;Crystal structure of the AMPA receptor GluA2-L504Y-N775S ligand binding domain in complex with L-glutamate and positive allosteric modulator BPAM395 at 1.55A resolution ;

条目编号 entry_id	8qez
沉积日期 deposition_date	2023-09-01
结构标题 title	;Crystal structure of the AMPA receptor GluA2-L504Y-N775S ligand binding domain in complex with L-glutamate and positive allosteric modulator BPAM395 at 1.55A resolution ;
关键词 keywords	AMPA RECEPTOR LIGAND-BINDING DOMAIN, GLUA2 S1S2J-L504Y-N775S, BPAM395, POSITIVE ALLOSTERIC MODULATION, MEMBRANE PROTEIN; MEMBRANE PROTEIN
实验方法 method	X-RAY DIFFRACTION

回转半径 Rg (Guinier) rg_guinier	31.34 Å
回转半径 Rg (电子) rg_electron	30.72 Å
零角强度 I(0) i0	131245000.00
分子量 molecular_weight	90575.0 kDa
排除体积 excluded_volume	113270 ų
包络体积 envelope_volume	144130 ų
水化壳体积 shell_volume	39405 ų
包络直径 envelope_diameter	109.3 Å
壳层 Rg shell_rg	37.34 Å
包络 Rg envelope_rg	30.71 Å
形状 Rg shape_rg	30.69 Å
总 Rg total_rg	31.39 Å
总原子数 total_atoms	12640
残基数 n_residues	792
球谐函数阶数 n_harmonics	20
q 范围 q_range	— – 0.5000 Å−1
数据点数 n_points	101
壳层类型 shell_type	directional
溶剂电子密度 solvent_density	0.3340 e/ų
壳层衬度 contrast_shell	0.0300 e/ų
CRYSOL 版本 crysol_version	4.1.3

最大尺寸 Dmax dmax	101.8 Å
Rg (实空间) rg_real	31.35 Å
Rg 误差 (实空间) rg_real_error	0.77 Å
I(0) (实空间) i0_real	1.3120e+08
I(0) 误差 (实空间) i0_real_error	1.9800e+06
Rg (倒空间) rg_reciprocal	31.35 Å
I(0) (倒空间) i0_reciprocal	131200000.0000
解质量估计 total_estimate	0.8920
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	36.0 Å
偏度 Skewness skewness	0.364
峰度 Kurtosis kurtosis	-0.360
角度范围 angular_range	— – 0.2550 Å−1
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	29470000.0000
实空间数据点数 n_real_points	52
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.899; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.915

晶胞参数 Unit Cell

晶胞边长 a length_a	114.316 Å
晶胞边长 b length_b	163.416 Å
晶胞边长 c length_c	47.466 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	12

对称性 Symmetry

空间群 space_group	P 21 21 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

精修参数 Refinement

分辨率 resolution	1.550 Å
最低分辨率 resolution_low	49.170 Å
R 因子 r_factor	0.1690
R_work r_work	0.1676
R_free r_free	0.1952

衍射实验 Diffraction

实验温度 temperature

100.0 K

Files (7)

• pr_distribution /app/data/pr_computation/qe/8qez/pr_distribution.json
• pr_output /app/data/pr_computation/qe/8qez/8qez.pr.out
• pr_plot /app/data/visualization/pr_computation/qe/8qez/8qez_pr_distribution.png
• saxs_curve_dat /app/data/saxs_computation/qe/8qez/8qez.dat
• saxs_fit /app/data/saxs_computation/qe/8qez/8qez.fit
• saxs_log /app/data/saxs_computation/qe/8qez/8qez.log
• saxs_plot /app/data/visualization/saxs_computation/qe/8qez/8qez_saxs_profile.png

Curves (3)

fit	/app/data/saxs_computation/qe/8qez/8qez.fit
pddf	/app/data/pr_computation/qe/8qez/8qez.pr.out
profile	/app/data/saxs_computation/qe/8qez/8qez.dat