1pwq

Crystal structure of Anthrax Lethal Factor complexed with Thioacetyl-Tyr-Pro-Met-Amide, a metal-chelating peptidyl small molecule inhibitor

Method: X-RAY DIFFRACTION Dmax: 117.2 Å Quality: REASONABLE

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

Lethal factor

Bacillus anthracis

UniProt P15917

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 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 A; UniProt 34–809 未记录 ZN ZINC ION × 1 SD2 N-(SULFANYLACETYL)TYROSYLPROLYLMETHIONINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;Ammonium sulfate, Tris-HCl, EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K 分辨率 3.52 Å R-free 0.311
2 蛋白单体 单体 蛋白 × 1 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 B; UniProt 34–809 未记录 ZN ZINC ION × 1 SD2 N-(SULFANYLACETYL)TYROSYLPROLYLMETHIONINAMIDE × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 8;298 K;Ammonium sulfate, Tris-HCl, EDTA, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K 分辨率 3.52 Å R-free 0.311

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 30 个其他 PDB 条目、37 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 LEF_BACAN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–776; UniProt 34–809 作者链 B; PDB构建体 1–776; UniProt 34–809

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 1pwq

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1pwq
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id1pwq
沉积日期 deposition_date2003-07-02
结构标题 titleCrystal structure of Anthrax Lethal Factor complexed with Thioacetyl-Tyr-Pro-Met-Amide, a metal-chelating peptidyl small molecule inhibitor
关键词 keywordsAnthrax Toxin, Lethal Factor, metal-chelator, small molecule peptidic inhibitor, 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_guinier38.30
回转半径 Rg (电子) rg_electron37.59
零角强度 I(0) i0434562000.00
分子量 molecular_weight171700.0 kDa
排除体积 excluded_volume216050 ų
包络体积 envelope_volume300210 ų
水化壳体积 shell_volume64973 ų
包络直径 envelope_diameter122.9
壳层 Rg shell_rg44.92
包络 Rg envelope_rg37.01
形状 Rg shape_rg37.59
总 Rg total_rg38.05
总原子数 total_atoms12120
残基数 n_residues1466
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 dmax117.2
Rg (实空间) rg_real38.43
Rg 误差 (实空间) rg_real_error0.26
I(0) (实空间) i0_real4.2390e+08
I(0) 误差 (实空间) i0_real_error5.0640e+06
Rg (倒空间) rg_reciprocal38.21
I(0) (倒空间) i0_reciprocal434600000.0000
解质量估计 total_estimate0.7252
解质量评级 solution_quality REASONABLE a REASONABLE solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary51.5
偏度 Skewness skewness0.172
峰度 Kurtosis kurtosis-0.410
角度范围 angular_range— – 0.2050 −1
当前正则化参数 α current_alpha2.9360
最高正则化参数 α highest_alpha105500000.0000
实空间数据点数 n_real_points42
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.949; Stabil: 0.924; Sysdev: 0.000; Positv: 1.000; Valcen: 0.981; Smooth: 0.836

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

6. 实体与聚合物信息 Entities & Polymers (3)

7. 折叠分类 (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1pwqa1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.92 — Zincin-like
超家族 Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
家族 Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
结构域编号 domain_idd1pwqa2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.92 — Zincin-like
超家族 Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
家族 Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
结构域编号 domain_idd1pwqa3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.166 — ADP-ribosylation
超家族 Superfamily superfamilyd.166.1 — ADP-ribosylation
家族 Family familyd.166.1.1 — ADP-ribosylating toxins
结构域编号 domain_idd1pwqb1
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.92 — Zincin-like
超家族 Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
家族 Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
结构域编号 domain_idd1pwqb2
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.92 — Zincin-like
超家族 Superfamily superfamilyd.92.1 — Metalloproteases ('zincins'), catalytic domain
家族 Family familyd.92.1.14 — Anthrax toxin lethal factor, N- and C-terminal domains
结构域编号 domain_idd1pwqb3
类 Class classd — Alpha and beta proteins (a+b)
折叠类型 Fold foldd.166 — ADP-ribosylation
超家族 Superfamily superfamilyd.166.1 — ADP-ribosylation
家族 Family familyd.166.1.1 — ADP-ribosylating toxins

CATH v4.4 (8 domains)

结构域编号 domain_id1pwqA01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology390 — Collagenase (Catalytic Domain)
同源超家族 H-superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
结构域编号 domain_id1pwqA02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology176 — Toxin ADP-ribosyltransferase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Toxin ADP-ribosyltransferase; Chain A, domain 1
结构域编号 domain_id1pwqA03
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology2030 — Anthrax toxin lethal factor, domain 3, chain A
同源超家族 H-superfamily homologous superfamily10 — Anthrax toxin lethal factor, domain 3, chain A
结构域编号 domain_id1pwqA04
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology390 — Collagenase (Catalytic Domain)
同源超家族 H-superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
结构域编号 domain_id1pwqB01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology390 — Collagenase (Catalytic Domain)
同源超家族 H-superfamily homologous superfamily10 — Collagenase (Catalytic Domain)
结构域编号 domain_id1pwqB02
类 Class class3 — Alpha Beta
架构 Architecture architecture90 — Alpha-Beta Complex
拓扑 Topology topology176 — Toxin ADP-ribosyltransferase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily10 — Toxin ADP-ribosyltransferase; Chain A, domain 1
结构域编号 domain_id1pwqB03
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology2030 — Anthrax toxin lethal factor, domain 3, chain A
同源超家族 H-superfamily homologous superfamily10 — Anthrax toxin lethal factor, domain 3, chain A
结构域编号 domain_id1pwqB04
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology390 — Collagenase (Catalytic Domain)
同源超家族 H-superfamily homologous superfamily10 — Collagenase (Catalytic Domain)

8. 引用文献 (1)

9. 文件与曲线 (10)