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GeneBe

11-31456358-T-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001304274.2(IMMP1L):c.223A>G(p.Ser75Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000189 in 1,611,080 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00041 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00017 ( 1 hom. )

Consequence

IMMP1L
NM_001304274.2 missense

Scores

2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.53
Variant links:
Genes affected
IMMP1L (HGNC:26317): (inner mitochondrial membrane peptidase subunit 1) The mitochondrial inner membrane peptidase (IMP) complex generates mature, active proteins in the mitochondrial intermembrane space by proteolytically removing the mitochondrial targeting presequence of nuclear-encoded proteins. IMP1 and IMP2 (IMMP2L; MIM 605977) are the catalytic subunits of the IMP complex (Burri et al., 2005 [PubMed 15814844]).[supplied by OMIM, Sep 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.026570857).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IMMP1LNM_001304274.2 linkuse as main transcriptc.223A>G p.Ser75Gly missense_variant 4/6 ENST00000532287.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IMMP1LENST00000532287.6 linkuse as main transcriptc.223A>G p.Ser75Gly missense_variant 4/61 NM_001304274.2 P1

Frequencies

GnomAD3 genomes
AF:
0.000407
AC:
62
AN:
152184
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00106
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.000176
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.000187
AC:
47
AN:
250800
Hom.:
1
AF XY:
0.000170
AC XY:
23
AN XY:
135590
show subpopulations
Gnomad AFR exome
AF:
0.00129
Gnomad AMR exome
AF:
0.000291
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000464
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000167
AC:
243
AN:
1458778
Hom.:
1
Cov.:
28
AF XY:
0.000158
AC XY:
115
AN XY:
725882
show subpopulations
Gnomad4 AFR exome
AF:
0.000898
Gnomad4 AMR exome
AF:
0.000269
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000188
Gnomad4 NFE exome
AF:
0.000158
Gnomad4 OTH exome
AF:
0.000348
GnomAD4 genome
AF:
0.000407
AC:
62
AN:
152302
Hom.:
0
Cov.:
32
AF XY:
0.000430
AC XY:
32
AN XY:
74468
show subpopulations
Gnomad4 AFR
AF:
0.00106
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.000114
Hom.:
0
Bravo
AF:
0.000370
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00136
AC:
6
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000214
AC:
26
Asia WGS
AF:
0.000289
AC:
1
AN:
3472

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJun 17, 2022The c.223A>G (p.S75G) alteration is located in exon 5 (coding exon 3) of the IMMP1L gene. This alteration results from a A to G substitution at nucleotide position 223, causing the serine (S) at amino acid position 75 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.43
T
BayesDel_noAF
Benign
-0.42
Cadd
Benign
21
Dann
Uncertain
0.99
DEOGEN2
Benign
0.16
T;T;T;.
Eigen
Benign
-0.095
Eigen_PC
Benign
0.12
FATHMM_MKL
Uncertain
0.89
D
M_CAP
Benign
0.0027
T
MetaRNN
Benign
0.027
T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
-0.030
N;N;.;.
MutationTaster
Benign
1.0
D;D;D;N;N
PrimateAI
Benign
0.41
T
PROVEAN
Benign
-2.3
N;N;N;N
REVEL
Benign
0.056
Sift
Benign
0.19
T;T;T;T
Sift4G
Benign
0.29
T;T;T;T
Polyphen
0.15
B;B;B;.
Vest4
0.29
MVP
0.48
MPC
0.014
ClinPred
0.027
T
GERP RS
5.7
Varity_R
0.14
gMVP
0.33

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs142948682; hg19: chr11-31477905; API