Menu
GeneBe

17-40863123-C-T

Variant summary

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

The NM_000223.4(KRT12):c.1316G>A(p.Gly439Asp) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000235 in 1,613,910 control chromosomes in the GnomAD database, with no homozygous occurrence. 2/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

KRT12
NM_000223.4 missense, splice_region

Scores

7
7
Splicing: ADA: 0.9999
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.77
Variant links:
Genes affected
KRT12 (HGNC:6414): (keratin 12) KRT12 encodes the type I intermediate filament chain keratin 12, expressed in corneal epithelia. Mutations in this gene lead to Meesmann corneal dystrophy. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

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
KRT12NM_000223.4 linkuse as main transcriptc.1316G>A p.Gly439Asp missense_variant, splice_region_variant 6/8 ENST00000251643.5
LOC105371777XR_934754.3 linkuse as main transcriptn.63+12263C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT12ENST00000251643.5 linkuse as main transcriptc.1316G>A p.Gly439Asp missense_variant, splice_region_variant 6/81 NM_000223.4 P1
ENST00000579136.1 linkuse as main transcriptn.99C>T non_coding_transcript_exon_variant 2/23
KRT12ENST00000648535.1 linkuse as main transcriptn.608G>A splice_region_variant, non_coding_transcript_exon_variant 1/2

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152246
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.00000400
AC:
1
AN:
249878
Hom.:
0
AF XY:
0.00000738
AC XY:
1
AN XY:
135414
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:
0.00000887
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000253
AC:
37
AN:
1461664
Hom.:
0
Cov.:
34
AF XY:
0.0000206
AC XY:
15
AN XY:
727152
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
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:
0.0000315
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152246
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74384
show subpopulations
Gnomad4 AFR
AF:
0.00
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
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingGeneDxAug 24, 2022In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.092
BayesDel_addAF
Uncertain
0.085
D
BayesDel_noAF
Benign
-0.12
Cadd
Pathogenic
32
Dann
Uncertain
0.99
DEOGEN2
Benign
0.20
T;T
Eigen
Uncertain
0.34
Eigen_PC
Uncertain
0.35
FATHMM_MKL
Uncertain
0.89
D
M_CAP
Benign
0.051
D
MetaRNN
Uncertain
0.52
D;D
MetaSVM
Uncertain
-0.073
T
MutationAssessor
Benign
1.8
L;L
MutationTaster
Benign
0.96
D
PrimateAI
Benign
0.36
T
Polyphen
1.0
D;D
Vest4
0.59
MutPred
0.38
Gain of solvent accessibility (P = 0.2192);Gain of solvent accessibility (P = 0.2192);
MVP
0.67
MPC
2.3
ClinPred
0.87
D
GERP RS
4.8
Varity_R
0.13
gMVP
0.52

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.99
SpliceAI score (max)
0.16
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: rs1305982561; hg19: chr17-39019375; API