYGRANYNEKIQKKATLTADKSSSTAFMQLSSLTSEDSAVYYCARERGDGYFAVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRD

Entity 2 polymer

描述 description	ANTIBODY FAB FRAGMENT LIGHT CHAIN
分子量 formula_weight	23435.7 kDa
来源方法 src_method	nat
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	B

DILLTQSPAILSVSPGERVSFSCRASQSIGTDIHWYQQRTNGSPRLLIKYASESISGIPSRFSGSGSGTDFTLSINSVESEDIANYYCQQSNRWPFTFGSGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN

Entity 3 polymer

描述 description	POTASSIUM CHANNEL KCSA
分子量 formula_weight	13211.6 kDa
突变 mutation	YES
来源方法 src_method	man
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	C

MAPMLSGLLARLVKLLLGRHGSALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWSVETATTVGYGDLYPVTLWGRCVAVVVMVAGITSFGLVTAALATWFVGREQERRGH

来源 Source

来源生物 organism	STREPTOMYCES LIVIDANS
NCBI 分类编号 ncbi_taxonomy_id	1916
宿主生物 host_organism	ESCHERICHIA COLI

Entity 4 non-polymer

描述 description	THALLIUM (I) ION
分子量 formula_weight	204.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 5 non-polymer

描述 description	COBALT (II) ION
分子量 formula_weight	58.9 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 6 non-polymer

描述 description	TETRAETHYLARSONIUM ION
分子量 formula_weight	191.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 7 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	12

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6. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

结构域编号 domain_id	d2boca1
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	d2boca2
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

结构域编号 domain_id	d2bocb1
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.1.1.0 — automated matches

结构域编号 domain_id	d2bocb2
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.1.1.2 — C1 set domains (antibody constant domain-like)

结构域编号 domain_id	d2bocc_
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.14 — Gated ion channels
超家族 Superfamily superfamily	f.14.1 — Voltage-gated ion channels
家族 Family family	f.14.1.1 — Voltage-gated potassium channels

CATH v4.4 (5 domains)

结构域编号 domain_id	2bocA01
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	2bocA02
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	2bocB01
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	2bocB02
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	2bocC00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	287 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily	70 —

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7. 引用文献 (1)

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晶胞边长 a length_a	154.680 Å
晶胞边长 b length_b	154.680 Å
晶胞边长 c length_c	76.190 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	I 4
空间群编号 int_tables_number	79
晶系 crystal_system	—

分辨率 resolution	3.010 Å
最低分辨率 resolution_low	25.000 Å
R 因子 r_factor	0.2230
R_work r_work	0.2220
R_free r_free	0.2500

fit	/app/data/saxs_computation/bo/2boc/2boc.fit
pddf	/app/data/pr_computation/bo/2boc/2boc.pr.out
profile	/app/data/saxs_computation/bo/2boc/2boc.dat

Potassium channel KcsA-Fab complex in thallium with tetraethylarsonium (TEAs)

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 (7)

Entity 1 polymer

聚合体 Polymer

Entity 2 polymer

聚合体 Polymer

Entity 3 polymer

聚合体 Polymer

来源 Source

Entity 4 non-polymer

Entity 5 non-polymer

Entity 6 non-polymer

Entity 7 water

6. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

CATH v4.4 (5 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)