PYGL - glycogen phosphorylase L Gene
Also Known as GSD6
Species: Homo sapiens
About PYGL
This gene has 7 transcripts (splice variants), 208 orthologues, 2 paralogues and is associated with 3 phenotypes. Broad expression in fat (RPKM 75.5), bone marrow (RPKM 44.9) and 16 other tissues.
Summary
This gene encodes a homodimeric protein that catalyses the cleavage of alpha-1,4-glucosidic bonds to release glucose-1-phosphate from liver glycogen stores. This protein switches from inactive Phosphorylase B to active Phosphorylase A by phosphorylation of serine residue 15. Activity of this enzyme is further regulated by multiple allosteric effectors and hormonal controls. Humans have three glycogen Phosphorylase genes that encode distinct isozymes that are primarily expressed in liver, brain and muscle, respectively. The liver isozyme serves the glycemic demands of the body in general while the brain and muscle isozymes supply just those tissues. In glycogen storage disease type VI, also known as Hers disease, mutations in liver glycogen Phosphorylase inhibit the conversion of glycogen to glucose and results in moderate hypoglycemia, mild ketosis, growth retardation and hepatomegaly. Alternative splicing results in multiple transcript variants encoding different isoforms.[provided by RefSeq, Feb 2011]
PYGL Products (2)
| mRNA | Protein | Name |
|---|---|---|
| NM_001163940.2 | NP_001157412.1 | glycogen phosphorylase, liver form isoform 2 |
| NM_002863.5 | NP_002854.3 | glycogen phosphorylase, liver form isoform 1 |
| Molecular Function GO Annotation | Evidence | References | Source |
|---|---|---|---|
| enables AMP binding |
IDA
IDA: Inferred from direct assay
|
10949035 | GOA |
| enables ATP binding |
IDA
IDA: Inferred from direct assay
|
10949035 | GOA |
| enables D-glucose binding |
IDA
IDA: Inferred from direct assay
|
10980448 | GOA |
| enables bile acid binding |
IDA
IDA: Inferred from direct assay
|
12204691 | GOA |
| enables glycogen phosphorylase activity |
IDA
IDA: Inferred from direct assay
|
22225877 | GOA |
| enables glycogen phosphorylase activity |
IMP
IMP: Inferred from mutant phenotype
|
9529348 | GOA |
| enables identical protein binding |
IPI
IPI: Inferred from physical interaction
|
10980448 | GOA |
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
25416956 | GOA |
| enables purine nucleobase binding |
IDA
IDA: Inferred from direct assay
|
12204691 | GOA |
| enables vitamin binding |
IDA
IDA: Inferred from direct assay
|
12204691 | GOA |
| Biological Process GO Annotation | Evidence | References | Source |
|---|---|---|---|
| involved in glucose homeostasis |
IMP
IMP: Inferred from mutant phenotype
|
17705025 | GOA |
| involved in glycogen metabolic process |
IMP
IMP: Inferred from mutant phenotype
|
10980448 | GOA |
PYGL Protein Structure
Phosphorylase: Carbohydrate phosphorylase (112 - 830)
- 0
- 200
- 400
- 600
- 800
- 847 a.a.
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
glycogen phosphorylase, liver form |
|
PYGL Protein-protein interaction Information
|
Type
|
Protein Name | Protein ID | Interactor | Interactor Species | Interactor ID | Detection Method | References |
|---|---|---|---|---|---|---|---|
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 25910212 | |
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 25910212 | |
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 25910212 | |
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 32296183 | |
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 32296183 | |
|
Intra
|
PYGL | P06737 | PYGB | Homo sapiens | P11216 | 32296183 | |
|
Intra
|
PYGL | P06737 | PYGM | Homo sapiens | P11217 | 32296183 | |
|
Intra
|
PYGL | P06737 | PYGM | Homo sapiens | P11217 | 32296183 | |
|
Intra
|
PYGL | P06737 | PYGM | Homo sapiens | P11217 | 32296183 |
Related Diseases
| Diseases | Alias | |
|---|---|---|
| Glycogen Storage Disease Vi |
|
|
| Glycogen Storage Disease |
|
|
| Hypoglycemia |
|
|
| Glycogen Storage Disease Ix |
|
|
| Glycogen Storage Disease Ixb |
|
|
| Glycogen Storage Disease Ixa |
|
|
| Glycogen Storage Disease V |
|
|
| Amyotrophic Lateral Sclerosis 1 |
|
|
Orthologs Information
| Species | Symbol | Source | ID |
|---|---|---|---|
| Mus musculus | PYGL | MGD | MGI:97829 |
| Felis catus | PYGL | VGNC | VGNC:69193 |
| Macaca mulatta | PYGL | VGNC | VGNC:76632 |
| Bos taurus | PYGL | VGNC | VGNC:33588 |
| Rattus norvegicus | PYGL | RGD | RGD:620687 |
| Canis familiaris | PYGL | VGNC | VGNC:45225 |
| Others | PYGL | NCBI |