rs199831827

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_003482.4(KMT2D):c.9482T>C(p.Met3161Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00002 in 1,598,048 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00012 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000090 ( 0 hom. )

Consequence

KMT2D
NM_003482.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:2O:1

Conservation

PhyloP100: 2.72

Publications

1 publications found

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]

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: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, Laboratory for Molecular Medicine, ClinGen
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 -13 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.022143304).

BP6

Variant 12-49037874-A-G is Benign according to our data. Variant chr12-49037874-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 134709.

BS1

Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.000125 (19/152314) while in subpopulation AMR AF = 0.00111 (17/15302). AF 95% confidence interval is 0.000707. There are 0 homozygotes in GnomAd4. There are 12 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 19 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003482.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	KMT2D	NM_003482.4	MANE Select	c.9482T>C	p.Met3161Thr	missense	Exon 35 of 55	NP_003473.3	O14686-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
KMT2D	ENST00000301067.12	TSL:5 MANE Select	c.9482T>C	p.Met3161Thr	missense	Exon 35 of 55	ENSP00000301067.7	O14686-1
KMT2D	ENST00000683543.2		c.9482T>C	p.Met3161Thr	missense	Exon 35 of 56	ENSP00000506726.1	A0A804HHR9
KMT2D	ENST00000685166.1		c.9491T>C	p.Met3164Thr	missense	Exon 34 of 54	ENSP00000509386.1	O14686-3

Frequencies

GnomAD3 genomes

AF:

0.000125

AC:

AN:

152196

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000482

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00111

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:

0.00000904

AC:

AN:

221356

AF XY:

0.0000166

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000318

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000180

GnomAD4 exome

AF:

0.00000899

AC:

AN:

1445734

Hom.:

Cov.:

AF XY:

0.0000125

AC XY:

AN XY:

717730

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33186

American (AMR)

AF:

0.000118

AC:

AN:

42364

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25778

East Asian (EAS)

AF:

0.00

AC:

AN:

38926

South Asian (SAS)

AF:

0.00

AC:

AN:

83620

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51858

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5750

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1104406

Other (OTH)

AF:

0.000134

AC:

AN:

59846

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

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:

0.000125

AC:

AN:

152314

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74478

show subpopulations

African (AFR)

AF:

0.0000481

AC:

AN:

41576

American (AMR)

AF:

0.00111

AC:

AN:

15302

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

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:

68018

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.0000847

Hom.:

Bravo

AF:

0.000283

ExAC

AF:

0.00000828

AC:

ClinVar

ClinVar submissions

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (2)

Kabuki syndrome (1)

not specified (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.42

CADD

Benign

(source)

DANN

Benign

0.15

DEOGEN2

Benign

0.055

Eigen

Benign

-0.88

Eigen_PC

Benign

-0.82

FATHMM_MKL

Benign

0.63

LIST_S2

Benign

0.47

M_CAP

Uncertain

0.25

MetaRNN

Benign

0.022

MetaSVM

Benign

-0.83

MutationAssessor

Benign

0.69

PhyloP100

2.7

PrimateAI

Benign

0.47

PROVEAN

Benign

-1.4

REVEL

Benign

0.23

Sift

Benign

0.060

Polyphen

0.0

Vest4

0.089

MutPred

0.18

Gain of relative solvent accessibility (P = 0.0082)

MVP

0.18

MPC

0.17

ClinPred

0.033

GERP RS

3.4

Varity_R

0.083

gMVP

0.15

Mutation Taster

=89/11

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over