4esv

A New Twist on the Translocation Mechanism of Helicases from the Structure of DnaB with its Substrates

Method: X-RAY DIFFRACTION Dmax: 213.3 Å Quality: GOOD

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

Replicative helicase

Geobacillus stearothermophilus

UniProt Q9X4C9

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–DNA 同源多聚体 蛋白 × 6 DNA 1 PDB 声明:heptameric(7) 与全部聚合物数一致 链 A; UniProt 1–454 链 B; UniProt 1–454 链 C; UniProt 1–454 链 D; UniProt 1–454 链 E; UniProt 1–454 链 F; UniProt 1–454 未记录 5'-D(P*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3' × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 CA CALCIUM ION × 11 GDP GUANOSINE-5'-DIPHOSPHATE × 5 ALF TETRAFLUOROALUMINATE ION × 5 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 6.5;290 K;4-7% PEG3350, 0.2 M calcium chloride, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K 分辨率 3.20 Å R-free 0.289
2 蛋白–DNA 同源多聚体 蛋白 × 6 DNA 1 PDB 声明:heptameric(7) 与全部聚合物数一致 链 G; UniProt 1–454 链 H; UniProt 1–454 链 I; UniProt 1–454 链 J; UniProt 1–454 链 K; UniProt 1–454 链 L; UniProt 1–454 未记录 5'-D(P*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP*T)-3' × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 2 CA CALCIUM ION × 3 GDP GUANOSINE-5'-DIPHOSPHATE × 5 ALF TETRAFLUOROALUMINATE ION × 5 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 6.5;290 K;4-7% PEG3350, 0.2 M calcium chloride, 0.1 M MES, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 290K 分辨率 3.20 Å R-free 0.289

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 5 个其他 PDB 条目、5 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 Q9X4C9_GEOSE
Isoform
PDB实体 3
链与序列区间 作者链 A; PDB构建体 1–454; UniProt 1–454 作者链 B; PDB构建体 1–454; UniProt 1–454 作者链 C; PDB构建体 1–454; UniProt 1–454 作者链 D; PDB构建体 1–454; UniProt 1–454 作者链 E; PDB构建体 1–454; UniProt 1–454 作者链 F; PDB构建体 1–454; UniProt 1–454 作者链 G; PDB构建体 1–454; UniProt 1–454 作者链 H; PDB构建体 1–445; UniProt 1–454 作者链 I; PDB构建体 1–454; UniProt 1–454 作者链 J; PDB构建体 1–454; UniProt 1–454 作者链 K; PDB构建体 1–454; UniProt 1–454 作者链 L; PDB构建体 1–454; UniProt 1–454

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 4esv

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id4esv
沉积日期 deposition_date2012-04-23
结构标题 titleA New Twist on the Translocation Mechanism of Helicases from the Structure of DnaB with its Substrates
关键词 keywordsRecA Fold, Helicase, HYDROLASE-DNA complex; HYDROLASE/DNA
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_guinier75.59
回转半径 Rg (电子) rg_electron75.85
零角强度 I(0) i04828710000.00
分子量 molecular_weight575470.0 kDa
排除体积 excluded_volume715270 ų
包络体积 envelope_volume1167000 ų
水化壳体积 shell_volume128320 ų
包络直径 envelope_diameter248.1
壳层 Rg shell_rg74.72
包络 Rg envelope_rg72.00
形状 Rg shape_rg75.85
总 Rg total_rg75.84
总原子数 total_atoms40283
残基数 n_residues5099
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 dmax213.3
Rg (实空间) rg_real75.71
Rg 误差 (实空间) rg_real_error1.06
I(0) (实空间) i0_real4.8250e+09
I(0) 误差 (实空间) i0_real_error8.0690e+07
Rg (倒空间) rg_reciprocal74.34
I(0) (倒空间) i0_reciprocal4813000000.0000
解质量估计 total_estimate0.8069
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary60.9
偏度 Skewness skewness0.260
峰度 Kurtosis kurtosis-0.979
角度范围 angular_range— – 0.1050 −1
当前正则化参数 α current_alpha0.0037
最高正则化参数 α highest_alpha388300000.0000
实空间数据点数 n_real_points22
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.871; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.873; Smooth: 0.000

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

6. 实体与聚合物信息 Entities & Polymers (8)

7. 折叠分类 (SCOP + CATH) 24 domains

CATH v4.4 (24 domains)

结构域编号 domain_id4esvA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvB01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvB02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvC01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvC02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvD01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvD02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvE01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvE02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvF01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvF02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvG01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvG02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvH01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvH02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvI01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvI02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvJ01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvJ02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvK01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvK02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id4esvL01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology860 — DNAb Helicase; Chain A
同源超家族 H-superfamily homologous superfamily10 — DNAb Helicase; Chain A
结构域编号 domain_id4esvL02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases

8. 引用文献 (1)

9. 文件与曲线 (10)