1dqa

COMPLEX OF THE CATALYTIC PORTION OF HUMAN HMG-COA REDUCTASE WITH HMG, COA, AND NADP+

Method: X-RAY DIFFRACTION

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

PROTEIN (HMG-COA REDUCTASE)

Homo sapiens

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 4	COENZYME A × 4 3-HYDROXY-3-METHYL-GLUTARIC ACID × 4 NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 4 water × 4	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	HMDH_HUMAN
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–467； UniProt 422–888 作者链 B； PDB构建体 1–467； UniProt 422–888 作者链 C； PDB构建体 1–467； UniProt 422–888 作者链 D； PDB构建体 1–467； UniProt 422–888

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	1dqa
沉积日期 deposition_date	1999-12-30
结构标题 title	COMPLEX OF THE CATALYTIC PORTION OF HUMAN HMG-COA REDUCTASE WITH HMG, COA, AND NADP+
关键词 keywords	OXIDOREDUCTASE, CHOLESTEROL BIOSYNTHESIS, HMG-COA, NADPH; OXIDOREDUCTASE
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。

1dqa__assembly_1__model_1

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

下载该曲线 .dat

1dqa__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1dqa__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	33.35 Å
Rg（电子密度）	32.76 Å
总 Rg	33.30 Å
原子数	12438
残基数	1614
排除体积	220820 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	`1dqa__assembly_1__model_1`	tetrameric （4）	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	PROTEIN (HMG-COA REDUCTASE)
分子量 formula_weight	50021.5 kDa
EC 编号 ec_number	1.1.1.34
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	12909

GAMASSVLVTQEPEIELPREPRPNEECLQILGNAEKGAKFLSDAEIIQLVNAKHIPAYKLETLIETHERGVSIRRQLLSKKLSEPSSLQYLPYRDYNYSLVMGACCENVIGYMPIPVGVAGPLCLDEKEFQVPMATTEGCLVASTNRGCRAIGLGGGASSRVLADGMTRGPVVRLPRACDSAEVKAWLETSEGFAVIKEAFDSTSRFARLQKLHTSIAGRNLYIRFQSRSGDAMGMNMISKGTEKALSKLHEYFPEMQILAVSGNYCTDKKPAAINWIEGRGKSVVCEAVIPAKVVREVLKTTTEAMIEVNINKNLVGSAMAGSIGGYNAHAANIVTAIYIACGQDAAQNVGSSNCITLMEASGPTNEDLYISCTMPSIEIGTVGGGTNLLPQQACLQMLGVQGACKDNPGENARQLARIVCGTVMAGELSLMAALAAGHLVKSHMIHNRSKINLQDLQGACTKKTA

来源 Source

来源生物 organism	Homo sapiens
通用名 common_name	human
NCBI 分类编号 ncbi_taxonomy_id	9606
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 non-polymer

描述 description	COENZYME A
分子量 formula_weight	767.5 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 3 Entity 3 non-polymer

描述 description	3-HYDROXY-3-METHYL-GLUTARIC ACID
分子量 formula_weight	162.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 4 Entity 4 non-polymer

描述 description	NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
分子量 formula_weight	743.4 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	471

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6. 折叠分类 (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

结构域编号 domain_id	d1dqaa1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.20 — NAD-binding domain of HMG-CoA reductase
家族 Family family	d.58.20.1 — NAD-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqaa4
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.179 — Substrate-binding domain of HMG-CoA reductase
超家族 Superfamily superfamily	d.179.1 — Substrate-binding domain of HMG-CoA reductase
家族 Family family	d.179.1.1 — Substrate-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqab1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.20 — NAD-binding domain of HMG-CoA reductase
家族 Family family	d.58.20.1 — NAD-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqab4
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.179 — Substrate-binding domain of HMG-CoA reductase
超家族 Superfamily superfamily	d.179.1 — Substrate-binding domain of HMG-CoA reductase
家族 Family family	d.179.1.1 — Substrate-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqac1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.20 — NAD-binding domain of HMG-CoA reductase
家族 Family family	d.58.20.1 — NAD-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqac4
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.179 — Substrate-binding domain of HMG-CoA reductase
超家族 Superfamily superfamily	d.179.1 — Substrate-binding domain of HMG-CoA reductase
家族 Family family	d.179.1.1 — Substrate-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqad1
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.58 — Ferredoxin-like
超家族 Superfamily superfamily	d.58.20 — NAD-binding domain of HMG-CoA reductase
家族 Family family	d.58.20.1 — NAD-binding domain of HMG-CoA reductase

