1bxn
THE CRYSTAL STRUCTURE OF RUBISCO FROM ALCALIGENES EUTROPHUS TO 2.7 ANGSTROMS.
1. 蛋白身份与相关结构 Protein Identity & Related Structures
当前条目没有可用的 UniProt 蛋白身份。
七张关系表仍保留该条目的 assembly 与组成信息，但缺少统一蛋白身份时，不能可靠建立跨 PDB 的同蛋白链接。
当前条目的 assembly 组成
| Assembly | 聚集状态 | 实体与构建体证据 | 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 16 / DNA 0 / RNA 0 / 其他聚合物 0 PDB 声明：hexadecameric | 实体 1：PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE LARGE CHAIN) × 8 实体 2：PROTEIN (RIBULOSE BISPHOSPHATE CARBOXYLASE SMALL CHAIN) × 8 缺少 UniProt 身份时不显示参考序列区间 | 未记录 | PO4 PHOSPHATE ION × 16 | X-RAY DIFFRACTION X-ray结晶条件：pH 8.4；pH 8.40 | 分辨率 2.70 Å R-free 0.322 |
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
P(r) 距离分布 P(r) Distribution
2. 结构基本信息 2. Structure Basics
| 条目编号 entry_id | 1bxn |
| 沉积日期 deposition_date | 1998-10-06 |
| 结构标题 title | THE CRYSTAL STRUCTURE OF RUBISCO FROM ALCALIGENES EUTROPHUS TO 2.7 ANGSTROMS. |
| 关键词 keywords | LYASE (CARBON-CARBON), LYASE; LYASE |
| 实验方法 method | X-RAY DIFFRACTION |
3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 42.54 Å |
| 回转半径 Rg (电子) rg_electron | 42.15 Å |
| 零角强度 I(0) i0 | 998461000.00 |
| 分子量 molecular_weight | 257810.0 kDa |
| 排除体积 excluded_volume | 320850 ų |
| 包络体积 envelope_volume | 418220 ų |
| 水化壳体积 shell_volume | 78229 ų |
| 包络直径 envelope_diameter | 133.1 Å |
| 壳层 Rg shell_rg | 50.39 Å |
| 包络 Rg envelope_rg | 42.44 Å |
| 形状 Rg shape_rg | 42.18 Å |
| 总 Rg total_rg | 42.40 Å |
| 总原子数 total_atoms | 18144 |
| 残基数 n_residues | 2296 |
| 球谐函数阶数 n_harmonics | 20 |
| q 范围 q_range | — – 0.5000 Å−1 |
| 数据点数 n_points | 101 |
| 壳层类型 shell_type | directional |
| 溶剂电子密度 solvent_density | 0.3340 e/ų |
| 壳层衬度 contrast_shell | 0.0300 e/ų |
| CRYSOL 版本 crysol_version | 4.1.3 |
4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 131.9 Å |
| Rg (实空间) rg_real | 42.34 Å |
| Rg 误差 (实空间) rg_real_error | 0.90 Å |
| I(0) (实空间) i0_real | 9.9850e+08 |
| I(0) 误差 (实空间) i0_real_error | 1.6940e+07 |
| Rg (倒空间) rg_reciprocal | 42.53 Å |
| I(0) (倒空间) i0_reciprocal | 998700000.0000 |
| 解质量估计 total_estimate | 0.8906 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 1 |
| 主峰位置 r_peak_primary | 57.0 Å |
| 偏度 Skewness skewness | 0.120 |
| 峰度 Kurtosis kurtosis | -0.539 |
| 角度范围 angular_range | — – 0.1850 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 265800000.0000 |
| 实空间数据点数 n_real_points | 38 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.938; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.982; Smooth: 0.778 |
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) 24 domains
SCOP 2.08 (12 domains)
| 结构域编号 domain_id | d1bxna1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.14 — RuBisCo, C-terminal domain |
| 家族 Family family | c.1.14.1 — RuBisCo, large subunit, C-terminal domain |
| 结构域编号 domain_id | d1bxna2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.58 — Ferredoxin-like |
| 超家族 Superfamily superfamily | d.58.9 — RuBisCO, large subunit, small (N-terminal) domain |
| 家族 Family family | d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase |
| 结构域编号 domain_id | d1bxnc1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.14 — RuBisCo, C-terminal domain |
| 家族 Family family | c.1.14.1 — RuBisCo, large subunit, C-terminal domain |
| 结构域编号 domain_id | d1bxnc2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.58 — Ferredoxin-like |
| 超家族 Superfamily superfamily | d.58.9 — RuBisCO, large subunit, small (N-terminal) domain |
| 家族 Family family | d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase |
| 结构域编号 domain_id | d1bxne1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.14 — RuBisCo, C-terminal domain |
| 家族 Family family | c.1.14.1 — RuBisCo, large subunit, C-terminal domain |
