1sxg

Structural studies on the apo transcription factor form B. megaterium

Method: X-RAY DIFFRACTION
▼

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

Glucose-resistance amylase regulator

Bacillus megaterium

UniProt P46828

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 2 2-PHENYLAMINO-ETHANESULFONIC ACID × 1 water × 2 与蛋白数一致
2 蛋白同源多聚体 同源多聚体 蛋白 2 2-PHENYLAMINO-ETHANESULFONIC ACID × 1 water × 2 与蛋白数一致
3 蛋白同源多聚体 同源多聚体 蛋白 2 water × 2 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 CCPA_BACME
Isoform —
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–280; UniProt 53–332 作者链 B; PDB构建体 1–280; UniProt 53–332 作者链 D; PDB构建体 1–280; UniProt 53–332 作者链 F; PDB构建体 1–280; UniProt 53–332 作者链 I; PDB构建体 1–280; UniProt 53–332 作者链 P; PDB构建体 1–280; UniProt 53–332

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。

▼

2. 结构基本信息 2. Structure Basics

条目编号 entry_id1sxg
沉积日期 deposition_date2004-03-30
结构标题 titleStructural studies on the apo transcription factor form B. megaterium
关键词 keywordsallosterism; phosphoprotein; transcription regulation, transcription; TRANSCRIPTION
实验方法 methodX-RAY DIFFRACTION
▼

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。

1sxg__assembly_1__model_1

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

下载该曲线 .dat

1sxg__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 个绘图点;横轴和纵轴均采用对数尺度。

1sxg__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)25.27 Å
Rg(电子密度)24.27 Å
总 Rg25.09 Å
原子数4277
残基数548
排除体积76349 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 1sxg__assembly_1__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 1sxg__assembly_2__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
3 1 1sxg__assembly_3__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
▶

4. 晶体学与实验 4. Crystallography & Experiment

▶

5. 实体与聚合物信息 Entities & Polymers (3)

▼

6. 折叠分类 (SCOP + CATH) 18 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1sxga_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like
结构域编号 domain_idd1sxgb_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like
结构域编号 domain_idd1sxgd_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like
结构域编号 domain_idd1sxgf_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like
结构域编号 domain_idd1sxgi_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like
结构域编号 domain_idd1sxgp_
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.93 — Periplasmic binding protein-like I
超家族 Superfamily superfamilyc.93.1 — Periplasmic binding protein-like I
家族 Family familyc.93.1.1 — L-arabinose binding protein-like

CATH v4.4 (12 domains)

结构域编号 domain_id1sxgA01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgA02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgB01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgB02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgD01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgD02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgF01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgF02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgI01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgI02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgP01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
结构域编号 domain_id1sxgP02
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily2300 — Response regulator
▶

7. 引用文献 (1)