dbSNP rs779808828: MKRN2:p.Pro76Arg (chr3-12570142-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_014160.5(MKRN2):c.227C>G(p.Pro76Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,828 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P76L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 0.0000041 ( 0 hom. )

Consequence

MKRN2
NM_014160.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.317

Publications

0 publications found

Variant links:

Genes affected

MKRN2 (HGNC:7113): (makorin ring finger protein 2) This gene encodes a probable E3 ubiquitin ligase containing several zinc finger domains, that is a member of the makorin RING zinc-finger protein family. This gene overlaps the v-raf-1 murine leukemia viral oncogene homolog 1 (RAF1) gene in an antisense orientation and may have a co-regulatory function with RAF1. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2012]

MKRN2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.07085633).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MKRN2	NM_014160.5 link	c.227C>G	p.Pro76Arg	missense_variant	Exon 3 of 8	ENST00000170447.12	NP_054879.3
MKRN2	NM_001271707.2 link	c.98C>G	p.Pro33Arg	missense_variant	Exon 2 of 7		NP_001258636.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MKRN2	ENST00000170447.12 link	c.227C>G	p.Pro76Arg	missense_variant	Exon 3 of 8	1	NM_014160.5	ENSP00000170447.7		Q9H000-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000410

AC:

AN:

1461828

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727212

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86254

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53364

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1112012

Other (OTH)

AF:

0.00

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.517

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.090

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.56

CADD

Benign

6.9

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.10

T;.;.

Eigen

Benign

-0.98

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.29

LIST_S2

Benign

0.73

T;T;T

M_CAP

Benign

0.0088

MetaRNN

Benign

0.071

T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.8

L;.;.

PhyloP100

0.32

PrimateAI

Benign

0.29

PROVEAN

Benign

-2.0

N;N;N

REVEL

Benign

0.026

Sift

Uncertain

0.017

D;D;D

Sift4G

Uncertain

0.023

D;T;D

Polyphen

0.0

B;.;B

Vest4

0.29

MutPred

0.19

Loss of glycosylation at S75 (P = 0.0394);.;.;

MVP

0.17

MPC

0.22

ClinPred

0.11

GERP RS

0.51

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.067

gMVP

0.44

Mutation Taster

=97/3

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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rs779808828

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over