1la2

Structural analysis of Saccharomyces cerevisiae myo-inositol phosphate synthase

Method: X-RAY DIFFRACTION D_max: 121.4 Å Quality: EXCELLENT

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	1la2
沉积日期 deposition_date	2002-03-27
结构标题 title	Structural analysis of Saccharomyces cerevisiae myo-inositol phosphate synthase
关键词 keywords	;structural genomics, inositol, metabolism, yeast, ino1, PSI, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, ISOMERASE ;; ISOMERASE
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	39.53 Å
回转半径 Rg (电子) rg_electron	38.93 Å
零角强度 I(0) i0	814589000.00
分子量 molecular_weight	234220.0 kDa
排除体积 excluded_volume	292220 Å³
包络体积 envelope_volume	359430 Å³
水化壳体积 shell_volume	73176 Å³
包络直径 envelope_diameter	131.9 Å
壳层 Rg shell_rg	47.52 Å
包络 Rg envelope_rg	38.90 Å
形状 Rg shape_rg	38.98 Å
总 Rg total_rg	39.21 Å
总原子数 total_atoms	16348
残基数 n_residues	2016
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	121.4 Å
Rg (实空间) rg_real	39.24 Å
Rg 误差 (实空间) rg_real_error	0.61 Å
I(0) (实空间) i0_real	8.1460e+08
I(0) 误差 (实空间) i0_real_error	1.1760e+07
Rg (倒空间) rg_reciprocal	39.42 Å
I(0) (倒空间) i0_reciprocal	814700000.0000
解质量估计 total_estimate	0.9030
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	51.6 Å
偏度 Skewness skewness	0.105
峰度 Kurtosis kurtosis	-0.565
角度范围 angular_range	— – 0.2000 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	272600000.0000
实空间数据点数 n_real_points	41
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.941; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.930

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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	Myo-inositol-1-phosphate synthase
分子量 formula_weight	60176.7 kDa
EC 编号 ec_number	5.5.1.4
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	17040

MTEDNIAPITSVKVVTDKCTYKDNELLTKYSYENAVVTKTASGRFDVTPTVQDYVFKLDLKKPEKLGIMLIGLGGNNGSTLVASVLANKHNVEFQTKEGVKQPNYFGSMTQCSTLKLGIDAEGNDVYAPFNSLLPMVSPNDFVVSGWDINNADLYEAMQRSQVLEYDLQQRLKAKMSLVKPLPSIYYPDFIAANQDERANNCINLDEKGNVTTRGKWTHLQRIRRDIQNFKEENALDKVIVLWTANTERYVEVSPGVNDTMENLLQSIKNDHEEIAPSTIFAAASILEGVPYINGSPQNTFVPGLVQLAEHEGTFIAGDDLKSGQTKLKSVLAQFLVDAGIKPVSIASYNHLGNNDGYNLSAPKQFRSKEISKSSVIDDIIASNDILYNDKLGKKVDHCIVIKYMKPVGDSKVAMDEYYSELMLGGHNRISIHNVCEDSLLATPLIIDLLVMTEFCTRVSYKKVDPVKEDAGKFENFYPVLTFLSYWLKAPLTRPGFHPVNGLNKQRTALENFLRLLIGLPSQNELRFEERLL

来源 Source

来源生物 organism	Saccharomyces cerevisiae
通用名 common_name	;baker's yeast ;
NCBI 分类编号 ncbi_taxonomy_id	4932
宿主生物 host_organism	Escherichia coli

Entity 2 non-polymer

描述 description	NICOTINAMIDE-ADENINE-DINUCLEOTIDE
分子量 formula_weight	663.4 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	692

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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	d1la2a1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain

结构域编号 domain_id	d1la2a2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.81 — FwdE/GAPDH domain-like
超家族 Superfamily superfamily	d.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
家族 Family family	d.81.1.3 — Dihydrodipicolinate reductase-like

结构域编号 domain_id	d1la2b1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain

结构域编号 domain_id	d1la2b2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.81 — FwdE/GAPDH domain-like
超家族 Superfamily superfamily	d.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
家族 Family family	d.81.1.3 — Dihydrodipicolinate reductase-like

结构域编号 domain_id	d1la2c1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain

结构域编号 domain_id	d1la2c2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.81 — FwdE/GAPDH domain-like
超家族 Superfamily superfamily	d.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
家族 Family family	d.81.1.3 — Dihydrodipicolinate reductase-like

结构域编号 domain_id	d1la2d1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.2 — NAD(P)-binding Rossmann-fold domains
超家族 Superfamily superfamily	c.2.1 — NAD(P)-binding Rossmann-fold domains
家族 Family family	c.2.1.3 — Glyceraldehyde-3-phosphate dehydrogenase-like, N-terminal domain

结构域编号 domain_id	d1la2d2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.81 — FwdE/GAPDH domain-like
超家族 Superfamily superfamily	d.81.1 — Glyceraldehyde-3-phosphate dehydrogenase-like, C-terminal domain
家族 Family family	d.81.1.3 — Dihydrodipicolinate reductase-like

CATH v4.4 (8 domains)

结构域编号 domain_id	1la2A01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1la2A02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Dihydrodipicolinate Reductase; domain 2

结构域编号 domain_id	1la2B01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1la2B02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Dihydrodipicolinate Reductase; domain 2

结构域编号 domain_id	1la2C01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1la2C02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Dihydrodipicolinate Reductase; domain 2

结构域编号 domain_id	1la2D01
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	720 — NAD(P)-binding Rossmann-like Domain

结构域编号 domain_id	1la2D02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	360 — Dihydrodipicolinate Reductase; domain 2
同源超家族 H-superfamily homologous superfamily	10 — Dihydrodipicolinate Reductase; domain 2

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7. 引用文献 (1)

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晶胞边长 a length_a	155.693 Å
晶胞边长 b length_b	187.346 Å
晶胞边长 c length_c	98.954 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 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

分辨率 resolution	2.650 Å
最低分辨率 resolution_low	19.960 Å
R 因子 r_factor	—
R_work r_work	0.2240
R_free r_free	0.2800

fit	/app/data/saxs_computation/la/1la2/1la2.fit
pddf	/app/data/pr_computation/la/1la2/1la2.pr.out
profile	/app/data/saxs_computation/la/1la2/1la2.dat