12-49050196-G-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_ModerateBP6_Moderate

The NM_003482.4(KMT2D):c.3392C>G(p.Pro1131Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,613,634 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 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. P1131L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

KMT2D
NM_003482.4 missense

Scores

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.12

Publications

9 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: 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: Likely_benign. The variant received -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.18963021).

BP6

Variant 12-49050196-G-C is Benign according to our data. Variant chr12-49050196-G-C is described in CliVar as Benign. Clinvar id is 3704316.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-49050196-G-C is described in CliVar as Benign. Clinvar id is 3704316.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-49050196-G-C is described in CliVar as Benign. Clinvar id is 3704316.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-49050196-G-C is described in CliVar as Benign. Clinvar id is 3704316.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr12-49050196-G-C is described in CliVar as Benign. Clinvar id is 3704316.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KMT2D	NM_003482.4 link	c.3392C>G	p.Pro1131Arg	missense_variant	Exon 12 of 55	ENST00000301067.12	NP_003473.3	O14686-1Q59FG6Q6PIA1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
KMT2D	ENST00000301067.12 link	c.3392C>G	p.Pro1131Arg	missense_variant	Exon 12 of 55	5	NM_003482.4	ENSP00000301067.7	O14686-1
KMT2D	ENST00000683543.2 link	c.3392C>G	p.Pro1131Arg	missense_variant	Exon 12 of 56			ENSP00000506726.1	A0A804HHR9
KMT2D	ENST00000685166.1 link	c.3392C>G	p.Pro1131Arg	missense_variant	Exon 11 of 54			ENSP00000509386.1	O14686-3
KMT2D	ENST00000692637.1 link	c.3392C>G	p.Pro1131Arg	missense_variant	Exon 11 of 54			ENSP00000509666.1	A0A8I5KSG1

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152134

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000966

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000121

AC:

AN:

247644

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.0000664

Gnomad AMR exome

AF:

0.0000580

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:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461500

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727050

show subpopulations

African (AFR)

AF:

0.0000597

AC:

AN:

33478

American (AMR)

AF:

0.0000447

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53232

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111842

Other (OTH)

AF:

0.00

AC:

AN:

60372

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.463

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:

0.0000263

AC:

AN:

152134

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74312

show subpopulations

African (AFR)

AF:

0.0000966

AC:

AN:

41428

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4824

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.563

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:

0.00

Hom.:

Bravo

AF:

0.0000453

ExAC

AF:

0.0000248

AC:

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Kabuki syndrome

Benign:1

May 06, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.25

BayesDel_noAF

Benign

-0.36

CADD

Benign

(source)

DANN

Benign

0.73

DEOGEN2

Benign

0.043

Eigen

Benign

-0.62

Eigen_PC

Benign

-0.51

FATHMM_MKL

Benign

0.52

LIST_S2

Benign

0.65

M_CAP

Pathogenic

0.65

MetaRNN

Benign

0.19

MetaSVM

Benign

-0.84

MutationAssessor

Benign

0.0

PhyloP100

2.1

PrimateAI

Benign

0.37

PROVEAN

Benign

-1.0

REVEL

Uncertain

0.47

Sift

Uncertain

0.0020

Polyphen

0.28

Vest4

0.38

MutPred

0.30

Gain of solvent accessibility (P = 0.0411);

MVP

0.14

MPC

0.43

ClinPred

0.99

GERP RS

3.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.2

Varity_R

0.12

gMVP

0.12

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over