12-125350160-C-T

Variant summary

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

The NM_001366854.1(TMEM132B):​c.776C>T​(p.Pro259Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,198 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Consequence

TMEM132B
NM_001366854.1 missense

Scores

5
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.69
Variant links:
Genes affected
TMEM132B (HGNC:29397): (transmembrane protein 132B) 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=0.15318799).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM132BNM_001366854.1 linkc.776C>T p.Pro259Leu missense_variant 2/9 ENST00000682704.1 NP_001353783.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM132BENST00000682704.1 linkc.776C>T p.Pro259Leu missense_variant 2/9 NM_001366854.1 ENSP00000507790.1 A0A804HK64
TMEM132BENST00000299308.7 linkc.761C>T p.Pro254Leu missense_variant 2/95 ENSP00000299308.3 Q14DG7-1
TMEM132BENST00000534945.2 linkn.709C>T non_coding_transcript_exon_variant 1/45

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152198
Hom.:
0
Cov.:
33
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:
0.00
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
GnomAD4 exome
Cov.:
35
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152198
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74356
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

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 GeneticsApr 29, 2024The c.761C>T (p.P254L) alteration is located in exon 2 (coding exon 2) of the TMEM132B gene. This alteration results from a C to T substitution at nucleotide position 761, causing the proline (P) at amino acid position 254 to be replaced by a leucine (L). 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
0.081
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
17
DANN
Uncertain
0.98
DEOGEN2
Benign
0.13
T
Eigen
Benign
-0.53
Eigen_PC
Benign
-0.53
FATHMM_MKL
Benign
0.62
D
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.018
T
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.6
M
PrimateAI
Benign
0.43
T
PROVEAN
Uncertain
-2.6
D
REVEL
Benign
0.069
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.0050
D
Polyphen
0.078
B
Vest4
0.14
MutPred
0.33
Loss of disorder (P = 0.026);
MVP
0.085
MPC
0.26
ClinPred
0.48
T
GERP RS
4.2
Varity_R
0.070
gMVP
0.33

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: rs1877512260; hg19: chr12-125834706; COSMIC: COSV54763004; COSMIC: COSV54763004; API