4k6t

Crystal structure of Ad37 fiber knob in complex with trivalent sialic acid inhibitor ME0385

Method: X-RAY DIFFRACTION Dmax: 120.9 Å Quality: GOOD

1. 蛋白身份与相关结构 Protein Identity & Related Structures

Fiber protein

Human adenovirus 37

UniProt Q64823

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 A; UniProt 177–365 链 B; UniProt 177–365 链 C; UniProt 177–365 片段:fiber knob SIA N-acetyl-alpha-neuraminic acid × 3 ZN ZINC ION × 7 ACT ACETATE ION × 4 EDO 1,2-ETHANEDIOL × 6 CL CHLORIDE ION × 1 1P0 2,2',2''-[nitrilotris(methanediyl-1H-1,2,3-triazole-4,1-diyl)]triethanol × 1 MG MAGNESIUM ION × 3 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.9;293 K;24% PEG 8000, 0.1M HEPES, 0.05M zinc acetate, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.00 Å R-free 0.200
2 蛋白同源多聚体 同源多聚体 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 E; UniProt 177–365 链 F; UniProt 177–365 链 G; UniProt 177–365 片段:fiber knob SIA N-acetyl-alpha-neuraminic acid × 3 ZN ZINC ION × 7 ACT ACETATE ION × 5 EDO 1,2-ETHANEDIOL × 7 MG MAGNESIUM ION × 3 GOL GLYCEROL × 3 CA CALCIUM ION × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6.9;293 K;24% PEG 8000, 0.1M HEPES, 0.05M zinc acetate, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.00 Å R-free 0.200

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 13 个其他 PDB 条目、15 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 Q64823_9ADEN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 6–194; UniProt 177–365 作者链 B; PDB构建体 6–194; UniProt 177–365 作者链 C; PDB构建体 6–194; UniProt 177–365 作者链 E; PDB构建体 6–194; UniProt 177–365 作者链 F; PDB构建体 6–194; UniProt 177–365 作者链 G; PDB构建体 6–194; UniProt 177–365

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中;数据库内部编号、导入时间和 assembly 操作表达式仅用于维护,因此不在读者页面展示。

SAXS 散射曲线 SAXS Profile

SAXS profile for 4k6t

P(r) 距离分布 P(r) Distribution

P(r) distribution for 4k6t
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id4k6t
沉积日期 deposition_date2013-04-16
结构标题 titleCrystal structure of Ad37 fiber knob in complex with trivalent sialic acid inhibitor ME0385
关键词 keywordsadenovirus, fiber knob, protein carbohydrate interaction, sialic acid, carbohydrate mimic, multivalent ligand, VIRAL PROTEIN; VIRAL PROTEIN
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier37.10
回转半径 Rg (电子) rg_electron36.68
零角强度 I(0) i0238661000.00
分子量 molecular_weight127210.0 kDa
排除体积 excluded_volume159590 ų
包络体积 envelope_volume196560 ų
水化壳体积 shell_volume45168 ų
包络直径 envelope_diameter125.1
壳层 Rg shell_rg42.23
包络 Rg envelope_rg36.41
形状 Rg shape_rg36.62
总 Rg total_rg37.22
总原子数 total_atoms8918
残基数 n_residues1110
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

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax120.9
Rg (实空间) rg_real37.25
Rg 误差 (实空间) rg_real_error1.05
I(0) (实空间) i0_real2.3870e+08
I(0) 误差 (实空间) i0_real_error4.2930e+06
Rg (倒空间) rg_reciprocal37.16
I(0) (倒空间) i0_reciprocal238600000.0000
解质量估计 total_estimate0.8584
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary36.5
偏度 Skewness skewness0.385
峰度 Kurtosis kurtosis-0.629
角度范围 angular_range— – 0.2150 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha59280000.0000
实空间数据点数 n_real_points44
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.798; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.915; Smooth: 0.847

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (11)

7. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd4k6ta_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain
结构域编号 domain_idd4k6tb_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain
结构域编号 domain_idd4k6tc_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain
结构域编号 domain_idd4k6te_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain
结构域编号 domain_idd4k6tf_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain
结构域编号 domain_idd4k6tg_
类 Class classb — All beta proteins
折叠类型 Fold foldb.21 — Virus attachment protein globular domain
超家族 Superfamily superfamilyb.21.1 — Virus attachment protein globular domain
家族 Family familyb.21.1.1 — Adenovirus fiber protein 'knob' domain

CATH v4.4 (6 domains)

结构域编号 domain_id4k6tA00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain
结构域编号 domain_id4k6tB00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain
结构域编号 domain_id4k6tC00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain
结构域编号 domain_id4k6tE00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain
结构域编号 domain_id4k6tF00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain
结构域编号 domain_id4k6tG00
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology90 — Adenovirus Type 5 Fiber Protein (Receptor Binding Domain)
同源超家族 H-superfamily homologous superfamily10 — Adenovirus pIV-related, attachment domain

8. 引用文献 (1)

9. 文件与曲线 (10)