1kfa

Crystal structure of Fab fragment complexed with gibberellin A4

Method: X-RAY DIFFRACTION D_max: 88.5 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	1kfa
沉积日期 deposition_date	2001-11-20
结构标题 title	Crystal structure of Fab fragment complexed with gibberellin A4
关键词 keywords	Immunoglobuiln fold, 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	29.72 Å
回转半径 Rg (电子) rg_electron	28.71 Å
零角强度 I(0) i0	142342000.00
分子量 molecular_weight	93267.0 kDa
排除体积 excluded_volume	116220 Å³
包络体积 envelope_volume	147150 Å³
水化壳体积 shell_volume	42293 Å³
包络直径 envelope_diameter	94.1 Å
壳层 Rg shell_rg	36.60 Å
包络 Rg envelope_rg	28.05 Å
形状 Rg shape_rg	28.69 Å
总 Rg total_rg	29.51 Å
总原子数 total_atoms	6559
残基数 n_residues	852
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	88.5 Å
Rg (实空间) rg_real	29.52 Å
Rg 误差 (实空间) rg_real_error	0.47 Å
I(0) (实空间) i0_real	1.4230e+08
I(0) 误差 (实空间) i0_real_error	1.9390e+06
Rg (倒空间) rg_reciprocal	29.61 Å
I(0) (倒空间) i0_reciprocal	142400000.0000
解质量估计 total_estimate	0.9044
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	40.0 Å
偏度 Skewness skewness	0.078
峰度 Kurtosis kurtosis	-0.495
角度范围 angular_range	— – 0.2650 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	16960000.0000
实空间数据点数 n_real_points	54
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.952; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.922

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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	monoclonal antibody light chain
分子量 formula_weight	23754.3 kDa
来源方法 src_method	man
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	L,M
原子数 atom_count	6677

DVVMTQTPLSLSVSLGDQASISCRSSQSLVHSNGNTYLHWYLQKPGQSPKLLIYKVSSRFSGFPDRFSGSGSGTDFTLKISRVEAEDLGVYFCSQSTHVPFTFGSGTKLEIKRADAGPTVSSFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHASYTCEAAHKTSTSPIAKSFNRA

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Mus musculus

Entity 2 polymer

描述 description	monoclonal antibody heavy chain
分子量 formula_weight	23760.9 kDa
来源方法 src_method	man
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	H,I

EVMLVESGGGLVKPGGSLKLSCAASGFTFSSYAMSWVRQTPERRLEWVATITTRGYTFYPDSVKGRFTVSRDNARNTLNLQMSSLRSEDTAMFYCTREGLLLDYFTMDYWGQGTSVTVSSAKTTPPSVYPLAPXXXXXXXSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSRPSETVTCNVAHPASSTKVDKKIVPAD

来源 Source

来源生物 organism	Mus musculus
通用名 common_name	mouse
NCBI 分类编号 ncbi_taxonomy_id	10090
宿主生物 host_organism	Mus musculus

Entity 3 non-polymer

描述 description	GIBBERELLIN A4
分子量 formula_weight	332.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

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	118

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6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1kfah1
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.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d1kfah2
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	d1kfai1
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.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d1kfai2
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	d1kfal1
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.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d1kfal2
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	d1kfam1
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.1.1.1 — V set domains (antibody variable domain-like)

结构域编号 domain_id	d1kfam2
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)

CATH v4.4 (8 domains)

结构域编号 domain_id	1kfaH01
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	1kfaH02
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	1kfaI01
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	1kfaI02
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	1kfaL01
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	1kfaL02
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	1kfaM01
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	1kfaM02
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 (2)

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晶胞边长 a length_a	118.076 Å
晶胞边长 b length_b	150.146 Å
晶胞边长 c length_c	106.870 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	C 2 2 21
空间群编号 int_tables_number	20
晶系 crystal_system	—

分辨率 resolution	2.800 Å
最低分辨率 resolution_low	39.620 Å
R 因子 r_factor	0.2610
R_work r_work	0.2350
R_free r_free	0.3130

fit	/app/data/saxs_computation/kf/1kfa/1kfa.fit
pddf	/app/data/pr_computation/kf/1kfa/1kfa.pr.out
profile	/app/data/saxs_computation/kf/1kfa/1kfa.dat

Crystal structure of Fab fragment complexed with gibberellin A4

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

来源 Source

Entity 3 non-polymer

Entity 4 water

6. 折叠分类 (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. 引用文献 (2)

8. 文件与曲线 (10)

Files (7)

Curves (3)