1p4l

Crystal structure of NK receptor Ly49C mutant with its MHC class I ligand H-2Kb

Method: X-RAY DIFFRACTION Dmax: 74.7 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 1p4l

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1p4l
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1p4l
沉积日期 deposition_date2003-04-23
结构标题 titleCrystal structure of NK receptor Ly49C mutant with its MHC class I ligand H-2Kb
关键词 keywordsNatural Killer Receptor, MHC class I, C-type Lectin-like domain, IMMUNE SYSTEM; IMMUNE SYSTEM
实验方法 methodX-RAY DIFFRACTION

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

回转半径 Rg (Guinier) rg_guinier24.71
回转半径 Rg (电子) rg_electron23.59
零角强度 I(0) i057112000.00
分子量 molecular_weight58692.0 kDa
排除体积 excluded_volume73347 ų
包络体积 envelope_volume88544 ų
水化壳体积 shell_volume30538 ų
包络直径 envelope_diameter76.7
壳层 Rg shell_rg31.40
包络 Rg envelope_rg23.60
形状 Rg shape_rg23.58
总 Rg total_rg24.50
总原子数 total_atoms4134
残基数 n_residues502
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

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

最大尺寸 Dmax dmax74.7
Rg (实空间) rg_real24.53
Rg 误差 (实空间) rg_real_error0.34
I(0) (实空间) i0_real5.7110e+07
I(0) 误差 (实空间) i0_real_error6.8820e+05
Rg (倒空间) rg_reciprocal24.57
I(0) (倒空间) i0_reciprocal57110000.0000
解质量估计 total_estimate0.9074
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary32.0
偏度 Skewness skewness0.131
峰度 Kurtosis kurtosis-0.449
角度范围 angular_range— – 0.3200 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha12410000.0000
实空间数据点数 n_real_points64
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.936; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.988; Smooth: 0.998

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

5. 实体与聚合体信息 (4)

6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1p4la1
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
结构域编号 domain_idd1p4la2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.19 — MHC antigen-recognition domain
超家族 Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
家族 Family familyd.19.1.1 — MHC antigen-recognition domain
结构域编号 domain_idd1p4lb_
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.1 — Immunoglobulin
家族 Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
结构域编号 domain_idd1p4ld_
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.169 — C-type lectin-like
超家族 Superfamily superfamilyd.169.1 — C-type lectin-like
家族 Family familyd.169.1.1 — C-type lectin domain

CATH v4.4 (4 domains)

结构域编号 domain_id1p4lA01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology500 — Murine Class I Major Histocompatibility Complex, H2-DB; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — MHC class I-like antigen recognition-like
结构域编号 domain_id1p4lA02
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id1p4lB00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id1p4lD00
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology100 — Mannose-Binding Protein A; Chain A
同源超家族 H-superfamily homologous superfamily10 — Mannose-Binding Protein A, subunit A

7. 引用文献 (1)

8. 文件与曲线 (10)