1i1y

CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y

Method: X-RAY DIFFRACTION D_max: 133.8 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	1i1y
沉积日期 deposition_date	1999-04-16
结构标题 title	CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y
关键词 keywords	HUMAN CLASS I MHC, HIV, 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	39.02 Å
回转半径 Rg (电子) rg_electron	38.88 Å
零角强度 I(0) i0	131126000.00
分子量 molecular_weight	89406.0 kDa
排除体积 excluded_volume	110280 Å³
包络体积 envelope_volume	153140 Å³
水化壳体积 shell_volume	33756 Å³
包络直径 envelope_diameter	137.3 Å
壳层 Rg shell_rg	42.87 Å
包络 Rg envelope_rg	38.42 Å
形状 Rg shape_rg	38.85 Å
总 Rg total_rg	39.21 Å
总原子数 total_atoms	6316
残基数 n_residues	768
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	133.8 Å
Rg (实空间) rg_real	39.38 Å
Rg 误差 (实空间) rg_real_error	1.46 Å
I(0) (实空间) i0_real	1.3110e+08
I(0) 误差 (实空间) i0_real_error	2.4280e+06
Rg (倒空间) rg_reciprocal	39.16 Å
I(0) (倒空间) i0_reciprocal	131100000.0000
解质量估计 total_estimate	0.8340
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	32.6 Å
偏度 Skewness skewness	0.398
峰度 Kurtosis kurtosis	-0.628
角度范围 angular_range	— – 0.2050 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	9941000.0000
实空间数据点数 n_real_points	42
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.768; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.726; Smooth: 0.806

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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	CLASS I HISTOCOMPATIBILITY ANTIGEN
分子量 formula_weight	31854.2 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	A,D
原子数 atom_count	6515

GSHSMRYFFTSVSRPGRGEPRFIAVGYVDDTQFVRFDSDAASQRMEPRAPWIEQEGPEYWDGETRKVKAHSQTHRVDLGTLRGYYNQSEAGSHTVQRMYGCDVGSDWRFLRGYHQYAYDGKDYIALKEDLRSWTAADMAAQTTKHKWEAAHVAEQLRAYLEGTCVEWLRRYLENGKETLQRTDAPKTHMTHHAVSDHEATLRCWALSFYPAEITLTWQRDGEDQTQDTELVETRPAGDGTFQKWAAVVVPSGQEQRYTCHVQHEGLPKPLTLRWE

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	Escherichia coli

Entity 2 polymer

描述 description	BETA 2-MICROGLOBULIN
分子量 formula_weight	11879.4 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	B,E

MIQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM

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	Escherichia coli

Entity 3 polymer

描述 description	HIV-RT VARIANT PEPTIDE I1Y (YLKEPVHGV)
分子量 formula_weight	1043.2 kDa
突变 mutation	I1Y
来源方法 src_method	syn
拷贝数 entity_count	2

聚合体 Polymer

聚合体类型 type	polypeptide(L)
链编号 strand_id	C,F

YLKEPVHGV

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	199

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6. 折叠分类 (SCOP + CATH) 14 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1i1ya1
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	d1i1ya2
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	d1i1yb2
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	d1i1yb3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

结构域编号 domain_id	d1i1yd1
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	d1i1yd2
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	d1i1ye2
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	d1i1ye3
类 Class class	l — Artifacts
折叠类型 Fold fold	l.1 — Tags
超家族 Superfamily superfamily	l.1.1 — Tags
家族 Family family	l.1.1.1 — Tags

CATH v4.4 (6 domains)

结构域编号 domain_id	1i1yA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — MHC class I-like antigen recognition-like

结构域编号 domain_id	1i1yA02
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	1i1yB00
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	1i1yD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — MHC class I-like antigen recognition-like

结构域编号 domain_id	1i1yD02
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	1i1yE00
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	50.613 Å
晶胞边长 b length_b	63.591 Å
晶胞边长 c length_c	75.326 Å
晶胞夹角 α angle_alpha	81.93 °
晶胞夹角 β angle_beta	75.94 °
晶胞夹角 γ angle_gamma	78.00 °
晶胞分子数 Z z_pdb	2

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

分辨率 resolution	2.200 Å
最低分辨率 resolution_low	15.000 Å
R 因子 r_factor	0.2440
R_work r_work	0.2330
R_free r_free	0.2890

fit	/app/data/saxs_computation/i1/1i1y/1i1y.fit
pddf	/app/data/pr_computation/i1/1i1y/1i1y.pr.out
profile	/app/data/saxs_computation/i1/1i1y/1i1y.dat

CRYSTAL STRUCTURE OF HUMAN CLASS I MHC (HLA-A2.1) COMPLEXED WITH BETA 2-MICROGLOBULIN AND HIV-RT VARIANT PEPTIDE I1Y

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 polymer

聚合体 Polymer

Entity 4 water

6. 折叠分类 (SCOP + CATH) 14 domains

SCOP 2.08 (8 domains)

CATH v4.4 (6 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)