8-120459231-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_022045.5(MTBP):​c.764G>A​(p.Ser255Asn) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000206 in 1,456,678 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

MTBP
NM_022045.5 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.422
Variant links:
Genes affected
MTBP (HGNC:7417): (MDM2 binding protein) This gene encodes a protein that interacts with the oncoprotein mouse double minute 2. The encoded protein regulates progression through the cell cycle and may be involved in tumor formation. [provided by RefSeq, Aug 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MTBPNM_022045.5 linkuse as main transcriptc.764G>A p.Ser255Asn missense_variant 8/22 ENST00000305949.6 NP_071328.2
MTBPXM_011516962.3 linkuse as main transcriptc.764G>A p.Ser255Asn missense_variant 8/18 XP_011515264.1
MTBPXM_011516963.3 linkuse as main transcriptc.764G>A p.Ser255Asn missense_variant 8/14 XP_011515265.1
MTBPXR_928318.3 linkuse as main transcriptn.816G>A non_coding_transcript_exon_variant 8/19

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MTBPENST00000305949.6 linkuse as main transcriptc.764G>A p.Ser255Asn missense_variant 8/221 NM_022045.5 ENSP00000303398 P1Q96DY7-1
MTBPENST00000523373.5 linkuse as main transcriptc.764G>A p.Ser255Asn missense_variant, NMD_transcript_variant 8/115 ENSP00000430771 Q96DY7-3
MTBPENST00000522449.1 linkuse as main transcript upstream_gene_variant 1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000403
AC:
1
AN:
248014
Hom.:
0
AF XY:
0.00000746
AC XY:
1
AN XY:
133984
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000549
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:
0.00000206
AC:
3
AN:
1456678
Hom.:
0
Cov.:
29
AF XY:
0.00000276
AC XY:
2
AN XY:
724538
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000254
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.00000824
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 testingAmbry GeneticsDec 01, 2022The c.764G>A (p.S255N) alteration is located in exon 8 (coding exon 8) of the MTBP gene. This alteration results from a G to A substitution at nucleotide position 764, causing the serine (S) at amino acid position 255 to be replaced by an asparagine (N). 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
0.093
BayesDel_addAF
Benign
-0.40
T
BayesDel_noAF
Benign
-0.64
CADD
Benign
20
DANN
Benign
0.93
DEOGEN2
Benign
0.056
T
Eigen
Benign
-0.29
Eigen_PC
Benign
-0.13
FATHMM_MKL
Benign
0.38
N
LIST_S2
Benign
0.59
T
M_CAP
Benign
0.0026
T
MetaRNN
Benign
0.095
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.6
L
MutationTaster
Benign
0.97
N
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-0.52
N
REVEL
Benign
0.051
Sift
Benign
0.15
T
Sift4G
Benign
0.48
T
Polyphen
0.0040
B
Vest4
0.13
MutPred
0.32
Loss of sheet (P = 0.0817);
MVP
0.26
MPC
0.54
ClinPred
0.34
T
GERP RS
3.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.059
gMVP
0.29

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.41
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.41
Position offset: 23

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: rs771589634; hg19: chr8-121471471; API