7-152177495-A-G

Variant names:

Variant summary

Our verdict is Benign. The variant received -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_170606.3(KMT2C):c.7958T>C(p.Leu2653Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00155 in 1,614,174 control chromosomes in the GnomAD database, including 43 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L2653V) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0079 ( 12 hom., cov: 31)

Exomes 𝑓: 0.00089 ( 31 hom. )

Consequence

KMT2C
NM_170606.3 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:2O:1

Conservation

PhyloP100: 3.29

Publications

4 publications found

Variant links:

Genes affected

KMT2C (HGNC:13726): (lysine methyltransferase 2C) This gene is a member of the myeloid/lymphoid or mixed-lineage leukemia (MLL) family and encodes a nuclear protein with an AT hook DNA-binding domain, a DHHC-type zinc finger, six PHD-type zinc fingers, a SET domain, a post-SET domain and a RING-type zinc finger. This protein is a member of the ASC-2/NCOA6 complex (ASCOM), which possesses histone methylation activity and is involved in transcriptional coactivation. [provided by RefSeq, Jul 2008]

KMT2C Gene-Disease associations (from GenCC):

Kleefstra syndrome 2
Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Illumina, Ambry Genetics, Broad Center for Mendelian Genomics
syndromic intellectual disability
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen

KMT2C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -14 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0021421313).

BP6

Variant 7-152177495-A-G is Benign according to our data. Variant chr7-152177495-A-G is described in ClinVar as Benign. ClinVar VariationId is 134781.Status of the report is criteria_provided_single_submitter, 1 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00787 (1199/152288) while in subpopulation AFR AF = 0.028 (1165/41562). AF 95% confidence interval is 0.0267. There are 12 homozygotes in GnomAd4. There are 583 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check.

BS2

High AC in GnomAd4 at 1199 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KMT2C	NM_170606.3 link	c.7958T>C	p.Leu2653Pro	missense_variant	Exon 38 of 59	ENST00000262189.11	NP_733751.2	Q8NEZ4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KMT2C	ENST00000262189.11 link	c.7958T>C	p.Leu2653Pro	missense_variant	Exon 38 of 59	1	NM_170606.3	ENSP00000262189.6		Q8NEZ4-1

Frequencies

GnomAD3 genomes

AF:

0.00787

AC:

1197

AN:

152170

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0281

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00177

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:

0.00239

GnomAD2 exomes

AF:

0.00221

AC:

556

AN:

251286

AF XY:

0.00162

show subpopulations

Gnomad AFR exome

AF:

0.0301

Gnomad AMR exome

AF:

0.00153

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000616

Gnomad OTH exome

AF:

0.000979

GnomAD4 exome

AF:

0.000887

AC:

1297

AN:

1461886

Hom.:

Cov.:

AF XY:

0.000799

AC XY:

581

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.0313

AC:

1048

AN:

33480

American (AMR)

AF:

0.00168

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000812

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000520

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000567

AC:

AN:

1112004

Other (OTH)

AF:

0.00167

AC:

101

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.497

Heterozygous variant carriers

160

240

320

400

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

102

136

170

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00787

AC:

1199

AN:

152288

Hom.:

Cov.:

AF XY:

0.00783

AC XY:

583

AN XY:

74474

show subpopulations

African (AFR)

AF:

0.0280

AC:

1165

AN:

41562

American (AMR)

AF:

0.00176

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68016

Other (OTH)

AF:

0.00237

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.512

Heterozygous variant carriers

124

187

249

311

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

100

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00529

Hom.:

Bravo

AF:

0.00932

ESP6500AA

AF:

0.0309

AC:

136

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00275

AC:

334

Asia WGS

AF:

0.00173

AC:

AN:

3478

EpiCase

AF:

0.00

EpiControl

AF:

0.000296

ClinVar

Significance: Benign

Submissions summary: Benign:2Other:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

KMT2C-related disorder

Benign:1

Sep 09, 2022

PreventionGenetics, part of Exact Sciences

Significance:Benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

not provided

Benign:1

Jan 27, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Other:1

Sep 19, 2013

ITMI

Significance:not provided

Review Status:no classification provided

Collection Method:reference population

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.078

BayesDel_addAF

Benign

-0.29

BayesDel_noAF

Benign

-0.17

CADD

Benign

(source)

DANN

Benign

0.29

DEOGEN2

Benign

0.053

T;T

Eigen

Benign

-0.56

Eigen_PC

Benign

-0.50

FATHMM_MKL

Benign

0.28

LIST_S2

Benign

0.72

.;T

MetaRNN

Benign

0.0021

T;T

MetaSVM

Benign

-0.86

MutationAssessor

Benign

1.5

L;L

PhyloP100

3.3

PrimateAI

Benign

0.29

PROVEAN

Benign

-1.2

N;N

REVEL

Uncertain

0.32

Sift

Benign

0.14

T;T

Polyphen

0.0010

B;B

Vest4

0.071

MVP

0.48

MPC

0.13

ClinPred

0.015

GERP RS

4.5

Varity_R

0.12

gMVP

0.29

Mutation Taster

=100/0

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over