1j2e

Crystal structure of Human Dipeptidyl peptidase IV

Method: X-RAY DIFFRACTION Dmax: 127.9 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1j2e

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1j2e
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id1j2e
沉积日期 deposition_date2002-12-30
结构标题 titleCrystal structure of Human Dipeptidyl peptidase IV
关键词 keywordsserine protease, dipeptidyl peptidase IV, CD26, prolyl oligopeptidase, beta-propeller structure, 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_guinier39.23
回转半径 Rg (电子) rg_electron38.89
零角强度 I(0) i0429108000.00
分子量 molecular_weight170960.0 kDa
排除体积 excluded_volume213970 ų
包络体积 envelope_volume276670 ų
水化壳体积 shell_volume58643 ų
包络直径 envelope_diameter131.2
壳层 Rg shell_rg45.45
包络 Rg envelope_rg38.49
形状 Rg shape_rg38.85
总 Rg total_rg39.39
总原子数 total_atoms12082
残基数 n_residues1458
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 dmax127.9
Rg (实空间) rg_real39.27
Rg 误差 (实空间) rg_real_error0.94
I(0) (实空间) i0_real4.2910e+08
I(0) 误差 (实空间) i0_real_error7.4960e+06
Rg (倒空间) rg_reciprocal39.25
I(0) (倒空间) i0_reciprocal429100000.0000
解质量估计 total_estimate0.8822
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary41.5
偏度 Skewness skewness0.343
峰度 Kurtosis kurtosis-0.530
角度范围 angular_range— – 0.2000 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha49690000.0000
实空间数据点数 n_real_points41
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.860; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.890

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) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1j2ea1
类 Class classb — All beta proteins
折叠类型 Fold foldb.70 — 8-bladed beta-propeller
超家族 Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
家族 Family familyb.70.3.1 — DPP6 N-terminal domain-like
结构域编号 domain_idd1j2ea2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
家族 Family familyc.69.1.24 — DPP6 catalytic domain-like
结构域编号 domain_idd1j2eb1
类 Class classb — All beta proteins
折叠类型 Fold foldb.70 — 8-bladed beta-propeller
超家族 Superfamily superfamilyb.70.3 — DPP6 N-terminal domain-like
家族 Family familyb.70.3.1 — DPP6 N-terminal domain-like
结构域编号 domain_idd1j2eb2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.69 — alpha/beta-Hydrolases
超家族 Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
家族 Family familyc.69.1.24 — DPP6 catalytic domain-like

CATH v4.4 (4 domains)

结构域编号 domain_id1j2eA01
类 Class class2 — Mainly Beta
架构 Architecture architecture140 — 8 Propeller
拓扑 Topology topology10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
结构域编号 domain_id1j2eA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
结构域编号 domain_id1j2eB01
类 Class class2 — Mainly Beta
架构 Architecture architecture140 — 8 Propeller
拓扑 Topology topology10 — Methanol Dehydrogenase; Chain A
同源超家族 H-superfamily homologous superfamily30 — Dipeptidylpeptidase IV, N-terminal domain
结构域编号 domain_id1j2eB02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain

7. 引用文献 (1)

8. 文件与曲线 (10)