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Gene: ABO (ABO, alpha 1-3-N-acetylgalactosaminyltransferase and alpha 1-3-galactosyltransferase) Homo sapiens
Symbol: ABO
Name: ABO, alpha 1-3-N-acetylgalactosaminyltransferase and alpha 1-3-galactosyltransferase
Description: Exhibits antigen binding activity; manganese ion binding activity; and nucleotide binding activity. Predicted to be involved in lipid glycosylation. Predicted to localize to the Golgi apparatus and vesicle. Implicated in several diseases, including echinococcosis; gallbladder carcinoma; hemolytic anemia; leukemia (multiple); and pulmonary sarcoidosis.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: A1-specific alpha 1-3-N-acetylgalactosaminyltransferase; A3GALNT; A3GALT1; ABO A3 transferase; ABO blood group (transferase A, alpha 1-3-N-acetylgalactosaminyltransferase, transferase B, alpha 1-3-galactosyltransferase); ABO glycosyltransferase; ABO weak transfer; B(A) alpha-1,3-galactosyltransferase; fucosylglycoprotein; fucosylglycoprotein 3-alpha-galactosyltransferase; fucosylglycoprotein alpha-N-acetylgalactosaminyltransferase; glycoprotein-fucosylgalactoside alpha-galactosyltransferase; glycoprotein-fucosylgalactoside alpha-N-acetylgalactosaminyltransferase; glycosyltransferase A; glycosyltransferase B; GTB; histo-blood group A transferase; histo-blood group A2 transferase; histo-blood group ABO system transferase; histo-blood group B transferase; NAGAT; Transferase; transferase A
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh389133,250,401 - 133,275,201 (-)NCBIGRCh38GRCh38hg38GRCh38
GRCh379136,130,563 - 136,150,630 (-)NCBIGRCh37GRCh37hg19GRCh37
Build 369135,120,384 - 135,140,451 (-)NCBINCBI36hg18NCBI36
Build 349133,160,116 - 133,180,184NCBI
Celera9106,672,476 - 106,692,536 (-)NCBI
Cytogenetic Map9q34.2NCBI
HuRef9105,623,316 - 105,642,515 (-)NCBIHuRef
CHM1_19136,280,691 - 136,300,722 (-)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Molecular Pathway Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status



Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on ABO
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

CRRD Object Information
CRRD ID: 730884
Created: 2003-12-10
Species: Homo sapiens
Last Modified: 2019-11-26
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.