Genetic Variant RAG1:n.312C>A (chr11-36511020-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000529126.5(RAG1):n.312C>A variant causes a non coding transcript exon change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,116 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

RAG1
ENST00000529126.5 non_coding_transcript_exon

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.295

Publications

3 publications found

Variant links:

Genes affected

RAG1 (HGNC:9831): (recombination activating 1) The protein encoded by this gene is involved in activation of immunoglobulin V-D-J recombination. The encoded protein is involved in recognition of the DNA substrate, but stable binding and cleavage activity also requires RAG2. Defects in this gene can be the cause of several diseases. [provided by RefSeq, Jul 2008]

RAG1 Gene-Disease associations (from GenCC):

immunodeficiency disease
Inheritance: AR Classification: DEFINITIVE Submitted by: Ambry Genetics
Omenn syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, G2P, Genomics England PanelApp, Ambry Genetics
recombinase activating gene 1 deficiency
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
severe combined immunodeficiency, autosomal recessive, T cell-negative, B cell-negative, NK cell-positive
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Ambry Genetics, Labcorp Genetics (formerly Invitae)
combined immunodeficiency due to partial RAG1 deficiency
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

RAG1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.79).

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	Protein
RAG1	NM_001440489.1 link	c.-33C>A	5_prime_UTR_variant	Exon 1 of 2	NP_001427418.1
RAG1	NM_001377277.1 link	c.-289+483C>A	intron_variant	Intron 1 of 4	NP_001364206.1
RAG1	NM_001377278.1 link	c.-227+483C>A	intron_variant	Intron 1 of 3	NP_001364207.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	Protein	UniProt
RAG1	ENST00000529126.5 link	n.312C>A	non_coding_transcript_exon_variant	Exon 1 of 3	3
RAG1	ENST00000697713.1 link	c.-131+483C>A	intron_variant	Intron 1 of 2		ENSP00000513411.1	P15918-1
RAG1	ENST00000697714.1 link	c.-15+483C>A	intron_variant	Intron 1 of 1		ENSP00000513412.1	P15918-1
RAG1	ENST00000697715.1 link	c.-289+483C>A	intron_variant	Intron 1 of 4		ENSP00000513413.1	P15918-1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152116

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000242

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152116

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74304

show subpopulations

African (AFR)

AF:

0.0000242

AC:

AN:

41372

American (AMR)

AF:

0.00

AC:

AN:

15270

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.675

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

99927

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.79

CADD

Benign

3.1

(source)

DANN

Benign

0.51

PhyloP100

0.29

Splicing

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over