Toggle navigation
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
About
What is Reactome ?
News
Team
Scientific Advisory Board
Funding
Editorial Calendar
Release Calendar
Statistics
Our Logo
License Agreement
Privacy Notice
Disclaimer
Digital Preservation
Contact us
Content
Table of Contents
DOIs
Data Schema
Reactome Research Spotlight
ORCID Integration Project
COVID-19 Disease Pathways
Docs
Userguide
Pathway Browser
How do I search ?
Details Panel
Analysis Tools
Analysis Data
Analysis Gene Expression
Species Comparison
Tissue Distribution
Diseases
Cytomics
Review Status of Reactome Events
ReactomeFIViz
Developer's Zone
Graph Database
Analysis Service
Content Service
Pathways Overview
Pathway Diagrams
Icon Info
EHLD Specs & Guidelines
Icon Library Guidelines
Data Model
Curator Guide
Release Documentation
Computationally inferred events
FAQ
Linking to Us
Citing us
Tools
Pathway Browser
Analyse gene list
Analyse gene expression
Species Comparison
Tissue Distribution
Analysis Service
Content Service
ReactomeFIViz
Advanced Data Search
Site Search
Community
Contribute Pathway Knowledge
Icon Library
Outreach
Events
Publications
Partners
Contributors
Resources Guide
Download
Search ...
Go!
GAA E521K [lysosomal lumen]
Stable Identifier
R-HSA-5357598
Type
Protein [EntityWithAccessionedSequence]
Species
Homo sapiens
Compartment
lysosomal lumen
Synonyms
lysosomal alpha-glucosidase E521K, acid maltase E521K
Icon
Locations in the PathwayBrowser
Expand all
Disease (Homo sapiens)
Diseases of metabolism (Homo sapiens)
Diseases of carbohydrate metabolism (Homo sapiens)
Glycogen storage diseases (Homo sapiens)
Glycogen storage disease type II (GAA) (Homo sapiens)
Defective GAA does not hydrolyze lysosomal glycogen (Homo sapiens)
GAA mutants [lysosomal lumen] (Homo sapiens)
GAA E521K [lysosomal lumen] (Homo sapiens)
Literature References
PubMed ID
Title
Journal
Year
1898413
Identification of a point mutation in the human lysosomal alpha-glucosidase gene causing infantile glycogenosis type II
Kroos, MA
,
Reuser, AJ
,
Hermans, MM
,
Oostra, BA
,
de Graaff, E
,
Wisselaar, HA
Biochem. Biophys. Res. Commun.
1991
External Reference Information
External Reference
UniProt:P10253 GAA
Gene Names
GAA
Chain
signal peptide:1-27, propeptide:28-69, chain:70-952, chain:123-952, chain:204-952
Reference Genes
BioGPS Gene:2548 GAA
COSMIC (genes):GAA GAA
CTD Gene:2548 GAA
dbSNP Gene:2548 GAA
ENSEMBL:ENSG00000171298 GAA
HGNC:4065 GAA
KEGG:hsa:2548 GAA
Monarch:2548 GAA
NCBI Gene:2548 GAA
OMIM:606800 GAA
UCSC:P10253 GAA
Reference Transcript
RefSeq:NM_001079804.2 GAA
RefSeq:XM_005257194.4 GAA
RefSeq:NM_001079803.2 GAA
RefSeq:NM_000152.4 GAA
RefSeq:XM_005257193.2 GAA
Other Identifiers
11716871_at
16838509
202812_PM_at
202812_at
2548
31816_at
3737141
3737142
3737143
3737144
3737145
3737146
3737147
3737148
3737149
3737150
3737151
3737152
3737153
3737154
3737155
3737156
3737157
3737159
3737160
3737161
3737162
3737163
3737164
3737165
3737166
3737167
3737168
3737169
3737170
