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GeneBe

15-86224904-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_ModerateBP6_ModerateBS1BS2

The NM_001386094.1(AGBL1):c.489-10C>T variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0142 in 1,613,060 control chromosomes in the GnomAD database, including 215 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.010 ( 12 hom., cov: 31)
Exomes 𝑓: 0.015 ( 203 hom. )

Consequence

AGBL1
NM_001386094.1 splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0003197
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.436
Variant links:
Genes affected
AGBL1 (HGNC:26504): (AGBL carboxypeptidase 1) Polyglutamylation is a reversible posttranslational modification catalyzed by polyglutamylases that results in the addition of glutamate side chains on the modified protein. This gene encodes a glutamate decarboxylase that catalyzes the deglutamylation of polyglutamylated proteins. Mutations in this gene result in dominant late-onset Fuchs corneal dystrophy. [provided by RefSeq, Nov 2013]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.45).
BP6
Variant 15-86224904-C-T is Benign according to our data. Variant chr15-86224904-C-T is described in ClinVar as [Benign]. Clinvar id is 3038387.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.0104 (1588/152184) while in subpopulation SAS AF= 0.027 (130/4814). AF 95% confidence interval is 0.0232. There are 12 homozygotes in gnomad4. There are 780 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High AC in GnomAd at 1588 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
AGBL1NM_001386094.1 linkuse as main transcriptc.489-10C>T splice_polypyrimidine_tract_variant, intron_variant ENST00000614907.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
AGBL1ENST00000614907.3 linkuse as main transcriptc.489-10C>T splice_polypyrimidine_tract_variant, intron_variant 5 NM_001386094.1 P4
AGBL1ENST00000441037.7 linkuse as main transcriptc.489-10C>T splice_polypyrimidine_tract_variant, intron_variant 5 A2

Frequencies

GnomAD3 genomes
AF:
0.0104
AC:
1588
AN:
152066
Hom.:
12
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00251
Gnomad AMI
AF:
0.00548
Gnomad AMR
AF:
0.0110
Gnomad ASJ
AF:
0.0104
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.0270
Gnomad FIN
AF:
0.0146
Gnomad MID
AF:
0.0127
Gnomad NFE
AF:
0.0142
Gnomad OTH
AF:
0.00957
GnomAD3 exomes
AF:
0.0135
AC:
3367
AN:
248926
Hom.:
28
AF XY:
0.0149
AC XY:
2013
AN XY:
135056
show subpopulations
Gnomad AFR exome
AF:
0.00200
Gnomad AMR exome
AF:
0.00824
Gnomad ASJ exome
AF:
0.00856
Gnomad EAS exome
AF:
0.000223
Gnomad SAS exome
AF:
0.0233
Gnomad FIN exome
AF:
0.0116
Gnomad NFE exome
AF:
0.0171
Gnomad OTH exome
AF:
0.0124
GnomAD4 exome
AF:
0.0146
AC:
21381
AN:
1460876
Hom.:
203
Cov.:
31
AF XY:
0.0150
AC XY:
10932
AN XY:
726724
show subpopulations
Gnomad4 AFR exome
AF:
0.00251
Gnomad4 AMR exome
AF:
0.00846
Gnomad4 ASJ exome
AF:
0.00774
Gnomad4 EAS exome
AF:
0.000151
Gnomad4 SAS exome
AF:
0.0233
Gnomad4 FIN exome
AF:
0.0125
Gnomad4 NFE exome
AF:
0.0154
Gnomad4 OTH exome
AF:
0.0131
GnomAD4 genome
AF:
0.0104
AC:
1588
AN:
152184
Hom.:
12
Cov.:
31
AF XY:
0.0105
AC XY:
780
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.00250
Gnomad4 AMR
AF:
0.0110
Gnomad4 ASJ
AF:
0.0104
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.0270
Gnomad4 FIN
AF:
0.0146
Gnomad4 NFE
AF:
0.0142
Gnomad4 OTH
AF:
0.00947
Alfa
AF:
0.0122
Hom.:
6
Bravo
AF:
0.00966
Asia WGS
AF:
0.00606
AC:
21
AN:
3478

ClinVar

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

Submissions by phenotype

AGBL1-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesMar 15, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.45
Cadd
Benign
17
Dann
Benign
0.82

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00032
dbscSNV1_RF
Benign
0.18
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: rs79987050; hg19: chr15-86768135; API