1k3b

;Crystal Structure of Human Dipeptidyl Peptidase I (Cathepsin C): Exclusion Domain Added to an Endopeptidase Framework Creates the Machine for Activation of Granular Serine Proteases ;

Method: X-RAY DIFFRACTION Dmax: 68.3 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1k3b

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1k3b
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1k3b
沉积日期 deposition_date2001-10-02
结构标题 title;Crystal Structure of Human Dipeptidyl Peptidase I (Cathepsin C): Exclusion Domain Added to an Endopeptidase Framework Creates the Machine for Activation of Granular Serine Proteases ;
关键词 keywordshydrolase; 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_guinier21.24
回转半径 Rg (电子) rg_electron20.17
零角强度 I(0) i028126200.00
分子量 molecular_weight40039.0 kDa
排除体积 excluded_volume49642 ų
包络体积 envelope_volume56552 ų
水化壳体积 shell_volume22953 ų
包络直径 envelope_diameter69.3
壳层 Rg shell_rg27.18
包络 Rg envelope_rg20.52
形状 Rg shape_rg20.14
总 Rg total_rg21.12
总原子数 total_atoms2814
残基数 n_residues352
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 dmax68.3
Rg (实空间) rg_real21.13
Rg 误差 (实空间) rg_real_error0.32
I(0) (实空间) i0_real2.8130e+07
I(0) 误差 (实空间) i0_real_error3.3070e+05
Rg (倒空间) rg_reciprocal21.15
I(0) (倒空间) i0_reciprocal28130000.0000
解质量估计 total_estimate0.8936
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary26.1
偏度 Skewness skewness0.211
峰度 Kurtosis kurtosis-0.399
角度范围 angular_range— – 0.3750 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha5129000.0000
实空间数据点数 n_real_points69
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.872; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.999

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

5. 实体与聚合体信息 (7)

6. 折叠分类 (SCOP + CATH) 5 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1k3b.1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.3 — Cysteine proteinases
超家族 Superfamily superfamilyd.3.1 — Cysteine proteinases
家族 Family familyd.3.1.1 — Papain-like
结构域编号 domain_idd1k3ba_
类 Class classb — All beta proteins
折叠类型 Fold foldb.61 — Streptavidin-like
超家族 Superfamily superfamilyb.61.5 — Dipeptidyl peptidase I (cathepsin C), exclusion domain
家族 Family familyb.61.5.1 — Dipeptidyl peptidase I (cathepsin C), exclusion domain

CATH v4.4 (3 domains)

结构域编号 domain_id1k3bA00
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology128 — Lipocalin
同源超家族 H-superfamily homologous superfamily80 — Cathepsin C, exclusion domain
结构域编号 domain_id1k3bB01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology70 — Cathepsin B; Chain A
同源超家族 H-superfamily homologous superfamily10 — Cysteine proteinases
结构域编号 domain_id1k3bC00
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily170 — Cysteine proteinases. Chain C

7. 引用文献 (1)

8. 文件与曲线 (10)