1on9

Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with hydrolyzed methylmalonyl-coenzyme a bound)

Method: X-RAY DIFFRACTION

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

Methylmalonyl-CoA carboxyltransferase 12S subunit

Propionibacterium freudenreichii

当前结构中的状态

Assembly	物理组成	蛋白状态	分子拷贝数	共同组分	数据核对
1	蛋白同源多聚体	同源多聚体	蛋白 6	CADMIUM ION × 3 METHYLMALONYL-COENZYME A × 6 (4S)-2-METHYL-2,4-PENTANEDIOL × 1 water × 6	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 6	METHYLMALONYL-COENZYME A × 6 (4S)-2-METHYL-2,4-PENTANEDIOL × 2 water × 6	与蛋白数一致

数据库中的同蛋白其他状态

查看构建体与数据证据

UniProt名称	12S_PROFR
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–523； UniProt 2–524 作者链 B； PDB构建体 1–523； UniProt 2–524 作者链 C； PDB构建体 1–523； UniProt 2–524 作者链 D； PDB构建体 1–523； UniProt 2–524 作者链 E； PDB构建体 1–523； UniProt 2–524 作者链 F； PDB构建体 1–523； UniProt 2–524

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。

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2. 结构基本信息 2. Structure Basics

条目编号 entry_id	1on9
沉积日期 deposition_date	2003-02-27
结构标题 title	Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with hydrolyzed methylmalonyl-coenzyme a bound)
关键词 keywords	carboxyl transferase, domain duplication, multienzyme complex, transcarboxylase, TRANSFERASE; TRANSFERASE
实验方法 method	X-RAY DIFFRACTION

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3. Official assembly/model 理论 SAXS Official SAXS Profiles

页面只读取最新 assembly 计算结果。每一条曲线都对应明确的 PDB、official biological assembly 和 coordinate model。

1on9__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

1on9__assembly_2__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1on9__assembly_2__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	47.26 Å
Rg（电子密度）	46.62 Å
总 Rg	47.00 Å
原子数	23438
残基数	3078
排除体积	414870 Å³
最大 q	0.500 Å⁻¹

Assembly	Model	结构单元	聚集说明	状态	CRYSOL	操作
1	1	`1on9__assembly_1__model_1`	hexameric （6）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`1on9__assembly_2__model_1`	hexameric （6）	成功	4.1.3-1-20251215 (887e7ef)	查看下载

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4. 晶体学与实验 4. Crystallography & Experiment

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5. 实体与聚合物信息 Entities & Polymers (5)

实体 1 Entity 1 polymer

描述 description	Methylmalonyl-CoA carboxyltransferase 12S subunit
分子量 formula_weight	56327.5 kDa
EC 编号 ec_number	2.1.3.1
来源方法 src_method	man
拷贝数 entity_count	6

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F
原子数 atom_count	26869

AENNNLKLASTMEGRVEQLAEQRQVIEAGGGERRVEKQHSQGKQTARERLNNLLDPHSFDEVGAFRKHRTTLFGMDKAVVPADGVVTGRGTILGRPVHAASQDFTVMGGSAGETQSTKVVETMEQALLTGTPFLFFYDSGGARIQEGIDSLSGYGKMFFANVKLSGVVPQIAIIAGPCAGGASYSPALTDFIIMTKKAHMFITGPQVIKSVTGEDVTADELGGAEAHMAISGNIHFVAEDDDAAELIAKKLLSFLPQNNTEEASFVNPNNDVSPNTELRDIVPIDGKKGYDVRDVIAKIVDWGDYLEVKAGYATNLVTAFARVNGRSVGIVANQPSVMSGCLDINASDKAAEFVNFCDSFNIPLVQLVDVPGFLPGVQQEYGGIIRHGAKMLYAYSEATVPKITVVLRKAYGGSYLAMCNRDLGADAVYAWPSAEIAVMGAEGAANVIFRKEIKAADDPDAMRAEKIEEYQNAFNTPYVAAARGQVDDVIDPADTRRKIASALEMYATKRQTRPAKKHGNFPC

