rs183702050

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_003482.4(KMT2D):c.13001C>T(p.Ala4334Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000049 in 1,612,880 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A4334D) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00026 ( 1 hom., cov: 33)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

KMT2D
NM_003482.4 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.00600

Publications

0 publications found

Variant links:

COSMIC-nc: COSV107371834

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]

KMT2D Gene-Disease associations (from GenCC):

choanal atresia-athelia-hypothyroidism-delayed puberty-short stature syndrome
Inheritance: AD Classification: DEFINITIVE, MODERATE Submitted by: Illumina, G2P
Kabuki syndrome 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, Laboratory for Molecular Medicine, ClinGen, Labcorp Genetics (formerly Invitae), Ambry Genetics
branchial arch abnormalities, choanal atresia, athelia, hearing loss, and hypothyroidism syndrome
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
Kabuki syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

KMT2D links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.019148707).

BP6

Variant 12-49031704-G-A is Benign according to our data. Variant chr12-49031704-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 158727.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.000256 (39/152308) while in subpopulation AFR AF = 0.000794 (33/41566). AF 95% confidence interval is 0.00058. There are 1 homozygotes in GnomAd4. There are 14 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

BS2

High AC in GnomAd4 at 39 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KMT2D	NM_003482.4 link	c.13001C>T	p.Ala4334Val	missense_variant	Exon 40 of 55	ENST00000301067.12	NP_003473.3	O14686-1Q59FG6Q6PIA1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KMT2D	ENST00000301067.12 link	c.13001C>T	p.Ala4334Val	missense_variant	Exon 40 of 55	5	NM_003482.4	ENSP00000301067.7		O14686-1

Frequencies

GnomAD3 genomes

AF:

0.000256

AC:

AN:

152190

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000796

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000393

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000487

AC:

AN:

246216

AF XY:

0.0000374

show subpopulations

Gnomad AFR exome

AF:

0.000660

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000897

Gnomad OTH exome

AF:

0.000167

GnomAD4 exome

AF:

0.0000274

AC:

AN:

1460572

Hom.:

Cov.:

AF XY:

0.0000234

AC XY:

AN XY:

726436

show subpopulations

African (AFR)

AF:

0.000896

AC:

AN:

33470

American (AMR)

AF:

0.0000673

AC:

AN:

44568

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26090

East Asian (EAS)

AF:

0.00

AC:

AN:

39676

South Asian (SAS)

AF:

0.00

AC:

AN:

85984

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53268

Middle Eastern (MID)

AF:

0.000174

AC:

AN:

5738

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111456

Other (OTH)

AF:

0.0000829

AC:

AN:

60322

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.000256

AC:

AN:

152308

Hom.:

Cov.:

AF XY:

0.000188

AC XY:

AN XY:

74478

show subpopulations

African (AFR)

AF:

0.000794

AC:

AN:

41566

American (AMR)

AF:

0.000392

AC:

AN:

15304

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10618

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68020

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.494

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

<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:

0.0000874

Hom.:

Bravo

AF:

0.000298

ESP6500AA

AF:

0.000776

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000745

AC:

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

Dec 13, 2018

Genetic Services Laboratory, University of Chicago

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Kabuki syndrome

Benign:1

Dec 16, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not provided

Benign:1

Jun 29, 2020

GeneDx

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 30459467) -

KMT2D-related disorder

Benign:1

Aug 21, 2022

PreventionGenetics, part of Exact Sciences

Significance:Likely benign

Review Status:no assertion criteria provided

Collection Method:clinical testing

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

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.082

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.58

CADD

Benign

(source)

DANN

Benign

0.91

DEOGEN2

Benign

0.043

Eigen

Benign

-0.61

Eigen_PC

Benign

-0.53

FATHMM_MKL

Benign

0.40

LIST_S2

Benign

0.51

M_CAP

Pathogenic

0.34

MetaRNN

Benign

0.019

MetaSVM

Benign

-0.69

MutationAssessor

Benign

0.0

PhyloP100

-0.0060

PrimateAI

Benign

0.41

PROVEAN

Benign

-0.91

REVEL

Benign

0.21

Sift

Benign

0.30

Polyphen

0.0010

Vest4

0.050

MVP

0.20

MPC

0.15

ClinPred

0.020

GERP RS

3.0

PromoterAI

-0.024

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.033

gMVP

0.11

Mutation Taster

=84/16

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