chr10-112153638-A-C

Variant names:

• chr10-112153638-A-C
• rs1247022675
• NM_001244949.2:c.2399T>G

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_001244949.2(GPAM):​c.2399T>G​(p.Val800Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,610,316 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 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: 6.9e-7 (0 hom.)
• Consequence: GPAM NM_001244949.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.37
• Publications: 0 publications found

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]

ENSG00000295048 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.107880026).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001244949.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GPAM	NM_001244949.2	MANE Select	c.2399T>G	p.Val800Gly	missense	Exon 22 of 22	NP_001231878.1	Q9HCL2
	GPAM	NM_020918.6		c.2399T>G	p.Val800Gly	missense	Exon 22 of 22	NP_065969.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GPAM	ENST00000348367.9	TSL:1 MANE Select	c.2399T>G	p.Val800Gly	missense	Exon 22 of 22	ENSP00000265276.4	Q9HCL2
	GPAM	ENST00000964625.1		c.2420T>G	p.Val807Gly	missense	Exon 22 of 22	ENSP00000634684.1
	GPAM	ENST00000901835.1		c.2399T>G	p.Val800Gly	missense	Exon 22 of 22	ENSP00000571894.1

Frequencies

GnomAD3 genomes AF: 0.00000658 AC: 1 AN: 151912 Hom.: 0 Cov.: 32

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: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 6.86e-7 AC: 1 AN: 1458404 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 725702

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33376

American (AMR) AF: 0.00 AC: 0 AN: 44718

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26116

East Asian (EAS) AF: 0.00 AC: 0 AN: 39674

South Asian (SAS) AF: 0.00 AC: 0 AN: 86174

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53230

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5748

European-Non Finnish (NFE) AF: 9.02e-7 AC: 1 AN: 1109106

Other (OTH) AF: 0.00 AC: 0 AN: 60262

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome AF: 0.00000658 AC: 1 AN: 151912 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74198

African (AFR) AF: 0.00 AC: 0 AN: 41308

American (AMR) AF: 0.00 AC: 0 AN: 15242

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3464

East Asian (EAS) AF: 0.00 AC: 0 AN: 5190

South Asian (SAS) AF: 0.00 AC: 0 AN: 4822

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10580

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 67992

Other (OTH) AF: 0.00 AC: 0 AN: 2088

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000756

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.099
BayesDel_addAF	Benign	-0.11	T
BayesDel_noAF	Benign	-0.40
CADD	Benign	18
DANN	Benign	0.87
DEOGEN2	Benign	0.32	T
Eigen	Benign	-0.58
Eigen_PC	Benign	-0.45
FATHMM_MKL	Uncertain	0.88	D
LIST_S2	Benign	0.60	T
M_CAP	Benign	0.014	T
MetaRNN	Benign	0.11	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	-0.23	N
PhyloP100		3.4
PrimateAI	Benign	0.37	T
PROVEAN	Benign	-2.0	N
REVEL	Benign	0.18
Sift	Uncertain	0.0070	D
Sift4G	Benign	0.11	T
Polyphen		0.0	B
Vest4		0.13
MutPred		0.54		Loss of stability (P = 0.0038)
MVP		0.27
MPC		0.36
ClinPred		0.46	T
GERP RS		1.8
Varity_R		0.13
gMVP		0.67
Mutation Taster		=80/20	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.16		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs1247022675; hg19: chr10-113913396;