1i3r

CRYSTAL STRUCTURE OF A MUTANT IEK CLASS II MHC MOLECULE

Method: X-RAY DIFFRACTION D_max: 134.6 Å Quality: GOOD

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	1i3r
沉积日期 deposition_date	2001-02-15
结构标题 title	CRYSTAL STRUCTURE OF A MUTANT IEK CLASS II MHC MOLECULE
关键词 keywords	MHC ClassII, 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	40.51 Å
回转半径 Rg (电子) rg_electron	40.18 Å
零角强度 I(0) i0	507157000.00
分子量 molecular_weight	183850.0 kDa
排除体积 excluded_volume	229350 Å³
包络体积 envelope_volume	311360 Å³
水化壳体积 shell_volume	63784 Å³
包络直径 envelope_diameter	144.7 Å
壳层 Rg shell_rg	46.38 Å
包络 Rg envelope_rg	39.83 Å
形状 Rg shape_rg	40.17 Å
总 Rg total_rg	40.53 Å
总原子数 total_atoms	13006
残基数 n_residues	1592
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	134.6 Å
Rg (实空间) rg_real	40.49 Å
Rg 误差 (实空间) rg_real_error	1.15 Å
I(0) (实空间) i0_real	5.0720e+08
I(0) 误差 (实空间) i0_real_error	8.5380e+06
Rg (倒空间) rg_reciprocal	40.51 Å
I(0) (倒空间) i0_reciprocal	507200000.0000
解质量估计 total_estimate	0.8890
解质量评级 solution_quality	GOOD a GOOD solution
P(r) 峰数 n_peaks	2
主峰位置 r_peak_primary	41.4 Å
偏度 Skewness skewness	0.308
峰度 Kurtosis kurtosis	-0.517
角度范围 angular_range	— – 0.1950 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	174200000.0000
实空间数据点数 n_real_points	40
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.869; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.959

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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	H-2 CLASS II HISTOCOMPATIBILITY ANTIGEN, E-K ALPHA CHAIN
分子量 formula_weight	22359.1 kDa
突变 mutation	E11Q, D66N
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,C,E,G
原子数 atom_count	13325

IKEEHTIIQAQFYLLPDKRGEFMFDFDGDEIFHVDIEKSETIWRLEEFAKFASFEAQGALANIAVNKANLDVMKERSNNTPDANVAPEVTVLSRSPVNLGEPNILICFIDKFSPPVVNVTWLRNGRPVTEGVSETVFLPRDDHLFRKFHYLTFLPSTDDFYDCEVDHWGLEEPLRKHWEFEEKTLLPETKEN

来源 Source

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

Entity 2 polymer

描述 description	FUSION PROTEIN CONSISTING OF MHC E-BETA-K PRECURSOR, GLYCINE RICH LINKER, AND HEMOGLOBIN BETA-2 CHAIN
分子量 formula_weight	25892.8 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	B,D,F,H

RDSRGKKVITAFNEGLKGGGGSLVGGGSGGGGSRPWFLEYCKSECHFYNGTQRVRLLVRYFYNLEENLRFDSDVGEFRAVTELGRPDAENWNSQPEFLEQKRAEVDTVCRHNYEIFDNFLVPRRVEPTVTVYPTKTQPLEHHNLLVCSVSDFYPGNIEVRWFRNGKEEKTGIVSTGLVRNGDWTFQTLVMLETVPQSGEVYTCQVEHPSLTDPVTVEWKAQSTSAQNK

来源 Source

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

Entity 3 branched

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	424.4 kDa
来源方法 src_method	man
拷贝数 entity_count	4

Entity 4 non-polymer

描述 description	2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	221.2 kDa
来源方法 src_method	man
拷贝数 entity_count	8

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	319

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6. 折叠分类 (SCOP + CATH) 32 domains

SCOP 2.08 (16 domains)

结构域编号 domain_id	d1i3ra1
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	d1i3ra2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rb1
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	d1i3rb2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rc1
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	d1i3rc2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rd1
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	d1i3rd2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3re1
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	d1i3re2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rf1
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	d1i3rf2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rg1
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	d1i3rg2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

结构域编号 domain_id	d1i3rh1
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	d1i3rh2
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.19 — MHC antigen-recognition domain
超家族 Superfamily superfamily	d.19.1 — MHC antigen-recognition domain
家族 Family family	d.19.1.1 — MHC antigen-recognition domain

CATH v4.4 (16 domains)

结构域编号 domain_id	1i3rA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rA02
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	1i3rB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rB02
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	1i3rC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rC02
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	1i3rD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rD02
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	1i3rE01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rE02
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	1i3rF01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rF02
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	1i3rG01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rG02
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	1i3rH01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	10 — Roll
拓扑 Topology topology	320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
同源超家族 H-superfamily homologous superfamily	10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1

结构域编号 domain_id	1i3rH02
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	117.059 Å
晶胞边长 b length_b	58.020 Å
晶胞边长 c length_c	143.222 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	93.24 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

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	2.400 Å
最低分辨率 resolution_low	25.000 Å
R 因子 r_factor	—
R_work r_work	0.2290
R_free r_free	0.2700

fit	/app/data/saxs_computation/i3/1i3r/1i3r.fit
pddf	/app/data/pr_computation/i3/1i3r/1i3r.pr.out
profile	/app/data/saxs_computation/i3/1i3r/1i3r.dat

CRYSTAL STRUCTURE OF A MUTANT IEK CLASS II MHC MOLECULE

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 (5)

Entity 1 polymer

聚合体 Polymer

来源 Source

Entity 2 polymer

聚合体 Polymer

来源 Source

Entity 3 branched

Entity 4 non-polymer

Entity 5 water

6. 折叠分类 (SCOP + CATH) 32 domains

SCOP 2.08 (16 domains)

CATH v4.4 (16 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)