1nqv

;Crystal Structure of Lumazine Synthase from Aquifex aeolicus in Complex with Inhibitor: 5-nitroso-6-ribityl-amino-2,4(1H,3H)pyrimidinedione ;

Method: X-RAY DIFFRACTION Dmax: 82.0 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 1nqv

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1nqv
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id1nqv
沉积日期 deposition_date2003-01-23
结构标题 title;Crystal Structure of Lumazine Synthase from Aquifex aeolicus in Complex with Inhibitor: 5-nitroso-6-ribityl-amino-2,4(1H,3H)pyrimidinedione ;
关键词 keywordsLumazine synthase, Aquifex aeolicus, inhibitor complex, vitamin biosynthesis, catalytic mechanism, TRANSFERASE; TRANSFERASE
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_guinier27.54
回转半径 Rg (电子) rg_electron26.32
零角强度 I(0) i0118976000.00
分子量 molecular_weight85437.0 kDa
排除体积 excluded_volume106910 ų
包络体积 envelope_volume122710 ų
水化壳体积 shell_volume36986 ų
包络直径 envelope_diameter81.5
壳层 Rg shell_rg35.11
包络 Rg envelope_rg26.37
形状 Rg shape_rg26.29
总 Rg total_rg27.24
总原子数 total_atoms6010
残基数 n_residues770
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 dmax82.0
Rg (实空间) rg_real27.34
Rg 误差 (实空间) rg_real_error0.47
I(0) (实空间) i0_real1.1900e+08
I(0) 误差 (实空间) i0_real_error1.7270e+06
Rg (倒空间) rg_reciprocal27.41
I(0) (倒空间) i0_reciprocal119000000.0000
解质量估计 total_estimate0.9107
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary33.9
偏度 Skewness skewness0.116
峰度 Kurtosis kurtosis-0.565
角度范围 angular_range— – 0.2900 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha29960000.0000
实空间数据点数 n_real_points59
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.964; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.957

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

5. 实体与聚合体信息 (4)

6. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

结构域编号 domain_idd1nqva_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.16 — Lumazine synthase
超家族 Superfamily superfamilyc.16.1 — Lumazine synthase
家族 Family familyc.16.1.1 — Lumazine synthase
结构域编号 domain_idd1nqvb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.16 — Lumazine synthase
超家族 Superfamily superfamilyc.16.1 — Lumazine synthase
家族 Family familyc.16.1.1 — Lumazine synthase
结构域编号 domain_idd1nqvc_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.16 — Lumazine synthase
超家族 Superfamily superfamilyc.16.1 — Lumazine synthase
家族 Family familyc.16.1.1 — Lumazine synthase
结构域编号 domain_idd1nqvd_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.16 — Lumazine synthase
超家族 Superfamily superfamilyc.16.1 — Lumazine synthase
家族 Family familyc.16.1.1 — Lumazine synthase
结构域编号 domain_idd1nqve_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.16 — Lumazine synthase
超家族 Superfamily superfamilyc.16.1 — Lumazine synthase
家族 Family familyc.16.1.1 — Lumazine synthase

CATH v4.4 (5 domains)

结构域编号 domain_id1nqvA00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily960 — Lumazine/riboflavin synthase
结构域编号 domain_id1nqvB00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily960 — Lumazine/riboflavin synthase
结构域编号 domain_id1nqvC00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily960 — Lumazine/riboflavin synthase
结构域编号 domain_id1nqvD00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily960 — Lumazine/riboflavin synthase
结构域编号 domain_id1nqvE00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily960 — Lumazine/riboflavin synthase

7. 引用文献 (1)

8. 文件与曲线 (10)