2byw

Structure of Escherichia coli beta-ketoacyl (acyl carrier protein) synthase I LYS328ALA mutant

Method: X-RAY DIFFRACTION D_max: 132.2 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	2byw
沉积日期 deposition_date	2005-08-09
结构标题 title	Structure of Escherichia coli beta-ketoacyl (acyl carrier protein) synthase I LYS328ALA mutant
关键词 keywords	TRANSFERASE, CONDENSING ENZYME, FATTY ACID BIOSYNTHESIS, KAS I, ACYLTRANSFERASE, LIPID SYNTHESIS; 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	40.24 Å
回转半径 Rg (电子) rg_electron	40.10 Å
零角强度 I(0) i0	459560000.00
分子量 molecular_weight	170420.0 kDa
排除体积 excluded_volume	210970 Å³
包络体积 envelope_volume	257610 Å³
水化壳体积 shell_volume	52638 Å³
包络直径 envelope_diameter	135.8 Å
壳层 Rg shell_rg	46.52 Å
包络 Rg envelope_rg	39.67 Å
形状 Rg shape_rg	40.11 Å
总 Rg total_rg	40.37 Å
总原子数 total_atoms	11924
残基数 n_residues	1624
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	132.2 Å
Rg (实空间) rg_real	40.33 Å
Rg 误差 (实空间) rg_real_error	1.06 Å
I(0) (实空间) i0_real	4.5960e+08
I(0) 误差 (实空间) i0_real_error	7.5260e+06
Rg (倒空间) rg_reciprocal	40.24 Å
I(0) (倒空间) i0_reciprocal	459500000.0000
解质量估计 total_estimate	0.8584
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	33.9 Å
偏度 Skewness skewness	0.298
峰度 Kurtosis kurtosis	-0.759
角度范围 angular_range	— – 0.1950 Å⁻¹
当前正则化参数 α current_alpha	0.0001
最高正则化参数 α highest_alpha	204400000.0000
实空间数据点数 n_real_points	40
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.809; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.855; Smooth: 0.874

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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	3-OXOACYL-[ACYL-CARRIER-PROTEIN] SYNTHASE I
分子量 formula_weight	44031.7 kDa
EC 编号 ec_number	2.3.1.41
突变 mutation	YES
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	13003

MRGSHHHHHHGSMKRVVITGLGIVSSIGNNQQEVLASLREGRSGITFSQELKDSGMRSHVWGNVKLDTTGLIDRKVVRFMSDASIYAFLSMEQAIADAGLSPEAYQNNPRVGLIAGSGGGSPRFQVFGADAMRGPRGLKAVGPYVVTKAMASGVSACLATPFKIHGVNYSISSACATSAHCIGNAVEQIQLGKQDIVFAGGGEELCWEMACEFDAMGALSTKYNDTPEKASRTYDAHRDGFVIAGGGGMVVVEELEHALARGAHIYAEIVGYGATSDGADMVAPSGEGAVRCMKMAMHGVDTPIDYLNSHGTSTPVGDVKELAAIREVFGDKSPAISATAAMTGHSLGAAGVQEAIYSLLMLEHGFIAPSINIEELDEQAAGLNIVTETTDRELTTVMSNSFGFGGTNATLVMRKLKD

来源 Source

来源生物 organism	ESCHERICHIA COLI
NCBI 分类编号 ncbi_taxonomy_id	562
宿主生物 host_organism	ESCHERICHIA COLI

Entity 2 non-polymer

描述 description	AMMONIUM ION
分子量 formula_weight	18.0 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	1079

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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	d2bywa1
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	d2bywa2
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.95.1.0 — automated matches

结构域编号 domain_id	d2bywb1
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	d2bywb2
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.95.1.0 — automated matches

结构域编号 domain_id	d2bywc1
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	d2bywc2
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.95.1.0 — automated matches

结构域编号 domain_id	d2bywd1
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	d2bywd2
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.95.1.0 — automated matches

CATH v4.4 (8 domains)

结构域编号 domain_id	2bywA01
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	2bywA02
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	2bywB01
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	2bywB02
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	2bywC01
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	2bywC02
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	2bywD01
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	2bywD02
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 (2)

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晶胞边长 a length_a	58.680 Å
晶胞边长 b length_b	138.011 Å
晶胞边长 c length_c	210.190 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	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	—

分辨率 resolution	1.700 Å
最低分辨率 resolution_low	30.000 Å
R 因子 r_factor	0.1810
R_work r_work	0.1810
R_free r_free	0.2090

fit	/app/data/saxs_computation/by/2byw/2byw.fit
pddf	/app/data/pr_computation/by/2byw/2byw.pr.out
profile	/app/data/saxs_computation/by/2byw/2byw.dat