3vdb

E. coli (lacZ) beta-galactosidase (N460T) in complex with galactonolactone

Method: X-RAY DIFFRACTION
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

Beta-galactosidase

Escherichia coli

UniProt P00722

当前结构中的状态

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 D-galactonolactone × 4 MAGNESIUM ION × 9 SODIUM ION × 14 DIMETHYL SULFOXIDE × 77 water × 4 与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据
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。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id3vdb
沉积日期 deposition_date2012-01-04
结构标题 titleE. coli (lacZ) beta-galactosidase (N460T) in complex with galactonolactone
关键词 keywords;transition state stabilization, substrate binding, 2-stage binding, TIM barrel (alpha/beta barrel), jelly-roll barrel, immunoglobulin, beta supersandwich, glycosidase, HYDROLASE ;; HYDROLASE
实验方法 methodX-RAY DIFFRACTION
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3. Official assembly/model 理论 SAXS Official SAXS Profiles

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。

3vdb__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

3vdb__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

3vdb__assembly_1__model_1 | P(r) · Pending

新版 assembly/model P(r) 尚未计算 此处仅保留位置,不展示旧数据 r (Angstrom) P(r)
P(r) 将按相同 assembly/model 分别计算和展示。
Rg(Guinier)52.01 Å
Rg(电子密度)51.66 Å
总 Rg51.85 Å
原子数33003
残基数4060
排除体积581160 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3vdb__assembly_1__model_1 tetrameric (4) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
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4. 晶体学与实验 4. Crystallography & Experiment

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5. 实体与聚合物信息 Entities & Polymers (6)

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6. 折叠分类 (SCOP + CATH) 40 domains

SCOP 2.08 (20 domains)

结构域编号 domain_idd3vdba1
类 Class classb — All beta proteins
折叠类型 Fold foldb.18 — Galactose-binding domain-like
超家族 Superfamily superfamilyb.18.1 — Galactose-binding domain-like
家族 Family familyb.18.1.5 — beta-Galactosidase/glucuronidase, N-terminal domain
结构域编号 domain_idd3vdba2
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdba3
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.1.8.3 — beta-glycanases
结构域编号 domain_idd3vdba4
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdba5
类 Class classb — All beta proteins
折叠类型 Fold foldb.30 — Supersandwich
超家族 Superfamily superfamilyb.30.5 — Galactose mutarotase-like
家族 Family familyb.30.5.1 — beta-Galactosidase, domain 5
结构域编号 domain_idd3vdbb1
类 Class classb — All beta proteins
折叠类型 Fold foldb.18 — Galactose-binding domain-like
超家族 Superfamily superfamilyb.18.1 — Galactose-binding domain-like
家族 Family familyb.18.1.5 — beta-Galactosidase/glucuronidase, N-terminal domain
结构域编号 domain_idd3vdbb2
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbb3
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.1.8.3 — beta-glycanases
结构域编号 domain_idd3vdbb4
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbb5
类 Class classb — All beta proteins
折叠类型 Fold foldb.30 — Supersandwich
超家族 Superfamily superfamilyb.30.5 — Galactose mutarotase-like
家族 Family familyb.30.5.1 — beta-Galactosidase, domain 5
结构域编号 domain_idd3vdbc1
类 Class classb — All beta proteins
折叠类型 Fold foldb.18 — Galactose-binding domain-like
超家族 Superfamily superfamilyb.18.1 — Galactose-binding domain-like
家族 Family familyb.18.1.5 — beta-Galactosidase/glucuronidase, N-terminal domain
结构域编号 domain_idd3vdbc2
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbc3
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.1.8.3 — beta-glycanases
结构域编号 domain_idd3vdbc4
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbc5
类 Class classb — All beta proteins
折叠类型 Fold foldb.30 — Supersandwich
超家族 Superfamily superfamilyb.30.5 — Galactose mutarotase-like
家族 Family familyb.30.5.1 — beta-Galactosidase, domain 5
结构域编号 domain_idd3vdbd1
类 Class classb — All beta proteins
折叠类型 Fold foldb.18 — Galactose-binding domain-like
超家族 Superfamily superfamilyb.18.1 — Galactose-binding domain-like
家族 Family familyb.18.1.5 — beta-Galactosidase/glucuronidase, N-terminal domain
结构域编号 domain_idd3vdbd2
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbd3
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.1.8.3 — beta-glycanases
结构域编号 domain_idd3vdbd4
类 Class classb — All beta proteins
折叠类型 Fold foldb.1 — Immunoglobulin-like beta-sandwich
超家族 Superfamily superfamilyb.1.4 — beta-Galactosidase/glucuronidase domain
家族 Family familyb.1.4.1 — beta-Galactosidase/glucuronidase domain
结构域编号 domain_idd3vdbd5
类 Class classb — All beta proteins
折叠类型 Fold foldb.30 — Supersandwich
超家族 Superfamily superfamilyb.30.5 — Galactose mutarotase-like
家族 Family familyb.30.5.1 — beta-Galactosidase, domain 5

CATH v4.4 (20 domains)

结构域编号 domain_id3vdbA01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily260 — Galactose-binding domain-like
结构域编号 domain_id3vdbA02
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbA03
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_id3vdbA04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbA05
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology98 — Beta-galactosidase; Chain A, domain 5
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id3vdbB01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily260 — Galactose-binding domain-like
结构域编号 domain_id3vdbB02
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbB03
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_id3vdbB04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbB05
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology98 — Beta-galactosidase; Chain A, domain 5
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id3vdbC01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily260 — Galactose-binding domain-like
结构域编号 domain_id3vdbC02
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbC03
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_id3vdbC04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbC05
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology98 — Beta-galactosidase; Chain A, domain 5
同源超家族 H-superfamily homologous superfamily10 —
结构域编号 domain_id3vdbD01
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology120 — Jelly Rolls
同源超家族 H-superfamily homologous superfamily260 — Galactose-binding domain-like
结构域编号 domain_id3vdbD02
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbD03
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_id3vdbD04
类 Class class2 — Mainly Beta
架构 Architecture architecture60 — Sandwich
拓扑 Topology topology40 — Immunoglobulin-like
同源超家族 H-superfamily homologous superfamily10 — Immunoglobulins
结构域编号 domain_id3vdbD05
类 Class class2 — Mainly Beta
架构 Architecture architecture70 — Distorted Sandwich
拓扑 Topology topology98 — Beta-galactosidase; Chain A, domain 5
同源超家族 H-superfamily homologous superfamily10 —
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7. 引用文献 (1)