7skm

Complex between S. aureus aureolysin and wt IMPI.

Method: X-RAY DIFFRACTION Dmax: 95.1 Å Quality: EXCELLENT

1. 蛋白身份与相关结构 Protein Identity & Related Structures

Zinc metalloproteinase aureolysin

物种未注明

UniProt P81177

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白异源复合物 异源复合物 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 A; UniProt 209–509 未记录 IMPI alpha × 1 (P82176) IMPI alpha × 1 (P82176) CA CALCIUM ION × 3 ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;Best crystals of aureolysin in complex with either IMPI variant were obtained at 20 degrees with protein solutions consisting of 5 mg/mL of aureolysin and 2.9 mg/mL of IMPI (peptidase:inhibitor molar ratio of 1:2.5) in 50 mM Tris-HCl, 150 mM sodium chloride, 1.6 mM calcium chloride, 8.3 microM zinc chloride, pH 8.0, which was mixed with reservoir solution comprising 0.1 M Bis-Tris, 25% (w/v) PEG 3350, pH 5.5. 分辨率 1.85 Å R-free 0.219
2 蛋白异源复合物 异源复合物 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 C; UniProt 209–509 未记录 IMPI alpha × 1 (P82176) IMPI alpha × 1 (P82176) CA CALCIUM ION × 3 ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 1 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;Best crystals of aureolysin in complex with either IMPI variant were obtained at 20 degrees with protein solutions consisting of 5 mg/mL of aureolysin and 2.9 mg/mL of IMPI (peptidase:inhibitor molar ratio of 1:2.5) in 50 mM Tris-HCl, 150 mM sodium chloride, 1.6 mM calcium chloride, 8.3 microM zinc chloride, pH 8.0, which was mixed with reservoir solution comprising 0.1 M Bis-Tris, 25% (w/v) PEG 3350, pH 5.5. 分辨率 1.85 Å R-free 0.219

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 2 个其他 PDB 条目、3 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 AURE_STAAU
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–301; UniProt 209–509 作者链 C; PDB构建体 1–301; UniProt 209–509

IMPI alpha

Galleria mellonella

UniProt P82176

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白异源复合物 异源复合物 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 B; UniProt 19–56 链 E; UniProt 57–88 未记录 Zinc metalloproteinase aureolysin × 1 (P81177) CA CALCIUM ION × 3 ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;Best crystals of aureolysin in complex with either IMPI variant were obtained at 20 degrees with protein solutions consisting of 5 mg/mL of aureolysin and 2.9 mg/mL of IMPI (peptidase:inhibitor molar ratio of 1:2.5) in 50 mM Tris-HCl, 150 mM sodium chloride, 1.6 mM calcium chloride, 8.3 microM zinc chloride, pH 8.0, which was mixed with reservoir solution comprising 0.1 M Bis-Tris, 25% (w/v) PEG 3350, pH 5.5. 分辨率 1.85 Å R-free 0.219
2 蛋白异源复合物 异源复合物 蛋白 × 3 PDB 声明:trimeric(3) 与蛋白拷贝数一致 链 D; UniProt 19–56 链 F; UniProt 57–88 未记录 Zinc metalloproteinase aureolysin × 1 (P81177) CA CALCIUM ION × 3 ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 1 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, SITTING DROP;pH 5.5;293 K;Best crystals of aureolysin in complex with either IMPI variant were obtained at 20 degrees with protein solutions consisting of 5 mg/mL of aureolysin and 2.9 mg/mL of IMPI (peptidase:inhibitor molar ratio of 1:2.5) in 50 mM Tris-HCl, 150 mM sodium chloride, 1.6 mM calcium chloride, 8.3 microM zinc chloride, pH 8.0, which was mixed with reservoir solution comprising 0.1 M Bis-Tris, 25% (w/v) PEG 3350, pH 5.5. 分辨率 1.85 Å R-free 0.219

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 2 个其他 PDB 条目、4 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 IMPI_GALME
Isoform
PDB实体 2, 3
链与序列区间 作者链 B; PDB构建体 3–40; UniProt 19–56 作者链 D; PDB构建体 3–40; UniProt 19–56 作者链 E; PDB构建体 1–32; UniProt 57–88 作者链 F; PDB构建体 1–32; UniProt 57–88

页面优先展示蛋白身份、当前 assembly、共同组分、聚集状态和跨 PDB 结构链接。 链映射与序列区间收在“数据证据”中;数据库内部编号、导入时间和 assembly 操作表达式仅用于维护,因此不在读者页面展示。

SAXS 散射曲线 SAXS Profile

SAXS profile for 7skm

P(r) 距离分布 P(r) Distribution

P(r) distribution for 7skm
下载 Download

2. 结构基本信息 2. Structure Basics

条目编号 entry_id7skm
沉积日期 deposition_date2021-10-21
结构标题 titleComplex between S. aureus aureolysin and wt IMPI.
关键词 keywordsMetallopeptidase, inhibitor complex, point mutant, HYDROLASE; HYDROLASE
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier29.27
回转半径 Rg (电子) rg_electron28.74
零角强度 I(0) i0122840000.00
分子量 molecular_weight81918.0 kDa
排除体积 excluded_volume99826 ų
包络体积 envelope_volume124240 ų
水化壳体积 shell_volume35898 ų
包络直径 envelope_diameter101.5
壳层 Rg shell_rg36.13
包络 Rg envelope_rg28.61
形状 Rg shape_rg28.75
总 Rg total_rg29.37
总原子数 total_atoms5742
残基数 n_residues734
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

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax95.1
Rg (实空间) rg_real29.24
Rg 误差 (实空间) rg_real_error0.65
I(0) (实空间) i0_real1.2280e+08
I(0) 误差 (实空间) i0_real_error1.6570e+06
Rg (倒空间) rg_reciprocal29.25
I(0) (倒空间) i0_reciprocal122800000.0000
解质量估计 total_estimate0.9006
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary35.2
偏度 Skewness skewness0.290
峰度 Kurtosis kurtosis-0.423
角度范围 angular_range— – 0.2700 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha29450000.0000
实空间数据点数 n_real_points55
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.909; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.976

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (8)

8. 引用文献 (2)

9. 文件与曲线 (10)