1tqj

Crystal structure of D-ribulose 5-phosphate 3-epimerase from Synechocystis to 1.6 angstrom resolution

Method: X-RAY DIFFRACTION Dmax: 97.5 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 1tqj

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1tqj
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1tqj
沉积日期 deposition_date2004-06-17
结构标题 titleCrystal structure of D-ribulose 5-phosphate 3-epimerase from Synechocystis to 1.6 angstrom resolution
关键词 keywordsbeta-alpha barrel epimerase, ISOMERASE; ISOMERASE
实验方法 methodX-RAY DIFFRACTION

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier33.09
回转半径 Rg (电子) rg_electron31.85
零角强度 I(0) i0287478000.00
分子量 molecular_weight139800.0 kDa
排除体积 excluded_volume176520 ų
包络体积 envelope_volume210530 ų
水化壳体积 shell_volume52555 ų
包络直径 envelope_diameter106.3
壳层 Rg shell_rg40.79
包络 Rg envelope_rg31.78
形状 Rg shape_rg31.86
总 Rg total_rg32.50
总原子数 total_atoms9848
残基数 n_residues1297
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax97.5
Rg (实空间) rg_real32.79
Rg 误差 (实空间) rg_real_error0.44
I(0) (实空间) i0_real2.8750e+08
I(0) 误差 (实空间) i0_real_error3.8810e+06
Rg (倒空间) rg_reciprocal32.92
I(0) (倒空间) i0_reciprocal287500000.0000
解质量估计 total_estimate0.9092
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary44.7
偏度 Skewness skewness0.023
峰度 Kurtosis kurtosis-0.625
角度范围 angular_range— – 0.2400 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha93270000.0000
实空间数据点数 n_real_points49
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.960; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.975; Smooth: 0.961

4. 晶体学与实验 4. Crystallography & Experiment

5. 实体与聚合体信息 (2)

6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1tqja_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase
结构域编号 domain_idd1tqjb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase
结构域编号 domain_idd1tqjc_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase
结构域编号 domain_idd1tqjd_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase
结构域编号 domain_idd1tqje_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase
结构域编号 domain_idd1tqjf_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.2 — Ribulose-phoshate binding barrel
家族 Family familyc.1.2.2 — D-ribulose-5-phosphate 3-epimerase

CATH v4.4 (6 domains)

结构域编号 domain_id1tqjA00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I
结构域编号 domain_id1tqjB00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I
结构域编号 domain_id1tqjC00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I
结构域编号 domain_id1tqjD00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I
结构域编号 domain_id1tqjE00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I
结构域编号 domain_id1tqjF00
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily70 — Aldolase class I

7. 引用文献 (1)

8. 文件与曲线 (10)