3737171
3737172
3737174
3737175
8010354
83783_at
A_23_P153026
GE59804
GO:0000023
GO:0002026
GO:0002086
GO:0003007
GO:0003012
GO:0003016
GO:0003824
GO:0004553
GO:0004558
GO:0005576
GO:0005764
GO:0005765
GO:0005773
GO:0005886
GO:0005975
GO:0005977
GO:0005980
GO:0005985
GO:0006006
GO:0006091
GO:0006914
GO:0006941
GO:0007040
GO:0007626
GO:0009888
GO:0016020
GO:0016787
GO:0016798
GO:0030246
GO:0035577
GO:0035904
GO:0043181
GO:0043202
GO:0043226
GO:0043231
GO:0046716
GO:0048856
GO:0050877
GO:0050884
GO:0050885
GO:0060048
GO:0061723
GO:0070062
GO:0070821
GO:0090599
GO:0101003
GO:0120282
HMNXSV003034469
ILMN_1765801
ILMN_2410783
PH_hs_0000195
TC17000915.hg
X55079_rna1_at
g11496988_3p_at
Participates
as a member of
GAA mutants [lysosomal lumen] (Homo sapiens)
Other forms of this molecule
GAA [tertiary granule membrane]
GAA [plasma membrane]
GAA [azurophil granule membrane]
GAA [ficolin-1-rich granule membrane]
GAA (123-?) [lysosomal lumen]
GAA (204-?) [lysosomal lumen]
GAA M318T [lysosomal lumen]
Modified Residues
Name
L-glutamic acid 521 replaced with L-lysine
Coordinate
521
PsiMod
L-lysine residue [MOD:00021]
A protein modification that effectively converts a source amino acid residue to L-lysine.
L-glutamic acid removal [MOD:01636]
A protein modification that effectively removes or replaces an L-glutamic acid.
Disease
Name
Identifier
Synonyms
glycogen storage disease II
DOID:2752
Lysosomal alpha-1,4-glucosidase deficiency (disorder), deficiency of glucoamylase, glycogen storage disease type II, acid maltase deficiency, deficiency of maltase, Glycogen storage disease, type II (disorder), Pompe's disease, Generalized glycogenosis (disorder), Glycogenosis, type 2
Cross References
Guide to Pharmacology - Targets
2611
OpenTargets
ENSG00000171298
ENSEMBL
ENST00000577106
,
ENST00000707781
,
ENSP00000305692
,
ENST00000390015
,
ENSG00000171298
,
ENSP00000374665
,
ENST00000570803
,
ENST00000707779
,
ENSP00000516982
,
ENSP00000458306
,
ENSG00000291507
,
ENSP00000516980
,
ENST00000302262
,
ENSP00000460543
ZINC - FDA approved
LYAG_HUMAN
ZINC - Substances
LYAG_HUMAN
ZINC - Biogenic
LYAG_HUMAN
ZINC target
P10253
PRO
P10253
GlyGen
P10253
PDB
5NN8
,
5KZX
,
5NN3
,
5NN4
,
5NN6
,
5NN5
,
7P2Z
,
5KZW
,
7P32
ZINC - Metabolites
LYAG_HUMAN
IntEnz
3.2.1.20
HPA
ENSG00000171298-GAA
GeneCards
GAA
Pharos - Targets
P10253
Orphanet
GAA
ZINC - Predictions - Purchasable
LYAG_HUMAN
HMDB Protein
HMDBP01817
Interactors (3)
Accession
#Entities
Entities
Confidence Score
Evidence (IntAct)
UniProt:Q8NBL1 POGLUT1
1
POGLUT1 [endoplasmic reticulum lumen]
(R-HSA-1464796)
0.527
2
UniProt:Q86XF0 DHFR2
1
DHFR2 [cytosol]
(R-HSA-2975816)
0.527
2
UniProt:Q9UBV7 B4GALT7
4
B4GALT7 A186D [Golgi membrane]
(R-HSA-3621785)
B4GALT7 L206P [Golgi membrane]
(R-HSA-3621790)
B4GALT7 R270C [Golgi membrane]
(R-HSA-3621734)
B4GALT7 [Golgi membrane]
(R-HSA-1889950)
0.527
2
© 2025
Reactome
Cite Us!
Cite Us!
Cite Us!
Warning!
Unable to extract citation. Please try again later.
Download As:
BibTeX
RIS
Text