22hj

Beta-1,2-glucan-binding protein soaked with cyclic beta-1,2-glucooctaose

Method: X-RAY DIFFRACTION D_max: 71.3 Å Quality: EXCELLENT

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	22hj
沉积日期 deposition_date	2026-01-11
最后修订 last_revision	2026-05-27
结构标题 title	Beta-1,2-glucan-binding protein soaked with cyclic beta-1,2-glucooctaose
关键词 keywords	carbohydrate-binding protein, SUGAR BINDING PROTEIN; SUGAR BINDING 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	23.23 Å
回转半径 Rg (电子) rg_electron	21.90 Å
零角强度 I(0) i0	41781200.00
分子量 molecular_weight	50253.0 kDa
排除体积 excluded_volume	62777 Å³
包络体积 envelope_volume	71878 Å³
水化壳体积 shell_volume	26729 Å³
包络直径 envelope_diameter	74.9 Å
壳层 Rg shell_rg	29.33 Å
包络 Rg envelope_rg	22.08 Å
形状 Rg shape_rg	21.89 Å
总 Rg total_rg	22.79 Å
总原子数 total_atoms	3538
残基数 n_residues	423
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	71.3 Å
Rg (实空间) rg_real	23.10 Å
Rg 误差 (实空间) rg_real_error	0.35 Å
I(0) (实空间) i0_real	4.1780e+07
I(0) 误差 (实空间) i0_real_error	5.3230e+05
Rg (倒空间) rg_reciprocal	23.13 Å
I(0) (倒空间) i0_reciprocal	41780000.0000
解质量估计 total_estimate	0.9037
解质量评级 solution_quality	EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	28.5 Å
偏度 Skewness skewness	0.163
峰度 Kurtosis kurtosis	-0.480
角度范围 angular_range	— – 0.3400 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	10540000.0000
实空间数据点数 n_real_points	66
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.935; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.990; Smooth: 0.950

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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	Extracellular solute-binding protein family 1
分子量 formula_weight	53053.3 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	3906

MGCTSAPTAPAEQPTQAPTTAAQAPTAAPTTAPATEPSPVTTDRQPVTLRYANWNLGTEEENNIQRRLVKAYMELNPHVTIEFVDMSGGGWDDMLNTYAARGELPDVFMANNMPLYVKNGWLADLTSLVENDPDWPLIPEVLRSGVTYNGRVMGLPAAQFIMGYFVNRDLYEAANLDAPEYGFSVEEFNTAVTSLHNPARGILGLDEMEFVMGWYPHVLDNNLQWFSFDGVHMNYNSAAFKETVAKVAELKPYTWQGLTDEQKPNFKSAGPWELFLNQEVGMRWEGGWAIPQIAQNATFDWDFVGIPGGNQAIVMDIIVVSKTAPNLEEAYQFARWMTFSRAAYAKEVELAREMGSVPSKMPVAVDDESIQLYRQFFDKPGINAALANLDNSLVESLAKIVPGYIQARWEGKPGIDIGEDKDVNMWFMFFRAADGIYKYEDYAAQLETFANNLLDSARAEVESALKLEHHHHHH

来源 Source

来源生物 organism	Chloroflexus aurantiacus Y-400-fl
NCBI 分类编号 ncbi_taxonomy_id	480224
宿主生物 host_organism	Escherichia coli

Entity 2 branched

描述 description	;beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose-(1-2)-beta-D-glucopyranose ;
分子量 formula_weight	1639.4 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 3 non-polymer

描述 description	GLYCEROL
分子量 formula_weight	92.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	7

Entity 4 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 5 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	302

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7. 引用文献 (1)

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晶胞边长 a length_a	72.699 Å
晶胞边长 b length_b	82.849 Å
晶胞边长 c length_c	94.099 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	4

空间群 space_group	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	—

分辨率 resolution	1.600 Å
最低分辨率 resolution_low	35.992 Å
R 因子 r_factor	—
R_work r_work	0.1668
R_free r_free	0.1813

fit	/app/data/saxs_computation/2h/22hj/22hj.fit
pddf	/app/data/pr_computation/2h/22hj/22hj.pr.out
profile	/app/data/saxs_computation/2h/22hj/22hj.dat

Beta-1,2-glucan-binding protein soaked with cyclic beta-1,2-glucooctaose

SAXS 散射曲线 SAXS Profile

P(r) 距离分布 P(r) Distribution

1. 结构基本信息 1. Structure Basics

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

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

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

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction