SAXSdb — 2h26

▼

1. 结构基本信息 1. Structure Basics

条目编号 entry_id	2h26
沉积日期 deposition_date	2006-05-18
结构标题 title	human CD1b in complex with endogenous phosphatidylcholine and spacer
关键词 keywords	LIPID, endogenous ligand, phosphatidylcholine, MHC, ANTIGEN PRESENTATION, GLYCOPROTEIN, IMMUNE SYSTEM; IMMUNE SYSTEM
实验方法 method	X-RAY DIFFRACTION

▼

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier	24.48 Å
回转半径 Rg (电子) rg_electron	23.53 Å
零角强度 I(0) i0	31688200.00
分子量 molecular_weight	44469.0 kDa
排除体积 excluded_volume	55988 Å³
包络体积 envelope_volume	66600 Å³
水化壳体积 shell_volume	23888 Å³
包络直径 envelope_diameter	82.9 Å
壳层 Rg shell_rg	30.07 Å
包络 Rg envelope_rg	23.59 Å
形状 Rg shape_rg	23.49 Å
总 Rg total_rg	24.43 Å
总原子数 total_atoms	3138
残基数 n_residues	382
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

▼

3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax	78.0 Å
Rg (实空间) rg_real	24.46 Å
Rg 误差 (实空间) rg_real_error	0.44 Å
I(0) (实空间) i0_real	3.1690e+07
I(0) 误差 (实空间) i0_real_error	4.4310e+05
Rg (倒空间) rg_reciprocal	24.46 Å
I(0) (倒空间) i0_reciprocal	31690000.0000
解质量估计 total_estimate	0.9057
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	27.2 Å
偏度 Skewness skewness	0.299
峰度 Kurtosis kurtosis	-0.443
角度范围 angular_range	— – 0.3250 Å⁻¹
当前正则化参数 α current_alpha	0.0000
最高正则化参数 α highest_alpha	5716000.0000
实空间数据点数 n_real_points	64
GNOM 版本 gnom_version	4.1.3
质量判据 quality_criteria	AN1: 0.000; Oscil: 0.932; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.985; Smooth: 0.987

▶

4. 晶体学与实验 4. Crystallography & Experiment

▶

5. 实体与聚合体信息 (8)

Entity 1 polymer

描述 description	T-cell surface glycoprotein CD1b
分子量 formula_weight	31623.7 kDa
突变 mutation	BirA peptide tag (IDKLGGGLNDIFEAQKIEWHE) at C-terminus
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	3423

EHAFQGPTSFHVIQTSSFTNSTWAQTQGSGWLDDLQIHGWDSDSGTAIFLKPWSKGNFSDKEVAELEEIFRVYIFGFAREVQDFAGDFQMKYPFEIQGIAGCELHSGGAIVSFLRGALGGLDFLSVKNASCVPSPEGGSRAQKFCALIIQYQGIMETVRILLYETCPRYLLGVLNAGKADLQRQVKPEAWLSSGPSPGPGRLQLVCHVSGFYPKPVWVMWMRGEQEQQGTQLGDILPNANWTWYLRATLDVADGEAAGLSCRVKHSSLEGQDIILYWRNPIXXXXX

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	Mus musculus

Entity 2 polymer

描述 description	Beta-2-microglobulin
分子量 formula_weight	11748.2 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	B

IQRTPKIQVYSRHPAENGKSNFLNCYVSGFHPSDIEVDLLKNGERIEKVEHSDLSFSKDWSFYLLYYTEFTPTEKDEYACRVNHVTLSQPKIVKWDRDM

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	Mus musculus

Entity 3 branched

描述 description	alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose
分子量 formula_weight	367.3 kDa
来源方法 src_method	man
拷贝数 entity_count	2

Entity 4 non-polymer

描述 description	(4S,7R)-4-HYDROXY-N,N,N-TRIMETHYL-9-OXO-7-[(PALMITOYLOXY)METHYL]-3,5,8-TRIOXA-4-PHOSPHAHEXACOSAN-1-AMINIUM 4-OXIDE
分子量 formula_weight	763.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 5 non-polymer

描述 description	TETRACOSYL PALMITATE
分子量 formula_weight	593.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 6 non-polymer

描述 description	GLYCEROL
分子量 formula_weight	92.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

Entity 7 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

Entity 8 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	265

▼

6. 折叠分类 (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

结构域编号 domain_id	d2h26a1
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	d2h26a2
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	d2h26b_
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 (3 domains)

结构域编号 domain_id	2h26A01
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	2h26A02
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	2h26B00
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

▶

7. 引用文献 (1)

▶

晶胞边长 a length_a	39.828 Å
晶胞边长 b length_b	103.898 Å
晶胞边长 c length_c	114.829 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	4

空间群 space_group	P 21 21 21
空间群编号 int_tables_number	19
晶系 crystal_system	—

分辨率 resolution	1.800 Å
最低分辨率 resolution_low	20.000 Å
R 因子 r_factor	0.2073
R_work r_work	0.2055
R_free r_free	0.2410

fit	/app/data/saxs_computation/h2/2h26/2h26.fit
pddf	/app/data/pr_computation/h2/2h26/2h26.pr.out
profile	/app/data/saxs_computation/h2/2h26/2h26.dat

human CD1b in complex with endogenous phosphatidylcholine and spacer

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 (8)

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 non-polymer

Entity 6 non-polymer

Entity 7 non-polymer

Entity 8 water

6. 折叠分类 (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. 引用文献 (1)

8. 文件与曲线 (10)

Files (7)

Curves (3)