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17-40866760-C-G

Variant summary

Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PM1PM2PP3_StrongPP5

The NM_000223.4(KRT12):ā€‹c.427G>Cā€‹(p.Val143Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Another nucleotide change resulting in same amino acid change has been previously reported as Uncertain significancein ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

KRT12
NM_000223.4 missense

Scores

10
3
1

Clinical Significance

Pathogenic no assertion criteria provided P:1O:1

Conservation

PhyloP100: 6.16
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 Likely_pathogenic. Variant got 9 ACMG points.

PM1
In a region_of_interest Coil 1A (size 35) in uniprot entity K1C12_HUMAN there are 11 pathogenic changes around while only 1 benign (92%) in NM_000223.4
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.981
PP5
Variant 17-40866760-C-G is Pathogenic according to our data. Variant chr17-40866760-C-G is described in ClinVar as [Pathogenic]. Clinvar id is 7922.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KRT12NM_000223.4 linkuse as main transcriptc.427G>C p.Val143Leu missense_variant 1/8 ENST00000251643.5
LOC105371777XR_934754.3 linkuse as main transcriptn.63+15900C>G intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KRT12ENST00000251643.5 linkuse as main transcriptc.427G>C p.Val143Leu missense_variant 1/81 NM_000223.4 P1
KRT12ENST00000647902.1 linkuse as main transcriptc.319G>C p.Val107Leu missense_variant 2/4

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251470
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135910
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461888
Hom.:
0
Cov.:
34
AF XY:
0.00000138
AC XY:
1
AN XY:
727246
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:1Other:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Corneal dystrophy, Meesmann, 1 Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyOMIMJun 01, 1997- -
not provided Other:1
not provided, no classification providedliterature onlyEpithelial Biology; Institute of Medical Biology, Singapore-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.94
BayesDel_addAF
Pathogenic
0.45
D
BayesDel_noAF
Pathogenic
0.51
CADD
Uncertain
26
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.95
D;D;.
Eigen
Pathogenic
1.1
Eigen_PC
Pathogenic
0.98
FATHMM_MKL
Pathogenic
0.99
D
M_CAP
Uncertain
0.29
D
MetaRNN
Pathogenic
0.98
D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
4.5
H;H;.
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.56
T
Polyphen
1.0
D;D;.
Vest4
0.98
MutPred
0.93
Gain of disorder (P = 0.0389);Gain of disorder (P = 0.0389);.;
MVP
0.97
MPC
0.66
ClinPred
1.0
D
GERP RS
5.9
Varity_R
0.87
gMVP
0.98

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: rs58343600; hg19: chr17-39023012; API