1k23

Inorganic Pyrophosphatase (Family II) from Bacillus subtilis

Method: X-RAY DIFFRACTION Dmax: 129.1 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1k23

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1k23
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1. 结构基本信息 1. Structure Basics

条目编号 entry_id1k23
沉积日期 deposition_date2001-09-26
结构标题 titleInorganic Pyrophosphatase (Family II) from Bacillus subtilis
关键词 keywordsinorganic pyrophosphatase, manganese, binuclear metal centre, HYDROLASE; 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_guinier38.09
回转半径 Rg (电子) rg_electron38.15
零角强度 I(0) i0252792000.00
分子量 molecular_weight128210.0 kDa
排除体积 excluded_volume160240 ų
包络体积 envelope_volume215270 ų
水化壳体积 shell_volume48612 ų
包络直径 envelope_diameter135.5
壳层 Rg shell_rg41.91
包络 Rg envelope_rg38.33
形状 Rg shape_rg38.16
总 Rg total_rg38.37
总原子数 total_atoms8915
残基数 n_residues1133
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 dmax129.1
Rg (实空间) rg_real38.18
Rg 误差 (实空间) rg_real_error1.19
I(0) (实空间) i0_real2.5280e+08
I(0) 误差 (实空间) i0_real_error4.5750e+06
Rg (倒空间) rg_reciprocal38.13
I(0) (倒空间) i0_reciprocal252800000.0000
解质量估计 total_estimate0.8741
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary46.1
偏度 Skewness skewness0.408
峰度 Kurtosis kurtosis-0.193
角度范围 angular_range— – 0.2100 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha20600000.0000
实空间数据点数 n_real_points43
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.834; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.861

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

5. 实体与聚合体信息 (3)

6. 折叠分类 (SCOP + CATH) 11 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1k23a_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.107 — DHH phosphoesterases
超家族 Superfamily superfamilyc.107.1 — DHH phosphoesterases
家族 Family familyc.107.1.1 — Manganese-dependent inorganic pyrophosphatase (family II)
结构域编号 domain_idd1k23b_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.107 — DHH phosphoesterases
超家族 Superfamily superfamilyc.107.1 — DHH phosphoesterases
家族 Family familyc.107.1.1 — Manganese-dependent inorganic pyrophosphatase (family II)
结构域编号 domain_idd1k23c_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.107 — DHH phosphoesterases
超家族 Superfamily superfamilyc.107.1 — DHH phosphoesterases
家族 Family familyc.107.1.1 — Manganese-dependent inorganic pyrophosphatase (family II)
结构域编号 domain_idd1k23d_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.107 — DHH phosphoesterases
超家族 Superfamily superfamilyc.107.1 — DHH phosphoesterases
家族 Family familyc.107.1.1 — Manganese-dependent inorganic pyrophosphatase (family II)

CATH v4.4 (7 domains)

结构域编号 domain_id1k23A01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1640 — inorganic pyrophosphatase (n-terminal core)
同源超家族 H-superfamily homologous superfamily10 — inorganic pyrophosphatase (n-terminal core)
结构域编号 domain_id1k23A02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology310 — Diaminopimelate Epimerase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily20 — DHHA2 domain
结构域编号 domain_id1k23B01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1640 — inorganic pyrophosphatase (n-terminal core)
同源超家族 H-superfamily homologous superfamily10 — inorganic pyrophosphatase (n-terminal core)
结构域编号 domain_id1k23B02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology310 — Diaminopimelate Epimerase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily20 — DHHA2 domain
结构域编号 domain_id1k23C01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1640 — inorganic pyrophosphatase (n-terminal core)
同源超家族 H-superfamily homologous superfamily10 — inorganic pyrophosphatase (n-terminal core)
结构域编号 domain_id1k23C02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology310 — Diaminopimelate Epimerase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily20 — DHHA2 domain
结构域编号 domain_id1k23D01
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology1640 — inorganic pyrophosphatase (n-terminal core)
同源超家族 H-superfamily homologous superfamily10 — inorganic pyrophosphatase (n-terminal core)

7. 引用文献 (1)

8. 文件与曲线 (10)