1b5q
A 30 ANGSTROM U-SHAPED CATALYTIC TUNNEL IN THE CRYSTAL STRUCTURE OF POLYAMINE OXIDASE
1. 蛋白身份与相关结构 Protein Identity & Related Structures
当前条目没有可用的 UniProt 蛋白身份。
七张关系表仍保留该条目的 assembly 与组成信息,但缺少统一蛋白身份时,不能可靠建立跨 PDB 的同蛋白链接。
当前条目的 assembly 组成
| Assembly | 聚集状态 | 实体与构建体证据 | 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 | 其他组合 同源多聚体 蛋白 6 / DNA 0 / RNA 0 / 其他聚合物 6 PDB 声明:hexameric | 实体 1:PROTEIN (POLYAMINE OXIDASE) × 6 实体 2:2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 4 实体 3:;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-D-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 缺少 UniProt 身份时不显示参考序列区间 | 实体 1片段:FAD-BINDING DOMAIN | FAD FLAVIN-ADENINE DINUCLEOTIDE × 6 MD2 N,N'-BIS(2,3-BUTADIENYL)-1,4-BUTANE-DIAMINE × 6 | X-RAY DIFFRACTION X-ray结晶条件:pH 4.6;pH 4.6 | 分辨率 1.90 Å |
| 2 | 其他组合 同源多聚体 蛋白 2 / DNA 0 / RNA 0 / 其他聚合物 2 PDB 声明:dimeric | 实体 1:PROTEIN (POLYAMINE OXIDASE) × 2 实体 3:;alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-D-fucopyranose-(1-3)]2-acetamido-2-deoxy-beta-D-glucopyranose ; × 2 缺少 UniProt 身份时不显示参考序列区间 | 实体 1片段:FAD-BINDING DOMAIN | FAD FLAVIN-ADENINE DINUCLEOTIDE × 2 MD2 N,N'-BIS(2,3-BUTADIENYL)-1,4-BUTANE-DIAMINE × 2 | X-RAY DIFFRACTION X-ray结晶条件:pH 4.6;pH 4.6 | 分辨率 1.90 Å |
| 3 | 其他组合 同源多聚体 蛋白 2 / DNA 0 / RNA 0 / 其他聚合物 2 PDB 声明:dimeric | 实体 1:PROTEIN (POLYAMINE OXIDASE) × 2 实体 2:2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 缺少 UniProt 身份时不显示参考序列区间 | 实体 1片段:FAD-BINDING DOMAIN | FAD FLAVIN-ADENINE DINUCLEOTIDE × 2 MD2 N,N'-BIS(2,3-BUTADIENYL)-1,4-BUTANE-DIAMINE × 2 | X-RAY DIFFRACTION X-ray结晶条件:pH 4.6;pH 4.6 | 分辨率 1.90 Å |
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
P(r) 距离分布 P(r) Distribution
2. 结构基本信息 2. Structure Basics
| 条目编号 entry_id | 1b5q |
| 沉积日期 deposition_date | 1999-01-07 |
| 结构标题 title | A 30 ANGSTROM U-SHAPED CATALYTIC TUNNEL IN THE CRYSTAL STRUCTURE OF POLYAMINE OXIDASE |
| 关键词 keywords | FLAVIN-DEPENDENT AMINE OXIDASE, OXIDOREDUCTASE; OXIDOREDUCTASE |
| 实验方法 method | X-RAY DIFFRACTION |
3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 42.70 Å |
| 回转半径 Rg (电子) rg_electron | 42.49 Å |
| 零角强度 I(0) i0 | 385763000.00 |
| 分子量 molecular_weight | 161980.0 kDa |
| 排除体积 excluded_volume | 202660 ų |
| 包络体积 envelope_volume | 270590 ų |
| 水化壳体积 shell_volume | 53225 ų |
| 包络直径 envelope_diameter | 139.3 Å |
| 壳层 Rg shell_rg | 47.43 Å |
| 包络 Rg envelope_rg | 41.69 Å |
| 形状 Rg shape_rg | 42.42 Å |
| 总 Rg total_rg | 42.94 Å |
| 总原子数 total_atoms | 11431 |
| 残基数 n_residues | 1383 |
| 球谐函数阶数 n_harmonics | 20 |
| q 范围 q_range | — – 0.5000 Å−1 |
| 数据点数 n_points | 101 |
| 壳层类型 shell_type | directional |
| 溶剂电子密度 solvent_density | 0.3340 e/ų |
| 壳层衬度 contrast_shell | 0.0300 e/ų |
| CRYSOL 版本 crysol_version | 4.1.3 |
4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 136.5 Å |
| Rg (实空间) rg_real | 42.72 Å |
| Rg 误差 (实空间) rg_real_error | 1.41 Å |
| I(0) (实空间) i0_real | 3.8580e+08 |
| I(0) 误差 (实空间) i0_real_error | 8.2960e+06 |
| Rg (倒空间) rg_reciprocal | 42.70 Å |
| I(0) (倒空间) i0_reciprocal | 385700000.0000 |
| 解质量估计 total_estimate | 0.8738 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 33.2 Å |
| 偏度 Skewness skewness | 0.183 |
| 峰度 Kurtosis kurtosis | -0.880 |
