chr12-91056213-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_007035.4(KERA):​c.69G>A​(p.Val23Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.759 in 1,609,058 control chromosomes in the GnomAD database, including 471,924 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.65 ( 35010 hom., cov: 31)
Exomes 𝑓: 0.77 ( 436914 hom. )

Consequence

KERA
NM_007035.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 1.08
Variant links:
Genes affected
KERA (HGNC:6309): (keratocan) The protein encoded by this gene is a keratan sulfate proteoglycan that is involved in corneal transparency. Defects in this gene are a cause of autosomal recessive cornea plana 2 (CNA2).[provided by RefSeq, May 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.47).
BP6
Variant 12-91056213-C-T is Benign according to our data. Variant chr12-91056213-C-T is described in ClinVar as [Benign]. Clinvar id is 1174695.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr12-91056213-C-T is described in Lovd as [Benign].
BP7
Synonymous conserved (PhyloP=1.09 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.777 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
KERANM_007035.4 linkuse as main transcriptc.69G>A p.Val23Val synonymous_variant 2/3 ENST00000266719.4 NP_008966.1 O60938

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
KERAENST00000266719.4 linkuse as main transcriptc.69G>A p.Val23Val synonymous_variant 2/31 NM_007035.4 ENSP00000266719.3 O60938

Frequencies

GnomAD3 genomes
AF:
0.652
AC:
98401
AN:
150820
Hom.:
35004
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.339
Gnomad AMI
AF:
0.680
Gnomad AMR
AF:
0.700
Gnomad ASJ
AF:
0.749
Gnomad EAS
AF:
0.797
Gnomad SAS
AF:
0.738
Gnomad FIN
AF:
0.826
Gnomad MID
AF:
0.699
Gnomad NFE
AF:
0.782
Gnomad OTH
AF:
0.696
GnomAD3 exomes
AF:
0.732
AC:
181842
AN:
248542
Hom.:
68413
AF XY:
0.743
AC XY:
99817
AN XY:
134362
show subpopulations
Gnomad AFR exome
AF:
0.319
Gnomad AMR exome
AF:
0.656
Gnomad ASJ exome
AF:
0.745
Gnomad EAS exome
AF:
0.786
Gnomad SAS exome
AF:
0.738
Gnomad FIN exome
AF:
0.828
Gnomad NFE exome
AF:
0.782
Gnomad OTH exome
AF:
0.761
GnomAD4 exome
AF:
0.770
AC:
1123059
AN:
1458120
Hom.:
436914
Cov.:
37
AF XY:
0.771
AC XY:
559110
AN XY:
725406
show subpopulations
Gnomad4 AFR exome
AF:
0.327
Gnomad4 AMR exome
AF:
0.661
Gnomad4 ASJ exome
AF:
0.752
Gnomad4 EAS exome
AF:
0.781
Gnomad4 SAS exome
AF:
0.741
Gnomad4 FIN exome
AF:
0.824
Gnomad4 NFE exome
AF:
0.788
Gnomad4 OTH exome
AF:
0.758
GnomAD4 genome
AF:
0.652
AC:
98428
AN:
150938
Hom.:
35010
Cov.:
31
AF XY:
0.657
AC XY:
48486
AN XY:
73760
show subpopulations
Gnomad4 AFR
AF:
0.339
Gnomad4 AMR
AF:
0.700
Gnomad4 ASJ
AF:
0.749
Gnomad4 EAS
AF:
0.797
Gnomad4 SAS
AF:
0.738
Gnomad4 FIN
AF:
0.826
Gnomad4 NFE
AF:
0.782
Gnomad4 OTH
AF:
0.694
Alfa
AF:
0.762
Hom.:
64334
Bravo
AF:
0.626
Asia WGS
AF:
0.728
AC:
2531
AN:
3478
EpiCase
AF:
0.789
EpiControl
AF:
0.778

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
Benign, no assertion criteria providedclinical testingJoint Genome Diagnostic Labs from Nijmegen and Maastricht, Radboudumc and MUMC+-- -
Benign, no assertion criteria providedclinical testingDiagnostic Laboratory, Department of Genetics, University Medical Center Groningen-- -
not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Cornea plana 2 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabAug 19, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.47
CADD
Benign
6.7
DANN
Benign
0.62

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: rs2735333; hg19: chr12-91449990; COSMIC: COSV57132160; API