2bbj
Crystal structure of the CorA Mg2+ transporter
SAXS 散射曲线 SAXS Profile
P(r) 距离分布 P(r) Distribution
1. 结构基本信息 1. Structure Basics
| 条目编号 entry_id | 2bbj |
| 沉积日期 deposition_date | 2005-10-17 |
| 结构标题 title | Crystal structure of the CorA Mg2+ transporter |
| 关键词 keywords | ;transporter, membrane, mg, pentamer, Structural Genomics, Structural Genomics Consortium, SGC, Metal Transport-Membrane Protein COMPLEX ;; Metal Transport/Membrane Protein |
| 实验方法 method | X-RAY DIFFRACTION |
2. SAXS 参数 (CRYSOL 理论计算) 2. SAXS Parameters (CRYSOL)
| 回转半径 Rg (Guinier) rg_guinier | 40.43 Å |
| 回转半径 Rg (电子) rg_electron | 40.30 Å |
| 零角强度 I(0) i0 | 497303000.00 |
| 分子量 molecular_weight | 195410.0 kDa |
| 排除体积 excluded_volume | 249980 ų |
| 包络体积 envelope_volume | 335740 ų |
| 水化壳体积 shell_volume | 68810 ų |
| 包络直径 envelope_diameter | 130.0 Å |
| 壳层 Rg shell_rg | 46.49 Å |
| 包络 Rg envelope_rg | 40.09 Å |
| 形状 Rg shape_rg | 40.30 Å |
| 总 Rg total_rg | 40.64 Å |
| 总原子数 total_atoms | 13805 |
| 残基数 n_residues | 1670 |
| 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 |
3. P(r) 距离分布 (GNOM 反演) 3. P(r) Analysis (GNOM)
| 最大尺寸 Dmax dmax | 130.4 Å |
| Rg (实空间) rg_real | 40.29 Å |
| Rg 误差 (实空间) rg_real_error | 1.04 Å |
| I(0) (实空间) i0_real | 4.9730e+08 |
| I(0) 误差 (实空间) i0_real_error | 7.7310e+06 |
| Rg (倒空间) rg_reciprocal | 40.43 Å |
| I(0) (倒空间) i0_reciprocal | 497400000.0000 |
| 解质量估计 total_estimate | 0.8960 |
| 解质量评级 solution_quality | GOOD a GOOD solution |
| P(r) 峰数 n_peaks | 2 |
| 主峰位置 r_peak_primary | 53.5 Å |
| 偏度 Skewness skewness | 0.175 |
| 峰度 Kurtosis kurtosis | -0.497 |
| 角度范围 angular_range | — – 0.1950 Å−1 |
| 当前正则化参数 α current_alpha | 0.0000 |
| 最高正则化参数 α highest_alpha | 269900000.0000 |
| 实空间数据点数 n_real_points | 40 |
| GNOM 版本 gnom_version | 4.1.3 |
| 质量判据 quality_criteria | AN1: 0.000; Oscil: 0.903; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 1.000; Smooth: 0.937 |
4. 晶体学与实验 4. Crystallography & Experiment
5. 实体与聚合体信息 (1)
6. 折叠分类 (SCOP + CATH) 25 domains
SCOP 2.08 (10 domains)
| 结构域编号 domain_id | d2bbja1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.328 — CorA soluble domain-like |
| 超家族 Superfamily superfamily | d.328.1 — CorA soluble domain-like |
| 家族 Family family | d.328.1.1 — CorA soluble domain-like |
| 结构域编号 domain_id | d2bbja2 |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.3 — Magnesium transport protein CorA, transmembrane region |
| 家族 Family family | f.17.3.1 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | d2bbjb1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.328 — CorA soluble domain-like |
| 超家族 Superfamily superfamily | d.328.1 — CorA soluble domain-like |
| 家族 Family family | d.328.1.1 — CorA soluble domain-like |
| 结构域编号 domain_id | d2bbjb2 |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.3 — Magnesium transport protein CorA, transmembrane region |
| 家族 Family family | f.17.3.1 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | d2bbjd1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.328 — CorA soluble domain-like |
| 超家族 Superfamily superfamily | d.328.1 — CorA soluble domain-like |
| 家族 Family family | d.328.1.1 — CorA soluble domain-like |
| 结构域编号 domain_id | d2bbjd2 |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.3 — Magnesium transport protein CorA, transmembrane region |
| 家族 Family family | f.17.3.1 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | d2bbje1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.328 — CorA soluble domain-like |
| 超家族 Superfamily superfamily | d.328.1 — CorA soluble domain-like |
| 家族 Family family | d.328.1.1 — CorA soluble domain-like |
| 结构域编号 domain_id | d2bbje2 |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.3 — Magnesium transport protein CorA, transmembrane region |
| 家族 Family family | f.17.3.1 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | d2bbjf1 |
| 类 Class class | d — Alpha and beta proteins (a+b) |
| 折叠类型 Fold fold | d.328 — CorA soluble domain-like |
| 超家族 Superfamily superfamily | d.328.1 — CorA soluble domain-like |
| 家族 Family family | d.328.1.1 — CorA soluble domain-like |
| 结构域编号 domain_id | d2bbjf2 |
| 类 Class class | f — Membrane and cell surface proteins and peptides |
| 折叠类型 Fold fold | f.17 — Transmembrane helix hairpin |
| 超家族 Superfamily superfamily | f.17.3 — Magnesium transport protein CorA, transmembrane region |
| 家族 Family family | f.17.3.1 — Magnesium transport protein CorA, transmembrane region |
CATH v4.4 (15 domains)
| 结构域编号 domain_id | 2bbjA01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 460 — Beta Polymerase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 20 — CorA soluble domain-like |
| 结构域编号 domain_id | 2bbjA02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjA03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjB01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 460 — Beta Polymerase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 20 — CorA soluble domain-like |
| 结构域编号 domain_id | 2bbjB02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjB03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjD01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 460 — Beta Polymerase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 20 — CorA soluble domain-like |
| 结构域编号 domain_id | 2bbjD02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjD03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjE01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 460 — Beta Polymerase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 20 — CorA soluble domain-like |
| 结构域编号 domain_id | 2bbjE02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjE03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjF01 |
| 类 Class class | 3 — Alpha Beta |
| 架构 Architecture architecture | 30 — 2-Layer Sandwich |
| 拓扑 Topology topology | 460 — Beta Polymerase; domain 2 |
| 同源超家族 H-superfamily homologous superfamily | 20 — CorA soluble domain-like |
| 结构域编号 domain_id | 2bbjF02 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |
| 结构域编号 domain_id | 2bbjF03 |
| 类 Class class | 1 — Mainly Alpha |
| 架构 Architecture architecture | 20 — Up-down Bundle |
| 拓扑 Topology topology | 58 — Methane Monooxygenase Hydroxylase; Chain G, domain 1 |
| 同源超家族 H-superfamily homologous superfamily | 340 — Magnesium transport protein CorA, transmembrane region |