rs202244933

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.8047-15C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00202 in 1,604,800 control chromosomes in the GnomAD database, including 64 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.011 ( 31 hom., cov: 33)
Exomes 𝑓: 0.0011 ( 33 hom. )

Consequence

KMT2D
NM_003482.4 intron

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 0.212

Publications

2 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

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 (BayesDel_noAF=-0.82).
BP6
Variant 12-49039632-G-A is Benign according to our data. Variant chr12-49039632-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 94255.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 = 0.0106 (1607/152296) while in subpopulation AFR AF = 0.0358 (1487/41528). AF 95% confidence interval is 0.0343. There are 31 homozygotes in GnomAd4. There are 726 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High AC in GnomAd4 at 1607 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.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KMT2D
NM_003482.4
MANE Select
c.8047-15C>T
intron
N/ANP_003473.3O14686-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
KMT2D
ENST00000301067.12
TSL:5 MANE Select
c.8047-15C>T
intron
N/AENSP00000301067.7O14686-1
KMT2D
ENST00000683543.2
c.8047-15C>T
intron
N/AENSP00000506726.1A0A804HHR9
KMT2D
ENST00000685166.1
c.8056-15C>T
intron
N/AENSP00000509386.1O14686-3

Frequencies

GnomAD3 genomes
AF:
0.0106
AC:
1609
AN:
152178
Hom.:
31
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0360
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00543
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000235
Gnomad OTH
AF:
0.00909
GnomAD2 exomes
AF:
0.00263
AC:
633
AN:
240258
AF XY:
0.00193
show subpopulations
Gnomad AFR exome
AF:
0.0361
Gnomad AMR exome
AF:
0.00203
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000181
Gnomad OTH exome
AF:
0.00118
GnomAD4 exome
AF:
0.00112
AC:
1631
AN:
1452504
Hom.:
33
Cov.:
32
AF XY:
0.00101
AC XY:
731
AN XY:
722278
show subpopulations
African (AFR)
AF:
0.0364
AC:
1215
AN:
33336
American (AMR)
AF:
0.00248
AC:
110
AN:
44404
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26024
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39602
South Asian (SAS)
AF:
0.0000465
AC:
4
AN:
86000
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
47486
Middle Eastern (MID)
AF:
0.00295
AC:
17
AN:
5758
European-Non Finnish (NFE)
AF:
0.000107
AC:
119
AN:
1109700
Other (OTH)
AF:
0.00276
AC:
166
AN:
60194
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.443
Heterozygous variant carriers
0
86
173
259
346
432
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
38
76
114
152
190
<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:
0.0106
AC:
1607
AN:
152296
Hom.:
31
Cov.:
33
AF XY:
0.00975
AC XY:
726
AN XY:
74486
show subpopulations
African (AFR)
AF:
0.0358
AC:
1487
AN:
41528
American (AMR)
AF:
0.00542
AC:
83
AN:
15306
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00340
AC:
1
AN:
294
European-Non Finnish (NFE)
AF:
0.000235
AC:
16
AN:
68028
Other (OTH)
AF:
0.00900
AC:
19
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.456
Heterozygous variant carriers
0
73
147
220
294
367
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
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:
0.00697
Hom.:
4
Bravo
AF:
0.0123

ClinVar

ClinVar submissions
Significance:Benign/Likely benign
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
3
not specified (3)
-
-
1
Kabuki syndrome (1)
-
-
1
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
1.7
DANN
Benign
0.73
PhyloP100
0.21
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs202244933; hg19: chr12-49433415; API