SAXSdb — 1sow

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1sow
沉积日期 deposition_date	2004-03-15
结构标题 title	T. gondii bradyzoite-specific LDH (LDH2) in complex with NAD and oxalate
关键词 keywords	Rossmann fold, tetramer, NAD-binding, oxidoreductase; OXIDOREDUCTASE
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	27.96 Å
回转半径 Rg (电子) rg_electron	26.99 Å
零角强度 I(0) i0	83130700.00
分子量 molecular_weight	71500.0 kDa
排除体积 excluded_volume	89654 Å³
包络体积 envelope_volume	108780 Å³
水化壳体积 shell_volume	33055 Å³
包络直径 envelope_diameter	89.2 Å
壳层 Rg shell_rg	34.92 Å
包络 Rg envelope_rg	26.83 Å
形状 Rg shape_rg	26.99 Å
总 Rg total_rg	27.78 Å
总原子数 total_atoms	4998
残基数 n_residues	617
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	85.5 Å
Rg (实空间) rg_real	27.89 Å
Rg 误差 (实空间) rg_real_error	0.48 Å
I(0) (实空间) i0_real	8.3130e+07
I(0) 误差 (实空间) i0_real_error	9.8790e+05
Rg (倒空间) rg_reciprocal	27.92 Å
I(0) (倒空间) i0_reciprocal	83130000.0000
解质量估计 total_estimate	0.9117
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	30.0 Å
偏度 Skewness skewness	0.238
峰度 Kurtosis kurtosis	-0.596
角度范围 angular_range	— – 0.2850 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	19850000.0000
实空间数据点数 n_real_points	58
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.967; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.948

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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	L-lactate dehydrogenase
分子量 formula_weight	35530.3 kDa
EC 编号 ec_number	1.1.1.27
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	5329

MTGTVSRRKKIAMIGSGMIGGTMGYLCVLRELADVVLFDVVTGMPEGKALDDSQATSIADTNVSVTSANQYEKIAGSDVVIITAGLTKVPGKSDKEWSRNDLLPFNAKIIREVAQGVKKYCPLAFVIVVTNPLDCMVKCFHEASGLPKNMVCGMANVLDSARFRRFIADQLEISPRDIQATVIGTHGDHMLPLARYVTVNGFPLREFIKKGKMTEAKLAEIVERTKKAGGEIVRLLGQGSAYYAPALSAITMAQAFLKDEKRVLPCSVYCQGEYGLHDMFIGLPAVIGGGGIEQVIELELTHEEQECFRKSVDDVVELNKSLAALGPG

来源 Source

来源生物 organism	Toxoplasma gondii
NCBI 分类编号 ncbi_taxonomy_id	5811
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	OXALATE ION
分子量 formula_weight	88.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 3 non-polymer

描述 description	NICOTINAMIDE-ADENINE-DINUCLEOTIDE
分子量 formula_weight	663.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 4 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	331

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6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_id	d1sowa1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.0 — automated matches

结构域编号 domain_id	d1sowa2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.162 — LDH C-terminal domain-like
超家族 Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
家族 Family family	d.162.1.0 — automated matches

结构域编号 domain_id	d1sowb1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.0 — automated matches

结构域编号 domain_id	d1sowb2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.162 — LDH C-terminal domain-like
超家族 Superfamily superfamily	d.162.1 — LDH C-terminal domain-like
家族 Family family	d.162.1.0 — automated matches

CATH v4.4 (4 domains)

结构域编号 domain_id	1sowA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1sowA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

结构域编号 domain_id	1sowB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1sowB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	110 — L-2-Hydroxyisocaproate Dehydrogenase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — Lactate dehydrogenase/glycoside hydrolase, family 4, C-terminal

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7. 引用文献 (1)

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晶胞边长 a length_a	140.712 Å
晶胞边长 b length_b	140.712 Å
晶胞边长 c length_c	74.740 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	120.00 °
晶胞分子数 Z z_pdb	12

空间群 space_group	P 3 2 1
空间群编号 int_tables_number	150
晶系 crystal_system	—

分辨率 resolution	1.900 Å
最低分辨率 resolution_low	30.000 Å
R 因子 r_factor	0.1850
R_work r_work	0.1850
R_free r_free	0.2120

fit	/app/data/saxs_computation/so/1sow/1sow.fit
pddf	/app/data/pr_computation/so/1sow/1sow.pr.out
profile	/app/data/saxs_computation/so/1sow/1sow.dat

T. gondii bradyzoite-specific LDH (LDH2) in complex with NAD and oxalate

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