18-7888331-A-G

Position:

chr18-7888331-A-G

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 1P and 8B. PP2BP4_StrongBS2

The NM_001105244.2(PTPRM):c.422A>G(p.Asn141Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000031 in 1,614,094 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000023 ( 0 hom. )

Consequence

PTPRM
NM_001105244.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.67

Variant links:

Genes affected

PTPRM (HGNC:9675): (protein tyrosine phosphatase receptor type M) The protein encoded by this gene is a member of the protein tyrosine phosphatase (PTP) family. PTPs are known to be signaling molecules that regulate a variety of cellular processes including cell growth, differentiation, mitotic cycle, and oncogenic transformation. This PTP possesses an extracellular region, a single transmembrane region, and two tandem catalytic domains, and thus represents a receptor-type PTP. The extracellular region contains a meprin-A5 antigen-PTP mu (MAM) domain, an Ig-like domain and four fibronectin type III-like repeats. This PTP has been shown to mediate cell-cell aggregation through the interaction with another molecule of this PTP on an adjacent cell. This PTP can interact with scaffolding protein RACK1/GNB2L1, which may be necessary for the downstream signaling in response to cell-cell adhesion. Alternative splicing results in multiple transcripts encoding distinct isoforms. [provided by RefSeq, Jul 2008]

PTPRM links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PP2

Missense variant where missense usually causes diseases, PTPRM

BP4

Computational evidence support a benign effect (MetaRNN=0.03085959).

BS2

High AC in GnomAd4 at 17 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PTPRM	NM_001105244.2 linkuse as main transcript	c.422A>G	p.Asn141Ser	missense_variant	3/33	ENST00000580170.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PTPRM	ENST00000580170.6 linkuse as main transcript	c.422A>G	p.Asn141Ser	missense_variant	3/33	1	NM_001105244.2	A1	P28827-2
PTPRM	ENST00000332175.12 linkuse as main transcript	c.422A>G	p.Asn141Ser	missense_variant	3/31	1		P4	P28827-1
PTPRM	ENST00000400053.8 linkuse as main transcript	c.236A>G	p.Asn79Ser	missense_variant	3/31	5
PTPRM	ENST00000400060.8 linkuse as main transcript	c.-3137A>G		5_prime_UTR_variant	2/32	5

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152250

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00105

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

GnomAD3 exomes

AF:

0.0000877

AC:

AN:

250986

Hom.:

AF XY:

0.0000811

AC XY:

AN XY:

135626

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000434

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.000818

GnomAD4 exome

AF:

0.0000226

AC:

AN:

1461726

Hom.:

Cov.:

AF XY:

0.0000193

AC XY:

AN XY:

727154

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.000403

Gnomad4 ASJ exome

AF:

0.0000766

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000450

Gnomad4 OTH exome

AF:

0.0000994

GnomAD4 genome

AF:

0.000112

AC:

AN:

152368

Hom.:

Cov.:

AF XY:

0.000148

AC XY:

AN XY:

74522

show subpopulations

Gnomad4 AFR

AF:

0.0000240

Gnomad4 AMR

AF:

0.00105

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000422

Hom.:

Bravo

AF:

0.000159

ExAC

AF:

0.0000741

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Oct 03, 2022

The c.422A>G (p.N141S) alteration is located in exon 3 (coding exon 3) of the PTPRM gene. This alteration results from a A to G substitution at nucleotide position 422, causing the asparagine (N) at amino acid position 141 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.57

BayesDel_noAF

Benign

-0.73

CADD

Benign

DANN

Uncertain

0.98

Eigen

Benign

-0.18

Eigen_PC

Benign

0.037

FATHMM_MKL

Uncertain

0.86

LIST_S2

Uncertain

0.89

D;D;D

M_CAP

Benign

0.0029

MetaRNN

Benign

0.031

T;T;T

MetaSVM

Benign

-0.91

MutationAssessor

Benign

1.1

L;L;.

MutationTaster

Benign

0.79

N;N;N;N

PrimateAI

Benign

0.36

Sift4G

Benign

0.65

T;T;T

Polyphen

0.0

.;B;.

Vest4

0.15

MutPred

0.58

Loss of sheet (P = 0.0817);Loss of sheet (P = 0.0817);.;

MVP

0.44

MPC

0.46

ClinPred

0.049

GERP RS

6.1

Varity_R

0.36

gMVP

0.19

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over