1p9u

Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs

Method: X-RAY DIFFRACTION

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

putative coronavirus nsp2 (3CL-PRO)

Transmissible gastroenteritis virus

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	蛋白异源复合物	异源复合物	蛋白 3	PHQ-VNSTLQ-CHLOROMETHYLKETONE INHIBITOR × 1 SULFATE ION × 7 (4R)-2-METHYLPENTANE-2,4-DIOL × 1 water × 2	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 2	SULFATE ION × 9 (4R)-2-METHYLPENTANE-2,4-DIOL × 2 water × 2	与蛋白数一致
3	蛋白异源复合物	异源复合物	蛋白 3	PHQ-VNSTLQ-CHLOROMETHYLKETONE INHIBITOR × 1 SULFATE ION × 8 (4R)-2-METHYLPENTANE-2,4-DIOL × 1 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	R1AB_CVPPU
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–302； UniProt 1–302 作者链 B； PDB构建体 1–302； UniProt 1–302 作者链 C； PDB构建体 1–302； UniProt 1–302 作者链 D； PDB构建体 1–302； UniProt 1–302 作者链 E； PDB构建体 1–302； UniProt 1–302 作者链 F； PDB构建体 1–302； UniProt 1–302

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	1p9u
沉积日期 deposition_date	2003-05-12
结构标题 title	Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs
关键词 keywords	SARS-COV, HCOV, TGEV, HYDROLASE-HYDROLASE INHIBITOR COMPLEX; HYDROLASE/HYDROLASE INHIBITOR
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。

1p9u__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

下载该曲线 .dat

1p9u__assembly_3__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1p9u__assembly_3__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	26.46 Å
Rg（电子密度）	25.32 Å
总 Rg	26.13 Å
原子数	4687
残基数	605
排除体积	82839 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	`1p9u__assembly_1__model_1`	trimeric （3）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`1p9u__assembly_2__model_1`	dimeric （2）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
3	1	`1p9u__assembly_3__model_1`	trimeric （3）	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	putative coronavirus nsp2 (3CL-PRO)
分子量 formula_weight	33123.4 kDa
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	14981

SGLRKMAQPSGLVEPCIVRVSYGNNVLNGLWLGDEVICPRHVIASDTTRVINYENEMSSVRLHNFSVSKNNVFLGVVSARYKGVNLVLKVNQVNPNTPEHKFKSIKAGESFNILACYEGCPGSVYGVNMRSQGTIKGSFIAGTCGSVGYVLENGILYFVYMHHLELGNGSHVGSNFEGEMYGGYEDQPSMQLEGTNVMSSDNVVAFLYAALINGERWFVTNTSMSLESYNTWAKTNSFTELSSTDAFSMLAAKTGQSVEKLLDSIVRLNKGFGGRTILSYGSLCDEFTPTEVIRQMYGVNLQ

来源 Source

来源生物 organism	Transmissible gastroenteritis virus
NCBI 分类编号 ncbi_taxonomy_id	11149
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 polymer

描述 description	PHQ-VNSTLQ-CHLOROMETHYLKETONE INHIBITOR
分子量 formula_weight	845.8 kDa
来源方法 src_method	syn
拷贝数 entity_count	2

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	G,H

XVNSTLQX

实体 3 Entity 3 non-polymer

描述 description	SULFATE ION
分子量 formula_weight	96.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	24

实体 4 Entity 4 non-polymer

描述 description	(4R)-2-METHYLPENTANE-2,4-DIOL
分子量 formula_weight	118.2 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	924

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6. 折叠分类 (SCOP + CATH) 24 domains

SCOP 2.08 (6 domains)

结构域编号 domain_id	d1p9ua_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

结构域编号 domain_id	d1p9ub_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

结构域编号 domain_id	d1p9uc_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

结构域编号 domain_id	d1p9ud_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

结构域编号 domain_id	d1p9ue_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

结构域编号 domain_id	d1p9uf_
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.47 — Trypsin-like serine proteases
超家族 Superfamily superfamily	b.47.1 — Trypsin-like serine proteases
家族 Family family	b.47.1.4 — Viral cysteine protease of trypsin fold

CATH v4.4 (18 domains)

结构域编号 domain_id	1p9uA01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uA02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uA03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

结构域编号 domain_id	1p9uB01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uB02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uB03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

结构域编号 domain_id	1p9uC01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uC02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uC03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

结构域编号 domain_id	1p9uD01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uD02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uD03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

结构域编号 domain_id	1p9uE01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uE02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uE03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

结构域编号 domain_id	1p9uF01
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uF02
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	10 — Thrombin, subunit H
同源超家族 H-superfamily homologous superfamily	10 — Trypsin-like serine proteases

结构域编号 domain_id	1p9uF03
类 Class class	1 — Mainly Alpha
架构 Architecture architecture	10 — Orthogonal Bundle
拓扑 Topology topology	1840 — main proteinase (3clpro) structure, domain 3
同源超家族 H-superfamily homologous superfamily	10 — main proteinase (3clpro) structure, domain 3

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晶胞边长 a length_a	72.390 Å
晶胞边长 b length_b	158.550 Å
晶胞边长 c length_c	88.200 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	94.40 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	12

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	2.370 Å
最低分辨率 resolution_low	39.640 Å
R 因子 r_factor	0.2000
R_work r_work	0.1910
R_free r_free	0.2340

Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs

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

putative coronavirus nsp2 (3CL-PRO)

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

1p9u__assembly_3__model_1

1p9u__assembly_3__model_1 | I(q)

1p9u__assembly_3__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 polymer

聚合物 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 (6 domains)

CATH v4.4 (18 domains)

7. 引用文献 (1)

Coronavirus Main Proteinase (3CLpro) Structure: Basis for Design of anti-SARS Drugs

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

putative coronavirus nsp2 (3CL-PRO)

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

1p9u__assembly_3__model_1

1p9u__assembly_3__model_1 | I(q)

1p9u__assembly_3__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 polymer

聚合物 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 (6 domains)

CATH v4.4 (18 domains)

7. 引用文献 (1)