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GeneBe

13-49534118-C-T

Variant summary

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

The NM_018191.4(RCBTB1):​c.*4G>A variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000363 in 1,613,156 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0018 ( 1 hom., cov: 32)
Exomes 𝑓: 0.00021 ( 2 hom. )

Consequence

RCBTB1
NM_018191.4 3_prime_UTR

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.434
Variant links:
Genes affected
RCBTB1 (HGNC:18243): (RCC1 and BTB domain containing protein 1) This gene encodes a protein with an N-terminal RCC1 domain and a C-terminal BTB (broad complex, tramtrack and bric-a-brac) domain. In rat, over-expression of this gene in vascular smooth muscle cells induced cellular hypertrophy. In rat, the C-terminus of RCBTB1 interacts with the angiotensin II receptor-1A. In humans, this gene maps to a region of chromosome 13q that is frequently deleted in B-cell chronic lymphocytic leukemia and other lymphoid malignancies. [provided by RefSeq, Jul 2008]

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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=-0.75).
BP6
Variant 13-49534118-C-T is Benign according to our data. Variant chr13-49534118-C-T is described in ClinVar as [Benign]. Clinvar id is 3052661.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00179 (273/152266) while in subpopulation AFR AF= 0.00638 (265/41548). AF 95% confidence interval is 0.00575. There are 1 homozygotes in gnomad4. There are 121 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RCBTB1NM_018191.4 linkuse as main transcriptc.*4G>A 3_prime_UTR_variant 13/13 ENST00000378302.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RCBTB1ENST00000378302.7 linkuse as main transcriptc.*4G>A 3_prime_UTR_variant 13/131 NM_018191.4 P1Q8NDN9-1
RCBTB1ENST00000258646.3 linkuse as main transcriptc.*4G>A 3_prime_UTR_variant 11/112 P1Q8NDN9-1
RCBTB1ENST00000471984.1 linkuse as main transcriptn.488G>A non_coding_transcript_exon_variant 3/33

Frequencies

GnomAD3 genomes
AF:
0.00179
AC:
273
AN:
152148
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00640
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000262
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:
0.0000294
Gnomad OTH
AF:
0.000957
GnomAD3 exomes
AF:
0.000535
AC:
134
AN:
250506
Hom.:
2
AF XY:
0.000399
AC XY:
54
AN XY:
135404
show subpopulations
Gnomad AFR exome
AF:
0.00732
Gnomad AMR exome
AF:
0.000204
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000218
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000265
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.000214
AC:
313
AN:
1460890
Hom.:
2
Cov.:
32
AF XY:
0.000168
AC XY:
122
AN XY:
726724
show subpopulations
Gnomad4 AFR exome
AF:
0.00733
Gnomad4 AMR exome
AF:
0.000202
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000328
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000198
Gnomad4 OTH exome
AF:
0.000365
GnomAD4 genome
AF:
0.00179
AC:
273
AN:
152266
Hom.:
1
Cov.:
32
AF XY:
0.00163
AC XY:
121
AN XY:
74448
show subpopulations
Gnomad4 AFR
AF:
0.00638
Gnomad4 AMR
AF:
0.000262
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.000947
Alfa
AF:
0.000556
Hom.:
0
Bravo
AF:
0.00220
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

ClinVar

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

Submissions by phenotype

RCBTB1-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesSep 13, 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
-0.75
CADD
Benign
3.6
DANN
Benign
0.80

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: rs200902196; hg19: chr13-50108254; API