chr11-74493615-A-G

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP5_Moderate

The NM_001144869.3(LIPT2):​c.89T>C​(p.Leu30Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000892 in 1,456,996 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L30V) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 35)
Exomes 𝑓: 0.0000038 ( 0 hom. )

Consequence

LIPT2
NM_001144869.3 missense

Scores

6
4
8

Clinical Significance

Likely pathogenic criteria provided, single submitter P:2U:1

Conservation

PhyloP100: 1.60

Publications

1 publications found
Variant links:
Genes affected
LIPT2 (HGNC:37216): (lipoyl(octanoyl) transferase 2) This gene encodes a mitochondrial protein that catalyzes the transfer of octanoic acid to lipoate-dependent enzymes such as octanoyl-ACP. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2016]
LIPT2-AS1 (HGNC:56172): (LIPT2 antisense RNA 1)
POLD3 (HGNC:20932): (DNA polymerase delta 3, accessory subunit) This gene encodes the 66-kDa subunit of DNA polymerase delta. DNA polymerase delta possesses both polymerase and 3' to 5' exonuclease activity and plays a critical role in DNA replication and repair. The encoded protein plays a role in regulating the activity of DNA polymerase delta through interactions with other subunits and the processivity cofactor proliferating cell nuclear antigen (PCNA). Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, Mar 2012]
POLD3 Gene-Disease associations (from GenCC):
  • hearing loss disorder
    Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 11-74493615-A-G is Pathogenic according to our data. Variant chr11-74493615-A-G is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 438640.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001144869.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LIPT2
NM_001144869.3
MANE Select
c.89T>Cp.Leu30Pro
missense
Exon 1 of 2NP_001138341.1
LIPT2
NM_001329941.2
c.89T>Cp.Leu30Pro
missense
Exon 1 of 2NP_001316870.1
LIPT2
NM_001329942.2
c.89T>Cp.Leu30Pro
missense
Exon 1 of 2NP_001316871.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LIPT2
ENST00000310109.5
TSL:2 MANE Select
c.89T>Cp.Leu30Pro
missense
Exon 1 of 2ENSP00000309463.4
LIPT2-AS1
ENST00000526036.1
TSL:1
n.250A>G
non_coding_transcript_exon
Exon 1 of 2
LIPT2
ENST00000528085.1
TSL:3
c.32T>Cp.Leu11Pro
missense
Exon 1 of 2ENSP00000433005.1

Frequencies

GnomAD3 genomes
AF:
0.0000526
AC:
8
AN:
152148
Hom.:
0
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.000193
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00
AC:
0
AN:
66048
AF XY:
0.00
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000383
AC:
5
AN:
1304740
Hom.:
0
Cov.:
52
AF XY:
0.00000467
AC XY:
3
AN XY:
641812
show subpopulations
African (AFR)
AF:
0.000114
AC:
3
AN:
26426
American (AMR)
AF:
0.00
AC:
0
AN:
24526
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
22580
East Asian (EAS)
AF:
0.00
AC:
0
AN:
28214
South Asian (SAS)
AF:
0.00
AC:
0
AN:
70214
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
32280
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
3978
European-Non Finnish (NFE)
AF:
0.00000192
AC:
2
AN:
1042450
Other (OTH)
AF:
0.00
AC:
0
AN:
54072
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.535
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.0000525
AC:
8
AN:
152256
Hom.:
0
Cov.:
35
AF XY:
0.0000403
AC XY:
3
AN XY:
74460
show subpopulations
African (AFR)
AF:
0.000192
AC:
8
AN:
41566
American (AMR)
AF:
0.00
AC:
0
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67982
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.513
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:
0.00
Hom.:
0
Bravo
AF:
0.0000680

ClinVar

ClinVar submissions as Germline

Significance:Likely pathogenic
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
2
-
-
Encephalopathy, neonatal severe, with lactic acidosis and brain abnormalities (2)
-
1
-
LIPT2-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.65
BayesDel_addAF
Pathogenic
0.31
D
BayesDel_noAF
Pathogenic
0.21
CADD
Benign
22
DANN
Uncertain
0.98
DEOGEN2
Benign
0.30
T
Eigen
Benign
0.023
Eigen_PC
Benign
-0.032
FATHMM_MKL
Benign
0.11
N
LIST_S2
Benign
0.59
T
M_CAP
Pathogenic
0.81
D
MetaRNN
Uncertain
0.60
D
MetaSVM
Uncertain
0.49
D
MutationAssessor
Uncertain
2.3
M
PhyloP100
1.6
PrimateAI
Pathogenic
0.85
D
PROVEAN
Benign
-2.1
N
REVEL
Pathogenic
0.68
Sift
Benign
0.11
T
Sift4G
Benign
0.12
T
Polyphen
0.90
P
Vest4
0.37
MutPred
0.66
Gain of disorder (P = 0.0084)
MVP
0.59
ClinPred
0.94
D
GERP RS
3.6
PromoterAI
0.052
Neutral
Varity_R
0.68
gMVP
0.83
Mutation Taster
=22/78
disease causing (ClinVar)

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: rs539962457; hg19: chr11-74204660; API