Genetic Variant RETREG1:p.Pro6Pro (chr5-16616954-A-G) – ACMG Classification: Benign (-9 pts)

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 2P and 11B. PM2BP4_StrongBP6_ModerateBP7BS1

The NM_001034850.3(RETREG1):c.18T>C(p.Pro6Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000396 in 1,438,148 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. P6P) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000037 ( 0 hom. )

Consequence

RETREG1
NM_001034850.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.593

Publications

0 publications found

Variant links:

Genes affected

RETREG1 (HGNC:25964): (reticulophagy regulator 1) The protein encoded by this gene is a cis-Golgi transmembrane protein that may be necessary for the long-term survival of nociceptive and autonomic ganglion neurons. Mutations in this gene are a cause of hereditary sensory and autonomic neuropathy type IIB (HSAN IIB), and this gene may also play a role in susceptibility to vascular dementia. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Nov 2011]

RETREG1 links:

RETREG1-AS1 (HGNC:55551): (RETREG1 antisense RNA 1)

RETREG1-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.81).

BP6

Variant 5-16616954-A-G is Benign according to our data. Variant chr5-16616954-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 702107.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=-0.593 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAdExome4 allele frequency = 0.0000373 (48/1286426) while in subpopulation AFR AF = 0.000193 (5/25910). AF 95% confidence interval is 0.0000753. There are 0 homozygotes in GnomAdExome4. There are 30 alleles in the male GnomAdExome4 subpopulation. Median coverage is 29. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RETREG1	NM_001034850.3 link	c.18T>C	p.Pro6Pro	synonymous_variant	Exon 1 of 9	ENST00000306320.10	NP_001030022.1	Q9H6L5-1
RETREG1	XM_011514053.4 link	c.18T>C	p.Pro6Pro	synonymous_variant	Exon 1 of 10		XP_011512355.1
RETREG1-AS1	NR_109946.1 link	n.561+468A>G		intron_variant	Intron 1 of 3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RETREG1	ENST00000306320.10 link	c.18T>C	p.Pro6Pro	synonymous_variant	Exon 1 of 9	1	NM_001034850.3	ENSP00000304642.9		Q9H6L5-1

Frequencies

GnomAD3 genomes

AF:

0.0000594

AC:

AN:

151614

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000968

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000589

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000601

AC:

AN:

66608

AF XY:

0.000103

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000804

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000373

AC:

AN:

1286426

Hom.:

Cov.:

AF XY:

0.0000474

AC XY:

AN XY:

632624

show subpopulations

African (AFR)

AF:

0.000193

AC:

AN:

25910

American (AMR)

AF:

0.00

AC:

AN:

23330

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22018

East Asian (EAS)

AF:

0.000108

AC:

AN:

27854

South Asian (SAS)

AF:

0.000103

AC:

AN:

68060

European-Finnish (FIN)

AF:

0.000157

AC:

AN:

31942

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3816

European-Non Finnish (NFE)

AF:

0.0000262

AC:

AN:

1030474

Other (OTH)

AF:

0.0000189

AC:

AN:

53022

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000593

AC:

AN:

151722

Hom.:

Cov.:

AF XY:

0.0000540

AC XY:

AN XY:

74140

show subpopulations

African (AFR)

AF:

0.0000965

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15246

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5122

South Asian (SAS)

AF:

0.000207

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10424

Middle Eastern (MID)

AF:

0.00

AC:

AN:

292

European-Non Finnish (NFE)

AF:

0.0000589

AC:

AN:

67884

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.547

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000604

Asia WGS

AF:

0.000292

AC:

AN:

3438

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Apr 15, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.81

CADD

Benign

6.2

(source)

DANN

Benign

0.49

PhyloP100

-0.59

PromoterAI

-0.18

Neutral

(source)

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over