1yex

Structural and biochemical analysis of the link between enzymatic activity and oligomerization in AhpC, a bacterial peroxiredoxin.

Method: X-RAY DIFFRACTION Dmax: 124.4 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1yex

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1yex
沉积日期 deposition_date2004-12-28
结构标题 titleStructural and biochemical analysis of the link between enzymatic activity and oligomerization in AhpC, a bacterial peroxiredoxin.
关键词 keywordsAHPC, Peroxiredoxin, peroxidase, OXIDOREDUCTASE; OXIDOREDUCTASE
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_guinier37.11
回转半径 Rg (电子) rg_electron37.16
零角强度 I(0) i0135610000.00
分子量 molecular_weight92819.0 kDa
排除体积 excluded_volume115400 ų
包络体积 envelope_volume152270 ų
水化壳体积 shell_volume35616 ų
包络直径 envelope_diameter126.8
壳层 Rg shell_rg41.32
包络 Rg envelope_rg36.72
形状 Rg shape_rg37.15
总 Rg total_rg37.44
总原子数 total_atoms6546
残基数 n_residues826
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 dmax124.4
Rg (实空间) rg_real37.42
Rg 误差 (实空间) rg_real_error1.09
I(0) (实空间) i0_real1.3560e+08
I(0) 误差 (实空间) i0_real_error2.4240e+06
Rg (倒空间) rg_reciprocal37.24
I(0) (倒空间) i0_reciprocal135600000.0000
解质量估计 total_estimate0.8114
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary28.9
偏度 Skewness skewness0.395
峰度 Kurtosis kurtosis-0.715
角度范围 angular_range— – 0.2150 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha42450000.0000
实空间数据点数 n_real_points44
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.728; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.552; Smooth: 0.808

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

5. 实体与聚合体信息 (3)

6. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (5 domains)

结构域编号 domain_idd1yexa1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.10 — Glutathione peroxidase-like
结构域编号 domain_idd1yexb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.10 — Glutathione peroxidase-like
结构域编号 domain_idd1yexc_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.10 — Glutathione peroxidase-like
结构域编号 domain_idd1yexd_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.10 — Glutathione peroxidase-like
结构域编号 domain_idd1yexe_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.10 — Glutathione peroxidase-like

CATH v4.4 (5 domains)

结构域编号 domain_id1yexA00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin
结构域编号 domain_id1yexB00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin
结构域编号 domain_id1yexC00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin
结构域编号 domain_id1yexD00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin
结构域编号 domain_id1yexE00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin

7. 引用文献 (1)

8. 文件与曲线 (10)