SAXSdb — 1l6x

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1l6x
沉积日期 deposition_date	2002-03-14
结构标题 title	FC FRAGMENT OF RITUXIMAB BOUND TO A MINIMIZED VERSION OF THE B-DOMAIN FROM PROTEIN A CALLED Z34C
关键词 keywords	IgG1 fc, protein A, fc complex, b-domain, 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	22.58 Å
回转半径 Rg (电子) rg_electron	21.61 Å
零角强度 I(0) i0	15658900.00
分子量 molecular_weight	29447.0 kDa
排除体积 excluded_volume	36711 Å³
包络体积 envelope_volume	45537 Å³
水化壳体积 shell_volume	18452 Å³
包络直径 envelope_diameter	72.3 Å
壳层 Rg shell_rg	27.34 Å
包络 Rg envelope_rg	21.71 Å
形状 Rg shape_rg	21.61 Å
总 Rg total_rg	22.41 Å
总原子数 total_atoms	2070
残基数 n_residues	241
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	72.8 Å
Rg (实空间) rg_real	22.58 Å
Rg 误差 (实空间) rg_real_error	0.41 Å
I(0) (实空间) i0_real	1.5660e+07
I(0) 误差 (实空间) i0_real_error	1.8800e+05
Rg (倒空间) rg_reciprocal	22.58 Å
I(0) (倒空间) i0_reciprocal	15660000.0000
解质量估计 total_estimate	0.9046
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	22.1 Å
偏度 Skewness skewness	0.268
峰度 Kurtosis kurtosis	-0.569
角度范围 angular_range	— – 0.3500 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	3024000.0000
实空间数据点数 n_real_points	67
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.933; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.967; Smooth: 0.992

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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 (4)

Entity 1 polymer

描述 description	IMMUNOGLOBULIN GAMMA-1 HEAVY CHAIN CONSTANT REGION
分子量 formula_weight	23547.6 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	2430

GPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPEVKFNWYVDGVEVHNAKTKPREEQYNSTYRVVSVLTVLHQDWLNGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTLPPSRDELTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLTVDKSRWQQGNVFSCSVMHEALHNHYTQKSLSL

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	Cricetulus griseus

Entity 2 polymer

描述 description	Minimized B-domain of Protein A Z34C
分子量 formula_weight	4190.7 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	B

FNMQCQRRFYEALHDPNLNEEQRNAKIKSIRDDC

Entity 3 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 4 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	360

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6. 折叠分类 (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

结构域编号 domain_id	d1l6xa1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

结构域编号 domain_id	d1l6xa2
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamily	b.1.1 — Immunoglobulin
家族 Family family	b.1.1.2 — C1 set domains (antibody constant domain-like)

结构域编号 domain_id	d1l6xb_
类 Class class	k — Designed proteins
折叠类型 Fold fold	k.13 — Protein A Ig(Fc)-binding domain mimics
超家族 Superfamily superfamily	k.13.1 — Protein A Ig(Fc)-binding domain mimics
家族 Family family	k.13.1.1 — Protein A Ig(Fc)-binding domain mimics

CATH v4.4 (2 domains)

结构域编号 domain_id	1l6xA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

结构域编号 domain_id	1l6xA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	60 — Sandwich
拓扑 Topology topology	40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily	10 — Immunoglobulins

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7. 引用文献 (4)

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晶胞边长 a length_a	54.023 Å
晶胞边长 b length_b	124.774 Å
晶胞边长 c length_c	90.131 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	8

空间群 space_group	C 2 2 21
空间群编号 int_tables_number	20
晶系 crystal_system	—

分辨率 resolution	1.650 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	0.2060
R_work r_work	0.2060
R_free r_free	0.2840

fit	/app/data/saxs_computation/l6/1l6x/1l6x.fit
pddf	/app/data/pr_computation/l6/1l6x/1l6x.pr.out
profile	/app/data/saxs_computation/l6/1l6x/1l6x.dat

FC FRAGMENT OF RITUXIMAB BOUND TO A MINIMIZED VERSION OF THE B-DOMAIN FROM PROTEIN A CALLED Z34C

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

5. 实体与聚合体信息 (4)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

Entity 3 branched

Entity 4 water

6. 折叠分类 (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. 引用文献 (4)

8. 文件与曲线 (10)

Files (7)

Curves (3)