chr2-55240079-C-T

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_002453.3(MTIF2):​c.1802G>A​(p.Arg601His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000285 in 1,613,754 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R601C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00016 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

MTIF2
NM_002453.3 missense

Scores

1
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0750

Publications

0 publications found
Variant links:
Genes affected
MTIF2 (HGNC:7441): (mitochondrial translational initiation factor 2) During the initiation of protein biosynthesis, initiation factor-2 (IF-2) promotes the binding of the initiator tRNA to the small subunit of the ribosome in a GTP-dependent manner. Prokaryotic IF-2 is a single polypeptide, while eukaryotic cytoplasmic IF-2 (eIF-2) is a trimeric protein. Bovine liver mitochondria contain IF-2(mt), an 85-kD monomeric protein that is equivalent to prokaryotic IF-2. The predicted 727-amino acid human protein contains a 29-amino acid presequence. Human IF-2(mt) shares 32 to 38% amino acid sequence identity with yeast IF-2(mt) and several prokaryotic IF-2s, with the greatest degree of conservation in the G domains of the proteins. [provided by RefSeq, Mar 2016]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.043563396).
BP6
Variant 2-55240079-C-T is Benign according to our data. Variant chr2-55240079-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 3215520.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002453.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MTIF2
NM_002453.3
MANE Select
c.1802G>Ap.Arg601His
missense
Exon 14 of 16NP_002444.2
MTIF2
NM_001005369.1
c.1802G>Ap.Arg601His
missense
Exon 15 of 17NP_001005369.1P46199
MTIF2
NM_001321001.1
c.1802G>Ap.Arg601His
missense
Exon 14 of 16NP_001307930.1P46199

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MTIF2
ENST00000263629.9
TSL:1 MANE Select
c.1802G>Ap.Arg601His
missense
Exon 14 of 16ENSP00000263629.4P46199
MTIF2
ENST00000956673.1
c.1850G>Ap.Arg617His
missense
Exon 16 of 18ENSP00000626732.1
MTIF2
ENST00000918027.1
c.1823G>Ap.Arg608His
missense
Exon 15 of 17ENSP00000588086.1

Frequencies

GnomAD3 genomes
AF:
0.000171
AC:
26
AN:
152178
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000265
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000720
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000189
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000557
AC:
14
AN:
251392
AF XY:
0.0000515
show subpopulations
Gnomad AFR exome
AF:
0.000246
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.000198
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.0000924
Gnomad NFE exome
AF:
0.0000176
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000144
AC:
21
AN:
1461458
Hom.:
0
Cov.:
30
AF XY:
0.0000193
AC XY:
14
AN XY:
727048
show subpopulations
African (AFR)
AF:
0.000269
AC:
9
AN:
33474
American (AMR)
AF:
0.0000671
AC:
3
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.0000383
AC:
1
AN:
26132
East Asian (EAS)
AF:
0.0000504
AC:
2
AN:
39686
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86220
European-Finnish (FIN)
AF:
0.0000187
AC:
1
AN:
53408
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5490
European-Non Finnish (NFE)
AF:
0.00000180
AC:
2
AN:
1111964
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60362
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.451
Heterozygous variant carriers
0
1
2
4
5
6
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:
0.000164
AC:
25
AN:
152296
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74484
show subpopulations
African (AFR)
AF:
0.000265
AC:
11
AN:
41556
American (AMR)
AF:
0.000719
AC:
11
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.000189
AC:
2
AN:
10606
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68036
Other (OTH)
AF:
0.000473
AC:
1
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.523
Heterozygous variant carriers
0
2
4
5
7
9
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:
0.0000548
Hom.:
0
Bravo
AF:
0.000234
ExAC
AF:
0.0000412
AC:
5
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

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

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.065
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.55
CADD
Benign
13
DANN
Benign
0.88
DEOGEN2
Benign
0.15
T
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.88
FATHMM_MKL
Benign
0.045
N
LIST_S2
Uncertain
0.88
D
M_CAP
Benign
0.0057
T
MetaRNN
Benign
0.044
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.16
N
PhyloP100
-0.075
PrimateAI
Benign
0.20
T
PROVEAN
Benign
-2.1
N
REVEL
Benign
0.027
Sift
Benign
0.25
T
Sift4G
Benign
0.12
T
Polyphen
0.0020
B
Vest4
0.18
MVP
0.32
MPC
0.067
ClinPred
0.045
T
GERP RS
1.3
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.068
gMVP
0.41
Mutation Taster
=94/6
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs186600074; hg19: chr2-55467215; API