1tkd

T7 DNA polymerase ternary complex with 8 oxo guanosine and dCMP at the elongation site

Method: X-RAY DIFFRACTION Dmax: 111.0 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1tkd

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1tkd
沉积日期 deposition_date2004-06-08
结构标题 titleT7 DNA polymerase ternary complex with 8 oxo guanosine and dCMP at the elongation site
关键词 keywords8-oxoguanosine DNA polymerase, TRANSFERASE-ELECTRON TRANSPORT-DNA COMPLEX; TRANSFERASE/ELECTRON TRANSPORT/DNA
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_guinier33.26
回转半径 Rg (电子) rg_electron33.85
零角强度 I(0) i0188073000.00
分子量 molecular_weight101900.0 kDa
排除体积 excluded_volume124100 ų
包络体积 envelope_volume163850 ų
水化壳体积 shell_volume41823 ų
包络直径 envelope_diameter118.5
壳层 Rg shell_rg38.93
包络 Rg envelope_rg33.83
形状 Rg shape_rg33.88
总 Rg total_rg34.14
总原子数 total_atoms7126
残基数 n_residues836
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 dmax111.0
Rg (实空间) rg_real34.56
Rg 误差 (实空间) rg_real_error0.31
I(0) (实空间) i0_real1.8760e+08
I(0) 误差 (实空间) i0_real_error2.6140e+06
Rg (倒空间) rg_reciprocal33.38
I(0) (倒空间) i0_reciprocal188100000.0000
解质量估计 total_estimate0.6604
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary37.0
偏度 Skewness skewness0.548
峰度 Kurtosis kurtosis-0.190
角度范围 angular_range— – 0.2400 −1
当前正则化参数 α current_alpha3.1320
最高正则化参数 α highest_alpha28270000.0000
实空间数据点数 n_real_points49
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.852; Stabil: 0.899; Sysdev: 0.000; Positv: 1.000; Valcen: 0.954; Smooth: 0.411

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

5. 实体与聚合体信息 (10)

6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd1tkda1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.55 — Ribonuclease H-like motif
超家族 Superfamily superfamilyc.55.3 — Ribonuclease H-like
家族 Family familyc.55.3.5 — DnaQ-like 3'-5' exonuclease
结构域编号 domain_idd1tkda2
类 Class classe — Multi-domain proteins (alpha and beta)
折叠类型 Fold folde.8 — DNA/RNA polymerases
超家族 Superfamily superfamilye.8.1 — DNA/RNA polymerases
家族 Family familye.8.1.1 — DNA polymerase I
结构域编号 domain_idd1tkdb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.47 — Thioredoxin fold
超家族 Superfamily superfamilyc.47.1 — Thioredoxin-like
家族 Family familyc.47.1.1 — Thioltransferase

CATH v4.4 (5 domains)

结构域编号 domain_id1tkdA01
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology420 — Nucleotidyltransferase; domain 5
同源超家族 H-superfamily homologous superfamily10 — Ribonuclease H-like superfamily/Ribonuclease H
结构域编号 domain_id1tkdA02
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1060 — Taq DNA Polymerase; Chain T, domain 4
同源超家族 H-superfamily homologous superfamily10 — Taq DNA Polymerase; Chain T, domain 4
结构域编号 domain_id1tkdA03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily370
结构域编号 domain_id1tkdA04
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology150 — DNA polymerase; domain 1
同源超家族 H-superfamily homologous superfamily20 — 5' to 3' exonuclease, C-terminal subdomain
结构域编号 domain_id1tkdB00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology30 — Glutaredoxin
同源超家族 H-superfamily homologous superfamily10 — Glutaredoxin

7. 引用文献 (1)

8. 文件与曲线 (10)