2i35

Crystal structure of rhombohedral crystal form of ground-state rhodopsin

Method: X-RAY DIFFRACTION D_max: 86.2 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	2i35
沉积日期 deposition_date	2006-08-17
结构标题 title	Crystal structure of rhombohedral crystal form of ground-state rhodopsin
关键词 keywords	trans-membrane protein, MEMBRANE PROTEIN; MEMBRANE PROTEIN
实验方法 method	X-RAY DIFFRACTION

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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	23.69 Å
回转半径 Rg (电子) rg_electron	22.38 Å
零角强度 I(0) i0	21072700.00
分子量 molecular_weight	38731.0 kDa
排除体积 excluded_volume	49981 Å³
包络体积 envelope_volume	57403 Å³
水化壳体积 shell_volume	21984 Å³
包络直径 envelope_diameter	89.9 Å
壳层 Rg shell_rg	28.93 Å
包络 Rg envelope_rg	23.18 Å
形状 Rg shape_rg	22.33 Å
总 Rg total_rg	23.47 Å
总原子数 total_atoms	2727
残基数 n_residues	329
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	86.2 Å
Rg (实空间) rg_real	23.83 Å
Rg 误差 (实空间) rg_real_error	0.80 Å
I(0) (实空间) i0_real	2.1070e+07
I(0) 误差 (实空间) i0_real_error	3.0880e+05
Rg (倒空间) rg_reciprocal	23.80 Å
I(0) (倒空间) i0_reciprocal	21070000.0000
解质量估计 total_estimate	0.8187
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	22.9 Å
偏度 Skewness skewness	0.480
峰度 Kurtosis kurtosis	-0.309
角度范围 angular_range	— – 0.3350 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	3953000.0000
实空间数据点数 n_real_points	65
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.654; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.685; Smooth: 0.993

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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 (5)

Entity 1 polymer

描述 description	Rhodopsin
分子量 formula_weight	39057.5 kDa
来源方法 src_method	nat
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	2727

XMNGTEGPNFYVPFSNKTGVVRSPFEAPQYYLAEPWQFSMLAAYMFLLIMLGFPINFLTLYVTVQHKKLRTPLNYILLNLAVADLFMVFGGFTTTLYTSLHGYFVFGPTGCNLEGFFATLGGEIALWSLVVLAIERYVVVCKPMSNFRFGENHAIMGVAFTWVMALACAAPPLVGWSRYIPEGMQCSCGIDYYTPHEETNNESFVIYMFVVHFIIPLIVIFFCYGQLVFTVKEAAAQQQESATTQKAEKEVTRMVIIMVIAFLICWLPYAGVAFYIFTHQGSDFGPIFMTIPAFFAKTSAVYNPVIYIMMNKQFRNCMVTTLCCGKNPLGDDEASTTVSKTETSQVAPA

Entity 2 branched

描述 description	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	586.5 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 3 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	1

Entity 4 non-polymer

描述 description	RETINAL
分子量 formula_weight	284.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 5 non-polymer

描述 description	PALMITIC ACID
分子量 formula_weight	256.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

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6. 折叠分类 (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

结构域编号 domain_id	2i35A00
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	20 — Up-down Bundle
拓扑 Topology topology	1070 — Rhopdopsin 7-helix transmembrane proteins
同源超家族 H-superfamily homologous superfamily	10 — Rhodopsin 7-helix transmembrane proteins

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7. 引用文献 (1)

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晶胞边长 a length_a	277.534 Å
晶胞边长 b length_b	277.534 Å
晶胞边长 c length_c	66.321 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	120.00 °
晶胞分子数 Z z_pdb	18

空间群 space_group	H 3 2
空间群编号 int_tables_number	155
晶系 crystal_system	—

分辨率 resolution	3.800 Å
最低分辨率 resolution_low	30.000 Å
R 因子 r_factor	0.3754
R_work r_work	0.3733
R_free r_free	0.4184

fit	/app/data/saxs_computation/i3/2i35/2i35.fit
pddf	/app/data/pr_computation/i3/2i35/2i35.pr.out
profile	/app/data/saxs_computation/i3/2i35/2i35.dat