9iv8

Cryo-EM structure of human NCX1 in PIP2 diC8 bound state

Method: ELECTRON MICROSCOPY D_max: 140.7 Å Quality: REASONABLE

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	9iv8
沉积日期 deposition_date	2024-07-23
结构标题 title	Cryo-EM structure of human NCX1 in PIP2 diC8 bound state
关键词 keywords	sodium calcium exchanger, Na/Ca exchanger, TRANSPORT PROTEIN; TRANSPORT 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	41.82 Å
回转半径 Rg (电子) rg_electron	42.41 Å
零角强度 I(0) i0	98410700.00
分子量 molecular_weight	84402.0 kDa
排除体积 excluded_volume	107370 Å³
包络体积 envelope_volume	157000 Å³
水化壳体积 shell_volume	34621 Å³
包络直径 envelope_diameter	150.4 Å
壳层 Rg shell_rg	41.35 Å
包络 Rg envelope_rg	42.36 Å
形状 Rg shape_rg	42.40 Å
总 Rg total_rg	42.36 Å
总原子数 total_atoms	5947
残基数 n_residues	750
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	140.7 Å
Rg (实空间) rg_real	42.39 Å
Rg 误差 (实空间) rg_real_error	1.53 Å
I(0) (实空间) i0_real	9.8410e+07
I(0) 误差 (实空间) i0_real_error	1.9130e+06
Rg (倒空间) rg_reciprocal	41.83 Å
I(0) (倒空间) i0_reciprocal	98350000.0000
解质量估计 total_estimate	0.7371
解质量评级 solution_quality	REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	29.6 Å
偏度 Skewness skewness	0.547
峰度 Kurtosis kurtosis	-0.540
角度范围 angular_range	— – 0.1900 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	5958000.0000
实空间数据点数 n_real_points	39
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.610; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.505; Smooth: 0.242

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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 (3)

Entity 1 polymer

描述 description	Sodium/calcium exchanger 1
分子量 formula_weight	109181.1 kDa
来源方法 src_method	man
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	A
原子数 atom_count	5947

MYNMRRLSLSPTFSMGFHLLVTVSLLFSHVDHVIAETEMEGEGNETGECTGSYYCKKGVILPIWEPQDPSFGDKIARATVYFVAMVYMFLGVSIIADRFMSSIEVITSQEKEITIKKPNGETTKTTVRIWNETVSNLTLMALGSSAPEILLSVIEVCGHNFTAGDLGPSTIVGSAAFNMFIIIALCVYVVPDGETRKIKHLRVFFVTAAWSIFAYTWLYIILSVISPGVVEVWEGLLTFFFFPICVVFAWVADRRLLFYKYVYKRYRAGKQRGMIIEHEGDRPSSKTEIEMDGKVVNSHVENFLDGALVLEVDERDQDDEEARREMARILKELKQKHPDKEIEQLIELANYQVLSQQQKSRAFYRIQATRLMTGATENDPVSKIFFEQGTYQCLENCGTVALTIIRRGGDLTNTVFVDFRTEDGTANAGSDYEFTEGTVVFKPGDTQKEIRVGIIDDDIFEEDENFLVHLSNVKVSSEASEDGILEANHVSTLACLGSPSTATVTIFDDDHAGIFTFEEPVTHVSESIGIMEVKVLRTSGARGNVIVPYKTIEGTARGGGEDFEDTCGELEFQNDEIVKTISVKVIDDEEYEKNKTFFLEIGEPRLVEMSEKKALLLNELGGFTITGKYLFGQPVFRKVHAREHPILSTVITIADEYDDKQPLTSKEEEERRIAEMGRPILGEHTKLEVIIEESYEFKSTVDKLIKKTNLALVVGTNSWREQFIEAITVSAGEDDDDDECGEEKLPSCFDYVMHFLTVFWKVLFAFVPPTEYWNGWACFIVSILMIGLLTAFIGDLASHFGCTIGLKDSVTAVVFVALGTSVPDTFASKVAATQDQYADASIGNVTGSNAVNVFLGIGVAWSIAAIYHAANGEQFKVSPGTLAFSVTLFTIFAFINVGVLLYRRRPEIGGELGGPRTAKLLTSCLFVLLWLLYIFFSSLEAYCHIKGFAAAGGSWSHPQFEKGGGSGGGSGGSAWSHPQFEK

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Homo sapiens

Entity 2 non-polymer

描述 description	CALCIUM ION
分子量 formula_weight	40.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	5

Entity 3 non-polymer

描述 description	;[(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate ;
分子量 formula_weight	746.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

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7. 引用文献 (1)

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分辨率 resolution	3.500 Å
最低分辨率 resolution_low	— Å
R 因子 r_factor	—
R_work r_work	—
R_free r_free	—

分辨率 resolution	3.50 Å
分辨率测定方法 resolution_method	—
颗粒数 num_particles	117748

fit	/app/data/saxs_computation/iv/9iv8/9iv8.fit
pddf	/app/data/pr_computation/iv/9iv8/9iv8.pr.out
profile	/app/data/saxs_computation/iv/9iv8/9iv8.dat