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APBA2 - amyloid beta precursor protein binding family A member 2 Gene

Also Known as X11L; MINT2; LIN-10; HsT16821; X11-BETA; D15S1518E; MGC:14091

Species: Homo sapiens

Gene Type: protein coding

Gene ID: 321

About APBA2

Cytogenetic location: 15q13.1 Genomic coordinates (GRCh38): 15:28,885,974-29,118,315 (from NCBI)

This gene has 13 transcripts (splice variants), 1 gene allele, 267 orthologues and 4 paralogues. Biased expression in brain (RPKM 16.8), spleen (RPKM 2.5) and 4 other tissues.

Summary

The protein encoded by this gene is a member of the X11 protein family. It is a neuronal adapter protein that interacts with the Alzheimer's disease amyloid precursor protein (APP). It stabilizes APP and inhibits production of proteolytic APP fragments including the A beta peptide that is deposited in the brains of Alzheimer's disease patients. This gene product is believed to be involved in signal transduction processes. It is also regarded as a putative vesicular trafficking protein in the brain that can form a complex with the potential to couple synaptic vesicle exocytosis to neuronal cell adhesion. [provided by RefSeq, Jul 2017]

APBA2 Products (13)

mRNA	Protein	Name
NM_001130414.1	NP_001123886.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform b
NM_001353788.2	NP_001340717.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform a
NM_001353789.2	NP_001340718.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform a
NM_001353790.2	NP_001340719.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform a
NM_001353791.2	NP_001340720.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform a
NM_001353792.2	NP_001340721.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform b
NM_001353793.2	NP_001340722.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform b
NM_001353794.2	NP_001340723.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform b
NM_001353795.2	NP_001340724.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform c
NM_001353796.2	NP_001340725.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform d
NM_001353797.2	NP_001340726.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform e
NM_001379685.1	NP_001366614.1	amyloid-beta A4 precursor protein-binding family A member 2 isoform a
NM_005503.3	NP_005494.2	amyloid-beta A4 precursor protein-binding family A member 2 isoform a

Gene Ontology

Molecular Function

Molecular Function GO Annotation	Evidence	References	Source
enables identical protein binding	IPI IPI: Inferred from physical interaction	29578633	GOA
enables protein binding	IPI IPI: Inferred from physical interaction	10833507	GOA

EXP: Inferred from Experiment IDA: Inferred from direct assay IPI: Inferred from physical interaction IMP: Inferred from mutant phenotype IGI: Inferred from genetic interaction IEP: Inferred from expression pattern

APBA2 Protein Structure

PID

PDZ

0
200
400
600
749 a.a.

Protein Preferred Names	Protein Names
amyloid-beta A4 precursor protein-binding family A member 2	X11-like protein

APBA2 Protein-protein interaction Information

Type	Protein Name	Protein ID	Interactor	Interactor Species	Interactor ID	Detection Method	References
Intra	APBA2	Q99767	CLSTN1	Homo sapiens	O94985	FPS	29578633
Intra	APBA2	Q99767	APEX2	Homo sapiens	Q9UBZ4	Y2H Fragment Pooling	31413325
Intra	APBA2	Q99767	APP	Homo sapiens	P05067	FPS	29578633
Intra	APBA2	Q99767	APP	Homo sapiens	P05067	Y2H Fragment Pooling	31413325
Intra	APBA2	Q99767	IQSEC1	Homo sapiens	Q6DN90	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	DMWD	Homo sapiens	Q09019	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	APBA1	Homo sapiens	Q02410	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	ZNF518A	Homo sapiens	Q6AHZ1	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	AAGAB	Homo sapiens	Q6PD74	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	AAGAB	Homo sapiens	Q6PD74	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	USP20	Homo sapiens	Q9Y2K6	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	HERC2	Homo sapiens	O95714	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	USP20	Homo sapiens	Q9Y2K6	Anti Tag CoIP	28514442
Intra	APBA2	Q99767	HERC2	Homo sapiens	O95714	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	APBA2	Homo sapiens	Q99767	FPS	29578633
Intra	APBA2	Q99767	IQSEC1	Homo sapiens	Q6DN90	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	DMWD	Homo sapiens	Q09019	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	APBA1	Homo sapiens	Q02410	Anti Tag CoIP	33961781
Intra	APBA2	Q99767	ZNF518A	Homo sapiens	Q6AHZ1	Anti Tag CoIP	33961781

Cross: Cross-species interaction Intra: Intraspecies interaction

Related Diseases

Diseases	Alias
Chromosome 15q13.3 Deletion Syndrome	Chromosome 15q13.3 Microdeletion Syndrome 15q13.3 Microdeletion Syndrome 15q13.3 Microdeletion Microdeletion 15q13.3 Syndrome Del(15)(Q13.3) Monosomy 15q13.3
Alzheimer Disease, Familial, 1	Alzheimer Disease Alzheimer'S Disease Presenile And Senile Dementia AD1 Alzheimer Disease, Susceptibility To Alzheimer Disease, Late-Onset, Susceptibility To Alzheimer Disease 1, Familial AD Familial Alzheimer Disease Alzheimer Disease, Late-Onset Alzheimers Dementia Alzheimer Dementia Alzheimer Sclerosis Alzheimer Syndrome Alzheimer-Type Dementia Dat Primary Senile Degenerative Dementia Sdat Alzheimer Disease 1 Autosomal Dominant Alzheimer Disease Early-Onset Alzheimer Disease With Cerebral Amyloid Angiopathy Late Onset Alzheimer Disease Alzheimers Disease Alzheimer Disease, Early-Onset, With Cerebral Amyloid Angiopathy Late-Onset Alzheimers Disease Alzheimer'S Disease Pathway Kegg Dementia Due To Alzheimer'S Disease Alzheimer Disease Type 1 Alzheimers

Diseases	Alias
Waldenstroem'S Macroglobulinemia	Waldenstroem'S Macroglobulinemia Waldenstroem'S Macroglobulinemia Macroglobulinemia Of Waldenstrom Lymphoplasmacytic Lymphoma With Igm Gammopathy Lymphoplasmacytic Lymphoma Waldenstroem'S Macroglobulinemia Waldenstroem'S Macroglobulinemia Macroglobulinemia Of Waldenstrom Lymphoplasmacytic Lymphoma With Igm Gammopathy Lymphoplasmacytic Lymphoma

Related Agents

Pre-clinical Phase

Pre-clinical Phase

Bioactive Molecules (3)

Cat. No.	Product Name	Effect	Purity	Rare Diseases
HY-RS00803	APBA2 Human Pre-designed siRNA Set A	Pre-designed Set	/	Unkown
HY-RS22391	Apba2 Mouse Pre-designed siRNA Set A	Pre-designed Set	/	Unkown
HY-RS28915	Apba2 Rat Pre-designed siRNA Set A	Pre-designed Set	/	Unkown

Orthologs Information

Species	Symbol	Source	ID
Rattus norvegicus	APBA2	RGD	RGD:620845
Felis catus	APBA2	VGNC	VGNC:67734
Macaca mulatta	APBA2	VGNC	VGNC:69977
Bos taurus	APBA2	VGNC	VGNC:26001
Canis familiaris	APBA2	VGNC	VGNC:37975
Mus musculus	APBA2	MGD	MGI:1261791
Others	APBA2	NCBI