2awo

Crystal structure of the ADP-Mg-bound E. Coli MALK (Crystallized with ADP-Mg)

Method: X-RAY DIFFRACTION Dmax: 133.7 Å Quality: GOOD

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

Maltose/maltodextrin import ATP-binding protein malK

Escherichia coli

UniProt P68187

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 蛋白同源多聚体 同源多聚体 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 A; UniProt 1–371 链 B; UniProt 1–371 未记录 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;5mM ADP-Mg2+, 0.2M Magnesium Formate, 15%~20% PEG3350, 15% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.80 Å R-free 0.277
2 蛋白同源多聚体 同源多聚体 蛋白 × 2 PDB 声明:dimeric(2) 与蛋白拷贝数一致 链 C; UniProt 1–371 链 D; UniProt 1–371 未记录 MG MAGNESIUM ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 2 X-RAY DIFFRACTION X-ray结晶条件:VAPOR DIFFUSION, HANGING DROP;293 K;5mM ADP-Mg2+, 0.2M Magnesium Formate, 15%~20% PEG3350, 15% Glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 293K 分辨率 2.80 Å R-free 0.277

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 13 个其他 PDB 条目、22 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 MALK_ECOLI
Isoform
PDB实体 1
链与序列区间 作者链 A; PDB构建体 1–371; UniProt 1–371 作者链 B; PDB构建体 1–371; UniProt 1–371 作者链 C; PDB构建体 1–371; UniProt 1–371 作者链 D; PDB构建体 1–371; UniProt 1–371

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 2awo

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id2awo
沉积日期 deposition_date2005-09-01
结构标题 titleCrystal structure of the ADP-Mg-bound E. Coli MALK (Crystallized with ADP-Mg)
关键词 keywordsATP-BINDING CASSETTE, TRANSPORT PROTEIN; TRANSPORT 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_guinier40.26
回转半径 Rg (电子) rg_electron39.98
零角强度 I(0) i0372382000.00
分子量 molecular_weight156810.0 kDa
排除体积 excluded_volume196390 ų
包络体积 envelope_volume262220 ų
水化壳体积 shell_volume55408 ų
包络直径 envelope_diameter141.1
壳层 Rg shell_rg45.02
包络 Rg envelope_rg39.30
形状 Rg shape_rg39.98
总 Rg total_rg40.27
总原子数 total_atoms11005
残基数 n_residues1408
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 dmax133.7
Rg (实空间) rg_real40.30
Rg 误差 (实空间) rg_real_error1.07
I(0) (实空间) i0_real3.7240e+08
I(0) 误差 (实空间) i0_real_error6.2930e+06
Rg (倒空间) rg_reciprocal40.26
I(0) (倒空间) i0_reciprocal372400000.0000
解质量估计 total_estimate0.8833
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks1
主峰位置 r_peak_primary44.6
偏度 Skewness skewness0.353
峰度 Kurtosis kurtosis-0.473
角度范围 angular_range— – 0.1950 −1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha38630000.0000
实空间数据点数 n_real_points40
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.877; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.974; Smooth: 0.875

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_idd2awoa1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.6 — MOP-like
家族 Family familyb.40.6.3 — ABC-transporter additional domain
结构域编号 domain_idd2awoa2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.12 — ABC transporter ATPase domain-like
结构域编号 domain_idd2awoa3
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd2awob1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.6 — MOP-like
家族 Family familyb.40.6.3 — ABC-transporter additional domain
结构域编号 domain_idd2awob2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.12 — ABC transporter ATPase domain-like
结构域编号 domain_idd2awob3
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd2awoc1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.6 — MOP-like
家族 Family familyb.40.6.3 — ABC-transporter additional domain
结构域编号 domain_idd2awoc2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.12 — ABC transporter ATPase domain-like
结构域编号 domain_idd2awoc3
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags
结构域编号 domain_idd2awod1
类 Class classb — All beta proteins
折叠类型 Fold foldb.40 — OB-fold
超家族 Superfamily superfamilyb.40.6 — MOP-like
家族 Family familyb.40.6.3 — ABC-transporter additional domain
结构域编号 domain_idd2awod2
类 Class classc — Alpha and beta proteins (a/b)
折叠类型 Fold foldc.37 — P-loop containing nucleoside triphosphate hydrolases
超家族 Superfamily superfamilyc.37.1 — P-loop containing nucleoside triphosphate hydrolases
家族 Family familyc.37.1.12 — ABC transporter ATPase domain-like
结构域编号 domain_idd2awod3
类 Class classl — Artifacts
折叠类型 Fold foldl.1 — Tags
超家族 Superfamily superfamilyl.1.1 — Tags
家族 Family familyl.1.1.1 — Tags

CATH v4.4 (12 domains)

结构域编号 domain_id2awoA01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id2awoA02
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 superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
结构域编号 domain_id2awoA03
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 superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id2awoB01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id2awoB02
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 superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
结构域编号 domain_id2awoB03
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 superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id2awoC01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id2awoC02
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 superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
结构域编号 domain_id2awoC03
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 superfamily140 — Nucleic acid-binding proteins
结构域编号 domain_id2awoD01
类 Class class3 — Alpha Beta
架构 Architecture architecture40 — 3-Layer(aba) Sandwich
拓扑 Topology topology50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily300 — P-loop containing nucleotide triphosphate hydrolases
结构域编号 domain_id2awoD02
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 superfamily100 — RNA polymerase II/Efflux pump adaptor protein, barrel-sandwich hybrid domain
结构域编号 domain_id2awoD03
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 superfamily140 — Nucleic acid-binding proteins

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9. 文件与曲线 (10)