13-113799409-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_182614.4(TMEM255B):ā€‹c.413A>Gā€‹(p.Tyr138Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,461,818 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 (ā˜…).

Frequency

Genomes: not found (cov: 33)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

TMEM255B
NM_182614.4 missense

Scores

1
10
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.25
Variant links:
Genes affected
TMEM255B (HGNC:28297): (transmembrane protein 255B) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.28789186).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMEM255BNM_182614.4 linkuse as main transcriptc.413A>G p.Tyr138Cys missense_variant 5/9 ENST00000375353.5
TMEM255BNM_001348663.2 linkuse as main transcriptc.413A>G p.Tyr138Cys missense_variant 5/8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMEM255BENST00000375353.5 linkuse as main transcriptc.413A>G p.Tyr138Cys missense_variant 5/91 NM_182614.4 P1
TMEM255BENST00000488362.5 linkuse as main transcriptc.413A>G p.Tyr138Cys missense_variant 5/52
TMEM255BENST00000375348.3 linkuse as main transcriptn.437A>G non_coding_transcript_exon_variant 5/63

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251356
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135884
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461818
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727196
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
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 GeneticsJan 30, 2024The c.413A>G (p.Y138C) alteration is located in exon 5 (coding exon 5) of the TMEM255B gene. This alteration results from a A to G substitution at nucleotide position 413, causing the tyrosine (Y) at amino acid position 138 to be replaced by a cysteine (C). 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
0.49
BayesDel_addAF
Uncertain
0.11
D
BayesDel_noAF
Uncertain
-0.080
CADD
Uncertain
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.13
T;T
Eigen
Uncertain
0.31
Eigen_PC
Uncertain
0.25
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.93
D;D
M_CAP
Benign
0.056
D
MetaRNN
Benign
0.29
T;T
MetaSVM
Benign
-0.70
T
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.52
T
PROVEAN
Pathogenic
-4.9
.;D
REVEL
Uncertain
0.33
Sift
Benign
0.056
.;T
Sift4G
Benign
0.080
T;D
Polyphen
0.98
.;D
Vest4
0.23
MutPred
0.44
Loss of phosphorylation at Y138 (P = 0.044);Loss of phosphorylation at Y138 (P = 0.044);
MVP
0.33
MPC
0.37
ClinPred
0.95
D
GERP RS
4.3
Varity_R
0.33
gMVP
0.70

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs755462147; hg19: chr13-114502382; API