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GeneBe

2-173091023-C-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_ModerateBP6_ModerateBS1

The NM_016653.3(MAP3K20):c.-9C>T variant causes a 5 prime UTR change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000885 in 1,604,824 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.00059 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

MAP3K20
NM_016653.3 5_prime_UTR

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 7.22
Variant links:
Genes affected
MAP3K20 (HGNC:17797): (mitogen-activated protein kinase kinase kinase 20) This gene is a member of the MAPKKK family of signal transduction molecules and encodes a protein with an N-terminal kinase catalytic domain, followed by a leucine zipper motif and a sterile-alpha motif (SAM). This magnesium-binding protein forms homodimers and is located in the cytoplasm. The protein mediates gamma radiation signaling leading to cell cycle arrest and activity of this protein plays a role in cell cycle checkpoint regulation in cells. The protein also has pro-apoptotic activity. Alternate transcriptional splice variants, encoding different isoforms, have been characterized. [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 (BayesDel_noAF=-0.19).
BP6
Variant 2-173091023-C-T is Benign according to our data. Variant chr2-173091023-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3046499.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.000593 (90/151710) while in subpopulation AMR AF= 0.00584 (89/15230). AF 95% confidence interval is 0.00486. There are 0 homozygotes in gnomad4. There are 60 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MAP3K20NM_016653.3 linkuse as main transcriptc.-9C>T 5_prime_UTR_variant 2/20 ENST00000375213.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MAP3K20ENST00000375213.8 linkuse as main transcriptc.-9C>T 5_prime_UTR_variant 2/201 NM_016653.3 P1Q9NYL2-1

Frequencies

GnomAD3 genomes
AF:
0.000593
AC:
90
AN:
151710
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00584
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:
0.000176
AC:
43
AN:
244112
Hom.:
0
AF XY:
0.000128
AC XY:
17
AN XY:
132442
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00130
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:
0.000171
GnomAD4 exome
AF:
0.0000358
AC:
52
AN:
1453114
Hom.:
0
Cov.:
31
AF XY:
0.0000346
AC XY:
25
AN XY:
723160
show subpopulations
Gnomad4 AFR exome
AF:
0.0000308
Gnomad4 AMR exome
AF:
0.00112
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000669
GnomAD4 genome
AF:
0.000593
AC:
90
AN:
151710
Hom.:
0
Cov.:
31
AF XY:
0.000810
AC XY:
60
AN XY:
74066
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.00584
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:
0.0000712
Hom.:
0
Bravo
AF:
0.000756

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

MAP3K20-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesApr 10, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.19
Cadd
Benign
20
Dann
Benign
0.94
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs759454500; hg19: chr2-173955751; API