chr3-169085028-G-T

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBS1_SupportingBS2

The NM_004991.4(MECOM):​c.3601C>A​(p.Leu1201Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000743 in 1,614,068 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00037 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

MECOM
NM_004991.4 missense

Scores

1
4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.816
Variant links:
Genes affected
MECOM (HGNC:3498): (MDS1 and EVI1 complex locus) The protein encoded by this gene is a transcriptional regulator and oncoprotein that may be involved in hematopoiesis, apoptosis, development, and cell differentiation and proliferation. The encoded protein can interact with CTBP1, SMAD3, CREBBP, KAT2B, MAPK8, and MAPK9. This gene can undergo translocation with the AML1 gene, resulting in overexpression of this gene and the onset of leukemia. Several transcript variants encoding a few different isoforms have been found for this gene. [provided by RefSeq, Mar 2011]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.04403469).
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000368 (56/152330) while in subpopulation AFR AF= 0.00135 (56/41578). AF 95% confidence interval is 0.00106. There are 0 homozygotes in gnomad4. There are 30 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting
BS2
High AC in GnomAd4 at 56 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MECOMNM_004991.4 linkuse as main transcriptc.3601C>A p.Leu1201Met missense_variant 17/17 ENST00000651503.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MECOMENST00000651503.2 linkuse as main transcriptc.3601C>A p.Leu1201Met missense_variant 17/17 NM_004991.4 P3Q03112-3

Frequencies

GnomAD3 genomes
AF:
0.000368
AC:
56
AN:
152212
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00135
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
GnomAD3 exomes
AF:
0.0000918
AC:
23
AN:
250430
Hom.:
0
AF XY:
0.0000591
AC XY:
8
AN XY:
135426
show subpopulations
Gnomad AFR exome
AF:
0.00129
Gnomad AMR exome
AF:
0.0000578
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.0000438
AC:
64
AN:
1461738
Hom.:
0
Cov.:
30
AF XY:
0.0000358
AC XY:
26
AN XY:
727180
show subpopulations
Gnomad4 AFR exome
AF:
0.00149
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000368
AC:
56
AN:
152330
Hom.:
0
Cov.:
32
AF XY:
0.000403
AC XY:
30
AN XY:
74486
show subpopulations
Gnomad4 AFR
AF:
0.00135
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000275
Hom.:
0
Bravo
AF:
0.000332
ESP6500AA
AF:
0.000908
AC:
4
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000988
AC:
12

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 09, 2023The c.3601C>A (p.L1201M) alteration is located in exon 17 (coding exon 17) of the MECOM gene. This alteration results from a C to A substitution at nucleotide position 3601, causing the leucine (L) at amino acid position 1201 to be replaced by a methionine (M). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.39
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.37
CADD
Benign
15
DANN
Benign
0.95
DEOGEN2
Benign
0.022
.;.;.;T;.;.;T
Eigen
Benign
-0.42
Eigen_PC
Benign
-0.51
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Uncertain
0.91
D;T;D;.;T;.;T
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.044
T;T;T;T;T;T;T
MetaSVM
Benign
-1.1
T
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D
PrimateAI
Pathogenic
0.81
D
PROVEAN
Benign
-0.69
N;.;N;N;N;N;N
REVEL
Benign
0.20
Sift
Uncertain
0.0020
D;.;D;D;D;D;D
Sift4G
Benign
0.099
T;T;T;T;T;T;T
Polyphen
1.0
D;.;.;.;.;.;.
Vest4
0.65
MVP
0.082
MPC
0.49
ClinPred
0.14
T
GERP RS
-3.0
Varity_R
0.22
gMVP
0.37

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

LitVar

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

Other links and lift over

dbSNP: rs144104039; hg19: chr3-168802816; API