chr3-69739657-G-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001354604.2(MITF):​c.60G>T​(p.Glu20Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000505 in 1,584,066 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000049 ( 0 hom. )

Consequence

MITF
NM_001354604.2 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.02
Variant links:
Genes affected
MITF (HGNC:7105): (melanocyte inducing transcription factor) The protein encoded by this gene is a transcription factor that contains both basic helix-loop-helix and leucine zipper structural features. The encoded protein regulates melanocyte development and is responsible for pigment cell-specific transcription of the melanogenesis enzyme genes. Heterozygous mutations in the this gene cause auditory-pigmentary syndromes, such as Waardenburg syndrome type 2 and Tietz syndrome. [provided by RefSeq, Aug 2017]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.12479815).
BS2
High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MITFNM_001354604.2 linkuse as main transcriptc.60G>T p.Glu20Asp missense_variant 1/10 ENST00000352241.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MITFENST00000352241.9 linkuse as main transcriptc.60G>T p.Glu20Asp missense_variant 1/101 NM_001354604.2 P4O75030-1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152188
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000489
AC:
7
AN:
1431878
Hom.:
0
Cov.:
31
AF XY:
0.00000847
AC XY:
6
AN XY:
708610
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000367
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000365
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152188
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378
ExAC
AF:
0.00000834
AC:
1

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineJun 02, 2016The p.Glu20Asp variant in MITF has not been previously reported in individuals w ith hearing loss or Waardenburg syndrome. This variant has been identified in 1 /14988 European chromosomes by the Exome Aggregation Consortium (ExAC, http://ex ac.broadinstitute.org; dbSNP rs780642512). Computational prediction tools and co nservation analyses do not provide strong support for or against an impact to th e protein. In summary, the clinical significance of the p.Glu20Asp variant is un certain. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Benign
-0.14
T
BayesDel_noAF
Benign
-0.43
CADD
Uncertain
23
DANN
Benign
0.92
DEOGEN2
Benign
0.31
.;T;.
Eigen
Benign
-0.28
Eigen_PC
Benign
-0.11
FATHMM_MKL
Benign
0.57
D
LIST_S2
Benign
0.77
.;T;T
M_CAP
Benign
0.039
D
MetaRNN
Benign
0.12
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.86
L;L;L
MutationTaster
Benign
0.93
D;D
PrimateAI
Uncertain
0.78
T
PROVEAN
Benign
0.090
N;N;.
REVEL
Uncertain
0.32
Sift
Benign
1.0
T;T;.
Sift4G
Benign
0.84
T;T;.
Polyphen
0.0
B;.;B
Vest4
0.40
MutPred
0.14
Loss of sheet (P = 0.0817);Loss of sheet (P = 0.0817);Loss of sheet (P = 0.0817);
MVP
0.63
MPC
0.28
ClinPred
0.14
T
GERP RS
3.5
Varity_R
0.15
gMVP
0.57

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs780642512; hg19: chr3-69788808; API