1pyg

STRUCTURAL BASIS FOR THE ACTIVATION OF GLYCOGEN PHOSPHORYLASE B BY ADENOSINE MONOPHOSPHATE

Method: X-RAY DIFFRACTION

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

GLYCOGEN PHOSPHORYLASE B

Oryctolagus cuniculus

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	ADENOSINE MONOPHOSPHATE × 4 PYRIDOXAL-5'-DIPHOSPHATE × 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	PHS2_RABIT
Isoform	—
PDB实体	1
链与序列区间	作者链 A； PDB构建体 1–842； UniProt 1–842 作者链 B； PDB构建体 1–842； UniProt 1–842 作者链 C； PDB构建体 1–842； UniProt 1–842 作者链 D； PDB构建体 1–842； UniProt 1–842

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	1pyg
沉积日期 deposition_date	1992-07-07
结构标题 title	STRUCTURAL BASIS FOR THE ACTIVATION OF GLYCOGEN PHOSPHORYLASE B BY ADENOSINE MONOPHOSPHATE
关键词 keywords	GLYCOGEN PHOSPHORYLASE; GLYCOGEN PHOSPHORYLASE
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。

1pyg__assembly_1__model_1

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

下载该曲线 .dat

1pyg__assembly_1__model_1 | I(q)

100 个绘图点；横轴和纵轴均采用对数尺度。

1pyg__assembly_1__model_1 | P(r) · Pending

P(r) 将按相同 assembly/model 分别计算和展示。

Rg（Guinier）	48.63 Å
Rg（电子密度）	47.72 Å
总 Rg	48.06 Å
原子数	26138
残基数	3194
排除体积	464710 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	`1pyg__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 (3)

实体 1 Entity 1 polymer

描述 description	GLYCOGEN PHOSPHORYLASE B
分子量 formula_weight	97291.2 kDa
EC 编号 ec_number	2.4.1.1
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	26214

SRPLSDQEKRKQISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRDHLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEATYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRYEFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQGAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLKDFNVGGYIQAVLDRNLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSKFGCRDPVRTNFDAFPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHTVLPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRMSLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHKFQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDEAFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLLNCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGDVVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGNMKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNAQEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYEEYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVEPSRQRLPAPDEKIP

来源 Source

来源生物 organism	Oryctolagus cuniculus
通用名 common_name	rabbit
NCBI 分类编号 ncbi_taxonomy_id	9986

实体 2 Entity 2 non-polymer

描述 description	ADENOSINE MONOPHOSPHATE
分子量 formula_weight	347.2 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

实体 3 Entity 3 non-polymer

描述 description	PYRIDOXAL-5'-DIPHOSPHATE
分子量 formula_weight	327.1 kDa
来源方法 src_method	syn
拷贝数 entity_count	4

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6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

结构域编号 domain_id	d1pyga_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
超家族 Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
家族 Family family	c.87.1.4 — Oligosaccharide phosphorylase

结构域编号 domain_id	d1pygb_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
超家族 Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
家族 Family family	c.87.1.4 — Oligosaccharide phosphorylase

结构域编号 domain_id	d1pygc_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
超家族 Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
家族 Family family	c.87.1.4 — Oligosaccharide phosphorylase

结构域编号 domain_id	d1pygd_
类 Class class	c — Alpha and beta proteins (a/b)
折叠类型 Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
超家族 Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
家族 Family family	c.87.1.4 — Oligosaccharide phosphorylase

CATH v4.4 (8 domains)

结构域编号 domain_id	1pygA01
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygA02
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygB01
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygB02
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygC01
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygC02
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygD01
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	2000 — Glycogen Phosphorylase B;

结构域编号 domain_id	1pygD02
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	2000 — Glycogen Phosphorylase B;

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7. 引用文献 (8)

Structural basis for the activation of glycogen phosphorylase b by adenosine monophosphate.

Science (1991)

PMID: 1962195 PRIMARY

;Multiple Phosphate Positions in the Catalytic Site of Glycogen Phosphorylase: Structure of the Pyridoxal-5'-Pyrophosphate Coenzyme-Substrate Analog ;

Protein Sci. (1992)

Domain Separation in the Activation of Glycogen Phosphorylase A

Science (1989)

Structural Changes in Glycogen Phosphorylase Induced by Phosphorylation

Nature (1988)

Structure of the Nucleotide Activation Switch in Glycogen Phosphorylase A

Science (1987)

Catalytic Site of Glycogen Phosphorylase: Structural Changes During Activation and Mechanistic Implications

Biochemistry (1982)

;Evidence for Direct Phosphate-Phosphate Interaction between Pyridoxal Phosphate and Substrate in the Glycogen Phosphorylase Catalytic Mechanism ;

J.Biol.Chem. (1981)

The Structure of Glycogen Phosphorylase a at 2.5 Angstroms Resolution

J.Mol.Biol. (1979)

晶胞边长 a length_a	169.900 Å
晶胞边长 b length_b	209.900 Å
晶胞边长 c length_c	123.400 Å
晶胞夹角 α angle_alpha	90.00 °
晶胞夹角 β angle_beta	90.00 °
晶胞夹角 γ angle_gamma	90.00 °
晶胞分子数 Z z_pdb	16

空间群 space_group	P 21 21 2
空间群编号 int_tables_number	18
晶系 crystal_system	—

分辨率 resolution	2.870 Å
最低分辨率 resolution_low	8.000 Å
R 因子 r_factor	—
R_work r_work	0.1850
R_free r_free	—

STRUCTURAL BASIS FOR THE ACTIVATION OF GLYCOGEN PHOSPHORYLASE B BY ADENOSINE MONOPHOSPHATE

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

GLYCOGEN PHOSPHORYLASE B

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

1pyg__assembly_1__model_1

1pyg__assembly_1__model_1 | I(q)

1pyg__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

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 non-polymer

6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. 引用文献 (8)

STRUCTURAL BASIS FOR THE ACTIVATION OF GLYCOGEN PHOSPHORYLASE B BY ADENOSINE MONOPHOSPHATE

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

GLYCOGEN PHOSPHORYLASE B

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

1pyg__assembly_1__model_1

1pyg__assembly_1__model_1 | I(q)

1pyg__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

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 non-polymer

6. 折叠分类 (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. 引用文献 (8)