1nhq

;CRYSTALLOGRAPHIC ANALYSES OF NADH PEROXIDASE CYS42ALA AND CYS42SER MUTANTS: ACTIVE SITE STRUCTURE, MECHANISTIC IMPLICATIONS, AND AN UNUSUAL ENVIRONMENT OF ARG303 ;

Method: X-RAY DIFFRACTION Dmax: 77.8 Å Quality: EXCELLENT

SAXS 散射曲线 SAXS Profile

SAXS profile for 1nhq

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1nhq
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id1nhq
沉积日期 deposition_date1994-12-09
结构标题 title;CRYSTALLOGRAPHIC ANALYSES OF NADH PEROXIDASE CYS42ALA AND CYS42SER MUTANTS: ACTIVE SITE STRUCTURE, MECHANISTIC IMPLICATIONS, AND AN UNUSUAL ENVIRONMENT OF ARG303 ;
关键词 keywordsOXIDOREDUCTASE (H2O2(A)); OXIDOREDUCTASE (H2O2(A))
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_guinier24.89
回转半径 Rg (电子) rg_electron23.84
零角强度 I(0) i041598300.00
分子量 molecular_weight50398.0 kDa
排除体积 excluded_volume63312 ų
包络体积 envelope_volume76345 ų
水化壳体积 shell_volume26653 ų
包络直径 envelope_diameter78.6
壳层 Rg shell_rg30.94
包络 Rg envelope_rg23.83
形状 Rg shape_rg23.87
总 Rg total_rg24.61
总原子数 total_atoms3548
残基数 n_residues447
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 dmax77.8
Rg (实空间) rg_real24.77
Rg 误差 (实空间) rg_real_error0.36
I(0) (实空间) i0_real4.1600e+07
I(0) 误差 (实空间) i0_real_error5.1650e+05
Rg (倒空间) rg_reciprocal24.80
I(0) (倒空间) i0_reciprocal41600000.0000
解质量估计 total_estimate0.9093
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary29.6
偏度 Skewness skewness0.158
峰度 Kurtosis kurtosis-0.603
角度范围 angular_range— – 0.3200 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha10870000.0000
实空间数据点数 n_real_points64
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.943; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.988

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) 6 domains

SCOP 2.08 (3 domains)

结构域编号 domain_idd1nhqa1
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.3 — FAD/NAD(P)-binding domain
超家族 Superfamily superfamilyc.3.1 — FAD/NAD(P)-binding domain
家族 Family familyc.3.1.5 — FAD/NAD-linked reductases, N-terminal and central domains
结构域编号 domain_idd1nhqa2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.3 — FAD/NAD(P)-binding domain
超家族 Superfamily superfamilyc.3.1 — FAD/NAD(P)-binding domain
家族 Family familyc.3.1.5 — FAD/NAD-linked reductases, N-terminal and central domains
结构域编号 domain_idd1nhqa3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.87 — CO dehydrogenase flavoprotein C-domain-like
超家族 Superfamily superfamilyd.87.1 — FAD/NAD-linked reductases, dimerisation (C-terminal) domain
家族 Family familyd.87.1.1 — FAD/NAD-linked reductases, dimerisation (C-terminal) domain

CATH v4.4 (3 domains)

结构域编号 domain_id1nhqA01
类 Class class3 — Alpha Beta
架构 Architecture architecture50 — 3-Layer(bba) Sandwich
拓扑 Topology topology50 — FAD/NAD(P)-binding domain
同源超家族 H-superfamily homologous superfamily60 — FAD/NAD(P)-binding domain
结构域编号 domain_id1nhqA02
类 Class class3 — Alpha Beta
架构 Architecture architecture50 — 3-Layer(bba) Sandwich
拓扑 Topology topology50 — FAD/NAD(P)-binding domain
同源超家族 H-superfamily homologous superfamily60 — FAD/NAD(P)-binding domain
结构域编号 domain_id1nhqA03
类 Class class3 — Alpha Beta
架构 Architecture architecture30 — 2-Layer Sandwich
拓扑 Topology topology390 — Enolase-like; domain 1
同源超家族 H-superfamily homologous superfamily30 — FAD/NAD-linked reductase, C-terminal dimerisation domain

7. 引用文献 (2)

8. 文件与曲线 (10)