8p5t

Single particle cryo-EM structure of the homohexameric 2-oxoglutarate dehydrogenase OdhA from Corynebacterium glutamicum

Method: ELECTRON MICROSCOPY D_max: 253.2 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	8p5t
沉积日期 deposition_date	2023-05-24
结构标题 title	Single particle cryo-EM structure of the homohexameric 2-oxoglutarate dehydrogenase OdhA from Corynebacterium glutamicum
关键词 keywords	2-oxoglutarate dehydrogenase; ODH, OXIDOREDUCTASE; OXIDOREDUCTASE
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	73.09 Å
回转半径 Rg (电子) rg_electron	72.81 Å
零角强度 I(0) i0	8093880000.00
分子量 molecular_weight	747560.0 kDa
排除体积 excluded_volume	928710 Å³
包络体积 envelope_volume	1399700 Å³
水化壳体积 shell_volume	158170 Å³
包络直径 envelope_diameter	222.5 Å
壳层 Rg shell_rg	74.78 Å
包络 Rg envelope_rg	70.72 Å
形状 Rg shape_rg	72.80 Å
总 Rg total_rg	72.85 Å
总原子数 total_atoms	52590
残基数 n_residues	6714
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	253.2 Å
Rg (实空间) rg_real	73.07 Å
Rg 误差 (实空间) rg_real_error	2.05 Å
I(0) (实空间) i0_real	8.0960e+09
I(0) 误差 (实空间) i0_real_error	1.7100e+08
Rg (倒空间) rg_reciprocal	73.53 Å
I(0) (倒空间) i0_reciprocal	8103000000.0000
解质量估计 total_estimate	0.8734
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	108.5 Å
偏度 Skewness skewness	0.101
峰度 Kurtosis kurtosis	-0.637
角度范围 angular_range	— – 0.1050 Å⁻¹
当前正则化参数 α current_alpha	0.0354
最高正则化参数 α highest_alpha	598800000.0000
实空间数据点数 n_real_points	22
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.833; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.983; Smooth: 0.867

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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	2-oxoglutarate dehydrogenase E1/E2 component
分子量 formula_weight	134972.1 kDa
EC 编号 ec_number	1.2.4.2,2.3.1.61
来源方法 src_method	man
拷贝数 entity_count	6

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F
原子数 atom_count	52590

GSMSSASTFGQNAWLVDEMFQQFQKDPKSVDKEWRELFEAQGGPNTTPATTEAQPSAPKESAKPAPKAAPAAKAAPRVETKPADKTAPKAKESSVPQQPKLPEPGQTPIRGIFKSIAKNMDISLEIPTATSVRDMPARLMFENRAMVNDQLKRTRGGKISFTHIIGYAMVKAVMAHPDMNNSYDVIDGKPTLIVPEHINLGLAIDLPQKDGSRALVVAAIKETEKMNFSEFLAAYEDIVARSRKGKLTMDDYQGVTVSLTNPGGIGTRHSVPRLTKGQGTIIGVGSMDYPAEFQGASEDRLAELGVGKLVTITSTYDHRVIQGAVSGEFLRTMSRLLTDDSFWDEIFDAMNVPYTPMRWAQDVPNTGVDKNTRVMQLIEAYRSRGHLIADTNPLSWVQPGMPVPDHRDLDIETHNLTIWDLDRTFNVGGFGGKETMTLREVLSRLRAAYTLKVGSEYTHILDRDERTWLQDRLEAGMPKPTQAEQKYILQKLNAAEAFENFLQTKYVGQKRFSLEGAEALIPLMDSAIDTAAGQGLDEVVIGMPHRGRLNVLFNIVGKPLASIFNEFEGQMEQGQIGGSGDVKYHLGSEGQHLQMFGDGEIKVSLTANPSHLEAVNPVMEGIVRAKQDYLDKGVDGKTVVPLLLHGDAAFAGLGIVPETINLAKLRGYDVGGTIHIVVNNQIGFTTTPDSSRSMHYATDYAKAFGCPVFHVNGDDPEAVVWVGQLATEYRRRFGKDVFIDLVCYRLRGHNEADDPSMTQPKMYELITGRETVRAQYTEDLLGRGDLSNEDAEAVVRDFHDQMESVFNEVKEGGKKQAEAQTGITGSQKLPHGLETNISREELLELGQAFANTPEGFNYHPRVAPVAKKRVSSVTEGGIDWAWGELLAFGSLANSGRLVRLAGEDSRRGTFTQRHAVAIDPATAEEFNPLHELAQSKGNNGKFLVYNSALTEYAGMGFEYGYSVGNEDSIVAWEAQFGDFANGAQTIIDEYVSSGEAKWGQTSKLILLLPHGYEGQGPDHSSARIERFLQLCAEGSMTVAQPSTPANHFHLLRRHALSDLKRPLVIFTPKSMLRNKAAASAPEDFTEVTKFQSVINDPNVADAAKVKKVMLVSGKLYYELAKRKEKDGRDDIAIVRIEMLHPIPFNRISEALAGYPNAEEVLFVQDEPANQGPWPFYQEHLPELIPNMPKMRRVSRRAQSSTATGVAKVHQLEEKQLIDEAFEA

来源 Source

来源生物 organism	Corynebacterium glutamicum ATCC 13032
NCBI 分类编号 ncbi_taxonomy_id	196627
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

Entity 3 non-polymer

描述 description	ACETYL COENZYME *A
分子量 formula_weight	809.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

Entity 4 non-polymer

描述 description	THIAMINE DIPHOSPHATE
分子量 formula_weight	425.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

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7. 引用文献 (2)

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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	2.170 Å
最低分辨率 resolution_low	2.170 Å
R 因子 r_factor	0.3102
R_work r_work	0.3102
R_free r_free	—

分辨率 resolution	2.17 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	1474608

fit	/app/data/saxs_computation/p5/8p5t/8p5t.fit
pddf	/app/data/pr_computation/p5/8p5t/8p5t.pr.out
profile	/app/data/saxs_computation/p5/8p5t/8p5t.dat

Single particle cryo-EM structure of the homohexameric 2-oxoglutarate dehydrogenase OdhA from Corynebacterium glutamicum

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

冷冻电镜 EM 3D