chr18-2937761-C-T

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBS1_Supporting

The NM_014646.2(LPIN2):​c.1099G>A​(p.Ala367Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000465 in 1,614,068 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000046 ( 1 hom. )

Consequence

LPIN2
NM_014646.2 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:4

Conservation

PhyloP100: 0.596

Publications

1 publications found
Variant links:
Genes affected
LPIN2 (HGNC:14450): (lipin 2) Mouse studies suggest that this gene functions during normal adipose tissue development and may play a role in human triglyceride metabolism. This gene represents a candidate gene for human lipodystrophy, characterized by loss of body fat, fatty liver, hypertriglyceridemia, and insulin resistance. [provided by RefSeq, Jul 2008]
LPIN2 Gene-Disease associations (from GenCC):
  • Majeed syndrome
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.017781109).
BS1
Variant frequency is greater than expected in population eas. GnomAd4 allele frequency = 0.0000526 (8/152194) while in subpopulation EAS AF = 0.000774 (4/5170). AF 95% confidence interval is 0.000263. There are 0 homozygotes in GnomAd4. There are 3 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014646.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LPIN2
NM_001375808.2
MANE Select
c.1099G>Ap.Ala367Thr
missense
Exon 7 of 20NP_001362737.1
LPIN2
NM_001375809.1
c.1099G>Ap.Ala367Thr
missense
Exon 7 of 20NP_001362738.1
LPIN2
NM_014646.2
c.1099G>Ap.Ala367Thr
missense
Exon 7 of 20NP_055461.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LPIN2
ENST00000677752.1
MANE Select
c.1099G>Ap.Ala367Thr
missense
Exon 7 of 20ENSP00000504857.1
LPIN2
ENST00000261596.9
TSL:1
c.1099G>Ap.Ala367Thr
missense
Exon 8 of 21ENSP00000261596.4
LPIN2
ENST00000697040.1
c.1099G>Ap.Ala367Thr
missense
Exon 7 of 20ENSP00000513062.1

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152076
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000772
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000437
AC:
11
AN:
251478
AF XY:
0.0000294
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000435
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000458
AC:
67
AN:
1461874
Hom.:
1
Cov.:
34
AF XY:
0.0000385
AC XY:
28
AN XY:
727240
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33480
American (AMR)
AF:
0.0000224
AC:
1
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.000353
AC:
14
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53416
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000629
AC:
7
AN:
1111996
Other (OTH)
AF:
0.000729
AC:
44
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.491
Heterozygous variant carriers
0
4
8
11
15
19
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000526
AC:
8
AN:
152194
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74424
show subpopulations
African (AFR)
AF:
0.0000482
AC:
2
AN:
41526
American (AMR)
AF:
0.00
AC:
0
AN:
15276
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000774
AC:
4
AN:
5170
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10598
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68010
Other (OTH)
AF:
0.000473
AC:
1
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.463
Heterozygous variant carriers
0
1
2
2
3
4
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:
0.0000434
Hom.:
0
Bravo
AF:
0.0000642
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000412
AC:
5
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Majeed syndrome (2)
-
1
-
Inborn genetic diseases (1)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.061
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.45
CADD
Benign
8.4
DANN
Benign
0.83
DEOGEN2
Benign
0.039
T
Eigen
Benign
-0.96
Eigen_PC
Benign
-0.89
FATHMM_MKL
Benign
0.075
N
LIST_S2
Benign
0.14
T
M_CAP
Uncertain
0.093
D
MetaRNN
Benign
0.018
T
MetaSVM
Benign
-0.89
T
MutationAssessor
Benign
-0.14
N
PhyloP100
0.60
PrimateAI
Benign
0.30
T
PROVEAN
Benign
-0.060
N
REVEL
Benign
0.14
Sift
Benign
0.57
T
Sift4G
Benign
0.58
T
Polyphen
0.012
B
Vest4
0.10
MutPred
0.13
Gain of glycosylation at A367 (P = 0.0236)
MVP
0.23
MPC
0.23
ClinPred
0.018
T
GERP RS
3.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.020
gMVP
0.15
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs540544894; hg19: chr18-2937759; API