| 角度范围 angular_range | — – 0.1850 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 108700000.0000 |
| 实空间数据点数 n_real_points | 38 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.847; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.937; Smooth: 0.877 |
5. 晶体学与实验 5. Crystallography & Experiment
6. 实体与聚合物信息 Entities & Polymers (6)
7. 折叠分类 (SCOP + CATH) 12 domains
SCOP 2.08 (6 domains)
| 结构域编号 domain_id | d1b5qa1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.3 — FAD/NAD(P)-binding domain |
| 超家族 Superfamily superfamily | c.3.1 — FAD/NAD(P)-binding domain |
| 家族 Family family | c.3.1.2 — FAD-linked reductases, N-terminal domain |
| 结构域编号 domain_id | d1b5qa2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.16 — FAD-linked reductases, C-terminal domain |
| 超家族 Superfamily superfamily | d.16.1 — FAD-linked reductases, C-terminal domain |
| 家族 Family family | d.16.1.5 — L-aminoacid/polyamine oxidase |
| 结构域编号 domain_id | d1b5qb1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.3 — FAD/NAD(P)-binding domain |
| 超家族 Superfamily superfamily | c.3.1 — FAD/NAD(P)-binding domain |
| 家族 Family family | c.3.1.2 — FAD-linked reductases, N-terminal domain |
| 结构域编号 domain_id | d1b5qb2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.16 — FAD-linked reductases, C-terminal domain |
| 超家族 Superfamily superfamily | d.16.1 — FAD-linked reductases, C-terminal domain |
| 家族 Family family | d.16.1.5 — L-aminoacid/polyamine oxidase |
| 结构域编号 domain_id | d1b5qc1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.3 — FAD/NAD(P)-binding domain |
| 超家族 Superfamily superfamily | c.3.1 — FAD/NAD(P)-binding domain |
| 家族 Family family | c.3.1.2 — FAD-linked reductases, N-terminal domain |
| 结构域编号 domain_id | d1b5qc2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.16 — FAD-linked reductases, C-terminal domain |
| 超家族 Superfamily superfamily | d.16.1 — FAD-linked reductases, C-terminal domain |
| 家族 Family family | d.16.1.5 — L-aminoacid/polyamine oxidase |
CATH v4.4 (6 domains)
| 结构域编号 domain_id | 1b5qA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 50 — 3-Layer(bba) Sandwich |
| 拓扑 Topology topology | 50 — FAD/NAD(P)-binding domain |
| 同源超家族 H-superfamily homologous superfamily | 60 — FAD/NAD(P)-binding domain |
| 结构域编号 domain_id | 1b5qA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 660 — Polyamine Oxidase; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 1b5qB01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 50 — 3-Layer(bba) Sandwich |
| 拓扑 Topology topology | 50 — FAD/NAD(P)-binding domain |
| 同源超家族 H-superfamily homologous superfamily | 60 — FAD/NAD(P)-binding domain |
| 结构域编号 domain_id | 1b5qB02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 660 — Polyamine Oxidase; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 1b5qC01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 50 — 3-Layer(bba) Sandwich |
| 拓扑 Topology topology | 50 — FAD/NAD(P)-binding domain |
| 同源超家族 H-superfamily homologous superfamily | 60 — FAD/NAD(P)-binding domain |
| 结构域编号 domain_id | 1b5qC02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 90 — Alpha-Beta Complex |
| 拓扑 Topology topology | 660 — Polyamine Oxidase; Chain A, domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |