1-145926638-A-G

Variant summary

Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2

The NM_005105.5(RBM8A):​c.206-20T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00114 in 1,613,792 control chromosomes in the GnomAD database, including 29 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0013 ( 1 hom., cov: 31)
Exomes 𝑓: 0.0011 ( 28 hom. )

Consequence

RBM8A
NM_005105.5 intron

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -0.192
Variant links:
Genes affected
RBM8A (HGNC:9905): (RNA binding motif protein 8A) This gene encodes a protein with a conserved RNA-binding motif. The protein is found predominantly in the nucleus, although it is also present in the cytoplasm. It is preferentially associated with mRNAs produced by splicing, including both nuclear mRNAs and newly exported cytoplasmic mRNAs. It is thought that the protein remains associated with spliced mRNAs as a tag to indicate where introns had been present, thus coupling pre- and post-mRNA splicing events. Previously, it was thought that two genes encode this protein, RBM8A and RBM8B; it is now thought that the RBM8B locus is a pseudogene. There are two alternate translation start codons with this gene, which result in two forms of the protein. An allele mutation and a low-frequency noncoding single-nucleotide polymorphism (SNP) in this gene cause thrombocytopenia-absent radius (TAR) syndrome. [provided by RefSeq, Jul 2013]
LIX1L-AS1 (HGNC:41210): (LIX1L antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -16 ACMG points.

BP6
Variant 1-145926638-A-G is Benign according to our data. Variant chr1-145926638-A-G is described in ClinVar as [Likely_benign]. Clinvar id is 1207363.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.0013 (198/152278) while in subpopulation EAS AF= 0.0275 (143/5192). AF 95% confidence interval is 0.0239. There are 1 homozygotes in gnomad4. There are 113 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 28 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RBM8ANM_005105.5 linkc.206-20T>C intron_variant ENST00000583313.7 NP_005096.1 Q9Y5S9-1A0A023T787

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RBM8AENST00000583313.7 linkc.206-20T>C intron_variant 1 NM_005105.5 ENSP00000463058.2 Q9Y5S9-1
ENSG00000289565ENST00000632040.1 linkn.-22T>C upstream_gene_variant 2 ENSP00000488887.1 A0A0J9YW13

Frequencies

GnomAD3 genomes
AF:
0.00129
AC:
196
AN:
152160
Hom.:
1
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00275
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.0273
Gnomad SAS
AF:
0.000414
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00191
GnomAD3 exomes
AF:
0.00276
AC:
692
AN:
250790
Hom.:
6
AF XY:
0.00245
AC XY:
333
AN XY:
135750
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00301
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0297
Gnomad SAS exome
AF:
0.000719
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000123
Gnomad OTH exome
AF:
0.000985
GnomAD4 exome
AF:
0.00112
AC:
1643
AN:
1461514
Hom.:
28
Cov.:
31
AF XY:
0.00109
AC XY:
790
AN XY:
727088
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00302
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0325
Gnomad4 SAS exome
AF:
0.000452
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.0000764
Gnomad4 OTH exome
AF:
0.00151
GnomAD4 genome
AF:
0.00130
AC:
198
AN:
152278
Hom.:
1
Cov.:
31
AF XY:
0.00152
AC XY:
113
AN XY:
74470
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00281
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.0275
Gnomad4 SAS
AF:
0.000414
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00189
Alfa
AF:
0.000127
Hom.:
0
Bravo
AF:
0.00158
Asia WGS
AF:
0.00779
AC:
27
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Likely benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Likely benign, criteria provided, single submitterclinical testingGeneDxOct 16, 2018- -
Radial aplasia-thrombocytopenia syndrome Benign:1
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 22, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.90
CADD
Benign
3.5
DANN
Benign
0.47

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.64
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.64
Position offset: 1

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: rs117017431; hg19: chr1-145508455; COSMIC: COSV57162047; COSMIC: COSV57162047; API