chr12-109880370-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM1PM2BP4

The NM_016433.4(GLTP):​c.5C>T​(p.Ala2Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000146 in 1,573,074 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 (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

GLTP
NM_016433.4 missense

Scores

2
7
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.71
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 3 ACMG points.

PM1
In a modified_residue N-acetylalanine (size 0) in uniprot entity GLTP_HUMAN
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.329077).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
GLTPNM_016433.4 linkuse as main transcriptc.5C>T p.Ala2Val missense_variant 1/5 ENST00000318348.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
GLTPENST00000318348.9 linkuse as main transcriptc.5C>T p.Ala2Val missense_variant 1/51 NM_016433.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151556
Hom.:
0
Cov.:
31
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:
0.0000295
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.0000148
AC:
21
AN:
1421518
Hom.:
0
Cov.:
29
AF XY:
0.0000127
AC XY:
9
AN XY:
707784
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000235
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:
0.0000183
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151556
Hom.:
0
Cov.:
31
AF XY:
0.0000135
AC XY:
1
AN XY:
73974
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:
0.0000295
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000540
Hom.:
0

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 GeneticsSep 29, 2023The c.5C>T (p.A2V) alteration is located in exon 1 (coding exon 1) of the GLTP gene. This alteration results from a C to T substitution at nucleotide position 5, causing the alanine (A) at amino acid position 2 to be replaced by a valine (V). 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
Pathogenic
0.61
BayesDel_addAF
Uncertain
0.062
T
BayesDel_noAF
Benign
-0.15
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.29
T;.;T
Eigen
Benign
0.11
Eigen_PC
Uncertain
0.24
FATHMM_MKL
Benign
0.53
D
LIST_S2
Benign
0.85
T;T;T
M_CAP
Uncertain
0.24
D
MetaRNN
Benign
0.33
T;T;T
MetaSVM
Benign
-0.76
T
MutationAssessor
Uncertain
2.6
M;.;.
MutationTaster
Benign
1.0
D;D
PrimateAI
Pathogenic
0.87
D
PROVEAN
Benign
-1.6
N;N;.
REVEL
Benign
0.092
Sift
Uncertain
0.011
D;D;.
Sift4G
Uncertain
0.024
D;D;D
Polyphen
0.15
B;.;.
Vest4
0.51
MutPred
0.36
Gain of catalytic residue at E6 (P = 0.0028);Gain of catalytic residue at E6 (P = 0.0028);Gain of catalytic residue at E6 (P = 0.0028);
MVP
0.39
MPC
0.36
ClinPred
0.56
D
GERP RS
4.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.42
gMVP
0.74

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: rs866777297; hg19: chr12-110318175; COSMIC: COSV100570444; COSMIC: COSV100570444; API