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GeneBe

12-52608350-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_175068.3(KRT73):c.1469G>A(p.Gly490Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000186 in 1,613,634 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

KRT73
NM_175068.3 missense

Scores

8
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.911
Variant links:
Genes affected
KRT73 (HGNC:28928): (keratin 73) 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 a protein that is expressed in the inner root sheath of hair follicles. The type II keratins are clustered in a region of chromosome 12q13.[provided by RefSeq, Jun 2009]
KRT73-AS1 (HGNC:49607): (KRT73 antisense RNA 1)

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.2704525).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRT73NM_175068.3 linkuse as main transcriptc.1469G>A p.Gly490Asp missense_variant 9/9 ENST00000305748.7
KRT73XM_047428761.1 linkuse as main transcriptc.1469G>A p.Gly490Asp missense_variant 11/11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT73ENST00000305748.7 linkuse as main transcriptc.1469G>A p.Gly490Asp missense_variant 9/91 NM_175068.3 P1Q86Y46-1
KRT73-AS1ENST00000551089.5 linkuse as main transcriptn.102-2938C>T intron_variant, non_coding_transcript_variant 4
KRT73ENST00000552855.1 linkuse as main transcriptc.704G>A p.Gly235Asp missense_variant 6/63
KRT73ENST00000546934.1 linkuse as main transcriptn.1862G>A non_coding_transcript_exon_variant 8/82

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152240
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000482
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:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461394
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727008
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152240
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74374
show subpopulations
Gnomad4 AFR
AF:
0.0000482
Gnomad4 AMR
AF:
0.00
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
Bravo
AF:
0.0000189

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 GeneticsDec 02, 2022The c.1469G>A (p.G490D) alteration is located in exon 9 (coding exon 9) of the KRT73 gene. This alteration results from a G to A substitution at nucleotide position 1469, causing the glycine (G) at amino acid position 490 to be replaced by an aspartic acid (D). 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
0.16
BayesDel_addAF
Uncertain
0.13
D
BayesDel_noAF
Uncertain
-0.050
Cadd
Benign
18
Dann
Uncertain
0.99
DEOGEN2
Benign
0.16
T;.
Eigen
Benign
-0.18
Eigen_PC
Benign
-0.040
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Benign
0.58
T;T
M_CAP
Benign
0.019
T
MetaRNN
Benign
0.27
T;T
MetaSVM
Uncertain
-0.12
T
MutationAssessor
Benign
1.1
L;.
MutationTaster
Benign
0.69
D
PrimateAI
Benign
0.42
T
PROVEAN
Uncertain
-2.6
D;D
REVEL
Uncertain
0.49
Sift
Benign
0.22
T;T
Sift4G
Uncertain
0.012
D;D
Polyphen
0.0010
B;.
Vest4
0.49
MVP
0.39
MPC
0.17
ClinPred
0.51
D
GERP RS
4.2
Varity_R
0.18
gMVP
0.38

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: rs1436457695; hg19: chr12-53002134; API