1azy

STRUCTURAL AND THEORETICAL STUDIES SUGGEST DOMAIN MOVEMENT PRODUCES AN ACTIVE CONFORMATION OF THYMIDINE PHOSPHORYLASE

Method: X-RAY DIFFRACTION Dmax: 122.4 Å Quality: GOOD

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

THYMIDINE PHOSPHORYLASE

物种未注明

UniProt P07650

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 2–440 链 B; UniProt 2–440 未记录 无其他共同聚合物 X-RAY DIFFRACTION X-ray结晶条件:pH 4.6;pH 4.6 分辨率 3.00 Å R-free 0.276

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 6 个其他 PDB 条目、6 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 TYPH_ECOLI
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 2–440; UniProt 2–440 作者链 B; PDB构建体 2–440; UniProt 2–440

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 1azy

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1azy
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id1azy
沉积日期 deposition_date1997-11-24
结构标题 titleSTRUCTURAL AND THEORETICAL STUDIES SUGGEST DOMAIN MOVEMENT PRODUCES AN ACTIVE CONFORMATION OF THYMIDINE PHOSPHORYLASE
关键词 keywordsGLYCOSYLTRANSFERASE, THYMIDINE PHOSPHORYLASE, SALVAGE PATHWAY; GLYCOSYLTRANSFERASE
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_guinier37.40
回转半径 Rg (电子) rg_electron37.36
零角强度 I(0) i0137693000.00
分子量 molecular_weight94356.0 kDa
排除体积 excluded_volume118020 ų
包络体积 envelope_volume153870 ų
水化壳体积 shell_volume36633 ų
包络直径 envelope_diameter122.8
壳层 Rg shell_rg41.13
包络 Rg envelope_rg36.72
形状 Rg shape_rg37.39
总 Rg total_rg37.51
总原子数 total_atoms6612
残基数 n_residues880
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 dmax122.4
Rg (实空间) rg_real37.73
Rg 误差 (实空间) rg_real_error1.31
I(0) (实空间) i0_real1.3770e+08
I(0) 误差 (实空间) i0_real_error2.6210e+06
Rg (倒空间) rg_reciprocal37.53
I(0) (倒空间) i0_reciprocal137700000.0000
解质量估计 total_estimate0.7511
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks3
主峰位置 r_peak_primary32.1
偏度 Skewness skewness0.404
峰度 Kurtosis kurtosis-0.812
角度范围 angular_range— – 0.2100 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha20400000.0000
实空间数据点数 n_real_points43
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.666; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.763; Smooth: 0.000

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

6. 实体与聚合物信息 Entities & Polymers (1)

7. 折叠分类 (SCOP + CATH) 14 domains

SCOP 2.08 (8 domains)

结构域编号 domain_idd1azya1
类 Class classa — All alpha proteins
折叠类型 Fold folda.46 — Methionine synthase domain-like
超家族 Superfamily superfamilya.46.2 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain
家族 Family familya.46.2.1 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain
结构域编号 domain_idd1azya2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.27 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
超家族 Superfamily superfamilyc.27.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
家族 Family familyc.27.1.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
结构域编号 domain_idd1azya3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.41 — alpha/beta-Hammerhead
超家族 Superfamily superfamilyd.41.3 — Pyrimidine nucleoside phosphorylase C-terminal domain
家族 Family familyd.41.3.1 — Pyrimidine nucleoside phosphorylase C-terminal domain
结构域编号 domain_idd1azya4
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_idd1azyb1
类 Class classa — All alpha proteins
折叠类型 Fold folda.46 — Methionine synthase domain-like
超家族 Superfamily superfamilya.46.2 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain
家族 Family familya.46.2.1 — Nucleoside phosphorylase/phosphoribosyltransferase N-terminal domain
结构域编号 domain_idd1azyb2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.27 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
超家族 Superfamily superfamilyc.27.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
家族 Family familyc.27.1.1 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
结构域编号 domain_idd1azyb3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.41 — alpha/beta-Hammerhead
超家族 Superfamily superfamilyd.41.3 — Pyrimidine nucleoside phosphorylase C-terminal domain
家族 Family familyd.41.3.1 — Pyrimidine nucleoside phosphorylase C-terminal domain
结构域编号 domain_idd1azyb4
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 (6 domains)

结构域编号 domain_id1azyA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology970 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain A, domain 3
同源超家族 H-superfamily homologous superfamily10 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain C
结构域编号 domain_id1azyA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1030 — Pyrimidine Nucleoside Phosphorylase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
结构域编号 domain_id1azyA03
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1170 — Aldehyde Oxidoreductase; domain 3
同源超家族 H-superfamily homologous superfamily30 — Pyrimidine nucleoside phosphorylase-like, C-terminal domain
结构域编号 domain_id1azyB01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology970 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain A, domain 3
同源超家族 H-superfamily homologous superfamily10 — Transferase, Pyrimidine Nucleoside Phosphorylase; Chain C
结构域编号 domain_id1azyB02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology1030 — Pyrimidine Nucleoside Phosphorylase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily10 — Nucleoside phosphorylase/phosphoribosyltransferase catalytic domain
结构域编号 domain_id1azyB03
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1170 — Aldehyde Oxidoreductase; domain 3
同源超家族 H-superfamily homologous superfamily30 — Pyrimidine nucleoside phosphorylase-like, C-terminal domain

8. 引用文献 (2)

9. 文件与曲线 (10)