APOB

This page contains an overview of the genetic variation in the APOB gene, including its role in inherited cardiac disease. For more details, click on the links below, or for a specific variant, enter the HGVS variant here:

APOB gene and transcript details

Gene Name
apolipoprotein B (including Ag(x) antigen)

Gene Links
Ensembl: ENSG00000084674 - Locus Reference Genomic:

Genomic Location
Chromosome 2 : 21,224,602 - 21,266,817 (reverse strand)
View in: Ensembl - UCSC Genome Browser


Canonical Seqs Transcript (13689 bases)Protein (4563 aa)
ENST00000233242 ENSP00000233242
NM_000384.2
P04114

Summary of APOB in Cardiomyopathies


APOB variants in ExAC

Details of the protein-altering APOB variants (missense, loss of function truncating, inframe indels and splice site regions) found in the ExAC database are shown below. To view lists of specific variants with links to detailed population frequency data, click on the variant numbers - for all or a particular variant class.

Total VariantsCombined frequency of rare variants
All Variants17800.02652
Truncating670.00077
Missense16490.02499
Inframe90.00005
Splice Site550.00071

Rare variants are defined as having a mean allelic frequency of less than 0.0001.