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GeneBe

7-135927333-C-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_145808.4(MTPN):c.*2593G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00004 in 1,550,962 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 0.000039 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000040 ( 0 hom. )

Consequence

MTPN
NM_145808.4 3_prime_UTR

Scores

1
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.118
Variant links:
Genes affected
MTPN (HGNC:15667): (myotrophin) The transcript produced from this gene is bi-cistronic and can encode both myotrophin and leucine zipper protein 6. The myotrophin protein is associated with cardiac hypertrophy, where it is involved in the conversion of NFkappa B p50-p65 heterodimers to p50-p50 and p65-p65 homodimers. This protein also has a potential function in cerebellar morphogenesis, and it may be involved in the differentiation of cerebellar neurons, particularly of granule cells. A cryptic ORF at the 3' end of this transcript uses a novel internal ribosome entry site and a non-AUG translation initiation codon to produce leucine zipper protein 6, a 6.4 kDa tumor antigen that is associated with myeloproliferative disease. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.008589894).
BS2
High AC in GnomAd at 6 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MTPNNM_145808.4 linkuse as main transcriptc.*2593G>A 3_prime_UTR_variant 4/4 ENST00000393085.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MTPNENST00000393085.4 linkuse as main transcriptc.*2593G>A 3_prime_UTR_variant 4/41 NM_145808.4 P1
ENST00000419211.2 linkuse as main transcriptn.879+748C>T intron_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152116
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000770
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
GnomAD3 exomes
AF:
0.0000862
AC:
13
AN:
150880
Hom.:
0
AF XY:
0.0000872
AC XY:
7
AN XY:
80254
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000734
Gnomad SAS exome
AF:
0.000176
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000400
AC:
56
AN:
1398846
Hom.:
0
Cov.:
30
AF XY:
0.0000420
AC XY:
29
AN XY:
689942
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000392
Gnomad4 SAS exome
AF:
0.000164
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000204
Gnomad4 OTH exome
AF:
0.0000862
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152116
Hom.:
0
Cov.:
32
AF XY:
0.0000673
AC XY:
5
AN XY:
74312
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000770
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000604
ExAC
AF:
0.000182
AC:
4

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 testingAmbry GeneticsOct 27, 2022The c.118G>A (p.V40I) alteration is located in exon 4 (coding exon 1) of the LUZP6 gene. This alteration results from a G to A substitution at nucleotide position 118, causing the valine (V) at amino acid position 40 to be replaced by an isoleucine (I). 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
Benign
0.087
BayesDel_addAF
Benign
-0.59
T
BayesDel_noAF
Benign
-0.71
Cadd
Benign
9.4
Dann
Benign
0.69
FATHMM_MKL
Benign
0.045
N
MetaRNN
Benign
0.0086
T
MutationTaster
Benign
1.0
N
Sift4G
Pathogenic
0.0
D
MVP
0.13
GERP RS
-0.53
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
gMVP
0.0024

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs778112516; hg19: chr7-135612081; API