chr17-7855108-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000301599.7(TMEM88):​c.34C>T​(p.Pro12Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000106 in 1,607,250 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 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: 32)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

TMEM88
ENST00000301599.7 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.346
Variant links:
Genes affected
TMEM88 (HGNC:32371): (transmembrane protein 88) Predicted to enable PDZ domain binding activity. Involved in negative regulation of canonical Wnt signaling pathway; protein localization to plasma membrane; and protein stabilization. Located in cytosol and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.04514706).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMEM88NM_203411.2 linkuse as main transcriptc.34C>T p.Pro12Ser missense_variant 1/2 ENST00000301599.7 NP_981956.1
TMEM88NM_001319941.1 linkuse as main transcriptc.34C>T p.Pro12Ser missense_variant 1/2 NP_001306870.1
TMEM88XM_005256856.4 linkuse as main transcriptc.34C>T p.Pro12Ser missense_variant 1/2 XP_005256913.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMEM88ENST00000301599.7 linkuse as main transcriptc.34C>T p.Pro12Ser missense_variant 1/21 NM_203411.2 ENSP00000301599 P1
TMEM88ENST00000574668.1 linkuse as main transcriptc.34C>T p.Pro12Ser missense_variant 1/22 ENSP00000459725

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152132
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.0000455
AC:
11
AN:
241910
Hom.:
0
AF XY:
0.0000379
AC XY:
5
AN XY:
131876
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000321
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:
0.00
GnomAD4 exome
AF:
0.0000110
AC:
16
AN:
1455118
Hom.:
0
Cov.:
32
AF XY:
0.00000967
AC XY:
7
AN XY:
724084
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000336
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:
9.00e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152132
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
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
ExAC
AF:
0.0000165
AC:
2

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 GeneticsMar 11, 2022The c.34C>T (p.P12S) alteration is located in exon 1 (coding exon 1) of the TMEM88 gene. This alteration results from a C to T substitution at nucleotide position 34, causing the proline (P) at amino acid position 12 to be replaced by a serine (S). 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
0.068
BayesDel_addAF
Benign
-0.56
T
BayesDel_noAF
Benign
-0.73
CADD
Benign
2.3
DANN
Uncertain
0.98
DEOGEN2
Benign
0.025
T;.
Eigen
Benign
-1.3
Eigen_PC
Benign
-1.2
FATHMM_MKL
Benign
0.18
N
LIST_S2
Benign
0.45
T;T
M_CAP
Benign
0.0054
T
MetaRNN
Benign
0.045
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N;.
MutationTaster
Benign
1.0
N;N
PrimateAI
Uncertain
0.56
T
PROVEAN
Benign
-1.3
N;.
REVEL
Benign
0.037
Sift
Benign
0.11
T;.
Sift4G
Benign
0.51
T;T
Polyphen
0.0
B;.
Vest4
0.11
MutPred
0.16
Gain of glycosylation at P12 (P = 0.0053);Gain of glycosylation at P12 (P = 0.0053);
MVP
0.048
MPC
0.020
ClinPred
0.063
T
GERP RS
2.1
Varity_R
0.027
gMVP
0.38

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: rs778195848; hg19: chr17-7758426; COSMIC: COSV105013701; COSMIC: COSV105013701; API