1iru

Crystal Structure of the mammalian 20S proteasome at 2.75 A resolution

Method: X-RAY DIFFRACTION Dmax: 197.5 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1iru

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1iru
沉积日期 deposition_date2001-10-24
结构标题 titleCrystal Structure of the mammalian 20S proteasome at 2.75 A resolution
关键词 keywords20S proteasome, cell cycle, Immune response, proteolysis, ubiquitin, 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_guinier60.09
回转半径 Rg (电子) rg_electron59.51
零角强度 I(0) i06582370000.00
分子量 molecular_weight677610.0 kDa
排除体积 excluded_volume844520 ų
包络体积 envelope_volume1215000 ų
水化壳体积 shell_volume164510 ų
包络直径 envelope_diameter199.0
壳层 Rg shell_rg67.04
包络 Rg envelope_rg57.47
形状 Rg shape_rg59.54
总 Rg total_rg59.58
总原子数 total_atoms47592
残基数 n_residues6286
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 dmax197.5
Rg (实空间) rg_real59.83
Rg 误差 (实空间) rg_real_error1.44
I(0) (实空间) i0_real6.5820e+09
I(0) 误差 (实空间) i0_real_error1.2150e+08
Rg (倒空间) rg_reciprocal60.29
I(0) (倒空间) i0_reciprocal6587000000.0000
解质量估计 total_estimate0.8554
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary76.0
偏度 Skewness skewness0.227
峰度 Kurtosis kurtosis-0.398
角度范围 angular_range— – 0.1300 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha894000000.0000
实空间数据点数 n_real_points27
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.772; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.846

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

5. 实体与聚合体信息 (16)

6. 折叠分类 (SCOP + CATH) 56 domains

SCOP 2.08 (28 domains)

结构域编号 domain_idd1iru1_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iru2_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irua_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irub_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruc_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irud_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irue_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruf_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irug_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruh_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irui_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruj_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruk_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irul_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irum_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irun_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruo_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irup_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruq_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irur_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irus_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irut_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruu_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruv_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruw_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1irux_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruy_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits
结构域编号 domain_idd1iruz_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.153 — Ntn hydrolase-like
超家族 Superfamily superfamilyd.153.1 — N-terminal nucleophile aminohydrolases (Ntn hydrolases)
家族 Family familyd.153.1.4 — Proteasome subunits

CATH v4.4 (28 domains)

结构域编号 domain_id1iru100
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iru200
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruA00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruB00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruC00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruD00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruE00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruF00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruG00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruH00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruI00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruJ00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruK00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruL00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruM00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruN00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruO00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruP00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruQ00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruR00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruS00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruT00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruU00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruV00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruW00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruX00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruY00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain
结构域编号 domain_id1iruZ00
类 Class class3 — Alpha Beta
架构 Architecture architecture60 — 4-Layer Sandwich
拓扑 Topology topology20 — Glutamine Phosphoribosylpyrophosphate, subunit 1, domain 1
同源超家族 H-superfamily homologous superfamily10 — Aminohydrolase, N-terminal nucleophile (Ntn) domain

7. 引用文献 (1)

8. 文件与曲线 (10)