rs748557980

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_001244949.2(GPAM):​c.1669A>T​(p.Ile557Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,652 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

GPAM
NM_001244949.2 missense

Scores

2
13
4

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.05
Variant links:
Genes affected
GPAM (HGNC:24865): (glycerol-3-phosphate acyltransferase, mitochondrial) This gene encodes a mitochondrial enzyme which prefers saturated fatty acids as its substrate for the synthesis of glycerolipids. This metabolic pathway's first step is catalyzed by the encoded enzyme. Two forms for this enzyme exist, one in the mitochondria and one in the endoplasmic reticulum. Two alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Oct 2011]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
GPAMNM_001244949.2 linkc.1669A>T p.Ile557Phe missense_variant Exon 16 of 22 ENST00000348367.9 NP_001231878.1 Q9HCL2Q8N1G6Q86T70

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
GPAMENST00000348367.9 linkc.1669A>T p.Ile557Phe missense_variant Exon 16 of 22 1 NM_001244949.2 ENSP00000265276.4 Q9HCL2
GPAMENST00000369425.5 linkc.1669A>T p.Ile557Phe missense_variant Exon 16 of 19 1 ENSP00000358433.1 Q5VW52

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461652
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727138
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.60
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.070
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.37
T;.
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.50
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D
M_CAP
Benign
0.034
D
MetaRNN
Uncertain
0.69
D;D
MetaSVM
Benign
-0.39
T
MutationAssessor
Uncertain
2.5
M;.
PrimateAI
Uncertain
0.58
T
PROVEAN
Uncertain
-3.5
D;D
REVEL
Uncertain
0.37
Sift
Uncertain
0.0030
D;D
Sift4G
Uncertain
0.0090
D;D
Polyphen
0.92
P;D
Vest4
0.66
MutPred
0.41
Loss of catalytic residue at P559 (P = 0.0572);Loss of catalytic residue at P559 (P = 0.0572);
MVP
0.77
MPC
0.63
ClinPred
0.91
D
GERP RS
6.1
Varity_R
0.51
gMVP
0.76

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.19
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr10-113920452; API