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GeneBe

12-52430615-C-T

Variant summary

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

The NM_004693.3(KRT75):c.961G>A(p.Ala321Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000143 in 1,614,012 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

KRT75
NM_004693.3 missense

Scores

1
12
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.66
Variant links:
Genes affected
KRT75 (HGNC:24431): (keratin 75) This gene is a member of the type II keratin family clustered on the long arm of chromosome 12. Type I and type II keratins heteropolymerize to form intermediate-sized filaments in the cytoplasm of epithelial cells. This gene is expressed in the companion layer, upper germinative matrix region of the hair follicle, and medulla of the hair shaft. The encoded protein plays an essential role in hair and nail formation. Variations in this gene have been associated with the hair disorders pseudofolliculitis barbae (PFB) and loose anagen hair syndrome (LAHS). [provided by RefSeq, Oct 2008]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRT75NM_004693.3 linkuse as main transcriptc.961G>A p.Ala321Thr missense_variant 5/9 ENST00000252245.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT75ENST00000252245.6 linkuse as main transcriptc.961G>A p.Ala321Thr missense_variant 5/91 NM_004693.3 P1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152140
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251496
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135922
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:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000137
AC:
20
AN:
1461872
Hom.:
0
Cov.:
35
AF XY:
0.0000138
AC XY:
10
AN XY:
727242
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:
0.0000171
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152140
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74308
show subpopulations
Gnomad4 AFR
AF:
0.0000483
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000564
Hom.:
0
Bravo
AF:
0.0000264
ExAC
AF:
0.00000824
AC:
1

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 GeneticsNov 12, 2021The c.961G>A (p.A321T) alteration is located in exon 5 (coding exon 5) of the KRT75 gene. This alteration results from a G to A substitution at nucleotide position 961, causing the alanine (A) at amino acid position 321 to be replaced by a threonine (T). 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
0.099
BayesDel_addAF
Benign
-0.075
T
BayesDel_noAF
Benign
-0.24
Cadd
Benign
23
Dann
Pathogenic
1.0
DEOGEN2
Uncertain
0.49
T
Eigen
Uncertain
0.48
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Uncertain
0.87
D
LIST_S2
Benign
0.57
T
M_CAP
Benign
0.0087
T
MetaRNN
Uncertain
0.63
D
MetaSVM
Uncertain
0.20
D
MutationAssessor
Uncertain
2.6
M
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.49
T
PROVEAN
Uncertain
-3.3
D
REVEL
Uncertain
0.47
Sift
Uncertain
0.028
D
Sift4G
Uncertain
0.059
T
Polyphen
0.94
P
Vest4
0.45
MutPred
0.61
Gain of ubiquitination at K324 (P = 0.1497);
MVP
0.80
MPC
0.25
ClinPred
0.93
D
GERP RS
4.8
Varity_R
0.21
gMVP
0.28

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: rs769082279; hg19: chr12-52824399; COSMIC: COSV52875537; COSMIC: COSV52875537; API