12-52831498-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_175834.3(KRT79):​c.606G>A​(p.Met202Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00068 in 1,614,144 control chromosomes in the GnomAD database, including 1 homozygotes. 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 0.00033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00072 ( 1 hom. )

Consequence

KRT79
NM_175834.3 missense

Scores

1
4
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.644
Variant links:
Genes affected
KRT79 (HGNC:28930): (keratin 79) Keratins are intermediate filament proteins responsible for the structural integrity of epithelial cells and are subdivided into epithelial keratins and hair keratins. This gene encodes an epithelial keratin that is expressed in skeletal muscle, skin and scalp. The type II keratins are clustered in a region of chromosome 12q13.[provided by RefSeq, Jun 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.103070915).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRT79NM_175834.3 linkuse as main transcriptc.606G>A p.Met202Ile missense_variant 2/9 ENST00000330553.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT79ENST00000330553.6 linkuse as main transcriptc.606G>A p.Met202Ile missense_variant 2/91 NM_175834.3 P1

Frequencies

GnomAD3 genomes
AF:
0.000328
AC:
50
AN:
152254
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000965
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000188
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000647
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000290
AC:
73
AN:
251484
Hom.:
0
AF XY:
0.000294
AC XY:
40
AN XY:
135916
show subpopulations
Gnomad AFR exome
AF:
0.000308
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:
0.000416
Gnomad NFE exome
AF:
0.000510
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000717
AC:
1048
AN:
1461890
Hom.:
1
Cov.:
32
AF XY:
0.000689
AC XY:
501
AN XY:
727248
show subpopulations
Gnomad4 AFR exome
AF:
0.000149
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.000281
Gnomad4 NFE exome
AF:
0.000912
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000328
AC:
50
AN:
152254
Hom.:
0
Cov.:
32
AF XY:
0.000215
AC XY:
16
AN XY:
74378
show subpopulations
Gnomad4 AFR
AF:
0.0000965
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000188
Gnomad4 NFE
AF:
0.000647
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000530
Hom.:
0
Bravo
AF:
0.000351
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.00156
AC:
6
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.000247
AC:
30
EpiCase
AF:
0.000763
EpiControl
AF:
0.000711

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 submitterclinical testingAmbry GeneticsJul 13, 2022The c.606G>A (p.M202I) alteration is located in exon 2 (coding exon 2) of the KRT79 gene. This alteration results from a G to A substitution at nucleotide position 606, causing the methionine (M) at amino acid position 202 to be replaced by an isoleucine (I). 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
0.30
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.25
CADD
Benign
15
DANN
Uncertain
0.99
DEOGEN2
Benign
0.14
T
Eigen
Benign
-0.59
Eigen_PC
Benign
-0.54
FATHMM_MKL
Benign
0.70
D
LIST_S2
Benign
0.45
T
M_CAP
Uncertain
0.096
D
MetaRNN
Benign
0.10
T
MetaSVM
Uncertain
-0.21
T
MutationAssessor
Benign
0.69
N
MutationTaster
Benign
0.86
N
PrimateAI
Benign
0.40
T
PROVEAN
Benign
-0.45
N
REVEL
Benign
0.28
Sift
Uncertain
0.0010
D
Sift4G
Pathogenic
0.0010
D
Polyphen
0.0080
B
Vest4
0.30
MutPred
0.63
Gain of catalytic residue at S204 (P = 0.0051);
MVP
0.44
MPC
0.12
ClinPred
0.063
T
GERP RS
3.5
Varity_R
0.35
gMVP
0.54

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.

Other links and lift over

dbSNP: rs139706495; hg19: chr12-53225282; API