3e3n

The Glycogen phosphorylase b R state- AMP complex

Method: X-RAY DIFFRACTION

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Glycogen phosphorylase, muscle form

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE MONOPHOSPHATE × 2 SULFATE ION × 4 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE MONOPHOSPHATE × 2 SULFATE ION × 4 water × 2	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE MONOPHOSPHATE × 2 SULFATE ION × 4 water × 2	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 2	ADENOSINE MONOPHOSPHATE × 2 SULFATE ION × 4 water × 2	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 4	ADENOSINE MONOPHOSPHATE × 4 SULFATE ION × 8 water × 4	Consistent with protein count
6	Protein homooligomer	Homooligomer	Protein 4	ADENOSINE MONOPHOSPHATE × 4 SULFATE ION × 8 water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PYGM_RABIT
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–842； UniProt 2–843 Author chain B； PDBConstruct 1–842； UniProt 2–843 Author chain C； PDBConstruct 1–842； UniProt 2–843 Author chain D； PDBConstruct 1–842； UniProt 2–843 Author chain E； PDBConstruct 1–842； UniProt 2–843 Author chain F； PDBConstruct 1–842； UniProt 2–843 Author chain G； PDBConstruct 1–842； UniProt 2–843 Author chain H； PDBConstruct 1–842； UniProt 2–843

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	3e3n
Deposition date deposition_date	2008-08-07
Structure title title	The Glycogen phosphorylase b R state- AMP complex
Keywords keywords	;GLYCOGENOLYSIS, INHIBITION, TYPE 2 DIABETES, Allosteric enzyme, Carbohydrate metabolism, Glycogen metabolism, Glycosyltransferase, Nucleotide-binding, Phosphoprotein, Pyridoxal phosphate, Transferase ;; TRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

3e3n__assembly_1__model_1

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

Download this curve (.dat)

3e3n__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3e3n__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	39.74 Å
Rg (electron density)	39.37 Å
Total Rg	39.73 Å
Atom count	13343
Residues	1627
Excluded volume	237170 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3e3n__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3e3n__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`3e3n__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`3e3n__assembly_4__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`3e3n__assembly_5__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download
6	1	`3e3n__assembly_6__model_1`	tetrameric （4）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Glycogen phosphorylase, muscle form
Molecular weight formula_weight	97519.3 kDa
EC 编号 ec_number	2.4.1.1
Source method src_method	nat
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	53512

SRPLSDQEKRKQISVRGLAGVENVTELKKNFNRHLHFTLVKDRNVATPRDYYFALAHTVRDHLVGRWIRTQQHYYEKDPKRIYYLSLEFYMGRTLQNTMVNLALENACDEATYQLGLDMEELEEIEEDAGLGNGGLGRLAACFLDSMATLGLAAYGYGIRYEFGIFNQKICGGWQMEEADDWLRYGNPWEKARPEFTLPVHFYGRVEHTSQGAKWVDTQVVLAMPYDTPVPGYRNNVVNTMRLWSAKAPNDFNLKDFNVGGYIQAVLDRNLAENISRVLYPNDNFFEGKELRLKQEYFVVAATLQDIIRRFKSSKFGCRDPVRTNFDAFPDKVAIQLNDTHPSLAIPELMRVLVDLERLDWDKAWEVTVKTCAYTNHTVLPEALERWPVHLLETLLPRHLQIIYEINQRFLNRVAAAFPGDVDRLRRMSLVEEGAVKRINMAHLCIAGSHAVNGVARIHSEILKKTIFKDFYELEPHKFQNKTNGITPRRWLVLCNPGLAEIIAERIGEEYISDLDQLRKLLSYVDDEAFIRDVAKVKQENKLKFAAYLEREYKVHINPNSLFDVQVKRIHEYKRQLLNCLHVITLYNRIKKEPNKFVVPRTVMIGGKAAPGYHMAKMIIKLITAIGDVVNHDPVVGDRLRVIFLENYRVSLAEKVIPAADLSEQISTAGTEASGTGNMKFMLNGALTIGTMDGANVEMAEEAGEENFFIFGMRVEDVDRLDQRGYNAQEYYDRIPELRQIIEQLSSGFFSPKQPDLFKDIVNMLMHHDRFKVFADYEEYVKCQERVSALYKNPREWTRMVIRNIATSGKFSSDRTIAQYAREIWGVEPSRQRLPAPDEKIP

Entity 2 Entity 2 non-polymer

Description description	ADENOSINE MONOPHOSPHATE
Molecular weight formula_weight	347.2 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	16

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	350

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6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d3e3na_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3nb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3nc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3nd_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3ne_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3nf_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3ng_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

Domain ID domain_id	d3e3nh_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.87 — UDP-Glycosyltransferase/glycogen phosphorylase
Superfamily Superfamily superfamily	c.87.1 — UDP-Glycosyltransferase/glycogen phosphorylase
Family Family family	c.87.1.4 — Oligosaccharide phosphorylase

CATH v4.4 (16 domains)

Domain ID domain_id	3e3nA01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nA02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nB01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nB02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nC01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nC02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nD01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nD02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nE01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nE02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nF01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nF02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nG01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nG02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nH01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

Domain ID domain_id	3e3nH02
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2000 — Glycogen Phosphorylase B;

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Unit-cell length a length_a	119.019 Å
Unit-cell length b length_b	188.079 Å
Unit-cell length c length_c	175.913 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	108.92 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	29.790 Å
R factor r_factor	0.1952
R_work r_work	0.1919
R_free r_free	0.2561

The Glycogen phosphorylase b R state- AMP complex

1. Protein Identity and Related Structures Protein Identity & Related Structures

Glycogen phosphorylase, muscle form

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3e3n__assembly_1__model_1

3e3n__assembly_1__model_1 | I(q)

3e3n__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

CATH v4.4 (16 domains)

7. Citations (1)

The Glycogen phosphorylase b R state- AMP complex

1. Protein Identity and Related Structures Protein Identity & Related Structures

Glycogen phosphorylase, muscle form

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

3e3n__assembly_1__model_1

3e3n__assembly_1__model_1 | I(q)

3e3n__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 24 domains

SCOP 2.08 (8 domains)

CATH v4.4 (16 domains)

7. Citations (1)