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THREE-DIMENSIONAL STRUCTURE OF BUTYRYL-COA DEHYDROGENASE FROM MEGASPHAERA ELSDENII

Method: X-RAY DIFFRACTION Dmax: 107.0 Å Quality: GOOD
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1. 蛋白身份与相关结构 Protein Identity & Related Structures

BUTYRYL-COA DEHYDROGENASE

Megasphaera elsdenii

UniProt Q06319

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 × 4 PDB 声明：tetrameric（4） 与蛋白拷贝数一致 链 A； UniProt 1–383 链 B； UniProt 1–383 未记录 CAA ACETOACETYL-COENZYME A × 4 FAD FLAVIN-ADENINE DINUCLEOTIDE × 4 X-RAY DIFFRACTION mmCIF 未提供已读取环境条件 分辨率 2.50 Å

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。

数据库中没有找到同一 UniProt 蛋白的其他 PDB 条目。

查看构建体与数据证据
UniProt名称 ACDS_MEGEL
Isoform —
PDB实体 1
链与序列区间 作者链 A； PDB构建体 1–383； UniProt 1–383 作者链 B； PDB构建体 1–383； UniProt 1–383

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 1buc

P(r) 距离分布 P(r) Distribution

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

条目编号 entry_id1buc
沉积日期 deposition_date1994-09-06
结构标题 titleTHREE-DIMENSIONAL STRUCTURE OF BUTYRYL-COA DEHYDROGENASE FROM MEGASPHAERA ELSDENII
关键词 keywordsACYL-COA DEHYDROGENASE SHORT-CHAIN ACYL-COA DEHYDROGENASE, FLAVOPROTEIN, OXIDOREDUCTASE; OXIDOREDUCTASE
实验方法 methodX-RAY DIFFRACTION
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3. SAXS 参数 (CRYSOL 理论计算) 3. SAXS Parameters (CRYSOL)

回转半径 Rg (Guinier) rg_guinier30.12 Å
回转半径 Rg (电子) rg_electron29.51 Å
零角强度 I(0) i0120853000.00
分子量 molecular_weight86067.0 kDa
排除体积 excluded_volume107220 ų
包络体积 envelope_volume126330 ų
水化壳体积 shell_volume35964 ų
包络直径 envelope_diameter115.3 Å
壳层 Rg shell_rg36.34 Å
包络 Rg envelope_rg29.65 Å
形状 Rg shape_rg29.54 Å
总 Rg total_rg30.00 Å
总原子数 total_atoms6032
残基数 n_residues766
球谐函数阶数 n_harmonics20
q 范围 q_range— – 0.5000 Å−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
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4. P(r) 距离分布 (GNOM 反演) 4. P(r) Analysis (GNOM)

最大尺寸 Dmax dmax107.0 Å
Rg (实空间) rg_real30.19 Å
Rg 误差 (实空间) rg_real_error1.16 Å
I(0) (实空间) i0_real1.2090e+08
I(0) 误差 (实空间) i0_real_error2.1330e+06
Rg (倒空间) rg_reciprocal30.16 Å
I(0) (倒空间) i0_reciprocal120800000.0000
解质量估计 total_estimate0.8557
解质量评级 solution_quality GOOD a GOOD solution
P(r) 峰数 n_peaks2
主峰位置 r_peak_primary32.3 Å
偏度 Skewness skewness0.439
峰度 Kurtosis kurtosis-0.213
角度范围 angular_range— – 0.2650 Å−1
当前正则化参数 α current_alpha0.0000
最高正则化参数 α highest_alpha29030000.0000
实空间数据点数 n_real_points54
GNOM 版本 gnom_version4.1.3
质量判据 quality_criteria AN1: 0.000; Oscil: 0.737; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.923; Smooth: 0.987
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5. 晶体学与实验 5. Crystallography & Experiment

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6. 实体与聚合物信息 Entities & Polymers (3)

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7. 折叠分类 (SCOP + CATH) 10 domains

SCOP 2.08 (4 domains)

结构域编号 domain_idd1buca1
类 Class classa — All alpha proteins
折叠类型 Fold folda.29 — Bromodomain-like
超家族 Superfamily superfamilya.29.3 — Acyl-CoA dehydrogenase C-terminal domain-like
家族 Family familya.29.3.1 — Medium chain acyl-CoA dehydrogenase-like, C-terminal domain
结构域编号 domain_idd1buca2
类 Class classe — Multi-domain proteins (alpha and beta)
折叠类型 Fold folde.6 — Acyl-CoA dehydrogenase NM domain-like
超家族 Superfamily superfamilye.6.1 — Acyl-CoA dehydrogenase NM domain-like
家族 Family familye.6.1.1 — Medium chain acyl-CoA dehydrogenase, NM (N-terminal and middle) domains
结构域编号 domain_idd1bucb1
类 Class classa — All alpha proteins
折叠类型 Fold folda.29 — Bromodomain-like
超家族 Superfamily superfamilya.29.3 — Acyl-CoA dehydrogenase C-terminal domain-like
家族 Family familya.29.3.1 — Medium chain acyl-CoA dehydrogenase-like, C-terminal domain
结构域编号 domain_idd1bucb2
类 Class classe — Multi-domain proteins (alpha and beta)
折叠类型 Fold folde.6 — Acyl-CoA dehydrogenase NM domain-like
超家族 Superfamily superfamilye.6.1 — Acyl-CoA dehydrogenase NM domain-like
家族 Family familye.6.1.1 — Medium chain acyl-CoA dehydrogenase, NM (N-terminal and middle) domains

CATH v4.4 (6 domains)

结构域编号 domain_id1bucA01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology540 — Butyryl-Coa Dehydrogenase, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acyl-CoA dehydrogenase/oxidase, N-terminal domain
结构域编号 domain_id1bucA02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology110 — Butyryl-CoA Dehydrogenase, subunit A; domain 2
同源超家族 H-superfamily homologous superfamily10 — Butyryl-CoA Dehydrogenase, subunit A, domain 2
结构域编号 domain_id1bucA03
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily10 — Butyryl-CoA Dehydrogenase, subunit A, domain 3
结构域编号 domain_id1bucB01
类 Class class1 — Mainly Alpha
架构 Architecture architecture10 — Orthogonal Bundle
拓扑 Topology topology540 — Butyryl-Coa Dehydrogenase, subunit A; domain 1
同源超家族 H-superfamily homologous superfamily10 — Acyl-CoA dehydrogenase/oxidase, N-terminal domain
结构域编号 domain_id1bucB02
类 Class class2 — Mainly Beta
架构 Architecture architecture40 — Beta Barrel
拓扑 Topology topology110 — Butyryl-CoA Dehydrogenase, subunit A; domain 2
同源超家族 H-superfamily homologous superfamily10 — Butyryl-CoA Dehydrogenase, subunit A, domain 2
结构域编号 domain_id1bucB03
类 Class class1 — Mainly Alpha
架构 Architecture architecture20 — Up-down Bundle
拓扑 Topology topology140 — Butyryl-CoA Dehydrogenase, subunit A; domain 3
同源超家族 H-superfamily homologous superfamily10 — Butyryl-CoA Dehydrogenase, subunit A, domain 3
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8. 引用文献 (1)

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9. 文件与曲线 (10)