2ast

Crystal structure of Skp1-Skp2-Cks1 in complex with a p27 peptide

Method: X-RAY DIFFRACTION Dmax: 94.8 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 2ast

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id2ast
沉积日期 deposition_date2005-08-24
结构标题 titleCrystal structure of Skp1-Skp2-Cks1 in complex with a p27 peptide
关键词 keywordsSCF-substrate complex, LRR, CELL CYCLE, PROTEIN TURNOVER COMPLEX, LIGASE-LIGASE INHIBITOR complex; LIGASE/LIGASE INHIBITOR
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_guinier29.64
回转半径 Rg (电子) rg_electron29.30
零角强度 I(0) i062191000.00
分子量 molecular_weight62544.0 kDa
排除体积 excluded_volume78656 ų
包络体积 envelope_volume100980 ų
水化壳体积 shell_volume29749 ų
包络直径 envelope_diameter102.5
壳层 Rg shell_rg35.47
包络 Rg envelope_rg29.28
形状 Rg shape_rg29.30
总 Rg total_rg29.94
总原子数 total_atoms4395
残基数 n_residues545
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 dmax94.8
Rg (实空间) rg_real29.74
Rg 误差 (实空间) rg_real_error0.66
I(0) (实空间) i0_real6.2190e+07
I(0) 误差 (实空间) i0_real_error9.6640e+05
Rg (倒空间) rg_reciprocal29.70
I(0) (倒空间) i0_reciprocal62190000.0000
解质量估计 total_estimate0.8827
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary26.8
偏度 Skewness skewness0.370
峰度 Kurtosis kurtosis-0.608
角度范围 angular_range— – 0.2650 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha23310000.0000
实空间数据点数 n_real_points54
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.891; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.922; Smooth: 0.876

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

5. 实体与聚合体信息 (6)

6. 折叠分类 (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd2astb1
类 Class classa — All alpha proteins
折叠类型 Fold folda.158 — F-box domain
超家族 Superfamily superfamilya.158.1 — F-box domain
家族 Family familya.158.1.1 — F-box domain
结构域编号 domain_idd2astb2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
超家族 Superfamily superfamilyc.10.1 — RNI-like
家族 Family familyc.10.1.3 — Cyclin A/CDK2-associated p19, Skp2
结构域编号 domain_idd2astc_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.97 — Cell cycle regulatory proteins
超家族 Superfamily superfamilyd.97.1 — Cell cycle regulatory proteins
家族 Family familyd.97.1.1 — Cell cycle regulatory proteins

CATH v4.4 (3 domains)

结构域编号 domain_id2astA00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology710 — Potassium Channel Kv1.1; Chain A
同源超家族 H-superfamily homologous superfamily10 — Potassium Channel Kv1.1; Chain A
结构域编号 domain_id2astB00
类 Class class3 — Alpha Beta
架构 Architecture architecture80 — Alpha-Beta Horseshoe
拓扑 Topology topology10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
同源超家族 H-superfamily homologous superfamily10 — Ribonuclease Inhibitor
结构域编号 domain_id2astC00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology170 — Cyclin-Dependent Kinase Subunit Type 2
同源超家族 H-superfamily homologous superfamily10 — Cyclin-dependent kinase, regulatory subunit

7. 引用文献 (1)

8. 文件与曲线 (10)