Escherichia coli
| Assembly | 物理组成 | 蛋白状态 | 分子拷贝数 | 共同组分 | 数据核对 |
|---|---|---|---|---|---|
| 1 | 蛋白同源多聚体 | 同源多聚体 | 蛋白 4 | 1-methylethyl 1-thio-beta-D-galactopyranoside × 4 MAGNESIUM ION × 8 SODIUM ION × 10 DIMETHYL SULFOXIDE × 63 water × 4 | 与蛋白数一致 |
| UniProt名称 | BGAL_ECOLI |
| Isoform | — |
| PDB实体 | 1 |
| 链与序列区间 | 作者链 A； PDB构建体 38–1052； UniProt 10–1024 作者链 B； PDB构建体 38–1052； UniProt 10–1024 作者链 C； PDB构建体 38–1052； UniProt 10–1024 作者链 D； PDB构建体 38–1052； UniProt 10–1024 |
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。
| 条目编号 entry_id | 3t2p |
| 沉积日期 deposition_date | 2011-07-22 |
| 结构标题 title | E. coli (lacZ) beta-galactosidase (S796D) in complex with IPTG |
| 关键词 keywords | ;Dynamic Loop Conformation, Ser-796, TIM BARREL (ALPHA/BETA BARREL), JELLY-ROLL BARREL, IMMUNOGLOBULIN, BETA SUPERSANDWICH, GLYCOSIDASE, HYDROLASE ;; HYDROLASE |
| 实验方法 method | X-RAY DIFFRACTION |
页面只读取最新 assembly 计算结果。每一条曲线都对应明确的 PDB、official biological assembly 和 coordinate model。
Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)
| Rg（Guinier） | 51.80 Å |
| Rg（电子密度） | 51.45 Å |
| 总 Rg | 51.64 Å |
| 原子数 | 32959 |
| 残基数 | 4059 |
| 排除体积 | 579980 ų |
| 最大 q | 0.500 Å⁻¹ |
| 结构域编号 domain_id | d3t2pa1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.18 — Galactose-binding domain-like |
| 超家族 Superfamily superfamily | b.18.1 — Galactose-binding domain-like |
| 家族 Family family | b.18.1.0 — automated matches |
| 结构域编号 domain_id | d3t2pa2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pa3 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.0 — automated matches |
| 结构域编号 domain_id | d3t2pa4 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pa5 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.30 — Supersandwich |
| 超家族 Superfamily superfamily | b.30.5 — Galactose mutarotase-like |
| 家族 Family family | b.30.5.0 — automated matches |
| 结构域编号 domain_id | d3t2pb1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.18 — Galactose-binding domain-like |
| 超家族 Superfamily superfamily | b.18.1 — Galactose-binding domain-like |
| 家族 Family family | b.18.1.0 — automated matches |
| 结构域编号 domain_id | d3t2pb2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pb3 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.0 — automated matches |
| 结构域编号 domain_id | d3t2pb4 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pb5 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.30 — Supersandwich |
| 超家族 Superfamily superfamily | b.30.5 — Galactose mutarotase-like |
| 家族 Family family | b.30.5.0 — automated matches |
| 结构域编号 domain_id | d3t2pc1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.18 — Galactose-binding domain-like |
| 超家族 Superfamily superfamily | b.18.1 — Galactose-binding domain-like |
| 家族 Family family | b.18.1.0 — automated matches |
| 结构域编号 domain_id | d3t2pc2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pc3 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.0 — automated matches |
| 结构域编号 domain_id | d3t2pc4 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pc5 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.30 — Supersandwich |
| 超家族 Superfamily superfamily | b.30.5 — Galactose mutarotase-like |
| 家族 Family family | b.30.5.0 — automated matches |
| 结构域编号 domain_id | d3t2pd1 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.18 — Galactose-binding domain-like |
| 超家族 Superfamily superfamily | b.18.1 — Galactose-binding domain-like |
| 家族 Family family | b.18.1.0 — automated matches |
| 结构域编号 domain_id | d3t2pd2 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pd3 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.8 — (Trans)glycosidases |
| 家族 Family family | c.1.8.0 — automated matches |
| 结构域编号 domain_id | d3t2pd4 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.1 — Immunoglobulin-like beta-sandwich |
| 超家族 Superfamily superfamily | b.1.4 — beta-Galactosidase/glucuronidase domain |
| 家族 Family family | b.1.4.0 — automated matches |
| 结构域编号 domain_id | d3t2pd5 |
| 类 Class class | b — All beta proteins |
| 折叠类型 Fold fold | b.30 — Supersandwich |
| 超家族 Superfamily superfamily | b.30.5 — Galactose mutarotase-like |
| 家族 Family family | b.30.5.0 — automated matches |
| 结构域编号 domain_id | 3t2pA01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 120 — Jelly Rolls |
| 同源超家族 H-superfamily homologous superfamily | 260 — Galactose-binding domain-like |
| 结构域编号 domain_id | 3t2pA02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pA03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |
| 结构域编号 domain_id | 3t2pA04 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pA05 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 70 — Distorted Sandwich |
| 拓扑 Topology topology | 98 — Beta-galactosidase; Chain A, domain 5 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 3t2pB01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 120 — Jelly Rolls |
| 同源超家族 H-superfamily homologous superfamily | 260 — Galactose-binding domain-like |
| 结构域编号 domain_id | 3t2pB02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pB03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |
| 结构域编号 domain_id | 3t2pB04 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pB05 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 70 — Distorted Sandwich |
| 拓扑 Topology topology | 98 — Beta-galactosidase; Chain A, domain 5 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 3t2pC01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 120 — Jelly Rolls |
| 同源超家族 H-superfamily homologous superfamily | 260 — Galactose-binding domain-like |
| 结构域编号 domain_id | 3t2pC02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pC03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |
| 结构域编号 domain_id | 3t2pC04 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pC05 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 70 — Distorted Sandwich |
| 拓扑 Topology topology | 98 — Beta-galactosidase; Chain A, domain 5 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |
| 结构域编号 domain_id | 3t2pD01 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 120 — Jelly Rolls |
| 同源超家族 H-superfamily homologous superfamily | 260 — Galactose-binding domain-like |
| 结构域编号 domain_id | 3t2pD02 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pD03 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 80 — Glycosidases |
| 结构域编号 domain_id | 3t2pD04 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 60 — Sandwich |
| 拓扑 Topology topology | 40 — Immunoglobulin-like |
| 同源超家族 H-superfamily homologous superfamily | 10 — Immunoglobulins |
| 结构域编号 domain_id | 3t2pD05 |
| 类 Class class | 2 — Mainly Beta |
| 架构 Architecture architecture | 70 — Distorted Sandwich |
| 拓扑 Topology topology | 98 — Beta-galactosidase; Chain A, domain 5 |
| 同源超家族 H-superfamily homologous superfamily | 10 — |