9fg1

;Cryo-EM structure of the alpha1beta3gamma2 GABA(A) receptor in complex with GABA and Nb38 in the short-lived asymmetric desensitised 2 state ;

Method: ELECTRON MICROSCOPY D_max: 128.1 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	9fg1
沉积日期 deposition_date	2024-05-23
结构标题 title	;Cryo-EM structure of the alpha1beta3gamma2 GABA(A) receptor in complex with GABA and Nb38 in the short-lived asymmetric desensitised 2 state ;
关键词 keywords	GABA, neurotransmission, gating cycle, time-resolved cryo-EM, MEMBRANE PROTEIN; MEMBRANE PROTEIN
实验方法 method	ELECTRON MICROSCOPY

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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	40.08 Å
回转半径 Rg (电子) rg_electron	39.57 Å
零角强度 I(0) i0	711606000.00
分子量 molecular_weight	228190.0 kDa
排除体积 excluded_volume	289250 Å³
包络体积 envelope_volume	373150 Å³
水化壳体积 shell_volume	76002 Å³
包络直径 envelope_diameter	134.8 Å
壳层 Rg shell_rg	47.21 Å
包络 Rg envelope_rg	39.21 Å
形状 Rg shape_rg	39.59 Å
总 Rg total_rg	39.89 Å
总原子数 total_atoms	16080
残基数 n_residues	1921
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	128.1 Å
Rg (实空间) rg_real	39.94 Å
Rg 误差 (实空间) rg_real_error	0.76 Å
I(0) (实空间) i0_real	7.1160e+08
I(0) 误差 (实空间) i0_real_error	1.2160e+07
Rg (倒空间) rg_reciprocal	40.08 Å
I(0) (倒空间) i0_reciprocal	711700000.0000
解质量估计 total_estimate	0.8899
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	0.214
峰度 Kurtosis kurtosis	-0.426
角度范围 angular_range	— – 0.1950 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	110500000.0000
实空间数据点数 n_real_points	40
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.890; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.991; Smooth: 0.905

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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 (11)

Entity 1 polymer

描述 description	Gamma-aminobutyric acid receptor subunit alpha-1
分子量 formula_weight	47059.6 kDa
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,D
原子数 atom_count	16089

MDEKTTGWRGGHVVEGLAGELEQLRARLEHHPQGQREPDYDIPTTENLYFQGTGQPSQDELKDNTTVFTRILDRLLDGYDNRLRPGLGERVTEVKTDIFVTSFGPVSDHDMEYTIDVFFRQSWKDERLKFKGPMTVLRLNNLMASKIWTPDTFFHNGKKSVAHNMTMPNKLLRITEDGTLLYTMRLTVRAECPMHLEDFPMDAHACPLKFGSYAYTRAEVVYEWTREPARSVVVAEDGSRLNQYDLLGQTVDSGIVQSSTGEYVVMTTHFHLKRKIGYFVIQTYLPCIMTVILSQVSFWLNRESVPARTVFGVTTVLTMTTLSISARNSLPKVAYATAMDWFIAVCYAFVFSALIEFATVNYFTKSQPARAAKIDRLSRIAFPLLFGIFNLVYWATYLNREPQLKAPTPHQ

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 2 polymer

描述 description	Gamma-aminobutyric acid receptor subunit beta-3
分子量 formula_weight	45643.2 kDa
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	B,E

MDEKTTGWRGGHVVEGLAGELEQLRARLEHHPQGQREPDYDIPTTENLYFQGTGQSVNDPGNMSFVKETVDKLLKGYDIRLRPDFGGPPVCVGMNIDIASIDMVSEVNMDYTLTMYFQQYWRDKRLAYSGIPLNLTLDNRVADQLWVPDTYFLNDKKSFVHGVTVKNRMIRLHPDGTVLYGLRITTTAACMMDLRRYPLDEQNCTLEIESYGYTTDDIEFYWRGGDKAVTGVERIELPQFSIVEHRLVSRNVVFATGAYPRLSLSFRLKRNIGYFILQTYMPSILITILSWVSFWINYDASAARVALGITTVLTMTTINTHLRETLPKIPYVKAIDMYLMGCFVFVFLALLEYAFVNYIFFSQPARAAAIDRWSRIVFPFTFSLFNLVYWLYYVN

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 3 polymer

描述 description	Isoform 1 of Gamma-aminobutyric acid receptor subunit gamma-2
分子量 formula_weight	42957.0 kDa
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

TGQKSDDDYEDYTSNKTWVLTPKVPEGDVTVILNNLLEGYDNKLRPDIGVKPTLIHTDMYVNSIGPVNAINMEYTIDIFFAQTWYDRRLKFNSTIKVLRLNSNMVGKIWIPDTFFRNSKKADAHWITTPNRMLRIWNDGRVLYTLRLTIDAECQLQLHNFPMDEHSCPLEFSSYGYPREEIVYQWKRSSVEVGDTRSWRLYQFSFVGLRNTTEVVKTTSGDYVVMSVYFDLSRRMGYFTIQTYIPCTLIVVLSWVSFWINKDAVPARTSLGITTVLTMTTLSTIARKSLPKVSYVTAMDLFVSVCFIFVFSALVEYGTLHYFVSSQPARAAKMDSYARIFFPTAFCLFNLVYWVSYLYLGTGGTTETSQVAPA

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 4 polymer

描述 description	Nanobody38
分子量 formula_weight	14748.2 kDa
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	F,G

QVQLQESGGGLVQAGGSLRVSCAASGRTFTTYIMAWFRQAPGKEREFLAAMDQGRIQYYGDSVRGRFTISRDYAKNSVDLQLDGLRPEDTAVYYCAAGAGFWGLRTASSYHYWGQGTQVTVSSHHHHHHEPEA

来源 Source

来源生物 organism	Lama glama
NCBI 分类编号 ncbi_taxonomy_id	9844
宿主生物 host_organism	Escherichia coli

Entity 5 branched

描述 description	;alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1721.5 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 6 branched

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	424.4 kDa
来源方法 src_method	man
拷贝数 entity_count	3

Entity 7 branched

描述 description	;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1073.0 kDa
来源方法 src_method	man
拷贝数 entity_count	2

Entity 8 branched

描述 description	;alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	910.8 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 9 non-polymer

描述 description	GAMMA-AMINO-BUTANOIC ACID
分子量 formula_weight	103.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 10 non-polymer

描述 description	(19S,22R,25R)-22,25,26-trihydroxy-16,22-dioxo-17,21,23-trioxa-22lambda~5~-phosphahexacosan-19-yl (9E)-octadec-9-enoate
分子量 formula_weight	749.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 11 non-polymer

描述 description	DECANE
分子量 formula_weight	142.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

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7. 引用文献 (1)

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晶胞边长 a length_a	1.000 Å
晶胞边长 b length_b	1.000 Å
晶胞边长 c length_c	1.000 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	—

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

分辨率 resolution	3.10 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	48000

fit	/app/data/saxs_computation/fg/9fg1/9fg1.fit
pddf	/app/data/pr_computation/fg/9fg1/9fg1.pr.out
profile	/app/data/saxs_computation/fg/9fg1/9fg1.dat

;Cryo-EM structure of the alpha1beta3gamma2 GABA(A) receptor in complex with GABA and Nb38 in the short-lived asymmetric desensitised 2 state ;

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

冷冻电镜 EM 3D

5. 实体与聚合体信息 (11)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 polymer

聚合体 Polymer

来源 Source

Entity 4 polymer

聚合体 Polymer

来源 Source

Entity 5 branched

Entity 6 branched

Entity 7 branched

Entity 8 branched

Entity 9 non-polymer

Entity 10 non-polymer

Entity 11 non-polymer

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)