2vk8

Crystal structure of the Saccharomyces cerevisiae pyruvate decarboxylase variant E477Q in complex with its substrate

Method: X-RAY DIFFRACTION

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

PYRUVATE DECARBOXYLASE ISOZYME 1

SACCHAROMYCES CEREVISIAE

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 2	THIAMINE DIPHOSPHATE × 2 MAGNESIUM ION × 2 (2S)-2-HYDROXYPROPANOIC ACID × 2 water × 2	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 2	THIAMINE DIPHOSPHATE × 2 MAGNESIUM ION × 2 (2S)-2-HYDROXYPROPANOIC ACID × 2 water × 2	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	PDC1_YEAST
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–563； UniProt 1–563 作者链 B； PDB构建体 1–563； UniProt 1–563 作者链 C； PDB构建体 1–563； UniProt 1–563 作者链 D； PDB构建体 1–563； UniProt 1–563

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	2vk8
沉积日期 deposition_date	2007-12-17
结构标题 title	Crystal structure of the Saccharomyces cerevisiae pyruvate decarboxylase variant E477Q in complex with its substrate
关键词 keywords	;ASYMMETRIC ACTIVE SITES, PHENYLALANINE CATABOLISM, TRYPTOPHAN CATABOLISM, THIAMINE PYROPHOSPHATE, DIMER OF DIMERS, PHOSPHORYLATION, ALLOSTERIC ENZYME, TDP, TPP, LYASE, NUCLEUS, PYRUVATE, CYTOPLASM, BRANCHED-CHAIN AMINO ACID CATABOLISM, SUBSTRATE ACTIVATION, THIAMINE DIPHOSPHATE, MAGNESIUM, ACETYLATION, METAL-BINDING, DECARBOXYLASE ;; LYASE
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。

2vk8__assembly_1__model_1

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

下载该曲线 .dat

2vk8__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

2vk8__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	31.31 Å
Rg（电子密度）	30.80 Å
总 Rg	31.45 Å
原子数	8712
残基数	1124
排除体积	155820 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	`2vk8__assembly_1__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`2vk8__assembly_2__model_1`	dimeric （2）	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	PYRUVATE DECARBOXYLASE ISOZYME 1
分子量 formula_weight	61586.0 kDa
EC 编号 ec_number	4.1.1.1
突变 mutation	YES
来源方法 src_method	man
拷贝数 entity_count	4

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D
原子数 atom_count	19242

MSEITLGKYLFERLKQVNVNTVFGLPGDFNLSLLDKIYEVEGMRWAGNANELNAAYAADGYARIKGMSCIITTFGVGELSALNGIAGSYAEHVGVLHVVGVPSISAQAKQLLLHHTLGNGDFTVFHRMSANISETTAMITDIATAPAEIDRCIRTTYVTQRPVYLGLPANLVDLNVPAKLLQTPIDMSLKPNDAESEKEVIDTILVLDKDAKNPVILADACCSRHDVKAETKKLIDLTQFPAFVTPMGKGSIDEQHPRYGGVYVGTLSKPEVKEAVESADLILSVGALLSDFNTGSFSYSYKTKNIVEFHSDHMKIRNATFPGVQMKFVLQKLLTTIADAAKGYKPVAVPARTPANAAVPASTPLKQEWMWNQLGNFLQEGDVVIAETGTSAFGINQTTFPNNTYGISQVLWGSIGFTTGATLGAAFAAEEIDPKKRVILFIGDGSLQLTVQEISTMIRWGLKPYLFVLNNDGYTIQKLIHGPKAQYNEIQGWDHLSLLPTFGAKDYETHRVATTGEWDKLTQDKSFNDNSKIRMIEVMLPVFDAPQNLVEQAKLTAATNAKQ

来源 Source

来源生物 organism	SACCHAROMYCES CEREVISIAE
通用名 common_name	;BAKER'S YEAST ;
NCBI 分类编号 ncbi_taxonomy_id	4932
宿主生物 host_organism	ESCHERICHIA COLI

实体 2 Entity 2 non-polymer

描述 description	THIAMINE DIPHOSPHATE
分子量 formula_weight	425.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 3 Entity 3 non-polymer

描述 description	MAGNESIUM ION
分子量 formula_weight	24.3 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 4 Entity 4 non-polymer

描述 description	(2S)-2-HYDROXYPROPANOIC ACID
分子量 formula_weight	90.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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	1818

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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	d2vk8a1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8a2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.0 — automated matches

结构域编号 domain_id	d2vk8a3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8b1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8b2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.0 — automated matches

结构域编号 domain_id	d2vk8b3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8c1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8c2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.0 — automated matches

结构域编号 domain_id	d2vk8c3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8d1
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

结构域编号 domain_id	d2vk8d2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.31 — DHS-like NAD/FAD-binding domain
超家族 Superfamily superfamily	c.31.1 — DHS-like NAD/FAD-binding domain
家族 Family family	c.31.1.0 — automated matches

结构域编号 domain_id	d2vk8d3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.36 — Thiamin diphosphate-binding fold (THDP-binding)
超家族 Superfamily superfamily	c.36.1 — Thiamin diphosphate-binding fold (THDP-binding)
家族 Family family	c.36.1.0 — automated matches

CATH v4.4 (12 domains)

结构域编号 domain_id	2vk8A01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8A02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2vk8A03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8B01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8B02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2vk8B03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8C01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8C02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2vk8C03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8D01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

结构域编号 domain_id	2vk8D02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	1220 — TPP-binding domain

结构域编号 domain_id	2vk8D03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	50 — Rossmann fold
同源超家族 H-superfamily homologous superfamily	970 — Thiamin diphosphate (ThDP)-binding fold, Pyr/PP domains

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晶胞边长 a length_a	78.980 Å
晶胞边长 b length_b	190.510 Å
晶胞边长 c length_c	84.140 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	113.01 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	8

空间群 space_group	P 1 21 1
空间群编号 int_tables_number	4
晶系 crystal_system	—

分辨率 resolution	1.420 Å
最低分辨率 resolution_low	95.350 Å
R 因子 r_factor	0.1810
R_work r_work	0.1810
R_free r_free	0.1860

Crystal structure of the Saccharomyces cerevisiae pyruvate decarboxylase variant E477Q in complex with its substrate

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

PYRUVATE DECARBOXYLASE ISOZYME 1

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

2vk8__assembly_1__model_1

2vk8__assembly_1__model_1 | I(q)

2vk8__assembly_1__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)

Crystal structure of the Saccharomyces cerevisiae pyruvate decarboxylase variant E477Q in complex with its substrate

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

PYRUVATE DECARBOXYLASE ISOZYME 1

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

2vk8__assembly_1__model_1

2vk8__assembly_1__model_1 | I(q)

2vk8__assembly_1__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)