Genetic Variant IMMP1L:p.Ser99Pro (chr11-31456286-A-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001304274.2(IMMP1L):c.295T>C(p.Ser99Pro) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)

Failed GnomAD Quality Control

Consequence

IMMP1L
NM_001304274.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.32

Publications

0 publications found

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]

IMMP1L links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.14582458).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IMMP1L	NM_001304274.2 link	c.295T>C	p.Ser99Pro	missense_variant	Exon 4 of 6	ENST00000532287.6	NP_001291203.1	Q96LU5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IMMP1L	ENST00000532287.6 link	c.295T>C	p.Ser99Pro	missense_variant	Exon 4 of 6	1	NM_001304274.2	ENSP00000435576.1		Q96LU5

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

152170

Hom.:

Cov.:

Gnomad AFR

AF:

0.00

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

GnomAD4 exome

Cov.:

GnomAD4 genome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

152170

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74338

African (AFR)

AF:

0.00

AC:

AN:

41456

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5188

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10606

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2092

Alfa

AF:

0.00

Hom.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Nov 25, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.295T>C (p.S99P) alteration is located in exon 5 (coding exon 3) of the IMMP1L gene. This alteration results from a T to C substitution at nucleotide position 295, causing the serine (S) at amino acid position 99 to be replaced by a proline (P). 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

0.13

BayesDel_addAF

Benign

-0.069

BayesDel_noAF

Benign

-0.34

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.028

T;T;T

Eigen

Benign

-0.32

Eigen_PC

Benign

-0.17

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Benign

0.70

.;T;T

M_CAP

Benign

0.0067

MetaRNN

Benign

0.15

T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Uncertain

2.1

M;M;.

PhyloP100

4.3

PrimateAI

Benign

0.41

PROVEAN

Benign

-1.1

N;N;N

REVEL

Benign

0.13

Sift

Benign

0.13

T;T;T

Sift4G

Benign

0.31

T;T;T

Polyphen

0.0050

B;B;B

Vest4

0.39

MutPred

0.40

Gain of catalytic residue at P98 (P = 0.0125);Gain of catalytic residue at P98 (P = 0.0125);Gain of catalytic residue at P98 (P = 0.0125);

MVP

0.36

MPC

0.013

ClinPred

0.61

GERP RS

2.3

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.18

gMVP

0.73

Mutation Taster

=30/70

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over