12-109857580-T-C

Variant summary

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

The NM_016433.4(GLTP):ā€‹c.242A>Gā€‹(p.Tyr81Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000141 in 1,613,976 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: š‘“ 0.000033 ( 0 hom., cov: 32)
Exomes š‘“: 0.00015 ( 0 hom. )

Consequence

GLTP
NM_016433.4 missense

Scores

1
6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.41
Variant links:
Genes affected
GLTP (HGNC:24867): (glycolipid transfer protein) The protein encoded by this gene is similar to bovine and porcine proteins which accelerate transfer of certain glycosphingolipids and glyceroglycolipids between membranes. It is thought to be a cytoplasmic protein. [provided by RefSeq, Jul 2008]

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=0.32248288).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GLTPNM_016433.4 linkuse as main transcriptc.242A>G p.Tyr81Cys missense_variant 3/5 ENST00000318348.9
GLTPXM_047428937.1 linkuse as main transcriptc.119A>G p.Tyr40Cys missense_variant 2/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GLTPENST00000318348.9 linkuse as main transcriptc.242A>G p.Tyr81Cys missense_variant 3/51 NM_016433.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152182
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000795
AC:
20
AN:
251486
Hom.:
0
AF XY:
0.0000441
AC XY:
6
AN XY:
135918
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.000198
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000462
Gnomad NFE exome
AF:
0.000132
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000153
AC:
223
AN:
1461794
Hom.:
0
Cov.:
32
AF XY:
0.000157
AC XY:
114
AN XY:
727196
show subpopulations
Gnomad4 AFR exome
AF:
0.0000896
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.0000765
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000562
Gnomad4 NFE exome
AF:
0.000190
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152182
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74352
show subpopulations
Gnomad4 AFR
AF:
0.0000483
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:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000478
Hom.:
0
Bravo
AF:
0.0000453
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000741
AC:
9
EpiCase
AF:
0.000327
EpiControl
AF:
0.0000593

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 GeneticsAug 10, 2021The c.242A>G (p.Y81C) alteration is located in exon 3 (coding exon 3) of the GLTP gene. This alteration results from a A to G substitution at nucleotide position 242, causing the tyrosine (Y) at amino acid position 81 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
Benign
0.16
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Benign
-0.21
CADD
Pathogenic
30
DANN
Uncertain
0.99
DEOGEN2
Benign
0.29
T
Eigen
Uncertain
0.35
Eigen_PC
Uncertain
0.43
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.91
D
M_CAP
Benign
0.0086
T
MetaRNN
Benign
0.32
T
MetaSVM
Benign
-0.86
T
MutationAssessor
Benign
1.5
L
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
-1.6
N
REVEL
Uncertain
0.48
Sift
Benign
0.11
T
Sift4G
Benign
0.17
T
Polyphen
0.92
P
Vest4
0.44
MVP
0.56
MPC
0.45
ClinPred
0.46
T
GERP RS
4.7
Varity_R
0.50
gMVP
0.50

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: rs140842833; hg19: chr12-110295385; API