来源 Source

来源生物 organism	Propionibacterium freudenreichii
NCBI 分类编号 ncbi_taxonomy_id	1744
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 non-polymer

描述 description	CADMIUM ION
分子量 formula_weight	112.4 kDa
来源方法 src_method	syn
拷贝数 entity_count	3

实体 3 Entity 3 non-polymer

描述 description	METHYLMALONYL-COENZYME A
分子量 formula_weight	867.6 kDa
来源方法 src_method	syn
拷贝数 entity_count	6

实体 4 Entity 4 non-polymer

描述 description	(4S)-2-METHYL-2,4-PENTANEDIOL
分子量 formula_weight	118.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	1

实体 5 Entity 5 water

描述 description	water
分子量 formula_weight	18.0 kDa
来源方法 src_method	nat
拷贝数 entity_count	3390

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6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

结构域编号 domain_id	d1on9a1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9a2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9b1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9b2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9c1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9c2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9d1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9d2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9e1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9e2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9f1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

结构域编号 domain_id	d1on9f2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.14 — ClpP/crotonase
超家族 Superfamily superfamily	c.14.1 — ClpP/crotonase
家族 Family family	c.14.1.4 — Biotin dependent carboxylase carboxyltransferase domain

CATH v4.4 (12 domains)

结构域编号 domain_id	1on9A01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9A02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9B01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9B02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9C01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9C02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9D01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9D02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9E01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9E02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9F01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

结构域编号 domain_id	1on9F02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	226 — 2-enoyl-CoA Hydratase; Chain A, domain 1
同源超家族 H-superfamily homologous superfamily	10 — 2-enoyl-CoA Hydratase; Chain A, domain 1

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晶胞边长 a length_a	113.810 Å
晶胞边长 b length_b	200.020 Å
晶胞边长 c length_c	145.900 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	102.97 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	24

空间群 space_group	C 1 2 1
空间群编号 int_tables_number	5
晶系 crystal_system	—

分辨率 resolution	2.000 Å
最低分辨率 resolution_low	29.550 Å
R 因子 r_factor	0.1520
R_work r_work	0.1520
R_free r_free	0.1980

Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with hydrolyzed methylmalonyl-coenzyme a bound)

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

Methylmalonyl-CoA carboxyltransferase 12S subunit

当前结构中的状态

数据库中的同蛋白其他状态

2. 结构基本信息 2. Structure Basics

3. Official assembly/model 理论 SAXS Official SAXS Profiles

1on9__assembly_2__model_1

1on9__assembly_2__model_1 | I(q)

1on9__assembly_2__model_1 | P(r) · Pending

4. 晶体学与实验 4. Crystallography & Experiment

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合物信息 Entities & Polymers (5)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 non-polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 water

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)

Transcarboxylase 12S crystal structure: hexamer assembly and substrate binding to a multienzyme core (with hydrolyzed methylmalonyl-coenzyme a bound)

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

Methylmalonyl-CoA carboxyltransferase 12S subunit

当前结构中的状态

数据库中的同蛋白其他状态

单体

同源二聚体

同源四聚体

其他同源多聚体

异源或核酸复合物

2. 结构基本信息 2. Structure Basics

3. Official assembly/model 理论 SAXS Official SAXS Profiles

1on9__assembly_2__model_1

1on9__assembly_2__model_1 | I(q)

1on9__assembly_2__model_1 | P(r) · Pending

4. 晶体学与实验 4. Crystallography & Experiment

晶胞参数 Unit Cell

对称性 Symmetry

精修参数 Refinement

衍射实验 Diffraction

5. 实体与聚合物信息 Entities & Polymers (5)

实体 1 Entity 1 polymer

聚合物 Polymer

来源 Source

实体 2 Entity 2 non-polymer

实体 3 Entity 3 non-polymer

实体 4 Entity 4 non-polymer

实体 5 Entity 5 water

6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (12 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)