chr6-161146595-T-A

Variant summary

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

The NM_020133.3(AGPAT4):​c.772A>T​(p.Ile258Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000322 in 1,613,948 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 0.000033 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000032 ( 0 hom. )

Consequence

AGPAT4
NM_020133.3 missense

Scores

8
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.58
Variant links:
Genes affected
AGPAT4 (HGNC:20885): (1-acylglycerol-3-phosphate O-acyltransferase 4) This gene encodes a member of the 1-acylglycerol-3-phosphate O-acyltransferase family. This integral membrane protein converts lysophosphatidic acid to phosphatidic acid, the second step in de novo phospholipid biosynthesis. [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=0.3964063).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
AGPAT4NM_020133.3 linkc.772A>T p.Ile258Phe missense_variant 7/9 ENST00000320285.9 NP_064518.1 Q9NRZ5-1
LOC124901455XR_007059860.1 linkn.6369T>A non_coding_transcript_exon_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
AGPAT4ENST00000320285.9 linkc.772A>T p.Ile258Phe missense_variant 7/91 NM_020133.3 ENSP00000314036.4 Q9NRZ5-1
AGPAT4ENST00000366911 linkc.*245A>T 3_prime_UTR_variant 6/81 ENSP00000355878.5 Q6AI25
AGPAT4ENST00000437165.1 linkc.106A>T p.Ile36Phe missense_variant 2/35 ENSP00000400211.1 H0Y5R3

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152160
Hom.:
0
Cov.:
32
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251240
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135814
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000322
AC:
47
AN:
1461788
Hom.:
0
Cov.:
31
AF XY:
0.0000248
AC XY:
18
AN XY:
727210
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000396
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152160
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74326
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:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000284
Hom.:
0
Bravo
AF:
0.0000378
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1

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 GeneticsJan 10, 2023The c.772A>T (p.I258F) alteration is located in exon 7 (coding exon 6) of the AGPAT4 gene. This alteration results from a A to T substitution at nucleotide position 772, causing the isoleucine (I) at amino acid position 258 to be replaced by a phenylalanine (F). 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
0.14
BayesDel_addAF
Uncertain
0.13
D
BayesDel_noAF
Uncertain
-0.060
CADD
Benign
23
DANN
Benign
0.89
DEOGEN2
Benign
0.072
T
Eigen
Uncertain
0.21
Eigen_PC
Benign
0.22
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Benign
0.76
T
M_CAP
Uncertain
0.099
D
MetaRNN
Benign
0.40
T
MetaSVM
Uncertain
0.21
D
MutationAssessor
Benign
1.7
L
PrimateAI
Uncertain
0.70
T
PROVEAN
Benign
-2.0
N
REVEL
Uncertain
0.55
Sift
Benign
0.36
T
Sift4G
Benign
0.23
T
Polyphen
1.0
D
Vest4
0.23
MVP
0.50
MPC
2.2
ClinPred
0.76
D
GERP RS
5.0
Varity_R
0.21
gMVP
0.78

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
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: rs779574861; hg19: chr6-161567627; COSMIC: COSV57243338; COSMIC: COSV57243338; API