1vfu

Crystal structure of Thermoactinomyces vulgaris R-47 amylase 2/gamma-cyclodextrin complex

Method: X-RAY DIFFRACTION Dmax: 108.6 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1vfu

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1vfu
沉积日期 deposition_date2004-04-19
结构标题 titleCrystal structure of Thermoactinomyces vulgaris R-47 amylase 2/gamma-cyclodextrin complex
关键词 keywordsamylase, complex, cyclodextrin, hydrolase; HYDROLASE
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_guinier33.96
回转半径 Rg (电子) rg_electron33.12
零角强度 I(0) i0288446000.00
分子量 molecular_weight137600.0 kDa
排除体积 excluded_volume172100 ų
包络体积 envelope_volume207220 ų
水化壳体积 shell_volume51201 ų
包络直径 envelope_diameter118.1
壳层 Rg shell_rg40.97
包络 Rg envelope_rg32.95
形状 Rg shape_rg33.09
总 Rg total_rg33.78
总原子数 total_atoms9730
残基数 n_residues1170
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 dmax108.6
Rg (实空间) rg_real33.89
Rg 误差 (实空间) rg_real_error0.80
I(0) (实空间) i0_real2.8840e+08
I(0) 误差 (实空间) i0_real_error4.3600e+06
Rg (倒空间) rg_reciprocal33.94
I(0) (倒空间) i0_reciprocal288500000.0000
解质量估计 total_estimate0.8982
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary39.3
偏度 Skewness skewness0.287
峰度 Kurtosis kurtosis-0.442
角度范围 angular_range— – 0.2350 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha82300000.0000
实空间数据点数 n_real_points48
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.908; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.952

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) 14 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1vfua1
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.18 — E set domains
家族 Family familyb.1.18.0 — automated matches
结构域编号 domain_idd1vfua2
类 Class classb — All beta proteins
折叠类型 Fold foldb.71 — Glycosyl hydrolase domain
超家族 Superfamily superfamilyb.71.1 — Glycosyl hydrolase domain
家族 Family familyb.71.1.0 — automated matches
结构域编号 domain_idd1vfua3
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.1.8 — (Trans)glycosidases
家族 Family familyc.1.8.1 — Amylase, catalytic domain
结构域编号 domain_idd1vfub1
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.18 — E set domains
家族 Family familyb.1.18.0 — automated matches
结构域编号 domain_idd1vfub2
类 Class classb — All beta proteins
折叠类型 Fold foldb.71 — Glycosyl hydrolase domain
超家族 Superfamily superfamilyb.71.1 — Glycosyl hydrolase domain
家族 Family familyb.71.1.0 — automated matches
结构域编号 domain_idd1vfub3
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.1.8 — (Trans)glycosidases
家族 Family familyc.1.8.1 — Amylase, catalytic domain

CATH v4.4 (8 domains)

结构域编号 domain_id1vfuA01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id1vfuA02
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 superfamily80 — Glycosidases
结构域编号 domain_id1vfuA03
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology400 — Oligo-1,6-glucosidase; domain 2
同源超家族 H-superfamily homologous superfamily10 — Oligo-1,6-glucosidase; Domain 2
结构域编号 domain_id1vfuA04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily1180 — Golgi alpha-mannosidase II
结构域编号 domain_id1vfuB01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id1vfuB02
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 superfamily80 — Glycosidases
结构域编号 domain_id1vfuB03
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology400 — Oligo-1,6-glucosidase; domain 2
同源超家族 H-superfamily homologous superfamily10 — Oligo-1,6-glucosidase; Domain 2
结构域编号 domain_id1vfuB04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily1180 — Golgi alpha-mannosidase II

7. 引用文献 (1)

8. 文件与曲线 (10)