SAXSdb — 1x9e

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1x9e
沉积日期 deposition_date	2004-08-20
结构标题 title	Crystal structure of HMG-CoA synthase from Enterococcus faecalis
关键词 keywords	thiolase family, 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	26.91 Å
回转半径 Rg (电子) rg_electron	25.73 Å
零角强度 I(0) i0	114147000.00
分子量 molecular_weight	84646.0 kDa
排除体积 excluded_volume	106000 Å³
包络体积 envelope_volume	120310 Å³
水化壳体积 shell_volume	37412 Å³
包络直径 envelope_diameter	93.0 Å
壳层 Rg shell_rg	34.63 Å
包络 Rg envelope_rg	26.00 Å
形状 Rg shape_rg	25.73 Å
总 Rg total_rg	26.59 Å
总原子数 total_atoms	5958
残基数 n_residues	766
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	86.8 Å
Rg (实空间) rg_real	26.79 Å
Rg 误差 (实空间) rg_real_error	0.53 Å
I(0) (实空间) i0_real	1.1410e+08
I(0) 误差 (实空间) i0_real_error	1.6430e+06
Rg (倒空间) rg_reciprocal	26.83 Å
I(0) (倒空间) i0_reciprocal	114200000.0000
解质量估计 total_estimate	0.8117
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	85.3 Å
偏度 Skewness skewness	0.262
峰度 Kurtosis kurtosis	-0.330
角度范围 angular_range	— – 0.2950 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	33150000.0000
实空间数据点数 n_real_points	60
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.850; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; 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 (3)

Entity 1 polymer

描述 description	HMG-CoA synthase
分子量 formula_weight	42191.6 kDa
EC 编号 ec_number	4.1.3.5
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	6128

MTIGIDKISFFVPPYYIDMTALAEARNVDPGKFHIGIGQDQMAVNPISQDIVTFAANAAEAILTKEDKEAIDMVIVGTESSIDESKAAAVVLHRLMGIQPFARSFEIKEACYGATAGLQLAKNHVALHPDKKVLVVAADIAKYGLNSGGEPTQGAGAVAMLVASEPRILALKEDNVMLTQDIYDFWRPTGHPYPMVDGPLSNETYIQSFAQVWDEHKKRTGLDFADYDALAFHIPYTKMGKKALLAKISDQTEAEQERILARYEESIIYSRRVGNLYTGSLYLGLISLLENATTLTAGNQIGLFSYGSGAVAEFFTGELVAGYQNHLQKETHLALLDNRTELSIAEYEAMFAETLDTDIDQTLEDELKYSISAINNTVRSYRN

来源 Source

来源生物 organism	Enterococcus faecalis
NCBI 分类编号 ncbi_taxonomy_id	1351
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 3 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	170

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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	d1x9ea1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.95 — Thiolase-like
超家族 Superfamily superfamily	c.95.1 — Thiolase-like
家族 Family family	c.95.1.2 — Chalcone synthase-like

结构域编号 domain_id	d1x9ea2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.95 — Thiolase-like
超家族 Superfamily superfamily	c.95.1 — Thiolase-like
家族 Family family	c.95.1.2 — Chalcone synthase-like

结构域编号 domain_id	d1x9eb1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.95 — Thiolase-like
超家族 Superfamily superfamily	c.95.1 — Thiolase-like
家族 Family family	c.95.1.2 — Chalcone synthase-like

结构域编号 domain_id	d1x9eb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.95 — Thiolase-like
超家族 Superfamily superfamily	c.95.1 — Thiolase-like
家族 Family family	c.95.1.2 — Chalcone synthase-like

CATH v4.4 (4 domains)

结构域编号 domain_id	1x9eA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

结构域编号 domain_id	1x9eA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

结构域编号 domain_id	1x9eB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

结构域编号 domain_id	1x9eB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	47 — Peroxisomal Thiolase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Thiolase/Chalcone synthase

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7. 引用文献 (1)

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晶胞边长 a length_a	105.368 Å
晶胞边长 b length_b	109.820 Å
晶胞边长 c length_c	141.540 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	16

空间群 space_group	I 2 2 2
空间群编号 int_tables_number	23
晶系 crystal_system	—

分辨率 resolution	2.400 Å
最低分辨率 resolution_low	26.500 Å
R 因子 r_factor	0.2347
R_work r_work	0.2253
R_free r_free	0.2538

fit	/app/data/saxs_computation/x9/1x9e/1x9e.fit
pddf	/app/data/pr_computation/x9/1x9e/1x9e.pr.out
profile	/app/data/saxs_computation/x9/1x9e/1x9e.dat

Crystal structure of HMG-CoA synthase from Enterococcus faecalis

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