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chr5-51389642-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_ModerateBA1

The NM_002202.3(ISL1):​c.479-4G>A variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0051 in 1,606,088 control chromosomes in the GnomAD database, including 236 homozygotes. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0050 ( 14 hom., cov: 32)
Exomes 𝑓: 0.0051 ( 222 hom. )

Consequence

ISL1
NM_002202.3 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0007676
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.458
Variant links:
Genes affected
ISL1 (HGNC:6132): (ISL LIM homeobox 1) This gene encodes a member of the LIM/homeodomain family of transcription factors. The encoded protein binds to the enhancer region of the insulin gene, among others, and may play an important role in regulating insulin gene expression. The encoded protein is central to the development of pancreatic cell lineages and may also be required for motor neuron generation. Mutations in this gene have been associated with maturity-onset diabetes of the young. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.36).
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.0655 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ISL1NM_002202.3 linkuse as main transcriptc.479-4G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000230658.12
ISL1XM_011543380.3 linkuse as main transcriptc.287-4G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ISL1ENST00000230658.12 linkuse as main transcriptc.479-4G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_002202.3 P1
ISL1ENST00000511384.1 linkuse as main transcriptc.479-4G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 5
ISL1ENST00000505475.3 linkuse as main transcriptn.684-4G>A splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
AF:
0.00504
AC:
766
AN:
152040
Hom.:
14
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000628
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00216
Gnomad ASJ
AF:
0.00432
Gnomad EAS
AF:
0.0715
Gnomad SAS
AF:
0.00435
Gnomad FIN
AF:
0.0126
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00241
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.00914
AC:
2159
AN:
236138
Hom.:
72
AF XY:
0.00850
AC XY:
1101
AN XY:
129562
show subpopulations
Gnomad AFR exome
AF:
0.000483
Gnomad AMR exome
AF:
0.00111
Gnomad ASJ exome
AF:
0.00327
Gnomad EAS exome
AF:
0.0868
Gnomad SAS exome
AF:
0.00201
Gnomad FIN exome
AF:
0.0119
Gnomad NFE exome
AF:
0.00219
Gnomad OTH exome
AF:
0.00546
GnomAD4 exome
AF:
0.00510
AC:
7416
AN:
1453934
Hom.:
222
Cov.:
31
AF XY:
0.00504
AC XY:
3647
AN XY:
723380
show subpopulations
Gnomad4 AFR exome
AF:
0.000450
Gnomad4 AMR exome
AF:
0.000965
Gnomad4 ASJ exome
AF:
0.00396
Gnomad4 EAS exome
AF:
0.0966
Gnomad4 SAS exome
AF:
0.00231
Gnomad4 FIN exome
AF:
0.0107
Gnomad4 NFE exome
AF:
0.00213
Gnomad4 OTH exome
AF:
0.00540
GnomAD4 genome
AF:
0.00505
AC:
768
AN:
152154
Hom.:
14
Cov.:
32
AF XY:
0.00588
AC XY:
437
AN XY:
74370
show subpopulations
Gnomad4 AFR
AF:
0.000626
Gnomad4 AMR
AF:
0.00216
Gnomad4 ASJ
AF:
0.00432
Gnomad4 EAS
AF:
0.0715
Gnomad4 SAS
AF:
0.00435
Gnomad4 FIN
AF:
0.0126
Gnomad4 NFE
AF:
0.00241
Gnomad4 OTH
AF:
0.00426
Alfa
AF:
0.00126
Hom.:
0
Bravo
AF:
0.00468
Asia WGS
AF:
0.0320
AC:
112
AN:
3478

ClinVar

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

Submissions by phenotype

Bladder exstrophy-epispadias-cloacal extrophy complex Uncertain:1
Uncertain significance, criteria provided, single submitterresearchMalformation Genetics, Karolinska InstitutetSep 30, 2016Variant is rare in the European population (gnomAD Non-Finnish Europeans f = 0.2%). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.36
CADD
Benign
10
DANN
Benign
0.94

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00077
dbscSNV1_RF
Benign
0.18
SpliceAI score (max)
0.070
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: rs2303750; hg19: chr5-50685476; API