3dm1

Crystal structure of the complex of human chromobox homolog 3 (CBX3) with peptide

Method: X-RAY DIFFRACTION Dmax: 65.0 Å Quality: GOOD

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

Chromobox protein homolog 3

Homo sapiens

UniProt Q13185

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 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 A; UniProt 29–86 片段:Chromo 1 domain: Residues 29-86 Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 × 1 (Q96KQ7) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
2 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 C; UniProt 29–86 片段:Chromo 1 domain: Residues 29-86 Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 × 1 (Q96KQ7) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
3 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 E; UniProt 29–86 片段:Chromo 1 domain: Residues 29-86 Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 × 1 (Q96KQ7) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
4 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 G; UniProt 29–86 片段:Chromo 1 domain: Residues 29-86 Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 × 1 (Q96KQ7) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
5 蛋白异源复合物 异源复合物 蛋白 × 8 PDB 声明:octameric(8) 与蛋白拷贝数一致 链 A; UniProt 29–86 链 C; UniProt 29–86 链 E; UniProt 29–86 链 G; UniProt 29–86 片段:Chromo 1 domain: Residues 29-86 Histone-lysine N-methyltransferase, H3 lysine-9 specific 3 × 4 (Q96KQ7) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267

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 6 个其他 PDB 条目、7 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 CBX3_HUMAN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–58; UniProt 29–86 作者链 C; PDB构建体 1–58; UniProt 29–86 作者链 E; PDB构建体 1–58; UniProt 29–86 作者链 G; PDB构建体 1–58; UniProt 29–86

Histone-lysine N-methyltransferase, H3 lysine-9 specific 3

物种未注明

UniProt Q96KQ7

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 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 B; UniProt 179–190 片段:UNP residues 179-190 非标准单体:是(mmCIF未提供具体位点) Chromobox protein homolog 3 × 1 (Q13185) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
2 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 D; UniProt 179–190 片段:UNP residues 179-190 非标准单体:是(mmCIF未提供具体位点) Chromobox protein homolog 3 × 1 (Q13185) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
3 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 F; UniProt 179–190 片段:UNP residues 179-190 非标准单体:是(mmCIF未提供具体位点) Chromobox protein homolog 3 × 1 (Q13185) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
4 蛋白异源复合物 异源复合物 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 H; UniProt 179–190 片段:UNP residues 179-190 非标准单体:是(mmCIF未提供具体位点) Chromobox protein homolog 3 × 1 (Q13185) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267
5 蛋白异源复合物 异源复合物 蛋白 × 8 PDB 声明:octameric(8) 与蛋白拷贝数一致 链 B; UniProt 179–190 链 D; UniProt 179–190 链 F; UniProt 179–190 链 H; UniProt 179–190 片段:UNP residues 179-190 非标准单体:是(mmCIF未提供具体位点) Chromobox protein homolog 3 × 4 (Q13185) X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;1.5 microliter of the protein solution mixed with with 1.5 microliter of the reservoir solution containing 40% PEG 550 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.40 Å R-free 0.267

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 34 个其他 PDB 条目、51 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 EHMT2_HUMAN
Isoform
PDB实体 2
链与序列区间 作者链 B; PDB构建体 1–12; UniProt 179–190 作者链 D; PDB构建体 1–12; UniProt 179–190 作者链 F; PDB构建体 1–12; UniProt 179–190 作者链 H; PDB构建体 1–12; UniProt 179–190

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 3dm1

P(r) 距离分布 P(r) Distribution

P(r) distribution for 3dm1
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id3dm1
沉积日期 deposition_date2008-06-30
结构标题 titleCrystal structure of the complex of human chromobox homolog 3 (CBX3) with peptide
关键词 keywords;Chromobox homolog 3, Structural Genomics, Structural Genomics Consortium, SGC, Chromatin regulator, Nucleus, Phosphoprotein, Repressor, Transcription, Transcription regulation ;; TRANSCRIPTION
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_guinier20.34
回转半径 Rg (电子) rg_electron19.51
零角强度 I(0) i013941000.00
分子量 molecular_weight28410.0 kDa
排除体积 excluded_volume35708 ų
包络体积 envelope_volume42994 ų
水化壳体积 shell_volume18767 ų
包络直径 envelope_diameter64.3
壳层 Rg shell_rg25.34
包络 Rg envelope_rg19.59
形状 Rg shape_rg19.51
总 Rg total_rg20.37
总原子数 total_atoms2010
残基数 n_residues240
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 dmax65.0
Rg (实空间) rg_real20.24
Rg 误差 (实空间) rg_real_error0.34
I(0) (实空间) i0_real1.3940e+07
I(0) 误差 (实空间) i0_real_error1.6910e+05
Rg (倒空间) rg_reciprocal20.26
I(0) (倒空间) i0_reciprocal13940000.0000
解质量估计 total_estimate0.8984
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary27.9
偏度 Skewness skewness0.137
峰度 Kurtosis kurtosis-0.471
角度范围 angular_range— – 0.3900 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha3771000.0000
实空间数据点数 n_real_points71
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.896; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.987

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

6. 实体与聚合物信息 Entities & Polymers (3)

7. 折叠分类 (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

结构域编号 domain_id3dm1A00
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 superfamily40
结构域编号 domain_id3dm1C00
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 superfamily40
结构域编号 domain_id3dm1E00
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 superfamily40
结构域编号 domain_id3dm1G00
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 superfamily40

8. 引用文献 (1)

9. 文件与曲线 (10)