1gm5

Structure of RecG bound to three-way DNA junction

Method: X-RAY DIFFRACTION Dmax: 109.1 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1gm5

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1gm5
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1gm5
沉积日期 deposition_date2001-09-11
结构标题 titleStructure of RecG bound to three-way DNA junction
关键词 keywordsHELICASE, REPLICATION RESTART; HELICASE
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_guinier34.65
回转半径 Rg (电子) rg_electron33.99
零角强度 I(0) i0165721000.00
分子量 molecular_weight97025.0 kDa
排除体积 excluded_volume119050 ų
包络体积 envelope_volume165280 ų
水化壳体积 shell_volume41340 ų
包络直径 envelope_diameter107.6
壳层 Rg shell_rg39.94
包络 Rg envelope_rg33.06
形状 Rg shape_rg33.97
总 Rg total_rg34.49
总原子数 total_atoms6779
残基数 n_residues770
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 dmax109.1
Rg (实空间) rg_real34.60
Rg 误差 (实空间) rg_real_error0.64
I(0) (实空间) i0_real1.6570e+08
I(0) 误差 (实空间) i0_real_error2.4060e+06
Rg (倒空间) rg_reciprocal34.63
I(0) (倒空间) i0_reciprocal165700000.0000
解质量估计 total_estimate0.8385
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary40.3
偏度 Skewness skewness0.208
峰度 Kurtosis kurtosis-0.632
角度范围 angular_range— – 0.2300 −1
当前正则化参数 α current_alpha0.0002
最高正则化参数 α highest_alpha17610000.0000
实空间数据点数 n_real_points47
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.966; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.000

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

5. 实体与聚合体信息 (6)

6. 折叠分类 (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1gm5a1
类 Class classa — All alpha proteins
折叠类型 Fold folda.24 — Four-helical up-and-down bundle
超家族 Superfamily superfamilya.24.21 — RecG, N-terminal domain
家族 Family familya.24.21.1 — RecG, N-terminal domain
结构域编号 domain_idd1gm5a2
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.9 — RecG 'wedge' domain
结构域编号 domain_idd1gm5a3
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain
结构域编号 domain_idd1gm5a4
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.19 — Tandem AAA-ATPase domain

CATH v4.4 (4 domains)

结构域编号 domain_id1gm5A01
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology120 — Four Helix Bundle (Hemerythrin (Met), subunit A)
同源超家族 H-superfamily homologous superfamily630 — RecG, N-terminal domain
结构域编号 domain_id1gm5A03
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1gm5A04
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_id1gm5A05
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

7. 引用文献 (1)

8. 文件与曲线 (10)