1o58

Crystal structure of O-acetylserine sulfhydrylase (TM0665) from Thermotoga maritima at 1.80 A resolution

Method: X-RAY DIFFRACTION D_max: 93.7 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	1o58
沉积日期 deposition_date	2003-08-20
结构标题 title	Crystal structure of O-acetylserine sulfhydrylase (TM0665) from Thermotoga maritima at 1.80 A resolution
关键词 keywords	;TM0665, O-ACETYLSERINE SULFHYDRYLASE, STRUCTURAL GENOMICS, JCSG, PSI, PROTEIN STRUCTURE INITIATIVE, JOINT CENTER FOR STRUCTURAL GENOMICS, TRANSFERASE ;; TRANSFERASE
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	30.21 Å
回转半径 Rg (电子) rg_electron	29.16 Å
零角强度 I(0) i0	225236000.00
分子量 molecular_weight	120320.0 kDa
排除体积 excluded_volume	151320 Å³
包络体积 envelope_volume	176880 Å³
水化壳体积 shell_volume	47923 Å³
包络直径 envelope_diameter	98.7 Å
壳层 Rg shell_rg	38.37 Å
包络 Rg envelope_rg	29.21 Å
形状 Rg shape_rg	29.16 Å
总 Rg total_rg	29.97 Å
总原子数 total_atoms	8431
残基数 n_residues	1122
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	93.7 Å
Rg (实空间) rg_real	30.01 Å
Rg 误差 (实空间) rg_real_error	0.44 Å
I(0) (实空间) i0_real	2.2520e+08
I(0) 误差 (实空间) i0_real_error	3.5270e+06
Rg (倒空间) rg_reciprocal	30.10 Å
I(0) (倒空间) i0_reciprocal	225300000.0000
解质量估计 total_estimate	0.8997
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	39.6 Å
偏度 Skewness skewness	0.117
峰度 Kurtosis kurtosis	-0.491
角度范围 angular_range	— – 0.2600 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	189400000.0000
实空间数据点数 n_real_points	53
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.909; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.984; Smooth: 0.980

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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	O-acetylserine sulfhydrylase
分子量 formula_weight	32631.9 kDa
EC 编号 ec_number	2.5.1.47
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	9405

MGSDKIHHHHHHMMERLIGSTPIVRLDSIDSRIFLKLEKNNPGGSVKDRPALFMILDAEKRGLLKNGIVEPTSGNMGIAIAMIGAKRGHRVILTMPETMSVERRKVLKMLGAELVLTPGELGMKGAVEKALEISRETGAHMLNQFENPYNVYSHQFTTGPEILKQMDYQIDAFVAGVGTGGTISGVGRVLKGFFGNGVKIVAVEPAKSPVLSGGQPGKHAIQGIGAGFVPKILDRSVIDEVITVEDEEAYEMARYLAKKEGLLVGISSGANVAAALKVAQKLGPDARVVTVAPDHAERYLSIL

来源 Source

来源生物 organism	Thermotoga maritima
NCBI 分类编号 ncbi_taxonomy_id	2336
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	PHOSPHATE ION
分子量 formula_weight	95.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	8

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	937

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1o58a1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.79 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
超家族 Superfamily superfamily	c.79.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
家族 Family family	c.79.1.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes

结构域编号 domain_id	d1o58a2
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	d1o58b1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.79 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
超家族 Superfamily superfamily	c.79.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
家族 Family family	c.79.1.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes

结构域编号 domain_id	d1o58b2
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	d1o58c1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.79 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
超家族 Superfamily superfamily	c.79.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
家族 Family family	c.79.1.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes

结构域编号 domain_id	d1o58c2
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	d1o58d1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.79 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
超家族 Superfamily superfamily	c.79.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes
家族 Family family	c.79.1.1 — Tryptophan synthase beta subunit-like PLP-dependent enzymes

结构域编号 domain_id	d1o58d2
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 (8 domains)

结构域编号 domain_id	1o58A01
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	1100 —

结构域编号 domain_id	1o58A02
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	1100 —

结构域编号 domain_id	1o58B01
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	1100 —

结构域编号 domain_id	1o58B02
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	1100 —

结构域编号 domain_id	1o58C01
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	1100 —

结构域编号 domain_id	1o58C02
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	1100 —

结构域编号 domain_id	1o58D01
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	1100 —

结构域编号 domain_id	1o58D02
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	1100 —

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7. 引用文献 (1)

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晶胞边长 a length_a	67.570 Å
晶胞边长 b length_b	84.590 Å
晶胞边长 c length_c	107.220 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	95.39 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	1.800 Å
最低分辨率 resolution_low	48.660 Å
R 因子 r_factor	0.1594
R_work r_work	0.1574
R_free r_free	0.1981

fit	/app/data/saxs_computation/o5/1o58/1o58.fit
pddf	/app/data/pr_computation/o5/1o58/1o58.pr.out
profile	/app/data/saxs_computation/o5/1o58/1o58.dat