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GeneBe

13-113804982-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_182614.4(TMEM255B):​c.767C>T​(p.Thr256Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000187 in 1,606,158 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000019 ( 0 hom. )

Consequence

TMEM255B
NM_182614.4 missense

Scores

3
16

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.92
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 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.15363923).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMEM255BNM_182614.4 linkuse as main transcriptc.767C>T p.Thr256Met missense_variant 8/9 ENST00000375353.5
TMEM255BNM_001348663.2 linkuse as main transcriptc.669+3170C>T intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMEM255BENST00000375353.5 linkuse as main transcriptc.767C>T p.Thr256Met missense_variant 8/91 NM_182614.4 P1
TMEM255BENST00000467169.1 linkuse as main transcriptn.381C>T non_coding_transcript_exon_variant 2/33

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152164
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000294
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000370
AC:
9
AN:
243356
Hom.:
0
AF XY:
0.0000151
AC XY:
2
AN XY:
132368
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000879
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000547
Gnomad SAS exome
AF:
0.0000329
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000357
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000186
AC:
27
AN:
1453994
Hom.:
0
Cov.:
33
AF XY:
0.0000207
AC XY:
15
AN XY:
723542
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000672
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000180
Gnomad4 OTH exome
AF:
0.0000332
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152164
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74318
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000294
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.0000609
Hom.:
0
Bravo
AF:
0.0000378
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.0000594

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.073
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.44
CADD
Benign
18
DANN
Uncertain
1.0
DEOGEN2
Benign
0.0056
T
Eigen
Benign
-0.34
Eigen_PC
Benign
-0.52
FATHMM_MKL
Benign
0.21
N
LIST_S2
Benign
0.32
T
M_CAP
Benign
0.020
T
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.39
T
PROVEAN
Benign
-1.6
N
REVEL
Benign
0.093
Sift
Uncertain
0.0040
D
Sift4G
Uncertain
0.0070
D
Polyphen
0.98
D
Vest4
0.34
MutPred
0.28
Loss of glycosylation at T256 (P = 0.0069);
MVP
0.19
MPC
0.22
ClinPred
0.84
D
GERP RS
1.7
Varity_R
0.041
gMVP
0.42

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: rs778415708; hg19: chr13-114507955; COSMIC: COSV64711450; COSMIC: COSV64711450; API