1k8g

Crystal Structure of the N-terminal domain of Oxytricha nova telomere end binding protein alpha subunit both uncomplexed and complexed with telomeric ssDNA

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

Telomere-Binding Protein alpha Subunit

Sterkiella nova

UniProt P29549

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–DNA 单体 蛋白 1 DNA 1 5'-D(TP*TP*GP*GP*GP*G)-3' × 1 SULFATE ION × 2 water × 2 与全部聚合物一致
2 蛋白–DNA 单体 蛋白 1 DNA 1 5'-D(TP*TP*GP*GP*GP*G)-3' × 1 SULFATE ION × 2 water × 2 与全部聚合物一致
3 蛋白单体 单体 蛋白 1 SULFATE ION × 2 water × 1 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 TEBA_OXYNO
Isoform —
PDB实体 2
链与序列区间 作者链 A; PDB构建体 1–320; UniProt 1–320 作者链 B; PDB构建体 1–320; UniProt 1–320 作者链 C; PDB构建体 1–320; UniProt 1–320

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_id1k8g
沉积日期 deposition_date2001-10-24
结构标题 titleCrystal Structure of the N-terminal domain of Oxytricha nova telomere end binding protein alpha subunit both uncomplexed and complexed with telomeric ssDNA
关键词 keywords;Protein-DNA Complex, telomeres, sequence specific ssDNA binding protein, OB folds, protein single strand DNA interactions, 3'-DNA end binding protein, telomere end binding protein, DNA BINDING PROTEIN-DNA COMPLEX ;; DNA BINDING PROTEIN/DNA
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。

1k8g__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

1k8g__assembly_3__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。

1k8g__assembly_3__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)20.26 Å
Rg(电子密度)18.95 Å
总 Rg19.98 Å
原子数2259
残基数278
排除体积40175 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 1k8g__assembly_1__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
2 1 1k8g__assembly_2__model_1 dimeric (2) 成功 4.1.3-1-20251215 (887e7ef) 查看 下载
3 1 1k8g__assembly_3__model_1 monomeric (1) 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 (4)

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6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (6 domains)

结构域编号 domain_idd1k8ga1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB
结构域编号 domain_idd1k8ga2
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB
结构域编号 domain_idd1k8gb1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB
结构域编号 domain_idd1k8gb2
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB
结构域编号 domain_idd1k8gc1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB
结构域编号 domain_idd1k8gc2
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.4 — Nucleic acid-binding proteins
家族 Family familyb.40.4.3 — Single strand DNA-binding domain, SSB

CATH v4.4 (6 domains)

结构域编号 domain_id1k8gA01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1k8gA02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1k8gB01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1k8gB02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1k8gC01
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id1k8gC02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
同源超家族 H-superfamily homologous superfamily140 — Nucleic acid-binding proteins
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7. 引用文献 (1)