2hpo

Structure of Aminopeptidase N from E. coli Suggests a Compartmentalized, Gated Active Site

Method: X-RAY DIFFRACTION Dmax: 94.7 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 2hpo

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2hpo
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id2hpo
沉积日期 deposition_date2006-07-17
结构标题 titleStructure of Aminopeptidase N from E. coli Suggests a Compartmentalized, Gated Active Site
关键词 keywordsmultidomain, closed, compartmentalized active site, 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_guinier28.92
回转半径 Rg (电子) rg_electron28.05
零角强度 I(0) i0156313000.00
分子量 molecular_weight98646.0 kDa
排除体积 excluded_volume123110 ų
包络体积 envelope_volume147160 ų
水化壳体积 shell_volume42398 ų
包络直径 envelope_diameter103.9
壳层 Rg shell_rg36.58
包络 Rg envelope_rg28.12
形状 Rg shape_rg28.07
总 Rg total_rg28.74
总原子数 total_atoms6953
残基数 n_residues866
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 dmax94.7
Rg (实空间) rg_real28.82
Rg 误差 (实空间) rg_real_error0.57
I(0) (实空间) i0_real1.5630e+08
I(0) 误差 (实空间) i0_real_error2.3770e+06
Rg (倒空间) rg_reciprocal28.86
I(0) (倒空间) i0_reciprocal156300000.0000
解质量估计 total_estimate0.8813
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary36.1
偏度 Skewness skewness0.274
峰度 Kurtosis kurtosis-0.247
角度范围 angular_range— – 0.2750 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha46930000.0000
实空间数据点数 n_real_points56
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.822; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.987

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) 5 domains

CATH v4.4 (5 domains)

结构域编号 domain_id2hpoA01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily1730 — tricorn interacting facor f3 domain
结构域编号 domain_id2hpoA02
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology2010 — Zincin-like
同源超家族 H-superfamily homologous superfamily30
结构域编号 domain_id2hpoA03
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology390 — Neutral Protease; domain 2
同源超家族 H-superfamily homologous superfamily10 — Neutral Protease Domain 2
结构域编号 domain_id2hpoA04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily1840 — Aminopeptidase N, middle-beta domain
结构域编号 domain_id2hpoA05
类 Class class1 — Mainly Alpha
架构 Architecture architecture25 — Alpha Horseshoe
拓扑 Topology topology50 — Zincin-like fold
同源超家族 H-superfamily homologous superfamily10 — Peptidase M1, alanyl aminopeptidase, C-terminal domain

7. 引用文献 (1)

8. 文件与曲线 (10)