Gene Gene information from NCBI Gene database.
Entrez ID 4128
Gene name Monoamine oxidase A
Gene symbol MAOA
Synonyms (NCBI Gene)
BRNRSMAO-A
Chromosome X
Chromosome location Xp11.3
Summary This gene is one of two neighboring gene family members that encode mitochondrial enzymes which catalyze the oxidative deamination of amines, such as dopamine, norepinephrine, and serotonin. Mutation of this gene results in Brunner syndrome. This gene has
SNPs SNP information provided by dbSNP.
7
SNP ID Visualize variation Clinical significance Consequence
rs72554632 C>T Pathogenic Coding sequence variant, stop gained
rs138703731 G>A Likely-benign, conflicting-interpretations-of-pathogenicity, benign Coding sequence variant, synonymous variant
rs587777457 G>T Pathogenic Missense variant, coding sequence variant
rs796065311 ->T Pathogenic Frameshift variant, coding sequence variant
rs796065312 C>T Pathogenic Missense variant, 5 prime UTR variant, coding sequence variant
miRNA miRNA information provided by mirtarbase database.
156
miRTarBase ID miRNA Experiments Reference
MIRT005902 hsa-miR-22-3p Luciferase reporter assayMicroarray 21168126
MIRT1127569 hsa-miR-1202 CLIP-seq
MIRT1127570 hsa-miR-1255a CLIP-seq
MIRT1127571 hsa-miR-1255b CLIP-seq
MIRT1127572 hsa-miR-197 CLIP-seq
Transcription factors Transcription factors information provided by TRRUST V2 database.
2
Transcription factor Regulation Reference
NHLH2 Activation 22169038
NR3C1 Unknown 16728402
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
23
GO ID Ontology Definition Evidence Reference
GO:0005515 Function Protein binding IPI 28514442, 30021884, 33961781
GO:0005739 Component Mitochondrion HDA 20833797
GO:0005739 Component Mitochondrion HTP 34800366
GO:0005739 Component Mitochondrion IBA
GO:0005739 Component Mitochondrion IDA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
309850 6833 ENSG00000189221
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
P21397
Protein name Amine oxidase [flavin-containing] A (EC 1.4.3.21) (EC 1.4.3.4) (Monoamine oxidase type A) (MAO-A)
Protein function Catalyzes the oxidative deamination of primary and some secondary amine such as neurotransmitters, with concomitant reduction of oxygen to hydrogen peroxide and has important functions in the metabolism of neuroactive and vasoactive amines in th
PDB 2BXR , 2BXS , 2Z5X , 2Z5Y
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF01593 Amino_oxidase 23 460 Flavin containing amine oxidoreductase Domain
Tissue specificity TISSUE SPECIFICITY: Heart, liver, duodenum, blood vessels and kidney.
Sequence
Sequence length 527
Interactions View interactions
Pathways Pathway information has different metabolic/signaling pathways associated with genes.
  KEGG  Reactome
  Glycine, serine and threonine metabolism
Arginine and proline metabolism
Histidine metabolism
Tyrosine metabolism
Phenylalanine metabolism
Tryptophan metabolism
Drug metabolism - cytochrome P450
Metabolic pathways
Serotonergic synapse
Dopaminergic synapse
Parkinson disease
Cocaine addiction
Amphetamine addiction
Alcoholism
  Biogenic amines are oxidatively deaminated to aldehydes by MAOA and MAOB
Norepinephrine Neurotransmitter Release Cycle
Enzymatic degradation of dopamine by COMT
Enzymatic degradation of Dopamine by monoamine oxidase
Metabolism of serotonin
Defective MAOA causes Brunner syndrome (BRUNS)
Interleukin-4 and Interleukin-13 signaling
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
35
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Antisocial behavior, susceptibility to Pathogenic rs1346551029 RCV000010646
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Autism, severe Pathogenic rs1346551029 RCV000010647
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Brunner syndrome Pathogenic; Likely pathogenic rs2147107556, rs587777457, rs796065312, rs796065311, rs72554632, rs2519132239, rs1135401773, rs2033551253 RCV001388308
RCV000128399
RCV000190424
RCV000190423
RCV000010645
View all (3 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
ALZHEIMERS DISEASE Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
ANTISOCIAL PERSONALITY DISORDER CTD, Disgenet
CTD, Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTISM SPECTRUM DISORDERS Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
AUTISTIC DISORDER CTD, Disgenet
CTD, Disgenet
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Abnormal involuntary movement Abnormal Involuntary Movement BEFREE 15261699
★☆☆☆☆
Found in Text Mining only
Acute lymphocytic leukemia Lymphocytic Leukemia BEFREE 10360674
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma Adenocarcinoma BEFREE 29844571, 30259128
★☆☆☆☆
Found in Text Mining only
Adenocarcinoma of prostate Prostate adenocarcinoma BEFREE 29844571
★☆☆☆☆
Found in Text Mining only
Adrenal Gland Pheochromocytoma Adrenal Gland Pheochromocytoma BEFREE 22569243
★☆☆☆☆
Found in Text Mining only
Agoraphobia Agoraphobia BEFREE 15670397
★☆☆☆☆
Found in Text Mining only
Akinetic-Rigid Variant of Huntington Disease Akinetic-Rigid Variant Of Huntington Disease CTD_human_DG 21075085
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 18454435, 26417591 Associate
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease, Late Onset Alzheimer disease BEFREE 16186632
★☆☆☆☆
Found in Text Mining only
Amyloidosis Amyloidosis BEFREE 27163814
★☆☆☆☆
Found in Text Mining only