1gtw

crystal structure of C/EBPbeta bZip homodimer bound to a DNA fragment from the tom-1A promoter

Method: X-RAY DIFFRACTION Dmax: 98.2 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 1gtw

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1gtw
沉积日期 deposition_date2002-01-22
结构标题 titlecrystal structure of C/EBPbeta bZip homodimer bound to a DNA fragment from the tom-1A promoter
关键词 keywordsTRANSCRIPTION/DNA, PROTEIN-DNA COMPLEX, TRANSCRIPTION FACTOR, C/EBP, HYPOTHETICAL PROTEIN, TRANSCRIPTION-DNA complex; TRANSCRIPTION/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_guinier25.76
回转半径 Rg (电子) rg_electron27.70
零角强度 I(0) i018536800.00
分子量 molecular_weight25881.0 kDa
排除体积 excluded_volume29420 ų
包络体积 envelope_volume42074 ų
水化壳体积 shell_volume15189 ų
包络直径 envelope_diameter100.9
壳层 Rg shell_rg29.19
包络 Rg envelope_rg28.42
形状 Rg shape_rg27.77
总 Rg total_rg27.68
总原子数 total_atoms1779
残基数 n_residues166
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 dmax98.2
Rg (实空间) rg_real26.39
Rg 误差 (实空间) rg_real_error1.18
I(0) (实空间) i0_real1.8540e+07
I(0) 误差 (实空间) i0_real_error2.8780e+05
Rg (倒空间) rg_reciprocal26.19
I(0) (倒空间) i0_reciprocal18530000.0000
解质量估计 total_estimate0.6868
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary19.0
偏度 Skewness skewness0.776
峰度 Kurtosis kurtosis-0.082
角度范围 angular_range— – 0.3100 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha1256000.0000
实空间数据点数 n_real_points63
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.290; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.088; Smooth: 0.967

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

5. 实体与聚合体信息 (4)

6. 折叠分类 (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1gtwa_
类 Class classh — Coiled coil proteins
折叠类型 Fold foldh.1 — Parallel coiled-coil
超家族 Superfamily superfamilyh.1.3 — Leucine zipper domain
家族 Family familyh.1.3.1 — Leucine zipper domain
结构域编号 domain_idd1gtwb_
类 Class classh — Coiled coil proteins
折叠类型 Fold foldh.1 — Parallel coiled-coil
超家族 Superfamily superfamilyh.1.3 — Leucine zipper domain
家族 Family familyh.1.3.1 — Leucine zipper domain

CATH v4.4 (2 domains)

结构域编号 domain_id1gtwA00
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily170
结构域编号 domain_id1gtwB00
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
同源超家族 H-superfamily homologous superfamily170

7. 引用文献 (6)

8. 文件与曲线 (10)