1vh8

Crystal structure of a 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

Method: X-RAY DIFFRACTION D_max: 127.2 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	1vh8
沉积日期 deposition_date	2003-12-01
结构标题 title	Crystal structure of a 2C-methyl-D-erythritol 2,4-cyclodiphosphate synthase
关键词 keywords	structural genomics, Lyase; LYASE
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	35.37 Å
回转半径 Rg (电子) rg_electron	35.38 Å
零角强度 I(0) i0	157943000.00
分子量 molecular_weight	98992.0 kDa
排除体积 excluded_volume	123050 Å³
包络体积 envelope_volume	163920 Å³
水化壳体积 shell_volume	39300 Å³
包络直径 envelope_diameter	140.2 Å
壳层 Rg shell_rg	40.59 Å
包络 Rg envelope_rg	35.75 Å
形状 Rg shape_rg	35.41 Å
总 Rg total_rg	35.66 Å
总原子数 total_atoms	6924
残基数 n_residues	901
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	127.2 Å
Rg (实空间) rg_real	35.55 Å
Rg 误差 (实空间) rg_real_error	1.60 Å
I(0) (实空间) i0_real	1.5790e+08
I(0) 误差 (实空间) i0_real_error	2.9650e+06
Rg (倒空间) rg_reciprocal	35.44 Å
I(0) (倒空间) i0_reciprocal	157900000.0000
解质量估计 total_estimate	0.7265
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	3
主峰位置 r_peak_primary	31.1 Å
偏度 Skewness skewness	0.400
峰度 Kurtosis kurtosis	-0.591
角度范围 angular_range	— – 0.2250 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	68670000.0000
实空间数据点数 n_real_points	46
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.577; Stabil: 0.996; Sysdev: 1.000; Positv: 1.000; Valcen: 0.720; Smooth: 0.000

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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-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase
分子量 formula_weight	18763.7 kDa
EC 编号 ec_number	4.6.1.12
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	7183

MSLIRIGHGFDVHAFGEDRPLIIGGVEVPYHTGFIAHSDGDVALHALTDAILGAAALGDIGKLFPDTDMQYKNADSRGLLREAFRQVQEKGYKIGNVDITIIAQAPKMRPHIDAMRAKIAEDLQCDIEQVNVKATTTEKLGFTGRQEGIACEAVALLIRQEGGSHHHHHH

来源 Source

来源生物 organism	Haemophilus influenzae
NCBI 分类编号 ncbi_taxonomy_id	727
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	PYROPHOSPHATE 2-
分子量 formula_weight	176.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 3 non-polymer

描述 description	ACETIC ACID
分子量 formula_weight	60.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

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	223

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6. 折叠分类 (SCOP + CATH) 18 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d1vh8a1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8a2
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	d1vh8b1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8b2
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	d1vh8c1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8c2
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	d1vh8d1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8d2
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	d1vh8e1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8e2
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	d1vh8f1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.79 — Bacillus chorismate mutase-like
超家族 Superfamily superfamily	d.79.5 — IpsF-like
家族 Family family	d.79.5.1 — IpsF-like

结构域编号 domain_id	d1vh8f2
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

CATH v4.4 (6 domains)

结构域编号 domain_id	1vh8A00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

结构域编号 domain_id	1vh8B00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

结构域编号 domain_id	1vh8C00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

结构域编号 domain_id	1vh8D00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

结构域编号 domain_id	1vh8E00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

结构域编号 domain_id	1vh8F00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
同源超家族 H-superfamily homologous superfamily	50 — 2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase

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7. 引用文献 (1)

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晶胞边长 a length_a	104.850 Å
晶胞边长 b length_b	104.850 Å
晶胞边长 c length_c	195.750 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	48

空间群 space_group	I 41
空间群编号 int_tables_number	80
晶系 crystal_system	—

分辨率 resolution	2.350 Å
最低分辨率 resolution_low	48.940 Å
R 因子 r_factor	—
R_work r_work	0.2400
R_free r_free	0.2800

fit	/app/data/saxs_computation/vh/1vh8/1vh8.fit
pddf	/app/data/pr_computation/vh/1vh8/1vh8.pr.out
profile	/app/data/saxs_computation/vh/1vh8/1vh8.dat