2kko

;Solution NMR structure of the homodimeric winged helix-turn-helix DNA-binding domain (fragment 1-100) Mb0332 from Mycobacterium bovis, a possible ArsR-family transcriptional regulator. Northeast Structural Genomics Consortium Target MbR242E. ;

Method: SOLUTION NMR Dmax: 68.8 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 2kko

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id2kko
沉积日期 deposition_date2009-06-26
结构标题 title;Solution NMR structure of the homodimeric winged helix-turn-helix DNA-binding domain (fragment 1-100) Mb0332 from Mycobacterium bovis, a possible ArsR-family transcriptional regulator. Northeast Structural Genomics Consortium Target MbR242E. ;
关键词 keywords;NESG, DNA-BINDING, TRANSCRIPTION REGULATION, TRANSCRIPTIONAL REGULATOR, wHTH, HOMODIMER, winged helix-turn-helix, Transcription, Transferase, Structural Genomics, PSI-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, DNA BINDING PROTEIN ;; DNA BINDING PROTEIN
实验方法 methodSOLUTION NMR

2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier20.58
回转半径 Rg (电子) rg_electron19.75
零角强度 I(0) i03427790000.00
分子量 molecular_weight469090.0 kDa
排除体积 excluded_volume577980 ų
包络体积 envelope_volume81642 ų
水化壳体积 shell_volume27953 ų
包络直径 envelope_diameter79.5
壳层 Rg shell_rg31.75
包络 Rg envelope_rg24.49
形状 Rg shape_rg19.75
总 Rg total_rg19.96
总原子数 total_atoms66560
残基数 n_residues4320
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 dmax68.8
Rg (实空间) rg_real20.58
Rg 误差 (实空间) rg_real_error0.57
I(0) (实空间) i0_real3.4280e+09
I(0) 误差 (实空间) i0_real_error4.9660e+07
Rg (倒空间) rg_reciprocal20.58
I(0) (倒空间) i0_reciprocal3428000000.0000
解质量估计 total_estimate0.8073
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary20.9
偏度 Skewness skewness0.314
峰度 Kurtosis kurtosis-0.368
角度范围 angular_range— – 0.3850 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha2237000.0000
实空间数据点数 n_real_points70
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.840; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.974; Smooth: 0.000

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

5. 实体与聚合体信息 (1)

6. 折叠分类 (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd2kkoa1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.0 — automated matches
结构域编号 domain_idd2kkoa2
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_idd2kkob1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.0 — automated matches
结构域编号 domain_idd2kkob2
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 (2 domains)

结构域编号 domain_id2kkoA00
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id2kkoB00
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain

7. 引用文献 (1)

8. 文件与曲线 (10)