| 结构域编号 domain_id | d1bxne2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.58 — Ferredoxin-like |
| 超家族 Superfamily superfamily | d.58.9 — RuBisCO, large subunit, small (N-terminal) domain |
| 家族 Family family | d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase |
| 结构域编号 domain_id | d1bxng1 |
| 类 Class class | c — Alpha and beta proteins (a/b) |
| 折叠类型 Fold fold | c.1 — TIM beta/alpha-barrel |
| 超家族 Superfamily superfamily | c.1.14 — RuBisCo, C-terminal domain |
| 家族 Family family | c.1.14.1 — RuBisCo, large subunit, C-terminal domain |
| 结构域编号 domain_id | d1bxng2 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.58 — Ferredoxin-like |
| 超家族 Superfamily superfamily | d.58.9 — RuBisCO, large subunit, small (N-terminal) domain |
| 家族 Family family | d.58.9.1 — Ribulose 1,5-bisphosphate carboxylase-oxygenase |
| 结构域编号 domain_id | d1bxni_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.73 — RuBisCO, small subunit |
| 超家族 Superfamily superfamily | d.73.1 — RuBisCO, small subunit |
| 家族 Family family | d.73.1.1 — RuBisCO, small subunit |
| 结构域编号 domain_id | d1bxnj_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.73 — RuBisCO, small subunit |
| 超家族 Superfamily superfamily | d.73.1 — RuBisCO, small subunit |
| 家族 Family family | d.73.1.1 — RuBisCO, small subunit |
| 结构域编号 domain_id | d1bxnk_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.73 — RuBisCO, small subunit |
| 超家族 Superfamily superfamily | d.73.1 — RuBisCO, small subunit |
| 家族 Family family | d.73.1.1 — RuBisCO, small subunit |
| 结构域编号 domain_id | d1bxnl_ |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.73 — RuBisCO, small subunit |
| 超家族 Superfamily superfamily | d.73.1 — RuBisCO, small subunit |
| 家族 Family family | d.73.1.1 — RuBisCO, small subunit |
CATH v4.4 (12 domains)
| 结构域编号 domain_id | 1bxnA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 70 — Alpha-Beta Plaits |
| 同源超家族 H-superfamily homologous superfamily | 150 — RuBisCO large subunit, N-terminal domain |
| 结构域编号 domain_id | 1bxnA02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain |
| 结构域编号 domain_id | 1bxnC01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 70 — Alpha-Beta Plaits |
| 同源超家族 H-superfamily homologous superfamily | 150 — RuBisCO large subunit, N-terminal domain |
| 结构域编号 domain_id | 1bxnC02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain |
| 结构域编号 domain_id | 1bxnE01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 70 — Alpha-Beta Plaits |
| 同源超家族 H-superfamily homologous superfamily | 150 — RuBisCO large subunit, N-terminal domain |
| 结构域编号 domain_id | 1bxnE02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain |
| 结构域编号 domain_id | 1bxnG01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 70 — Alpha-Beta Plaits |
| 同源超家族 H-superfamily homologous superfamily | 150 — RuBisCO large subunit, N-terminal domain |
| 结构域编号 domain_id | 1bxnG02 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 20 — Alpha-Beta Barrel |
| 拓扑 Topology topology | 20 — TIM Barrel |
| 同源超家族 H-superfamily homologous superfamily | 110 — Ribulose bisphosphate carboxylase, large subunit, C-terminal domain |
| 结构域编号 domain_id | 1bxnI00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribulose bisphosphate carboxylase, small subunit |
| 结构域编号 domain_id | 1bxnJ00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribulose bisphosphate carboxylase, small subunit |
| 结构域编号 domain_id | 1bxnK00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribulose bisphosphate carboxylase, small subunit |
| 结构域编号 domain_id | 1bxnL00 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 190 — Ribulose 1,5 Bisphosphate Carboxylase/Oxygenase |
| 同源超家族 H-superfamily homologous superfamily | 10 — Ribulose bisphosphate carboxylase, small subunit |