1. Gene
  2. A1BG - alpha-1-B glycoprotein Gene

A1BG - alpha-1-B glycoprotein Gene

Homo sapiens

Also known as A1B; ABG; GAB; HYST2477

Gene ID: 1 | Gene type: protein coding

About A1BG

Cytogenetic location: 19q13.43 Genomic coordinates (GRCh38): 19:58,345,183-58,353,492 (from NCBI)

This gene has 5 transcripts (splice variants), 232 orthologues and 25 paralogues.


The protein encoded by this gene is a plasma glycoprotein of unknown function. The protein shows sequence similarity to the variable regions of some immunoglobulin supergene family member proteins. [provided by RefSeq, Jul 2008]

A1BG Products(1)

mRNA Protein Name
NM_130786.4 NP_570602.2 alpha-1B-glycoprotein precursor

A1BG Protein Structure


Ig_2: Immunoglobulin domain (29 - 111)


Ig_2: Immunoglobulin domain (118 - 201)


Ig_2: Immunoglobulin domain (217 - 300)


Ig_2: Immunoglobulin domain (313 - 396)


Ig_2: Immunoglobulin domain (403 - 492)

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  • 200
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  • 400
  • 495 a.a.
Protein Preferred Names Protein Names



Recombinant A1BG Proteins

Cat. No. Product Name Accession Purity
HY-P75544 A1BG/Alpha-1B-Glycoprotein Protein, Human (HEK293, His) P04217-1 (A22-S495) ≥95%

Orthologs Information

Species Symbol Source ID
Rattus norvegicus A1BG RGD RGD:69417
Felis catus A1BG VGNC VGNC:67591
Macaca mulatta A1BG VGNC VGNC:69569
Bos taurus A1BG VGNC VGNC:25433
Canis familiaris A1BG VGNC VGNC:37398
Mus musculus A1BG MGD MGI:2152878
Others A1BG NCBI