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GeneBe

5-138947087-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_022464.5(SIL1):c.*30C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000529 in 1,568,446 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

SIL1
NM_022464.5 3_prime_UTR

Scores

2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.449
Variant links:
Genes affected
SIL1 (HGNC:24624): (SIL1 nucleotide exchange factor) This gene encodes a resident endoplasmic reticulum (ER), N-linked glycoprotein with an N-terminal ER targeting sequence, 2 putative N-glycosylation sites, and a C-terminal ER retention signal. This protein functions as a nucleotide exchange factor for another unfolded protein response protein. Mutations in this gene have been associated with Marinesco-Sjogren syndrome. Alternate transcriptional splice variants have been characterized. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.91).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SIL1NM_022464.5 linkuse as main transcriptc.*30C>T 3_prime_UTR_variant 10/10 ENST00000394817.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SIL1ENST00000394817.7 linkuse as main transcriptc.*30C>T 3_prime_UTR_variant 10/101 NM_022464.5 P1
SIL1ENST00000265195.9 linkuse as main transcriptc.*30C>T 3_prime_UTR_variant 11/115 P1
SIL1ENST00000509534.5 linkuse as main transcriptc.*30C>T 3_prime_UTR_variant 11/115
SIL1ENST00000515008.1 linkuse as main transcriptn.751C>T non_coding_transcript_exon_variant 4/43

Frequencies

GnomAD3 genomes
AF:
0.000217
AC:
33
AN:
152192
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000627
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000694
AC:
16
AN:
230444
Hom.:
0
AF XY:
0.0000720
AC XY:
9
AN XY:
124984
show subpopulations
Gnomad AFR exome
AF:
0.000623
Gnomad AMR exome
AF:
0.0000304
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000599
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000488
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000353
AC:
50
AN:
1416254
Hom.:
0
Cov.:
26
AF XY:
0.0000283
AC XY:
20
AN XY:
705844
show subpopulations
Gnomad4 AFR exome
AF:
0.000680
Gnomad4 AMR exome
AF:
0.0000462
Gnomad4 ASJ exome
AF:
0.0000389
Gnomad4 EAS exome
AF:
0.0000259
Gnomad4 SAS exome
AF:
0.0000239
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000186
Gnomad4 OTH exome
AF:
0.0000170
GnomAD4 genome
AF:
0.000217
AC:
33
AN:
152192
Hom.:
0
Cov.:
33
AF XY:
0.000256
AC XY:
19
AN XY:
74354
show subpopulations
Gnomad4 AFR
AF:
0.000627
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000356
Hom.:
0
Bravo
AF:
0.000242

ClinVar

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

Submissions by phenotype

Marinesco-Sjögren syndrome Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJun 14, 2016- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.91
Cadd
Benign
0.45
Dann
Benign
0.37
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1

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: rs371494585; hg19: chr5-138282776; COSMIC: COSV99497515; COSMIC: COSV99497515; API