3k0f

Crystal structure of the phosphorylation-site double mutant T426A/T432A of the KaiC circadian clock protein

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

Circadian clock protein kinase KaiC

Synechococcus elongatus PCC 7942

UniProt Q79PF4

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 6 MAGNESIUM ION × 9 ADENOSINE-5'-TRIPHOSPHATE × 12 water × 6 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 KAIC_SYNE7
Isoform —
PDB实体 1, 2
链与序列区间 作者链 A; PDB构建体 1–519; UniProt 1–519 作者链 B; PDB构建体 1–519; UniProt 1–519 作者链 C; PDB构建体 1–519; UniProt 1–519 作者链 D; PDB构建体 1–519; UniProt 1–519 作者链 E; PDB构建体 1–519; UniProt 1–519 作者链 F; PDB构建体 1–519; UniProt 1–519

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_id3k0f
沉积日期 deposition_date2009-09-24
结构标题 titleCrystal structure of the phosphorylation-site double mutant T426A/T432A of the KaiC circadian clock protein
关键词 keywords;kaic, circadian clock protein, kinase, hexamer, ATP-binding, Biological rhythms, DNA-binding, Magnesium, Metal-binding, Nucleotide-binding, Phosphoprotein, Repressor, Serine/threonine-protein kinase, Transcription, Transcription regulation, Transferase ;; CIRCADIAN CLOCK PROTEIN, TRANSFERASE
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。

3k0f__assembly_1__model_1

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

下载该曲线 .dat

3k0f__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。

3k0f__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)42.77 Å
Rg(电子密度)42.01 Å
总 Rg42.40 Å
原子数23763
残基数2963
排除体积420440 ų
最大 q0.500 Å⁻¹
Assembly Model 结构单元 聚集说明 状态 CRYSOL 操作
1 1 3k0f__assembly_1__model_1 hexameric (6) 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 (5)

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6. 折叠分类 (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

结构域编号 domain_id3k0fA01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fA02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fB01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fB02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fC01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fC02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fD01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fD02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fE01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fE02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fF01
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id3k0fF02
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 superfamily300 — P-loop containing nucleotide triphosphate hydrolases
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7. 引用文献 (1)