6-32169319-C-G

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_006411.4(AGPAT1):​c.809G>C​(p.Arg270Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000657 in 1,612,810 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R270Q) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000071 ( 3 hom. )

Consequence

AGPAT1
NM_006411.4 missense

Scores

4
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.309

Publications

0 publications found
Variant links:
Genes affected
AGPAT1 (HGNC:324): (1-acylglycerol-3-phosphate O-acyltransferase 1) This gene encodes an enzyme that converts lysophosphatidic acid (LPA) into phosphatidic acid (PA). LPA and PA are two phospholipids involved in signal transduction and in lipid biosynthesis in cells. This enzyme localizes to the endoplasmic reticulum. This gene is located in the class III region of the human major histocompatibility complex. Alternative splicing results in two transcript variants encoding the same protein. [provided by RefSeq, Jul 2008]
PPT2-EGFL8 (HGNC:48343): (PPT2-EGFL8 readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring PPT2 (palmitoyl-protein thioesterase 2) and EGFL8 (EGF-like-domain, multiple 8) genes located in the major histocompatibility complex class III region of chromosome 6. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is thus unlikely to produce a protein product. [provided by RefSeq, Feb 2011]

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.042105615).
BS2
High Homozygotes in GnomAdExome4 at 3 gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006411.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
AGPAT1
NM_006411.4
MANE Select
c.809G>Cp.Arg270Pro
missense
Exon 7 of 7NP_006402.1A0A024RCV5
AGPAT1
NM_001371437.1
c.821G>Cp.Arg274Pro
missense
Exon 7 of 7NP_001358366.1
AGPAT1
NM_001371438.1
c.809G>Cp.Arg270Pro
missense
Exon 7 of 7NP_001358367.1Q99943

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
AGPAT1
ENST00000375107.8
TSL:1 MANE Select
c.809G>Cp.Arg270Pro
missense
Exon 7 of 7ENSP00000364248.3Q99943
AGPAT1
ENST00000336984.6
TSL:1
c.809G>Cp.Arg270Pro
missense
Exon 7 of 7ENSP00000337463.6Q99943
PPT2-EGFL8
ENST00000422437.5
TSL:5
n.*1405C>G
non_coding_transcript_exon
Exon 18 of 21ENSP00000457534.1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152086
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:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000175
AC:
43
AN:
246360
AF XY:
0.000231
show subpopulations
Gnomad AFR exome
AF:
0.0000663
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000712
AC:
104
AN:
1460724
Hom.:
3
Cov.:
31
AF XY:
0.0000950
AC XY:
69
AN XY:
726686
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00104
AC:
90
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52324
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111968
Other (OTH)
AF:
0.000199
AC:
12
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
7
15
22
30
37
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
4
8
12
16
20
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152086
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74286
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41394
American (AMR)
AF:
0.00
AC:
0
AN:
15278
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.000414
AC:
2
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68006
Other (OTH)
AF:
0.00
AC:
0
AN:
2082
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.550
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000113
ExAC
AF:
0.000143
AC:
17
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Uncertain
0.020
CADD
Benign
20
DANN
Benign
0.95
DEOGEN2
Benign
0.014
T
Eigen
Benign
-0.29
Eigen_PC
Benign
-0.13
FATHMM_MKL
Uncertain
0.82
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.042
T
MetaSVM
Benign
-0.65
T
MutationAssessor
Benign
0.67
N
PhyloP100
0.31
PrimateAI
Uncertain
0.55
T
PROVEAN
Benign
-0.21
N
REVEL
Uncertain
0.53
Sift
Benign
0.22
T
Sift4G
Benign
0.30
T
Polyphen
0.42
B
Vest4
0.17
MutPred
0.43
Loss of methylation at R270 (P = 0.0089)
MVP
0.84
MPC
1.5
ClinPred
0.042
T
GERP RS
3.8
Varity_R
0.13
gMVP
0.89
Mutation Taster
=65/35
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs748794275; hg19: chr6-32137096; API