1l9h

Crystal structure of bovine rhodopsin at 2.6 angstroms RESOLUTION

Method: X-RAY DIFFRACTION Dmax: 88.0 Å Quality: EXCELLENT

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

rhodopsin

物种未注明

UniProt P02699

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 其他组合 单体 蛋白 × 1 其他聚合物 2 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 A; UniProt 1–348 非标准单体:是(mmCIF未提供具体位点) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 BNG nonyl beta-D-glucopyranoside × 5 HG MERCURY (II) ION × 3 ZN ZINC ION × 4 HTO HEPTANE-1,2,3-TRIOL × 4 PLM PALMITIC ACID × 3 RET RETINAL × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6;278 K;ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K 分辨率 2.60 Å R-free 0.225
2 其他组合 单体 蛋白 × 1 其他聚合物 2 PDB 声明:monomeric(1) 与蛋白拷贝数一致 链 B; UniProt 1–348 非标准单体:是(mmCIF未提供具体位点) 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 BNG nonyl beta-D-glucopyranoside × 2 HG MERCURY (II) ION × 3 ZN ZINC ION × 3 PLM PALMITIC ACID × 2 RET RETINAL × 1 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6;278 K;ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K 分辨率 2.60 Å R-free 0.225
3 其他组合 同源多聚体 蛋白 × 2 其他聚合物 4 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 A; UniProt 1–348 链 B; UniProt 1–348 非标准单体:是(mmCIF未提供具体位点) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 BNG nonyl beta-D-glucopyranoside × 7 HG MERCURY (II) ION × 6 ZN ZINC ION × 7 HTO HEPTANE-1,2,3-TRIOL × 4 PLM PALMITIC ACID × 5 RET RETINAL × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6;278 K;ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K 分辨率 2.60 Å R-free 0.225
4 其他组合 同源多聚体 蛋白 × 2 其他聚合物 4 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 A; UniProt 1–348 链 B; UniProt 1–348 非标准单体:是(mmCIF未提供具体位点) alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 2 ;alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose ; × 1 BNG nonyl beta-D-glucopyranoside × 7 HG MERCURY (II) ION × 6 ZN ZINC ION × 7 HTO HEPTANE-1,2,3-TRIOL × 4 PLM PALMITIC ACID × 5 RET RETINAL × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;pH 6;278 K;ammonium sulfate, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 278K 分辨率 2.60 Å R-free 0.225

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 74 个其他 PDB 条目、92 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 OPSD_BOVIN
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 2–349; UniProt 1–348 作者链 B; PDB构建体 2–349; UniProt 1–348

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 1l9h

P(r) 距离分布 P(r) Distribution

P(r) distribution for 1l9h
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2. 结构基本信息 2. Structure Basics

条目编号 entry_id1l9h
沉积日期 deposition_date2002-03-23
结构标题 titleCrystal structure of bovine rhodopsin at 2.6 angstroms RESOLUTION
关键词 keywordsG PROTEIN-COUPLED RECEPTOR, MEMBRANE PROTEIN, RETINAL PROTEIN, PHOTORECEPTOR, SIGNALING PROTEIN; SIGNALING PROTEIN
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_guinier28.82
回转半径 Rg (电子) rg_electron27.20
零角强度 I(0) i087437800.00
分子量 molecular_weight80523.0 kDa
排除体积 excluded_volume103060 ų
包络体积 envelope_volume117740 ų
水化壳体积 shell_volume35177 ų
包络直径 envelope_diameter90.3
壳层 Rg shell_rg35.45
包络 Rg envelope_rg27.43
形状 Rg shape_rg27.22
总 Rg total_rg28.01
总原子数 total_atoms5558
残基数 n_residues641
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 dmax88.0
Rg (实空间) rg_real28.69
Rg 误差 (实空间) rg_real_error0.76
I(0) (实空间) i0_real8.7440e+07
I(0) 误差 (实空间) i0_real_error1.4120e+06
Rg (倒空间) rg_reciprocal28.75
I(0) (倒空间) i0_reciprocal87440000.0000
解质量估计 total_estimate0.9116
解质量评级 solution_quality EXCELLENT a EXCELLENT solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary43.2
偏度 Skewness skewness0.086
峰度 Kurtosis kurtosis-0.653
角度范围 angular_range— – 0.2750 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha19600000.0000
实空间数据点数 n_real_points56
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.953; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.992

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

6. 实体与聚合物信息 Entities & Polymers (11)

7. 折叠分类 (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

结构域编号 domain_idd1l9ha_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.13 — Class A G protein-coupled receptor (GPCR)-like
超家族 Superfamily superfamilyf.13.1 — Class A G protein-coupled receptor (GPCR)-like
家族 Family familyf.13.1.2 — Rhodopsin-like
结构域编号 domain_idd1l9hb_
类 Class classf — Membrane and cell surface proteins and peptides
折叠类型 Fold foldf.13 — Class A G protein-coupled receptor (GPCR)-like
超家族 Superfamily superfamilyf.13.1 — Class A G protein-coupled receptor (GPCR)-like
家族 Family familyf.13.1.2 — Rhodopsin-like

CATH v4.4 (2 domains)

结构域编号 domain_id1l9hA00
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1070 — Rhopdopsin 7-helix transmembrane proteins
同源超家族 H-superfamily homologous superfamily10 — Rhodopsin 7-helix transmembrane proteins
结构域编号 domain_id1l9hB00
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology1070 — Rhopdopsin 7-helix transmembrane proteins
同源超家族 H-superfamily homologous superfamily10 — Rhodopsin 7-helix transmembrane proteins

8. 引用文献 (1)

9. 文件与曲线 (10)