rs27044

Positions:

• chr5-96783148-G-A
• chr5-96783148-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001040458.3(ERAP1):​c.2188C>T​(p.Gln730*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 32)
• Consequence: ERAP1 NM_001040458.3 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.778

Genes affected

ERAP1 (HGNC:18173): (endoplasmic reticulum aminopeptidase 1) The protein encoded by this gene is an aminopeptidase involved in trimming HLA class I-binding precursors so that they can be presented on MHC class I molecules. The encoded protein acts as a monomer or as a heterodimer with ERAP2. This protein may also be involved in blood pressure regulation by inactivation of angiotensin II. Three transcript variants encoding two different isoforms have been found for this gene.[provided by RefSeq, Oct 2010]

ERAP1 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ERAP1	NM_001040458.3	c.2188C>T	p.Gln730*	stop_gained	15/19	ENST00000443439.7	NP_001035548.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ERAP1	ENST00000443439.7	c.2188C>T	p.Gln730*	stop_gained	15/19	1	NM_001040458.3	ENSP00000406304.2
ERAP1	ENST00000296754.7	c.2188C>T	p.Gln730*	stop_gained	15/20	1		ENSP00000296754.3
ERAP1	ENST00000514604.5	n.612C>T		non_coding_transcript_exon_variant	5/6	5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 53

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.42	D
BayesDel_noAF	Pathogenic	0.36
CADD	Pathogenic	36
DANN	Uncertain	1.0
Eigen	Uncertain	0.42
Eigen_PC	Uncertain	0.22
FATHMM_MKL	Benign	0.25	N
Vest4		0.78
GERP RS		4.8

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.020		Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs27044; hg19: chr5-96118852;