结构域编号 domain_id	d1dqad4
类 Class class	d — Alpha and beta proteins (a+b)
折叠类型 Fold fold	d.179 — Substrate-binding domain of HMG-CoA reductase
超家族 Superfamily superfamily	d.179.1 — Substrate-binding domain of HMG-CoA reductase
家族 Family family	d.179.1.1 — Substrate-binding domain of HMG-CoA reductase

CATH v4.4 (12 domains)

结构域编号 domain_id	1dqaA01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3270 — HMGR, N-terminal domain
同源超家族 H-superfamily homologous superfamily	10 — HMGR, N-terminal domain

结构域编号 domain_id	1dqaA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	770 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2

结构域编号 domain_id	1dqaA03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	420 — Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain

结构域编号 domain_id	1dqaB01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3270 — HMGR, N-terminal domain
同源超家族 H-superfamily homologous superfamily	10 — HMGR, N-terminal domain

结构域编号 domain_id	1dqaB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	770 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2

结构域编号 domain_id	1dqaB03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	420 — Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain

结构域编号 domain_id	1dqaC01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3270 — HMGR, N-terminal domain
同源超家族 H-superfamily homologous superfamily	10 — HMGR, N-terminal domain

结构域编号 domain_id	1dqaC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	770 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2

结构域编号 domain_id	1dqaC03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	420 — Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain

结构域编号 domain_id	1dqaD01
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	3270 — HMGR, N-terminal domain
同源超家族 H-superfamily homologous superfamily	10 — HMGR, N-terminal domain

结构域编号 domain_id	1dqaD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	90 — Alpha-Beta Complex
拓扑 Topology topology	770 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2
同源超家族 H-superfamily homologous superfamily	10 — 3-hydroxy-3-methylglutaryl-coenzyme A Reductase; Chain A, domain 2

结构域编号 domain_id	1dqaD03
类 Class class	3 — Alpha Beta
架构 Architecture architecture	30 — 2-Layer Sandwich
拓扑 Topology topology	70 — Alpha-Beta Plaits
同源超家族 H-superfamily homologous superfamily	420 — Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain

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晶胞边长 a length_a	73.918 Å
晶胞边长 b length_b	172.630 Å
晶胞边长 c length_c	73.991 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	117.50 °
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	2.000 Å
最低分辨率 resolution_low	44.000 Å
R 因子 r_factor	0.1680
R_work r_work	0.1680
R_free r_free	0.1970

COMPLEX OF THE CATALYTIC PORTION OF HUMAN HMG-COA REDUCTASE WITH HMG, COA, AND NADP+

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

PROTEIN (HMG-COA REDUCTASE)

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

1dqa__assembly_1__model_1

1dqa__assembly_1__model_1 | I(q)

1dqa__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)

COMPLEX OF THE CATALYTIC PORTION OF HUMAN HMG-COA REDUCTASE WITH HMG, COA, AND NADP+

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

PROTEIN (HMG-COA REDUCTASE)

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

1dqa__assembly_1__model_1

1dqa__assembly_1__model_1 | I(q)

1dqa__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) 20 domains

SCOP 2.08 (8 domains)

CATH v4.4 (12 domains)

7. 引用文献 (1)