1c0w

CRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN REPRESSOR-DNA COMPLEX REVEALS A METAL BINDING SH-LIKE DOMAIN

Method: X-RAY DIFFRACTION Dmax: 115.2 Å Quality: GOOD

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

DIPHTHERIA TOXIN REPRESSOR

Corynebacterium diphtheriae

UniProt P33120

当前结构中的状态

Assembly 聚集状态 构建体 突变与修饰 配体、离子与共同组分 实验方法与环境 结构质量
1 蛋白–DNA 同源多聚体 蛋白 × 4 DNA 2 PDB 声明:hexameric(6) 与全部聚合物数一致 链 A; UniProt 2–226 链 B; UniProt 2–226 链 C; UniProt 2–226 链 D; UniProt 2–226 未记录 ;DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*CP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3') ; × 1 ;DNA (5'-D(P*AP*TP*TP*AP*GP*GP*TP*TP*AP*GP*GP*CP*TP*AP*CP*CP*CP*TP*AP*AP*T)-3') ; × 1 CO COBALT (II) ION × 8 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;VAPOR DIFFUSION, HANGING DROP 分辨率 3.20 Å R-free 0.279

数据库中的同蛋白其他状态

以下每一行都是同一 UniProt 蛋白在另一个 PDB 条目中的 biological assembly, “相对当前条目”直接指出证据层面的不同;没有差异标签表示当前已读取字段一致。

共 23 个其他 PDB 条目、24 个 assembly。 打开独立比较页并筛选聚集状态

查看构建体与数据证据
UniProt名称 DTXR_CORDI
Isoform
PDB实体 3
链与序列区间 作者链 A; PDB构建体 1–225; UniProt 2–226 作者链 B; PDB构建体 1–225; UniProt 2–226 作者链 C; PDB构建体 1–225; UniProt 2–226 作者链 D; PDB构建体 1–225; UniProt 2–226

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。

SAXS 散射曲线 SAXS Profile

SAXS profile for 1c0w

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1c0w
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id1c0w
沉积日期 deposition_date1999-07-22
结构标题 titleCRYSTAL STRUCTURE OF THE COBALT-ACTIVATED DIPHTHERIA TOXIN REPRESSOR-DNA COMPLEX REVEALS A METAL BINDING SH-LIKE DOMAIN
关键词 keywordsTOXIN REPRESSOR-DNA COMPLEX, METAL BINDING SH-LIKE DOMAIN, GENE REGULATION-DNA COMPLEX; GENE REGULATION/DNA
实验方法 methodX-RAY DIFFRACTION

3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier33.59
回转半径 Rg (电子) rg_electron34.29
零角强度 I(0) i0171514000.00
分子量 molecular_weight94769.0 kDa
排除体积 excluded_volume114210 ų
包络体积 envelope_volume149540 ų
水化壳体积 shell_volume37131 ų
包络直径 envelope_diameter122.9
壳层 Rg shell_rg39.98
包络 Rg envelope_rg33.84
形状 Rg shape_rg34.37
总 Rg total_rg34.42
总原子数 total_atoms6575
残基数 n_residues784
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 −1
数据点数 n_points101
壳层类型 shell_typedirectional
溶剂电子密度 solvent_density0.3340 e/ų
壳层衬度 contrast_shell0.0300 e/ų
CRYSOL 版本 crysol_version4.1.3

4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax115.2
Rg (实空间) rg_real33.70
Rg 误差 (实空间) rg_real_error1.01
I(0) (实空间) i0_real1.7150e+08
I(0) 误差 (实空间) i0_real_error2.8440e+06
Rg (倒空间) rg_reciprocal33.63
I(0) (倒空间) i0_reciprocal171500000.0000
解质量估计 total_estimate0.8715
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary36.8
偏度 Skewness skewness0.437
峰度 Kurtosis kurtosis-0.262
角度范围 angular_range— – 0.2350 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha12720000.0000
实空间数据点数 n_real_points48
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.842; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.888; Smooth: 0.912

5. 晶体学与实验 5. Crystallography & Experiment

6. 实体与聚合物信息 Entities & Polymers (4)

7. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_idd1c0wa1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.24 — Iron-dependent repressor protein
结构域编号 domain_idd1c0wa2
类 Class classa — All alpha proteins
折叠类型 Fold folda.76 — Iron-dependent repressor protein, dimerization domain
超家族 Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
家族 Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
结构域编号 domain_idd1c0wa3
类 Class classb — All beta proteins
折叠类型 Fold foldb.34 — SH3-like barrel
超家族 Superfamily superfamilyb.34.1 — C-terminal domain of transcriptional repressors
家族 Family familyb.34.1.2 — FeoA-like
结构域编号 domain_idd1c0wb1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.24 — Iron-dependent repressor protein
结构域编号 domain_idd1c0wb2
类 Class classa — All alpha proteins
折叠类型 Fold folda.76 — Iron-dependent repressor protein, dimerization domain
超家族 Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
家族 Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
结构域编号 domain_idd1c0wb3
类 Class classb — All beta proteins
折叠类型 Fold foldb.34 — SH3-like barrel
超家族 Superfamily superfamilyb.34.1 — C-terminal domain of transcriptional repressors
家族 Family familyb.34.1.2 — FeoA-like
结构域编号 domain_idd1c0wc1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.24 — Iron-dependent repressor protein
结构域编号 domain_idd1c0wc2
类 Class classa — All alpha proteins
折叠类型 Fold folda.76 — Iron-dependent repressor protein, dimerization domain
超家族 Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
家族 Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
结构域编号 domain_idd1c0wc3
类 Class classb — All beta proteins
折叠类型 Fold foldb.34 — SH3-like barrel
超家族 Superfamily superfamilyb.34.1 — C-terminal domain of transcriptional repressors
家族 Family familyb.34.1.2 — FeoA-like
结构域编号 domain_idd1c0wd1
类 Class classa — All alpha proteins
折叠类型 Fold folda.4 — DNA/RNA-binding 3-helical bundle
超家族 Superfamily superfamilya.4.5 — 'Winged helix' DNA-binding domain
家族 Family familya.4.5.24 — Iron-dependent repressor protein
结构域编号 domain_idd1c0wd2
类 Class classa — All alpha proteins
折叠类型 Fold folda.76 — Iron-dependent repressor protein, dimerization domain
超家族 Superfamily superfamilya.76.1 — Iron-dependent repressor protein, dimerization domain
家族 Family familya.76.1.1 — Iron-dependent repressor protein, dimerization domain
结构域编号 domain_idd1c0wd3
类 Class classb — All beta proteins
折叠类型 Fold foldb.34 — SH3-like barrel
超家族 Superfamily superfamilyb.34.1 — C-terminal domain of transcriptional repressors
家族 Family familyb.34.1.2 — FeoA-like

CATH v4.4 (12 domains)

结构域编号 domain_id1c0wA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id1c0wA02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology60 — Diphtheria Toxin Repressor; domain 2
同源超家族 H-superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
结构域编号 domain_id1c0wA03
类 Class class6 — Special
架构 Architecture architecture10 — Helix non-globular
拓扑 Topology topology140 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily1920
结构域编号 domain_id1c0wB01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id1c0wB02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology60 — Diphtheria Toxin Repressor; domain 2
同源超家族 H-superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
结构域编号 domain_id1c0wB03
类 Class class2 — Mainly Beta
架构 Architecture architecture30 — Roll
拓扑 Topology topology30 — SH3 type barrels.
同源超家族 H-superfamily homologous superfamily90 — Ferrous iron transport protein A (FeoA)
结构域编号 domain_id1c0wC01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id1c0wC02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology60 — Diphtheria Toxin Repressor; domain 2
同源超家族 H-superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
结构域编号 domain_id1c0wC03
类 Class class6 — Special
架构 Architecture architecture10 — Helix non-globular
拓扑 Topology topology140 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily1920
结构域编号 domain_id1c0wD01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology10 — Arc Repressor Mutant, subunit A
同源超家族 H-superfamily homologous superfamily10 — Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain
结构域编号 domain_id1c0wD02
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology60 — Diphtheria Toxin Repressor; domain 2
同源超家族 H-superfamily homologous superfamily10 — Iron dependent repressor, metal binding and dimerisation domain
结构域编号 domain_id1c0wD03
类 Class class6 — Special
架构 Architecture architecture10 — Helix non-globular
拓扑 Topology topology140 — Helix Hairpins
同源超家族 H-superfamily homologous superfamily1920

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9. 文件与曲线 (10)