Genetic Variant PRDM12:p.Gly16Arg (chr9-130664699-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_021619.3(PRDM12):c.46G>C(p.Gly16Arg) variant causes a missense change. The variant allele was found at a frequency of 0.0000131 in 1,450,080 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

PRDM12
NM_021619.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.99

Variant links:

Genes affected

PRDM12 (HGNC:13997): (PR/SET domain 12) This gene encodes a transcriptional regulator of sensory neuronal specification that plays a critical role in pain perception. The encoded protein contains an N-terminal PRDI-BF1 and RIZ homology (PR) domain, a SET domain, and three C-terminal C2H2 zinc finger DNA-binding domains. Naturally occurring mutations in this gene are associated with congenital insensitivity to pain (CIP), and hereditary sensory and autonomic neuropathies (HSAN's) affecting peripheral sensory and autonomic neurons. Deregulation of this gene is associated with solid cancers and hematological malignancies including chronic myeloid leukaemia. [provided by RefSeq, Mar 2017]

PRDM12 links:

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ACMG classification

Classification made for transcript

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 rank	MANE	Protein	UniProt
PRDM12	NM_021619.3 link	c.46G>C	p.Gly16Arg	missense_variant	Exon 1 of 5	ENST00000253008.3	NP_067632.2	Q9H4Q4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRDM12	ENST00000253008.3 link	c.46G>C	p.Gly16Arg	missense_variant	Exon 1 of 5	1	NM_021619.3	ENSP00000253008.2		Q9H4Q4
PRDM12	ENST00000676323.1 link	c.46G>C	p.Gly16Arg	missense_variant	Exon 1 of 6			ENSP00000502471.1		A0A6Q8PH01

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000255

AC:

AN:

234894

Hom.:

AF XY:

0.0000309

AC XY:

AN XY:

129550

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000580

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000131

AC:

AN:

1450080

Hom.:

Cov.:

AF XY:

0.0000152

AC XY:

AN XY:

721434

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000163

Gnomad4 OTH exome

AF:

0.0000168

GnomAD4 genome

Cov.:

ExAC

AF:

0.0000250

AC:

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Congenital insensitivity to pain-hypohidrosis syndrome

Uncertain:1

Sep 01, 2021

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This sequence change replaces glycine with arginine at codon 16 of the PRDM12 protein (p.Gly16Arg). The glycine residue is moderately conserved and there is a moderate physicochemical difference between glycine and arginine. This variant is present in population databases (rs759815395, ExAC 0.006%). This variant has not been reported in the literature in individuals affected with PRDM12-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.60

BayesDel_addAF

Benign

-0.024

BayesDel_noAF

Benign

-0.10

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.038

Eigen

Uncertain

0.59

Eigen_PC

Uncertain

0.59

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.80

M_CAP

Uncertain

0.18

MetaRNN

Uncertain

0.47

MetaSVM

Benign

-1.1

MutationAssessor

Benign

0.69

PrimateAI

Pathogenic

0.94

PROVEAN

Uncertain

-2.5

REVEL

Uncertain

0.48

Sift

Uncertain

0.0050

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.45

MutPred

0.44

Gain of solvent accessibility (P = 0.006);

MVP

0.46

MPC

1.8

ClinPred

0.75

GERP RS

4.5

Varity_R

0.27

gMVP

0.78

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