SAXSdb — 1i1c

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1. 结构基本信息 1. Structure Basics

条目编号 entry_id	1i1c
沉积日期 deposition_date	2001-01-31
结构标题 title	NON-FCRN BINDING FC FRAGMENT OF RAT IGG2A
关键词 keywords	igg, fc, 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	25.94 Å
回转半径 Rg (电子) rg_electron	24.75 Å
零角强度 I(0) i0	40681300.00
分子量 molecular_weight	48985.0 kDa
排除体积 excluded_volume	61119 Å³
包络体积 envelope_volume	78688 Å³
水化壳体积 shell_volume	26497 Å³
包络直径 envelope_diameter	77.6 Å
壳层 Rg shell_rg	32.08 Å
包络 Rg envelope_rg	24.33 Å
形状 Rg shape_rg	24.76 Å
总 Rg total_rg	25.57 Å
总原子数 total_atoms	3440
残基数 n_residues	410
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	76.4 Å
Rg (实空间) rg_real	25.81 Å
Rg 误差 (实空间) rg_real_error	0.45 Å
I(0) (实空间) i0_real	4.0680e+07
I(0) 误差 (实空间) i0_real_error	5.4100e+05
Rg (倒空间) rg_reciprocal	25.85 Å
I(0) (倒空间) i0_reciprocal	40680000.0000
解质量估计 total_estimate	0.9186
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	33.8 Å
偏度 Skewness skewness	0.073
峰度 Kurtosis kurtosis	-0.652
角度范围 angular_range	— – 0.3050 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	5631000.0000
实空间数据点数 n_real_points	62
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.987; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.977

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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 (3)

Entity 1 polymer

描述 description	IG GAMMA-2A CHAIN C REGION
分子量 formula_weight	26650.9 kDa
突变 mutation	T252G, I253G, T254G, H310E, H433E, H435E
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	A,B
原子数 atom_count	3440

VPRECNPCGCTGSEVSSVFIFPPKTKDVLGGGLTPKVTCVVVDISQNDPEVRFSWFIDDVEVHTAQTHAPEKQSNSTLRSVSELPIVERDWLNGKTFKCKVNSGAFPAPIEKSISKPEGTPRGPQVYTMAPPKEEMTQSQVSITCMVKGFYPPDIYTEWKMNGQPQENYKNTPPTMDTDGSYFLYSKLNVKKETWQQGNTFTCSVLHEGLENEHTEKSLSHSPGKGIEGRGSSHHHHHH

来源 Source

来源生物 organism	Rattus norvegicus
通用名 common_name	Norway rat
NCBI 分类编号 ncbi_taxonomy_id	10116
宿主生物 host_organism	Cricetulus griseus

Entity 2 branched

描述 description	;2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[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	1463.3 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-(1-2)-alpha-D-mannopyranose-(1-3)-[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)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose ;
分子量 formula_weight	1463.3 kDa
来源方法 src_method	man
拷贝数 entity_count	1

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6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_id	d1i1ca1
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	d1i1ca2
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	d1i1cb1
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	d1i1cb2
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 (4 domains)

结构域编号 domain_id	1i1cA01
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	1i1cA02
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	1i1cB01
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	1i1cB02
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 (1)

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晶胞边长 a length_a	42.503 Å
晶胞边长 b length_b	73.362 Å
晶胞边长 c length_c	82.157 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	102.74 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	4

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	2.700 Å
最低分辨率 resolution_low	29.810 Å
R 因子 r_factor	—
R_work r_work	0.2410
R_free r_free	0.2790

fit	/app/data/saxs_computation/i1/1i1c/1i1c.fit
pddf	/app/data/pr_computation/i1/1i1c/1i1c.pr.out
profile	/app/data/saxs_computation/i1/1i1c/1i1c.dat

NON-FCRN BINDING FC FRAGMENT OF RAT IGG2A

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