1oxh

The crystal structure of beta-ketoacyl-[acyl carrier protein] synthase II from Streptococcus Pneumoniae, Triclinic form

Method: X-RAY DIFFRACTION D_max: 157.6 Å Quality: SUSPICIOUS

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	1oxh
沉积日期 deposition_date	2003-04-02
结构标题 title	The crystal structure of beta-ketoacyl-[acyl carrier protein] synthase II from Streptococcus Pneumoniae, Triclinic form
关键词 keywords	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	48.50 Å
回转半径 Rg (电子) rg_electron	48.93 Å
零角强度 I(0) i0	441292000.00
分子量 molecular_weight	174100.0 kDa
排除体积 excluded_volume	217220 Å³
包络体积 envelope_volume	280980 Å³
水化壳体积 shell_volume	46871 Å³
包络直径 envelope_diameter	158.9 Å
壳层 Rg shell_rg	54.34 Å
包络 Rg envelope_rg	47.93 Å
形状 Rg shape_rg	48.94 Å
总 Rg total_rg	49.08 Å
总原子数 total_atoms	12264
残基数 n_residues	1632
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	157.6 Å
Rg (实空间) rg_real	49.04 Å
Rg 误差 (实空间) rg_real_error	1.38 Å
I(0) (实空间) i0_real	4.4130e+08
I(0) 误差 (实空间) i0_real_error	8.7960e+06
Rg (倒空间) rg_reciprocal	48.51 Å
I(0) (倒空间) i0_reciprocal	441000000.0000
解质量估计 total_estimate	0.4501
解质量评级 solution_quality	SUSPICIOUS a SUSPICIOUS solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	34.5 Å
偏度 Skewness skewness	0.313
峰度 Kurtosis kurtosis	-1.043
角度范围 angular_range	— – 0.1600 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	146100000.0000
实空间数据点数 n_real_points	33
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.243; Stabil: 1.000; Sysdev: 0.087; Positv: 1.000; Valcen: 0.464; Smooth: 0.392

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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	Beta ketoacyl-acyl carrier protein synthase
分子量 formula_weight	46018.6 kDa
EC 编号 ec_number	2.3.1.41
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	12480

GSSHHHHHHSSGLVPRGSHMKLNRVVVTGYGVTSPIGNTPEEFWNSLATGKIGIGGITKFDHSDFDVHNAAEIQDFPFDKYFVKKDTNRFDNYSLYALYAAQEAVNHANLDVEALNRDRFGVIVASGIGGIKEIEDQVLRLHEKGPKRVKPMTLPKALPNMASGNVAMRFGANGVCKSINTACSSSNDAIGDAFRSIKFGFQDVMLVGGTEASITPFAIAGFQALTALSTTEDPTRASIPFDKDRNGFVMGEGSGMLVLESLEHAEKRGATILAEVVGYGNTCDAYHMTSPHPEGQGAIKAIKLALEEAEISPEQVAYVNAHGTSTPANEKGESGAIVAVLGKEVPVSSTKSFTGHLLGAAGAVEAIVTIEAMRHNFVPMTAGTSEVSDYIEANVVYGQGLEKEIPYAISNTFGFGGHNAVLAFKRWENR

来源 Source

来源生物 organism	Streptococcus pneumoniae
NCBI 分类编号 ncbi_taxonomy_id	1313
宿主生物 host_organism	Escherichia coli

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	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	216

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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	d1oxha1
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxha2
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhb1
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhb2
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhc1
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhc2
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhd1
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.95.1.1 — Thiolase-related

结构域编号 domain_id	d1oxhd2
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.95.1.1 — Thiolase-related

CATH v4.4 (8 domains)

结构域编号 domain_id	1oxhA01
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	1oxhA02
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	1oxhB01
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	1oxhB02
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	1oxhC01
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	1oxhC02
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	1oxhD01
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	1oxhD02
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	61.520 Å
晶胞边长 b length_b	71.646 Å
晶胞边长 c length_c	96.100 Å
晶胞夹角 α angle_alpha	89.83 °
晶胞夹角 β angle_beta	83.09 °
晶胞夹角 γ angle_gamma	69.15 °
晶胞分子数 Z z_pdb	4

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

分辨率 resolution	2.090 Å
最低分辨率 resolution_low	29.190 Å
R 因子 r_factor	0.2088
R_work r_work	0.2082
R_free r_free	0.2349

fit	/app/data/saxs_computation/ox/1oxh/1oxh.fit
pddf	/app/data/pr_computation/ox/1oxh/1oxh.pr.out
profile	/app/data/saxs_computation/ox/1oxh/1oxh.dat