2hpg

The crystal structure of a thermophilic TRAP periplasmic binding protein

Method: X-RAY DIFFRACTION Dmax: 93.0 Å Quality: REASONABLE

SAXS 散射曲线 SAXS Profile

SAXS profile for 2hpg

P(r) 距离分布 P(r) Distribution

P(r) distribution for 2hpg
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id2hpg
沉积日期 deposition_date2006-07-17
结构标题 titleThe crystal structure of a thermophilic TRAP periplasmic binding protein
关键词 keywordsperiplasmic binding protein, thermophilic proteins, TRAP-transport, LIGAND BINDING PROTEIN; LIGAND BINDING PROTEIN
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_guinier31.77
回转半径 Rg (电子) rg_electron30.75
零角强度 I(0) i0314312000.00
分子量 molecular_weight145320.0 kDa
排除体积 excluded_volume182620 ų
包络体积 envelope_volume216860 ų
水化壳体积 shell_volume55243 ų
包络直径 envelope_diameter98.5
壳层 Rg shell_rg40.39
包络 Rg envelope_rg30.52
形状 Rg shape_rg30.70
总 Rg total_rg31.69
总原子数 total_atoms10119
残基数 n_residues1224
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 dmax93.0
Rg (实空间) rg_real31.48
Rg 误差 (实空间) rg_real_error0.30
I(0) (实空间) i0_real3.1430e+08
I(0) 误差 (实空间) i0_real_error4.2010e+06
Rg (倒空间) rg_reciprocal31.60
I(0) (倒空间) i0_reciprocal314300000.0000
解质量估计 total_estimate0.7132
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary42.8
偏度 Skewness skewness0.035
峰度 Kurtosis kurtosis-0.557
角度范围 angular_range— – 0.2500 −1
当前正则化参数 α current_alpha0.0001
最高正则化参数 α highest_alpha106400000.0000
实空间数据点数 n_real_points51
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 0.169; Positv: 1.000; Valcen: 0.968; Smooth: 0.942

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) 8 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd2hpga_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.94 — Periplasmic binding protein-like II
超家族 Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
家族 Family familyc.94.1.0 — automated matches
结构域编号 domain_idd2hpgb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.94 — Periplasmic binding protein-like II
超家族 Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
家族 Family familyc.94.1.0 — automated matches
结构域编号 domain_idd2hpgc_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.94 — Periplasmic binding protein-like II
超家族 Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
家族 Family familyc.94.1.0 — automated matches
结构域编号 domain_idd2hpgd_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.94 — Periplasmic binding protein-like II
超家族 Superfamily superfamilyc.94.1 — Periplasmic binding protein-like II
家族 Family familyc.94.1.0 — automated matches

CATH v4.4 (4 domains)

结构域编号 domain_id2hpgA00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7
结构域编号 domain_id2hpgB00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7
结构域编号 domain_id2hpgC00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7
结构域编号 domain_id2hpgD00
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology190 — D-Maltodextrin-Binding Protein; domain 2
同源超家族 H-superfamily homologous superfamily170 — Bacterial extracellular solute-binding protein, family 7

7. 引用文献 (1)

8. 文件与曲线 (10)