1goi

Crystal structure of the D140N mutant of chitinase B from Serratia marcescens at 1.45 A resolution

Method: X-RAY DIFFRACTION Dmax: 121.9 Å Quality: GOOD

SAXS 散射曲线 SAXS Profile

SAXS profile for 1goi

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1goi
下载 Download

1. 结构基本信息 1. Structure Basics

条目编号 entry_id1goi
沉积日期 deposition_date2001-10-21
结构标题 titleCrystal structure of the D140N mutant of chitinase B from Serratia marcescens at 1.45 A resolution
关键词 keywordsCHITIN DEGRADATION, HYDROLASE, GLYCOSIDASE; 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_guinier36.91
回转半径 Rg (电子) rg_electron36.35
零角强度 I(0) i0189536000.00
分子量 molecular_weight111640.0 kDa
排除体积 excluded_volume139360 ų
包络体积 envelope_volume170380 ų
水化壳体积 shell_volume39937 ų
包络直径 envelope_diameter124.2
壳层 Rg shell_rg41.56
包络 Rg envelope_rg36.25
形状 Rg shape_rg36.32
总 Rg total_rg36.76
总原子数 total_atoms7885
残基数 n_residues994
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 dmax121.9
Rg (实空间) rg_real37.16
Rg 误差 (实空间) rg_real_error1.53
I(0) (实空间) i0_real1.8950e+08
I(0) 误差 (实空间) i0_real_error3.2860e+06
Rg (倒空间) rg_reciprocal37.01
I(0) (倒空间) i0_reciprocal189500000.0000
解质量估计 total_estimate0.8301
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary34.0
偏度 Skewness skewness0.415
峰度 Kurtosis kurtosis-0.688
角度范围 angular_range— – 0.2150 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha30470000.0000
实空间数据点数 n_real_points44
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.714; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.791; Smooth: 0.854

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) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1goia1
类 Class classb — All beta proteins
折叠类型 Fold foldb.72 — WW domain-like
超家族 Superfamily superfamilyb.72.2 — Carbohydrate binding domain
家族 Family familyb.72.2.1 — Carbohydrate binding domain
结构域编号 domain_idd1goia2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.8 — (Trans)glycosidases
家族 Family familyc.1.8.5 — Type II chitinase
结构域编号 domain_idd1goia3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.26 — FKBP-like
超家族 Superfamily superfamilyd.26.3 — Chitinase insertion domain
家族 Family familyd.26.3.1 — Chitinase insertion domain
结构域编号 domain_idd1goib1
类 Class classb — All beta proteins
折叠类型 Fold foldb.72 — WW domain-like
超家族 Superfamily superfamilyb.72.2 — Carbohydrate binding domain
家族 Family familyb.72.2.1 — Carbohydrate binding domain
结构域编号 domain_idd1goib2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamilyc.1.8 — (Trans)glycosidases
家族 Family familyc.1.8.5 — Type II chitinase
结构域编号 domain_idd1goib3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.26 — FKBP-like
超家族 Superfamily superfamilyd.26.3 — Chitinase insertion domain
家族 Family familyd.26.3.1 — Chitinase insertion domain

CATH v4.4 (6 domains)

结构域编号 domain_id1goiA01
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily80 — Glycosidases
结构域编号 domain_id1goiA02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology50 — Chitinase A; domain 3
同源超家族 H-superfamily homologous superfamily10
结构域编号 domain_id1goiA03
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology10 — Seminal Fluid Protein PDC-109 (Domain B)
同源超家族 H-superfamily homologous superfamily20 — Carbohydrate-binding module superfamily 5/12
结构域编号 domain_id1goiB01
类 Class class3 — Alpha Beta
架构 Architecture architecture20 — Alpha-Beta Barrel
拓扑 Topology topology20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily80 — Glycosidases
结构域编号 domain_id1goiB02
类 Class class3 — Alpha Beta
架构 Architecture architecture10 — Roll
拓扑 Topology topology50 — Chitinase A; domain 3
同源超家族 H-superfamily homologous superfamily10
结构域编号 domain_id1goiB03
类 Class class2 — Mainly Beta
架构 Architecture architecture10 — Ribbon
拓扑 Topology topology10 — Seminal Fluid Protein PDC-109 (Domain B)
同源超家族 H-superfamily homologous superfamily20 — Carbohydrate-binding module superfamily 5/12

7. 引用文献 (3)

8. 文件与曲线 (10)