1snd

;STAPHYLOCOCCAL NUCLEASE DIMER CONTAINING A DELETION OF RESIDUES 114-119 COMPLEXED WITH CALCIUM CHLORIDE AND THE COMPETITIVE INHIBITOR DEOXYTHYMIDINE-3',5'-DIPHOSPHATE ;

Method: X-RAY DIFFRACTION Dmax: 62.0 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1snd

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1snd
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id1snd
沉积日期 deposition_date1996-08-23
结构标题 title;STAPHYLOCOCCAL NUCLEASE DIMER CONTAINING A DELETION OF RESIDUES 114-119 COMPLEXED WITH CALCIUM CHLORIDE AND THE COMPETITIVE INHIBITOR DEOXYTHYMIDINE-3',5'-DIPHOSPHATE ;
关键词 keywordsHYDROLASE, NUCLEASE, ENDONUCLEASE; HYDROLASE
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_guinier20.17
回转半径 Rg (电子) rg_electron19.48
零角强度 I(0) i014417600.00
分子量 molecular_weight29306.0 kDa
排除体积 excluded_volume37156 ų
包络体积 envelope_volume43990 ų
水化壳体积 shell_volume19187 ų
包络直径 envelope_diameter65.5
壳层 Rg shell_rg25.28
包络 Rg envelope_rg19.54
形状 Rg shape_rg19.43
总 Rg total_rg20.49
总原子数 total_atoms2062
残基数 n_residues258
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 dmax62.0
Rg (实空间) rg_real20.10
Rg 误差 (实空间) rg_real_error0.37
I(0) (实空间) i0_real1.4420e+07
I(0) 误差 (实空间) i0_real_error1.5250e+05
Rg (倒空间) rg_reciprocal20.12
I(0) (倒空间) i0_reciprocal14420000.0000
解质量估计 total_estimate0.8326
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary23.9
偏度 Skewness skewness0.214
峰度 Kurtosis kurtosis-0.522
角度范围 angular_range— – 0.3950 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha2615000.0000
实空间数据点数 n_real_points71
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.942; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.000

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

5. 实体与聚合体信息 (2)

6. 折叠分类 (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1snda_
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.1 — Staphylococcal nuclease
家族 Family familyb.40.1.1 — Staphylococcal nuclease
结构域编号 domain_idd1sndb_
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.1 — Staphylococcal nuclease
家族 Family familyb.40.1.1 — Staphylococcal nuclease

CATH v4.4 (2 domains)

结构域编号 domain_id1sndA00
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 superfamily90
结构域编号 domain_id1sndB00
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 superfamily90

7. 引用文献 (1)

8. 文件与曲线 (10)