1ftk

CRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2I) IN COMPLEX WITH KAINATE AT 1.6 A RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 59.0 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1ftk

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1ftk
沉积日期 deposition_date2000-09-12
结构标题 titleCRYSTAL STRUCTURE OF THE GLUR2 LIGAND BINDING CORE (S1S2I) IN COMPLEX WITH KAINATE AT 1.6 A RESOLUTION
关键词 keywordsGluR2, S1S2, ligand binding domain, kainate, partial agonist, ionotropic glutamate receptor, MEMBRANE PROTEIN; MEMBRANE PROTEIN
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_guinier19.31
回转半径 Rg (电子) rg_electron18.13
零角强度 I(0) i012808100.00
分子量 molecular_weight26921.0 kDa
排除体积 excluded_volume33766 ų
包络体积 envelope_volume38882 ų
水化壳体积 shell_volume17952 ų
包络直径 envelope_diameter64.9
壳层 Rg shell_rg24.22
包络 Rg envelope_rg18.46
形状 Rg shape_rg18.11
总 Rg total_rg19.11
总原子数 total_atoms1889
残基数 n_residues250
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 dmax59.0
Rg (实空间) rg_real19.39
Rg 误差 (实空间) rg_real_error0.09
I(0) (实空间) i0_real1.2490e+07
I(0) 误差 (实空间) i0_real_error1.0890e+05
Rg (倒空间) rg_reciprocal19.24
I(0) (倒空间) i0_reciprocal12810000.0000
解质量估计 total_estimate0.6954
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary22.4
偏度 Skewness skewness0.253
峰度 Kurtosis kurtosis-0.368
角度范围 angular_range— – 0.4100 −1
当前正则化参数 α current_alpha8.9420
最高正则化参数 α highest_alpha2816000.0000
实空间数据点数 n_real_points72
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.952; Stabil: 0.926; Sysdev: 0.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.433

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) 3 domains

SCOP 2.08 (1 domains)

结构域编号 domain_idd1ftka_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.94 — Periplasmic binding protein-like II
超家族 Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
家族 Family familyc.94.1.1 — Phosphate binding protein-like

CATH v4.4 (2 domains)

结构域编号 domain_id1ftkA01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily10 — Periplasmic binding protein-like II
结构域编号 domain_id1ftkA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily10 — Periplasmic binding protein-like II

7. 引用文献 (2)

8. 文件与曲线 (10)