2-99161959-T-C

Variant summary

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

The NM_145199.3(LIPT1):​c.2T>C​(p.Met1?) variant causes a start lost, splice region change. The variant allele was found at a frequency of 0.0000754 in 1,592,250 control chromosomes in the GnomAD database, including 1 homozygotes. 1/1 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000081 ( 1 hom. )

Consequence

LIPT1
NM_145199.3 start_lost, splice_region

Scores

4
6
5

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 4.01

Publications

1 publications found
Variant links:
Genes affected
LIPT1 (HGNC:29569): (lipoyltransferase 1) The process of transferring lipoic acid to proteins is a two-step process. The first step is the activation of lipoic acid by lipoate-activating enzyme to form lipoyl-AMP. For the second step, the protein encoded by this gene transfers the lipoyl moiety to apoproteins. Alternative splicing results in multiple transcript variants. A related pseudogene has been identified on chromosome 13. Read-through transcription also exists between this gene and the neighboring downstream mitochondrial ribosomal protein L30 (MRPL30) gene. [provided by RefSeq, Mar 2011]
MITD1 (HGNC:25207): (microtubule interacting and trafficking domain containing 1) Abscission, the separation of daughter cells at the end of cytokinesis, is effected by endosomal sorting complexes required for transport III (ESCRT-III). The protein encoded by this gene functions as a homodimer, with the N-termini binding to a subset of ESCRT-III subunits and the C-termini binding to membranes. The encoded protein regulates ESCRT-III activity and is required for proper cytokinesis. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Feb 2016]

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 2-99161959-T-C is Pathogenic according to our data. Variant chr2-99161959-T-C is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 1208630.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_145199.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LIPT1
NM_145199.3
MANE Select
c.2T>Cp.Met1?
start_lost splice_region
Exon 2 of 2NP_660200.1Q9Y234
LIPT1
NM_001204830.2
c.2T>Cp.Met1?
start_lost splice_region
Exon 3 of 3NP_001191759.1Q9Y234
LIPT1
NM_015929.4
c.2T>Cp.Met1?
start_lost splice_region
Exon 3 of 3NP_057013.1Q9Y234

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LIPT1
ENST00000651691.1
MANE Select
c.2T>Cp.Met1?
start_lost splice_region
Exon 2 of 2ENSP00000498546.1Q9Y234
LIPT1
ENST00000393473.6
TSL:1
c.2T>Cp.Met1?
start_lost splice_region
Exon 3 of 3ENSP00000377115.2Q9Y234
ENSG00000273155
ENST00000410042.1
TSL:2
c.-28+5533T>C
intron
N/AENSP00000387111.1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152214
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000167
AC:
4
AN:
239378
AF XY:
0.0000308
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000365
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000806
AC:
116
AN:
1440036
Hom.:
1
Cov.:
30
AF XY:
0.0000868
AC XY:
62
AN XY:
714088
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
32502
American (AMR)
AF:
0.00
AC:
0
AN:
41042
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25262
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39342
South Asian (SAS)
AF:
0.00
AC:
0
AN:
84004
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53016
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5638
European-Non Finnish (NFE)
AF:
0.000103
AC:
113
AN:
1099924
Other (OTH)
AF:
0.0000506
AC:
3
AN:
59306
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.452
Heterozygous variant carriers
0
4
9
13
18
22
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
10
20
30
40
50
<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:
0.0000263
AC:
4
AN:
152214
Hom.:
0
Cov.:
31
AF XY:
0.0000538
AC XY:
4
AN XY:
74366
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41452
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000441
AC:
3
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
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

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:
0.0000452
Hom.:
0
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000247
AC:
3
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

ClinVar submissions
Significance:Likely pathogenic
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
1
-
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.55
D
BayesDel_noAF
Pathogenic
0.39
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.086
T
Eigen
Uncertain
0.51
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Uncertain
0.90
D
M_CAP
Benign
0.026
D
MetaRNN
Uncertain
0.65
D
MetaSVM
Benign
-0.83
T
PhyloP100
4.0
PROVEAN
Benign
-0.44
N
REVEL
Benign
0.22
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.26
B
Vest4
0.70
MVP
0.63
ClinPred
0.96
D
GERP RS
5.1
Varity_R
0.75
gMVP
0.62
Mutation Taster
=47/153
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs367951310; hg19: chr2-99778422; API