chr7-92528433-C-T

Variant summary

Our verdict is Pathogenic. Variant got 14 ACMG points: 14P and 0B. PM2PP3_StrongPP5_Very_Strong

The NM_001282678.2(PEX1):​c.-657G>A variant causes a 5 prime UTR premature start codon gain change. The variant allele was found at a frequency of 0.00000139 in 1,437,090 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

PEX1
NM_001282678.2 5_prime_UTR_premature_start_codon_gain

Scores

6
6
4

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:2

Conservation

PhyloP100: 4.60
Variant links:
Genes affected
PEX1 (HGNC:8850): (peroxisomal biogenesis factor 1) This gene encodes a member of the AAA ATPase family, a large group of ATPases associated with diverse cellular activities. This protein is cytoplasmic but is often anchored to a peroxisomal membrane where it forms a heteromeric complex and plays a role in the import of proteins into peroxisomes and peroxisome biogenesis. Mutations in this gene have been associated with complementation group 1 peroxisomal disorders such as neonatal adrenoleukodystrophy, infantile Refsum disease, and Zellweger syndrome. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2013]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 14 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.993
PP5
Variant 7-92528433-C-T is Pathogenic according to our data. Variant chr7-92528433-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 189106.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr7-92528433-C-T is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PEX1NM_000466.3 linkc.3G>A p.Met1? start_lost 1/24 ENST00000248633.9 NP_000457.1 O43933-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PEX1ENST00000248633.9 linkc.3G>A p.Met1? start_lost 1/241 NM_000466.3 ENSP00000248633.4 O43933-1
PEX1ENST00000428214.5 linkc.3G>A p.Met1? start_lost 1/231 ENSP00000394413.1 A0A0C4DG33
PEX1ENST00000438045.5 linkc.3G>A p.Met1? start_lost 1/212 ENSP00000410438.1 O43933-2
PEX1ENST00000484913.5 linkn.7G>A non_coding_transcript_exon_variant 1/242

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000139
AC:
2
AN:
1437090
Hom.:
0
Cov.:
31
AF XY:
0.00000281
AC XY:
2
AN XY:
712614
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000120
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
9.08e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Zellweger spectrum disorders Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 12, 2023This sequence change affects the initiator methionine of the PEX1 mRNA. The next in-frame methionine is located at codon 209. This variant is not present in population databases (gnomAD no frequency). Disruption of the initiator codon has been observed in individuals with Zellweger spectrum disorder (PMID: 21031596, 28468868). ClinVar contains an entry for this variant (Variation ID: 189106). For these reasons, this variant has been classified as Pathogenic. -
Peroxisome biogenesis disorder 1A (Zellweger) Pathogenic:1
Likely pathogenic, criteria provided, single submitterliterature onlyCounsylDec 24, 2014- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.63
D
BayesDel_noAF
Pathogenic
0.50
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.070
.;T;T
Eigen
Uncertain
0.26
Eigen_PC
Uncertain
0.31
FATHMM_MKL
Benign
0.44
N
LIST_S2
Uncertain
0.90
D;D;D
M_CAP
Pathogenic
0.99
D
MetaRNN
Pathogenic
0.99
D;D;D
MetaSVM
Uncertain
0.69
D
PROVEAN
Benign
-0.36
N;N;N
REVEL
Uncertain
0.64
Sift
Pathogenic
0.0
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
0.69
.;P;.
Vest4
0.97
MutPred
1.0
Gain of catalytic residue at M1 (P = 0.0721);Gain of catalytic residue at M1 (P = 0.0721);Gain of catalytic residue at M1 (P = 0.0721);
MVP
0.90
ClinPred
1.0
D
GERP RS
5.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.96
gMVP
0.57

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

LitVar

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

Other links and lift over

dbSNP: rs786204704; hg19: chr7-92157747; COSMIC: COSV50395507; COSMIC: COSV50395507; API