1w8s

The mechanism of the Schiff Base Forming Fructose-1,6-bisphosphate Aldolase: Structural analysis of reaction intermediates

Method: X-RAY DIFFRACTION D_max: 116.6 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	1w8s
沉积日期 deposition_date	2004-09-27
结构标题 title	The mechanism of the Schiff Base Forming Fructose-1,6-bisphosphate Aldolase: Structural analysis of reaction intermediates
关键词 keywords	ALDOLASE, FRUCTOSE 1, 6-BISPHOSPHATE, TIM BARREL, GLYCOLYTIC, ARCHAEAL, CATALYTIC MECHANISM, REACTION INTERMEDIATE, 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	40.22 Å
回转半径 Rg (电子) rg_electron	39.31 Å
零角强度 I(0) i0	1066480000.00
分子量 molecular_weight	276560.0 kDa
排除体积 excluded_volume	349240 Å³
包络体积 envelope_volume	418080 Å³
水化壳体积 shell_volume	82962 Å³
包络直径 envelope_diameter	121.5 Å
壳层 Rg shell_rg	48.79 Å
包络 Rg envelope_rg	38.84 Å
形状 Rg shape_rg	39.30 Å
总 Rg total_rg	39.78 Å
总原子数 total_atoms	19498
残基数 n_residues	2502
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	116.6 Å
Rg (实空间) rg_real	39.93 Å
Rg 误差 (实空间) rg_real_error	0.39 Å
I(0) (实空间) i0_real	1.0660e+09
I(0) 误差 (实空间) i0_real_error	1.6340e+07
Rg (倒空间) rg_reciprocal	40.21 Å
I(0) (倒空间) i0_reciprocal	1067000000.0000
解质量估计 total_estimate	0.8816
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	56.8 Å
偏度 Skewness skewness	-0.023
峰度 Kurtosis kurtosis	-0.513
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	564100000.0000
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: 0.931; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.953; Smooth: 0.712

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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	FRUCTOSE-BISPHOSPHATE ALDOLASE CLASS I
分子量 formula_weight	28668.0 kDa
EC 编号 ec_number	4.1.2.13
突变 mutation	YES
来源方法 src_method	man
拷贝数 entity_count	10

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F,G,H,I,J
原子数 atom_count	20960

MANLTEKFLRIFARRGKSIILAYDHGIEHGPADFMDNPDSADPEYILRLARDAGFDGVVFQRGIAEKYYDGSVPLILKLNGKTTLYNGEPVSVANCSVEEAVSLGASAVGYTIYPGSGFEWKMFEELARIKRDAVKFDLPLVVESFPRGGKVVNETAPEIVAYAARIALELGADAMKIKYTGDPKTFSWAVKVAGKVPVLMSGGPKTKTEEDFLKQVEGVLEAGALGIAVGRNVWQRRDALKFARALAELVYGGKKLAEPLNV

来源 Source

来源生物 organism	THERMOPROTEUS TENAX
NCBI 分类编号 ncbi_taxonomy_id	2271
宿主生物 host_organism	Escherichia coli BL21(DE3)

Entity 2 non-polymer

描述 description	1,6-di-O-phosphono-beta-D-fructofuranose
分子量 formula_weight	340.1 kDa
来源方法 src_method	man
拷贝数 entity_count	10

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	1362

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6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (10 domains)

结构域编号 domain_id	d1w8sa1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sb_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sc_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sd_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8se_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sf_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sg_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sh_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8si_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

结构域编号 domain_id	d1w8sj_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.10 — Aldolase
家族 Family family	c.1.10.1 — Class I aldolase

CATH v4.4 (10 domains)

结构域编号 domain_id	1w8sA00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sB00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sC00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sD00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sE00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sF00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sG00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sH00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sI00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

结构域编号 domain_id	1w8sJ00
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	70 — Aldolase class I

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7. 引用文献 (1)

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晶胞边长 a length_a	82.500 Å
晶胞边长 b length_b	157.300 Å
晶胞边长 c length_c	101.200 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	107.90 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	20

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	1.850 Å
最低分辨率 resolution_low	40.000 Å
R 因子 r_factor	0.1490
R_work r_work	0.1490
R_free r_free	0.1870

fit	/app/data/saxs_computation/w8/1w8s/1w8s.fit
pddf	/app/data/pr_computation/w8/1w8s/1w8s.pr.out
profile	/app/data/saxs_computation/w8/1w8s/1w8s.dat