rs113272276

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 0P and 18B. BP4_StrongBP6_Very_StrongBP7BS1BS2_Supporting

The NM_001171613.2(PREPL):​c.687A>G​(p.Glu229Glu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00103 in 1,613,910 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0021 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00091 ( 2 hom. )

Consequence

PREPL
NM_001171613.2 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -0.651

Publications

0 publications found
Variant links:
Genes affected
PREPL (HGNC:30228): (prolyl endopeptidase like) The protein encoded by this gene belongs to the prolyl oligopeptidase subfamily of serine peptidases. Mutations in this gene have been associated with hypotonia-cystinuria syndrome, also known as the 2p21 deletion syndrome. Several alternatively spliced transcript variants encoding either the same or different isoforms have been described for this gene.[provided by RefSeq, Jan 2010]
PREPL Gene-Disease associations (from GenCC):
  • hypotonia-cystinuria syndrome
    Inheritance: AR Classification: STRONG Submitted by: G2P
  • myasthenic syndrome, congenital, 22
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia, Ambry Genetics, Illumina

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.55).
BP6
Variant 2-44339162-T-C is Benign according to our data. Variant chr2-44339162-T-C is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 478322.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.651 with no splicing effect.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.00215 (327/152256) while in subpopulation AMR AF = 0.00451 (69/15292). AF 95% confidence interval is 0.00377. There are 0 homozygotes in GnomAd4. There are 165 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.
BS2
High Homozygotes in GnomAdExome4 at 2 AR geneVariant has number of homozygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PREPLNM_001171613.2 linkc.687A>G p.Glu229Glu synonymous_variant Exon 6 of 14 ENST00000409411.6 NP_001165084.1 Q4J6C6-4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PREPLENST00000409411.6 linkc.687A>G p.Glu229Glu synonymous_variant Exon 6 of 14 1 NM_001171613.2 ENSP00000387095.2 Q4J6C6-4

Frequencies

GnomAD3 genomes
AF:
0.00213
AC:
324
AN:
152138
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00422
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00452
Gnomad ASJ
AF:
0.00461
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.0253
Gnomad NFE
AF:
0.000647
Gnomad OTH
AF:
0.00525
GnomAD2 exomes
AF:
0.00152
AC:
382
AN:
251098
AF XY:
0.00141
show subpopulations
Gnomad AFR exome
AF:
0.00351
Gnomad AMR exome
AF:
0.00371
Gnomad ASJ exome
AF:
0.00576
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000960
Gnomad OTH exome
AF:
0.00278
GnomAD4 exome
AF:
0.000915
AC:
1337
AN:
1461654
Hom.:
2
Cov.:
31
AF XY:
0.000897
AC XY:
652
AN XY:
727106
show subpopulations
African (AFR)
AF:
0.00484
AC:
162
AN:
33472
American (AMR)
AF:
0.00356
AC:
159
AN:
44696
Ashkenazi Jewish (ASJ)
AF:
0.00509
AC:
133
AN:
26128
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39686
South Asian (SAS)
AF:
0.000429
AC:
37
AN:
86248
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53408
Middle Eastern (MID)
AF:
0.00555
AC:
32
AN:
5764
European-Non Finnish (NFE)
AF:
0.000584
AC:
649
AN:
1111864
Other (OTH)
AF:
0.00273
AC:
165
AN:
60388
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.474
Heterozygous variant carriers
0
83
166
248
331
414
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
30
60
90
120
150
<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:
0.00215
AC:
327
AN:
152256
Hom.:
0
Cov.:
32
AF XY:
0.00222
AC XY:
165
AN XY:
74442
show subpopulations
African (AFR)
AF:
0.00428
AC:
178
AN:
41544
American (AMR)
AF:
0.00451
AC:
69
AN:
15292
Ashkenazi Jewish (ASJ)
AF:
0.00461
AC:
16
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5180
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10608
Middle Eastern (MID)
AF:
0.0272
AC:
8
AN:
294
European-Non Finnish (NFE)
AF:
0.000647
AC:
44
AN:
68012
Other (OTH)
AF:
0.00520
AC:
11
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.497
Heterozygous variant carriers
0
19
37
56
74
93
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<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:
0.00148
Hom.:
0
Bravo
AF:
0.00267
Asia WGS
AF:
0.00260
AC:
9
AN:
3478
EpiCase
AF:
0.000982
EpiControl
AF:
0.00148

ClinVar

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

Submissions by phenotype

Myasthenic syndrome, congenital, 22 Benign:1
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:1
Jul 01, 2024
CeGaT Center for Human Genetics Tuebingen
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

PREPL: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.55
CADD
Benign
5.5
DANN
Benign
0.55
PhyloP100
-0.65
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Mutation Taster
=100/0
polymorphism

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

Other links and lift over

dbSNP: rs113272276; hg19: chr2-44566301; API