1pkl

THE STRUCTURE OF LEISHMANIA PYRUVATE KINASE

Method: X-RAY DIFFRACTION

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

PROTEIN (PYRUVATE KINASE)

Leishmania mexicana

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	SULFATE ION × 4 water × 4	与蛋白数一致
2	蛋白同源多聚体	同源多聚体	蛋白 4	SULFATE ION × 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	KPYK_LEIME
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–499； UniProt 1–499 作者链 B； PDB构建体 1–499； UniProt 1–499 作者链 C； PDB构建体 1–499； UniProt 1–499 作者链 D； PDB构建体 1–499； UniProt 1–499 作者链 E； PDB构建体 1–499； UniProt 1–499 作者链 F； PDB构建体 1–499； UniProt 1–499 作者链 G； PDB构建体 1–499； UniProt 1–499 作者链 H； PDB构建体 1–499； UniProt 1–499

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	1pkl
沉积日期 deposition_date	1998-09-15
结构标题 title	THE STRUCTURE OF LEISHMANIA PYRUVATE KINASE
关键词 keywords	PYRUVATE KINASE, GLYCOLYTIC ENZYME, HOMOTETRAMER, 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。

1pkl__assembly_1__model_1

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

下载该曲线 .dat

1pkl__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1pkl__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	43.81 Å
Rg（电子密度）	43.27 Å
总 Rg	43.38 Å
原子数	14991
残基数	1965
排除体积	266030 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	`1pkl__assembly_1__model_1`	tetrameric （4）	成功	4.1.3-1-20251215 (887e7ef)	查看下载
2	1	`1pkl__assembly_2__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 (3)

实体 1 Entity 1 polymer

描述 description	PROTEIN (PYRUVATE KINASE)
分子量 formula_weight	54467.9 kDa
EC 编号 ec_number	2.7.1.40
来源方法 src_method	man
拷贝数 entity_count	8

聚合物 Polymer

聚合物类型 type	polypeptide(L)
链编号 strand_id	A,B,C,D,E,F,H,G
原子数 atom_count	32986

MSQLAHNLTLSIFDPVANYRAARIICTIGPSTQSVEALKGLIQSGMSVARMNFSHGSHEYHQTTINNVRQAAAELGVNIAIALDTKGPEIRTGQFVGGDAVMERGATCYVTTDPAFADKGTKDKFYIDYQNLSKVVRPGNYIYIDDGILILQVQSHEDEQTLECTVTNSHTISDRRGVNLPGCDVDLPAVSAKDRVDLQFGVEQGVDMIFASFIRSAEQVGDVRKALGPKGRDIMIICKIENHQGVQNIDSIIEESDGIMVARGDLGVEIPAEKVVVAQKILISKCNVAGKPVICATQMLESMTYNPRPTRAEVSDVANAVFNGADCVMLSGETAKGKYPNEVVQYMARICLEAQSALNEYVFFNSIKKLQHIPMSADEAVCSSAVNSVYETKAKAMVVLSNTGRSARLVAKYRPNCPIVCVTTRLQTCRQLNITQGVESVFFDADKLGHDEGKEHRVAAGVEFAKSKGYVQTGDYCVVIHADHKVKGYANQTRILLVE

来源 Source

来源生物 organism	Leishmania mexicana
NCBI 分类编号 ncbi_taxonomy_id	5665
宿主生物 host_organism	Escherichia coli

实体 2 Entity 2 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	8

实体 3 Entity 3 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	2952

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6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

结构域编号 domain_id	d1pkla1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pkla2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pkla3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pklb1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pklb2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pklb3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pklc1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pklc2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pklc3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pkld1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pkld2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pkld3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pkle1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pkle2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pkle3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pklf1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pklf2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pklf3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pklg1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pklg2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pklg3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	d1pklh1
类 Class class	b — All beta proteins
折叠类型 Fold fold	b.58 — PK beta-barrel domain-like
超家族 Superfamily superfamily	b.58.1 — PK beta-barrel domain-like
家族 Family family	b.58.1.1 — Pyruvate kinase beta-barrel domain

结构域编号 domain_id	d1pklh2
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.1 — TIM beta/alpha-barrel
超家族 Superfamily superfamily	c.1.12 — Phosphoenolpyruvate/pyruvate domain
家族 Family family	c.1.12.1 — Pyruvate kinase

结构域编号 domain_id	d1pklh3
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.49 — Pyruvate kinase C-terminal domain-like
超家族 Superfamily superfamily	c.49.1 — PK C-terminal domain-like
家族 Family family	c.49.1.1 — Pyruvate kinase, C-terminal domain

CATH v4.4 (24 domains)

结构域编号 domain_id	1pklA01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklA02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklA03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklB01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklB02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklB03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklC01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklC02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklC03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklD01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklD02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklD03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklE01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklE02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklE03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklF01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklF02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklF03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklG01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklG02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklG03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

结构域编号 domain_id	1pklH01
类 Class class	3 — Alpha Beta
架构 Architecture architecture	40 — 3-Layer(aba) Sandwich
拓扑 Topology topology	1380 — Pyruvate Kinase; Chain: A, domain 1
同源超家族 H-superfamily homologous superfamily	20 — Pyruvate kinase, C-terminal domain

结构域编号 domain_id	1pklH02
类 Class class	3 — Alpha Beta
架构 Architecture architecture	20 — Alpha-Beta Barrel
拓扑 Topology topology	20 — TIM Barrel
同源超家族 H-superfamily homologous superfamily	60 — Phosphoenolpyruvate-binding domains

结构域编号 domain_id	1pklH03
类 Class class	2 — Mainly Beta
架构 Architecture architecture	40 — Beta Barrel
拓扑 Topology topology	33 — M1 Pyruvate Kinase; Domain 3
同源超家族 H-superfamily homologous superfamily	10 — PK beta-barrel domain-like

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晶胞边长 a length_a	121.649 Å
晶胞边长 b length_b	132.638 Å
晶胞边长 c length_c	180.996 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	97.11 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	16

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	2.350 Å
最低分辨率 resolution_low	30.000 Å
R 因子 r_factor	0.2090
R_work r_work	0.2090
R_free r_free	0.2560

THE STRUCTURE OF LEISHMANIA PYRUVATE KINASE

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

PROTEIN (PYRUVATE KINASE)

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

1pkl__assembly_1__model_1

1pkl__assembly_1__model_1 | I(q)

1pkl__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 (3)

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 water

6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. 引用文献 (1)

THE STRUCTURE OF LEISHMANIA PYRUVATE KINASE

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

PROTEIN (PYRUVATE KINASE)

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

1pkl__assembly_1__model_1

1pkl__assembly_1__model_1 | I(q)

1pkl__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 (3)

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 water

6. 折叠分类 (SCOP + CATH) 48 domains

SCOP 2.08 (24 domains)

CATH v4.4 (24 domains)

7. 引用文献 (1)