rs925593750
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_000288.4(PEX7):c.44C>T(p.Pro15Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000963 in 1,516,752 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Genomes: 𝑓 0.00011 ( 0 hom., cov: 35)
Exomes 𝑓: 0.000095 ( 0 hom. )
Consequence
PEX7
NM_000288.4 missense
NM_000288.4 missense
Scores
4
11
3
Clinical Significance
Conservation
PhyloP100: 3.52
Genes affected
PEX7 (HGNC:8860): (peroxisomal biogenesis factor 7) This gene encodes the cytosolic receptor for the set of peroxisomal matrix enzymes targeted to the organelle by the peroxisome targeting signal 2 (PTS2). Defects in this gene cause peroxisome biogenesis disorders (PBDs), which are characterized by multiple defects in peroxisome function. There are at least 14 complementation groups for PBDs, with more than one phenotype being observed in cases falling into particular complementation groups. Although the clinical features of PBD patients vary, cells from all PBD patients exhibit a defect in the import of one or more classes of peroxisomal matrix proteins into the organelle. Defects in this gene have been associated with PBD complementation group 11 (PBD-CG11) disorders, rhizomelic chondrodysplasia punctata type 1 (RCDP1), and Refsum disease (RD). [provided by RefSeq, Oct 2008]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
PEX7 | NM_000288.4 | c.44C>T | p.Pro15Leu | missense_variant | 1/10 | ENST00000318471.5 | |
PEX7 | XM_006715502.3 | c.44C>T | p.Pro15Leu | missense_variant | 1/7 | ||
PEX7 | XM_047418874.1 | c.44C>T | p.Pro15Leu | missense_variant | 1/6 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
PEX7 | ENST00000318471.5 | c.44C>T | p.Pro15Leu | missense_variant | 1/10 | 1 | NM_000288.4 | P1 | |
PEX7 | ENST00000367756.8 | c.44C>T | p.Pro15Leu | missense_variant | 1/4 | 3 | |||
PEX7 | ENST00000541292.6 | c.44C>T | p.Pro15Leu | missense_variant, NMD_transcript_variant | 1/11 | 5 | |||
PEX7 | ENST00000678593.1 | c.44C>T | p.Pro15Leu | missense_variant, NMD_transcript_variant | 1/8 |
Frequencies
GnomAD3 genomes ? AF: 0.000105 AC: 16AN: 151930Hom.: 0 Cov.: 35
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GnomAD4 exome AF: 0.0000953 AC: 130AN: 1364822Hom.: 0 Cov.: 33 AF XY: 0.0000905 AC XY: 61AN XY: 673708
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ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not specified Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Athena Diagnostics | Nov 10, 2016 | - - |
Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Ambry Genetics | Jun 02, 2023 | The c.44C>T (p.P15L) alteration is located in exon 1 (coding exon 1) of the PEX7 gene. This alteration results from a C to T substitution at nucleotide position 44, causing the proline (P) at amino acid position 15 to be replaced by a leucine (L). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
not provided Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Mayo Clinic Laboratories, Mayo Clinic | Dec 15, 2022 | - - |
Peroxisome biogenesis disorder 9B Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Oct 13, 2022 | This sequence change replaces proline, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 15 of the PEX7 protein (p.Pro15Leu). This variant is present in population databases (no rsID available, gnomAD 0.03%). This variant has not been reported in the literature in individuals affected with PEX7-related conditions. ClinVar contains an entry for this variant (Variation ID: 447933). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. - |
Rhizomelic chondrodysplasia punctata Uncertain:1
Uncertain significance, no assertion criteria provided | clinical testing | Natera, Inc. | Aug 07, 2020 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
Cadd
Pathogenic
Dann
Uncertain
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D;D;D
M_CAP
Pathogenic
D
MetaRNN
Uncertain
T;T;T
MetaSVM
Uncertain
D
MutationAssessor
Uncertain
M;.;M
MutationTaster
Benign
D;D;D
PrimateAI
Pathogenic
D
PROVEAN
Uncertain
D;D;D
REVEL
Uncertain
Sift
Benign
D;D;D
Sift4G
Uncertain
D;D;D
Polyphen
1.0
.;.;D
Vest4
MutPred
Loss of disorder (P = 0.0272);Loss of disorder (P = 0.0272);Loss of disorder (P = 0.0272);
MVP
MPC
0.13
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at