SAXSdb — 9k34

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	9k34
沉积日期 deposition_date	2024-10-18
结构标题 title	Human IgG1 Fc fragments, mutant (2CT1.9)
关键词 keywords	antibody, IgG1, IMMUNE SYSTEM; IMMUNE SYSTEM
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	36.15 Å
回转半径 Rg (电子) rg_electron	35.43 Å
零角强度 I(0) i0	159972000.00
分子量 molecular_weight	101710.0 kDa
排除体积 excluded_volume	127380 Å³
包络体积 envelope_volume	182560 Å³
水化壳体积 shell_volume	43400 Å³
包络直径 envelope_diameter	121.7 Å
壳层 Rg shell_rg	41.59 Å
包络 Rg envelope_rg	34.41 Å
形状 Rg shape_rg	35.42 Å
总 Rg total_rg	35.92 Å
总原子数 total_atoms	7170
残基数 n_residues	828
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	114.9 Å
Rg (实空间) rg_real	36.04 Å
Rg 误差 (实空间) rg_real_error	0.89 Å
I(0) (实空间) i0_real	1.6000e+08
I(0) 误差 (实空间) i0_real_error	2.8480e+06
Rg (倒空间) rg_reciprocal	36.11 Å
I(0) (倒空间) i0_reciprocal	160000000.0000
解质量估计 total_estimate	0.8963
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	44.4 Å
偏度 Skewness skewness	0.191
峰度 Kurtosis kurtosis	-0.449
角度范围 angular_range	— – 0.2200 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	9290000.0000
实空间数据点数 n_real_points	45
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.921; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.883

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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 (6)

Entity 1 polymer

描述 description	Immunoglobulin gamma-1 heavy chain
分子量 formula_weight	25399.7 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	7397

TCPPCPAPELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRREWRKEEVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVEASRWWQGNVFSCSVMHEALHNHYTQWSLSRSPGK

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 branched

描述 description	;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]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	1641.5 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 3 branched

描述 description	;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-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	1479.3 kDa
来源方法 src_method	man
拷贝数 entity_count	2

Entity 4 branched

描述 description	;beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1787.6 kDa
来源方法 src_method	man
拷贝数 entity_count	1

Entity 5 non-polymer

描述 description	beta-L-fucopyranose
分子量 formula_weight	164.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 6 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	227

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7. 引用文献 (1)

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晶胞边长 a length_a	75.988 Å
晶胞边长 b length_b	101.630 Å
晶胞边长 c length_c	146.793 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	16

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	3.000 Å
最低分辨率 resolution_low	14.990 Å
R 因子 r_factor	0.2172
R_work r_work	0.2139
R_free r_free	0.2793

fit	/app/data/saxs_computation/k3/9k34/9k34.fit
pddf	/app/data/pr_computation/k3/9k34/9k34.pr.out
profile	/app/data/saxs_computation/k3/9k34/9k34.dat

Human IgG1 Fc fragments, mutant (2CT1.9)

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