4isk

Crystal structure of E.coli thymidylate synthase with dUMP and the BGC 945 inhibitor

Method: X-RAY DIFFRACTION Dmax: 157.0 Å Quality: GOOD

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

Thymidylate synthase

Escherichia coli

UniProt P0A884

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 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 A; UniProt 2–264 链 E; UniProt 2–264 片段:Transferase 非标准单体:是(mmCIF未提供具体位点) UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE × 1 MG MAGNESIUM ION × 2 1JY N-(4-{[(6S)-2-(hydroxymethyl)-4-oxo-4,6,7,8-tetrahydro-1H-cyclopenta[g]quinazolin-6-yl](prop-2-yn-1-yl)amino}benzoyl)-L-gamma-glutamyl-D-glutamic acid × 2 UMC 2'-deoxy-5'-uridylic acid × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION;pH 7.9;298 K;20-21% PEG 8000, 0.1 M TRIS, 0.2 M MgCl2, 5 mM DDT, pH 7.9, VAPOR DIFFUSION, temperature 298.0K 分辨率 1.75 Å R-free 0.233
2 蛋白同源多聚体 同源多聚体 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 B; UniProt 2–264 链 D; UniProt 2–264 片段:Transferase 非标准单体:是(mmCIF未提供具体位点) MG MAGNESIUM ION × 2 1JY N-(4-{[(6S)-2-(hydroxymethyl)-4-oxo-4,6,7,8-tetrahydro-1H-cyclopenta[g]quinazolin-6-yl](prop-2-yn-1-yl)amino}benzoyl)-L-gamma-glutamyl-D-glutamic acid × 2 UMC 2'-deoxy-5'-uridylic acid × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION;pH 7.9;298 K;20-21% PEG 8000, 0.1 M TRIS, 0.2 M MgCl2, 5 mM DDT, pH 7.9, VAPOR DIFFUSION, temperature 298.0K 分辨率 1.75 Å R-free 0.233
3 蛋白同源多聚体 同源多聚体 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 C; UniProt 2–264 链 F; UniProt 2–264 片段:Transferase 非标准单体:是(mmCIF未提供具体位点) UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE × 1 MG MAGNESIUM ION × 1 1JY N-(4-{[(6S)-2-(hydroxymethyl)-4-oxo-4,6,7,8-tetrahydro-1H-cyclopenta[g]quinazolin-6-yl](prop-2-yn-1-yl)amino}benzoyl)-L-gamma-glutamyl-D-glutamic acid × 2 UMC 2'-deoxy-5'-uridylic acid × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION;pH 7.9;298 K;20-21% PEG 8000, 0.1 M TRIS, 0.2 M MgCl2, 5 mM DDT, pH 7.9, VAPOR DIFFUSION, temperature 298.0K 分辨率 1.75 Å R-free 0.233
4 蛋白同源多聚体 同源多聚体 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 G; UniProt 2–264 链 H; UniProt 2–264 片段:Transferase 非标准单体:是(mmCIF未提供具体位点) UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE × 1 MG MAGNESIUM ION × 2 1JY N-(4-{[(6S)-2-(hydroxymethyl)-4-oxo-4,6,7,8-tetrahydro-1H-cyclopenta[g]quinazolin-6-yl](prop-2-yn-1-yl)amino}benzoyl)-L-gamma-glutamyl-D-glutamic acid × 2 UMC 2'-deoxy-5'-uridylic acid × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION;pH 7.9;298 K;20-21% PEG 8000, 0.1 M TRIS, 0.2 M MgCl2, 5 mM DDT, pH 7.9, VAPOR DIFFUSION, temperature 298.0K 分辨率 1.75 Å R-free 0.233

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 56 个其他 PDB 条目、60 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 TYSY_ECOLI
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 2–264; UniProt 2–264 作者链 B; PDB构建体 2–264; UniProt 2–264 作者链 C; PDB构建体 2–264; UniProt 2–264 作者链 D; PDB构建体 2–264; UniProt 2–264 作者链 E; PDB构建体 2–264; UniProt 2–264 作者链 F; PDB构建体 2–264; UniProt 2–264 作者链 G; PDB构建体 2–264; UniProt 2–264 作者链 H; PDB构建体 2–264; UniProt 2–264

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 4isk

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id4isk
沉积日期 deposition_date2013-01-16
结构标题 titleCrystal structure of E.coli thymidylate synthase with dUMP and the BGC 945 inhibitor
关键词 keywordsalpha/beta protein, methylase, METHYLTRANSFERASE, dUMP subtrate, TRANSFERASE-TRANSFERASE INHIBITOR complex; TRANSFERASE/TRANSFERASE INHIBITOR
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_guinier46.65
回转半径 Rg (电子) rg_electron46.37
零角强度 I(0) i0929498000.00
分子量 molecular_weight251930.0 kDa
排除体积 excluded_volume313990 ų
包络体积 envelope_volume388450 ų
水化壳体积 shell_volume69595 ų
包络直径 envelope_diameter159.1
壳层 Rg shell_rg50.41
包络 Rg envelope_rg45.78
形状 Rg shape_rg46.37
总 Rg total_rg46.50
总原子数 total_atoms34570
残基数 n_residues2104
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 dmax157.0
Rg (实空间) rg_real46.70
Rg 误差 (实空间) rg_real_error1.31
I(0) (实空间) i0_real9.2950e+08
I(0) 误差 (实空间) i0_real_error1.5860e+07
Rg (倒空间) rg_reciprocal46.65
I(0) (倒空间) i0_reciprocal929400000.0000
解质量估计 total_estimate0.8835
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary60.0
偏度 Skewness skewness0.307
峰度 Kurtosis kurtosis-0.506
角度范围 angular_range— – 0.1700 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha506000000.0000
实空间数据点数 n_real_points35
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.878; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.851

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

6. 实体与聚合物信息 Entities & Polymers (6)

7. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (16 domains)

结构域编号 domain_idd4iska1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iska2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskb1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskb2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskc1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskc2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskd1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskd2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iske1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iske2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskf1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskf2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskg1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskg2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd4iskh1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.117 — Thymidylate synthase/dCMP hydroxymethylase
超家族 Superfamily superfamilyd.117.1 — Thymidylate synthase/dCMP hydroxymethylase
家族 Family familyd.117.1.1 — Thymidylate synthase/dCMP hydroxymethylase
结构域编号 domain_idd4iskh2
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags

CATH v4.4 (8 domains)

结构域编号 domain_id4iskA00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskB00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskC00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskD00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskE00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskF00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskG00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain
结构域编号 domain_id4iskH00
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology572 — Thymidylate Synthase; Chain A
同源超家族 H-superfamily homologous superfamily10 — Thymidylate synthase/dCMP hydroxymethylase domain

8. 引用文献 (1)

9. 文件与曲线 (10)