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GeneBe

1-185301203-G-A

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_006469.5(IVNS1ABP):​c.896-7C>T 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 0.00292 in 1,604,110 control chromosomes in the GnomAD database, including 72 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 Benign (★).

Frequency

Genomes: 𝑓 0.0018 ( 2 hom., cov: 32)
Exomes 𝑓: 0.0030 ( 70 hom. )

Consequence

IVNS1ABP
NM_006469.5 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00002476
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.418
Variant links:
Genes affected
IVNS1ABP (HGNC:16951): (influenza virus NS1A binding protein) Involved in RNA splicing; negative regulation of protein ubiquitination; and response to virus. Located in cytosol. Implicated in immunodeficiency 70. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.78).
BP6
Variant 1-185301203-G-A is Benign according to our data. Variant chr1-185301203-G-A is described in ClinVar as [Benign]. Clinvar id is 783014.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population sas. gnomad4 allele frequency = 0.00175 (267/152176) while in subpopulation SAS AF= 0.0278 (134/4818). AF 95% confidence interval is 0.024. There are 2 homozygotes in gnomad4. There are 174 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 267 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
IVNS1ABPNM_006469.5 linkuse as main transcriptc.896-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000367498.8
IVNS1ABPXM_047434070.1 linkuse as main transcriptc.896-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
IVNS1ABPXM_047434096.1 linkuse as main transcriptc.629-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant
IVNS1ABPXM_047434109.1 linkuse as main transcriptc.242-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
IVNS1ABPENST00000367498.8 linkuse as main transcriptc.896-7C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_006469.5 P1

Frequencies

GnomAD3 genomes
AF:
0.00174
AC:
265
AN:
152058
Hom.:
2
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000193
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00144
Gnomad ASJ
AF:
0.000865
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.0276
Gnomad FIN
AF:
0.0000943
Gnomad MID
AF:
0.00949
Gnomad NFE
AF:
0.00132
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00462
AC:
1151
AN:
249282
Hom.:
17
AF XY:
0.00611
AC XY:
824
AN XY:
134764
show subpopulations
Gnomad AFR exome
AF:
0.000494
Gnomad AMR exome
AF:
0.00131
Gnomad ASJ exome
AF:
0.000802
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0282
Gnomad FIN exome
AF:
0.000186
Gnomad NFE exome
AF:
0.00178
Gnomad OTH exome
AF:
0.00413
GnomAD4 exome
AF:
0.00304
AC:
4418
AN:
1451934
Hom.:
70
Cov.:
29
AF XY:
0.00387
AC XY:
2800
AN XY:
722962
show subpopulations
Gnomad4 AFR exome
AF:
0.000302
Gnomad4 AMR exome
AF:
0.00142
Gnomad4 ASJ exome
AF:
0.00127
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0277
Gnomad4 FIN exome
AF:
0.000375
Gnomad4 NFE exome
AF:
0.00146
Gnomad4 OTH exome
AF:
0.00350
GnomAD4 genome
AF:
0.00175
AC:
267
AN:
152176
Hom.:
2
Cov.:
32
AF XY:
0.00234
AC XY:
174
AN XY:
74388
show subpopulations
Gnomad4 AFR
AF:
0.000193
Gnomad4 AMR
AF:
0.00144
Gnomad4 ASJ
AF:
0.000865
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.0278
Gnomad4 FIN
AF:
0.0000943
Gnomad4 NFE
AF:
0.00134
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.00144
Hom.:
0
Bravo
AF:
0.00101
Asia WGS
AF:
0.00808
AC:
28
AN:
3478
EpiCase
AF:
0.00273
EpiControl
AF:
0.00326

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeJul 10, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.78
CADD
Benign
8.5
DANN
Benign
0.65

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000025
dbscSNV1_RF
Benign
0.012
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: rs117705891; hg19: chr1-185270335; API