8fww

;Structure of the ligand-binding and transmembrane domains of kainate receptor GluK2 in complex with the positive allosteric modulator BPAM344 and noncompetitive inhibitor perampanel ;

Method: ELECTRON MICROSCOPY D_max: 135.5 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

下载 Download SAXS (.dat) P(r) (.pr.out) CIF

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	8fww
沉积日期 deposition_date	2023-01-23
结构标题 title	;Structure of the ligand-binding and transmembrane domains of kainate receptor GluK2 in complex with the positive allosteric modulator BPAM344 and noncompetitive inhibitor perampanel ;
关键词 keywords	iGluR, Kainate receptor, positive allosteric modulator, Perampanel, MEMBRANE PROTEIN; MEMBRANE PROTEIN
实验方法 method	ELECTRON MICROSCOPY

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2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	43.03 Å
回转半径 Rg (电子) rg_electron	42.77 Å
零角强度 I(0) i0	529118000.00
分子量 molecular_weight	205990.0 kDa
排除体积 excluded_volume	264820 Å³
包络体积 envelope_volume	354560 Å³
水化壳体积 shell_volume	68921 Å³
包络直径 envelope_diameter	139.3 Å
壳层 Rg shell_rg	47.60 Å
包络 Rg envelope_rg	42.26 Å
形状 Rg shape_rg	42.79 Å
总 Rg total_rg	42.93 Å
总原子数 total_atoms	14471
残基数 n_residues	1680
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/Å³
壳层衬度 contrast_shell	0.0300 e/Å³
CRYSOL 版本 crysol_version	4.1.3

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3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	135.5 Å
Rg (实空间) rg_real	43.00 Å
Rg 误差 (实空间) rg_real_error	1.13 Å
I(0) (实空间) i0_real	5.2910e+08
I(0) 误差 (实空间) i0_real_error	8.3820e+06
Rg (倒空间) rg_reciprocal	43.04 Å
I(0) (倒空间) i0_reciprocal	529100000.0000
解质量估计 total_estimate	0.8671
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	1
主峰位置 r_peak_primary	44.0 Å
偏度 Skewness skewness	0.274
峰度 Kurtosis kurtosis	-0.550
角度范围 angular_range	— – 0.1850 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	164300000.0000
实空间数据点数 n_real_points	38
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.948; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.424

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

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5. 实体与聚合体信息 (9)

Entity 1 polymer

描述 description	Glutamate receptor ionotropic, kainate 2
分子量 formula_weight	102510.0 kDa
来源方法 src_method	man
拷贝数 entity_count	4

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	14471

MKIISPVLSNLVFSRSIKVLLCLLWIGYSQGTTHVLRFGGIFEYVESGPMGAEELAFRFAVNTINRNRTLLPNTTLTYDTQKINLYDSFEASKKACDQLSLGVAAIFGPSHSSSANAVQSICNALGVPHIQTRWKHQVSDNKDSFYVSLYPDFSSLSRAILDLVQFFKWKTVTVVYDDSTGLIRLQELIKAPSRYNLRLKIRQLPADTKDAKPLLKEMKRGKEFHVIFDCSHEMAAGILKQALAMGMMTEYYHYIFTTLDLFALDVEPYRYSGVNMTGFRILNTENTQVSSIIEKWSMERLQAPPKPDSGLLDGFMTTDAALMYDAVHVVSVAVQQFPQMTVSSLQCNRHKPWRFGTRFMSLIKEAHWEGLTGRITFNKTNGLRTDFDLDVISLKEEGLEKIGTWDPASGLNMTESQKGKPANITDSLSNRSLIVTTILEEPYVLFKKSDKPLYGNDRFEGYCIDLLRELSTILGFTYEIRLVEDGKYGAQDDVNGQWNGMVRELIDHKADLAVAPLAITYVREKVIDFSKPFMTLGISILYRKPNGTNPGVFSFLNPLSPDIWMYVLLACLGVSCVLFVIARFSPYEWYNPHPCNPDSDVVENNFTLLNSFWFGVGALMQQGSELMPKALSTRIVGGIWWFFTLIIISSYTANLAAFLTVERMESPIDSADDLAKQTKIEYGAVEDGATMTFFKKSKISTYDKMWAFMSSRRQSVLVKSNEEGIQRVLTSDYAFLMESTTIEFVTQRNCNLTQIGGLIDSKGYGVGTPMGSPYRDKITIAILQLQEEGKLHMMKEKWWRGNGCPEEESKEASALGVQNIGGIFIVLAAGLVLSVFVAVGEFLYKSKKNAQLEKRSFCSAMVEELRMSLKCQRRLKHKPQAPVIVKTEEVINMHTFNDRRLPGKETMA

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI 分类编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Homo sapiens

Entity 2 branched

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	424.4 kDa
来源方法 src_method	man
拷贝数 entity_count	4

Entity 3 branched

描述 description	;beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	748.7 kDa
来源方法 src_method	man
拷贝数 entity_count	2

Entity 4 non-polymer

描述 description	4-cyclopropyl-7-fluoro-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide
分子量 formula_weight	242.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

Entity 5 non-polymer

描述 description	(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
分子量 formula_weight	760.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	16

Entity 6 non-polymer

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	221.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 7 non-polymer

描述 description	2-(6'-oxo-1'-phenyl[1',6'-dihydro[2,3'-bipyridine]]-5'-yl)benzonitrile
分子量 formula_weight	349.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 8 non-polymer

描述 description	SODIUM ION
分子量 formula_weight	23.0 kDa
来源方法 src_method	syn
拷贝数 entity_count	7

Entity 9 non-polymer

描述 description	CHLORIDE ION
分子量 formula_weight	35.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

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7. 引用文献 (1)

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晶胞边长 a length_a	1.000 Å
晶胞边长 b length_b	1.000 Å
晶胞边长 c length_c	1.000 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	—

空间群 space_group	P 1
空间群编号 int_tables_number	1
晶系 crystal_system	—

分辨率 resolution	3.10 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	291719

fit	/app/data/saxs_computation/fw/8fww/8fww.fit
pddf	/app/data/pr_computation/fw/8fww/8fww.pr.out
profile	/app/data/saxs_computation/fw/8fww/8fww.dat