2ht3

Structure of the Escherichia coli ClC chloride channel Y445L mutant and Fab complex

Method: X-RAY DIFFRACTION D_max: 136.3 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	2ht3
沉积日期 deposition_date	2006-07-25
结构标题 title	Structure of the Escherichia coli ClC chloride channel Y445L mutant and Fab complex
关键词 keywords	ClC family of channel and transporters, H+/Cl- antiporter, membrane protein, Fab complex; MEMBRANE 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	43.24 Å
回转半径 Rg (电子) rg_electron	42.49 Å
零角强度 I(0) i0	482255000.00
分子量 molecular_weight	187920.0 kDa
排除体积 excluded_volume	238300 Å³
包络体积 envelope_volume	318030 Å³
水化壳体积 shell_volume	62414 Å³
包络直径 envelope_diameter	139.8 Å
壳层 Rg shell_rg	47.60 Å
包络 Rg envelope_rg	42.09 Å
形状 Rg shape_rg	42.47 Å
总 Rg total_rg	42.82 Å
总原子数 total_atoms	13219
残基数 n_residues	1749
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	136.3 Å
Rg (实空间) rg_real	43.18 Å
Rg 误差 (实空间) rg_real_error	0.84 Å
I(0) (实空间) i0_real	4.8230e+08
I(0) 误差 (实空间) i0_real_error	7.9330e+06
Rg (倒空间) rg_reciprocal	43.24 Å
I(0) (倒空间) i0_reciprocal	482300000.0000
解质量估计 total_estimate	0.6684
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	51.6 Å
偏度 Skewness skewness	0.196
峰度 Kurtosis kurtosis	-0.628
角度范围 angular_range	— – 0.1850 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	36200000.0000
实空间数据点数 n_real_points	38
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.969; Stabil: 1.000; Sysdev: 0.016; Positv: 1.000; Valcen: 1.000; Smooth: 0.730

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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 (4)

Entity 1 polymer

描述 description	H(+)/Cl(-) exchange transporter clcA
分子量 formula_weight	50340.4 kDa
突变 mutation	Y445L
来源方法 src_method	man
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B
原子数 atom_count	13219

MKTDTPSLETPQAARLRRRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWLQNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQRPVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDIFRLKGDEARHTLLATGAAAGLAAAFNAPLAGILFIIEEMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALIDVGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGGLCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPMLALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQLILPMIITGLGATLLAQFTGGKPLLSAILARTLAKQEAEQLARSKAASASENT

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 BL21(DE3)

Entity 2 polymer

描述 description	Fab fragment, Heavy chain
分子量 formula_weight	23693.9 kDa
来源方法 src_method	nat
拷贝数 entity_count	2

聚合体 Polymer

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

VRLLESGGGLVQPGGSLKLSCAASGFDYSRYWMSWVRQAPGKGLKWIGEINPVSSTINYTPSLKDKFIISRDNAKDTLYLQISKVRSEDTALYYCARLYYGYGYWYFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAAAASMVTLGCLVKGYFPEPVTVTWNSGSLAAGVHTFPAVLQAALYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRA

Entity 3 polymer

描述 description	Fab fragment, Light chain
分子量 formula_weight	23088.4 kDa
来源方法 src_method	nat
拷贝数 entity_count	2

聚合体 Polymer

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

DIVLTQSPAIMSAAPGDKVTMTCSASSSVSYIHWYQQKSGTSPKRWIYDTSKLTSGVPVRFSGSGSGTSYSLTINTMEAEDAATYYCQQWSSHPQTFGGGTKLEILRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRA

Entity 4 non-polymer

描述 description	BROMIDE ION
分子量 formula_weight	79.9 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d2ht3a1
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.20 — Clc chloride channel
超家族 Superfamily superfamily	f.20.1 — Clc chloride channel
家族 Family family	f.20.1.1 — Clc chloride channel

结构域编号 domain_id	d2ht3b1
类 Class class	f — Membrane and cell surface proteins and peptides
折叠类型 Fold fold	f.20 — Clc chloride channel
超家族 Superfamily superfamily	f.20.1 — Clc chloride channel
家族 Family family	f.20.1.1 — Clc chloride channel

结构域编号 domain_id	d2ht3d1
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	d2ht3d2
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	d2ht3f1
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	d2ht3f2
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)

CATH v4.4 (10 domains)

结构域编号 domain_id	2ht3A00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3080 — Clc chloride channel
同源超家族 H-superfamily homologous superfamily	10 — Clc chloride channel

结构域编号 domain_id	2ht3B00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3080 — Clc chloride channel
同源超家族 H-superfamily homologous superfamily	10 — Clc chloride channel

结构域编号 domain_id	2ht3C01
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	2ht3C02
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	2ht3D01
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	2ht3D02
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	2ht3E01
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	2ht3E02
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	2ht3F01
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	2ht3F02
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

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7. 引用文献 (1)

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晶胞边长 a length_a	221.630 Å
晶胞边长 b length_b	124.854 Å
晶胞边长 c length_c	150.721 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	128.15 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	C 1 2 1
空间群编号 int_tables_number	5
晶系 crystal_system	—

分辨率 resolution	3.300 Å
最低分辨率 resolution_low	40.000 Å
R 因子 r_factor	0.2537
R_work r_work	0.2529
R_free r_free	0.2693

fit	/app/data/saxs_computation/ht/2ht3/2ht3.fit
pddf	/app/data/pr_computation/ht/2ht3/2ht3.pr.out
profile	/app/data/saxs_computation/ht/2ht3/2ht3.dat

Structure of the Escherichia coli ClC chloride channel Y445L mutant and Fab complex

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 (4)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

Entity 3 polymer

聚合体 Polymer

Entity 4 non-polymer

6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (6 domains)

CATH v4.4 (10 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)