Genetic Variant PITRM1:c.3020+14G>A (chr10-3138221-C-T) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. The variant received -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_014889.4(PITRM1):c.3020+14G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000757 in 1,605,148 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0033 ( 3 hom., cov: 33)

Exomes 𝑓: 0.00049 ( 0 hom. )

Consequence

PITRM1
NM_014889.4 intron

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.629

Publications

0 publications found

Variant links:

Genes affected

PITRM1 (HGNC:17663): (pitrilysin metallopeptidase 1) The protein encoded by this gene is an ATP-dependent metalloprotease that degrades post-cleavage mitochondrial transit peptides. The encoded protein binds zinc and can also degrade amyloid beta A4 protein, suggesting a possible role in Alzheimer's disease. [provided by RefSeq, Dec 2016]

PITRM1 Gene-Disease associations (from GenCC):

spinocerebellar ataxia, autosomal recessive 30
Inheritance: AR Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Illumina

PITRM1 links:

ENSG00000278419 (HGNC:):

ENSG00000278419 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -10 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.93).

BP6

Variant 10-3138221-C-T is Benign according to our data. Variant chr10-3138221-C-T is described in ClinVar as [Benign]. Clinvar id is 1987386.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High Homozygotes in GnomAd4 at 3 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PITRM1	NM_014889.4 link	c.3020+14G>A		intron_variant	Intron 26 of 26	ENST00000224949.9	NP_055704.2	Q5JRX3-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PITRM1	ENST00000224949.9 link	c.3020+14G>A		intron_variant	Intron 26 of 26	1	NM_014889.4	ENSP00000224949.4		Q5JRX3-1

Frequencies

GnomAD3 genomes

AF:

0.00332

AC:

505

AN:

152184

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0116

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000458

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000942

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000147

Gnomad OTH

AF:

0.00239

GnomAD2 exomes

AF:

0.000820

AC:

204

AN:

248784

AF XY:

0.000637

show subpopulations

Gnomad AFR exome

AF:

0.0110

Gnomad AMR exome

AF:

0.000319

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000160

Gnomad OTH exome

AF:

0.000828

GnomAD4 exome

AF:

0.000489

AC:

710

AN:

1452846

Hom.:

Cov.:

AF XY:

0.000467

AC XY:

338

AN XY:

723414

show subpopulations

African (AFR)

AF:

0.0124

AC:

413

AN:

33280

American (AMR)

AF:

0.000313

AC:

AN:

44702

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26074

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

86066

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53328

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5756

European-Non Finnish (NFE)

AF:

0.000223

AC:

246

AN:

1103938

Other (OTH)

AF:

0.000600

AC:

AN:

60040

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

Heterozygous variant carriers

122

162

203

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00332

AC:

505

AN:

152302

Hom.:

Cov.:

AF XY:

0.00312

AC XY:

232

AN XY:

74474

show subpopulations

African (AFR)

AF:

0.0116

AC:

482

AN:

41566

American (AMR)

AF:

0.000457

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.0000942

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000147

AC:

AN:

68020

Other (OTH)

AF:

0.00237

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

103

129

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000129

Hom.:

Bravo

AF:

0.00373

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jan 03, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: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

-0.93

CADD

Benign

1.5

(source)

DANN

Benign

0.67

PhyloP100

-0.63

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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10-3138221-C-T

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