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GeneBe

rs1043654062

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP2BP6

The NM_003482.4(KMT2D):c.941C>G(p.Ser314Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,613,388 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

KMT2D
NM_003482.4 missense

Scores

4
9
5

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 3.46
Variant links:
Genes affected
KMT2D (HGNC:7133): (lysine methyltransferase 2D) The protein encoded by this gene is a histone methyltransferase that methylates the Lys-4 position of histone H3. The encoded protein is part of a large protein complex called ASCOM, which has been shown to be a transcriptional regulator of the beta-globin and estrogen receptor genes. Mutations in this gene have been shown to be a cause of Kabuki syndrome. [provided by RefSeq, Oct 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant where missense usually causes diseases, KMT2D
BP6
Variant 12-49053220-G-C is Benign according to our data. Variant chr12-49053220-G-C is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 547401.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
KMT2DNM_003482.4 linkuse as main transcriptc.941C>G p.Ser314Cys missense_variant 8/55 ENST00000301067.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
KMT2DENST00000301067.12 linkuse as main transcriptc.941C>G p.Ser314Cys missense_variant 8/555 NM_003482.4 A2O14686-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152228
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461160
Hom.:
0
Cov.:
33
AF XY:
0.00000413
AC XY:
3
AN XY:
726912
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152228
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74386
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:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Kabuki syndrome 1 Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCenter for Human Genetics, Inc, Center for Human Genetics, IncNov 01, 2016- -
Kabuki syndrome Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 15, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.40
BayesDel_addAF
Pathogenic
0.18
D
BayesDel_noAF
Uncertain
0.020
Cadd
Uncertain
24
Dann
Benign
0.80
DEOGEN2
Benign
0.067
T
Eigen
Pathogenic
0.77
Eigen_PC
Pathogenic
0.76
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Benign
0.68
T
M_CAP
Uncertain
0.16
D
MetaRNN
Uncertain
0.64
D
MetaSVM
Uncertain
0.16
D
MutationAssessor
Benign
1.8
L
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.75
T
PROVEAN
Uncertain
-2.7
D
REVEL
Uncertain
0.49
Sift
Uncertain
0.0010
D
Polyphen
1.0
D
Vest4
0.59
MutPred
0.60
Gain of catalytic residue at W315 (P = 0.0444);
MVP
0.61
MPC
0.18
ClinPred
0.69
D
GERP RS
5.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.35
gMVP
0.64

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: rs1043654062; hg19: chr12-49447003; COSMIC: COSV99980738; COSMIC: COSV99980738; API