chr18-80045896-G-A

Variant summary

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

The ENST00000306735.10(RBFA):​c.773G>A​(p.Gly258Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000273 in 1,612,078 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

RBFA
ENST00000306735.10 missense

Scores

18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.894
Variant links:
Genes affected
RBFA (HGNC:26120): (ribosome binding factor A) Predicted to be involved in rRNA processing. Predicted to be located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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 (MetaRNN=0.024487734).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RBFANM_024805.3 linkuse as main transcriptc.773G>A p.Gly258Glu missense_variant 7/7 ENST00000306735.10 NP_079081.2 Q8N0V3-1
RBFANM_001171967.2 linkuse as main transcriptc.688G>A p.Gly230Ser missense_variant 6/6 NP_001165438.1 Q8N0V3-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RBFAENST00000306735.10 linkuse as main transcriptc.773G>A p.Gly258Glu missense_variant 7/71 NM_024805.3 ENSP00000305696.4 Q8N0V3-1
ENSG00000267127ENST00000569722.5 linkuse as main transcriptn.158+11243G>A intron_variant 2 ENSP00000468252.1 K7EIM0

Frequencies

GnomAD3 genomes
AF:
0.000178
AC:
27
AN:
152050
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000580
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000387
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000521
AC:
13
AN:
249510
Hom.:
0
AF XY:
0.0000445
AC XY:
6
AN XY:
134840
show subpopulations
Gnomad AFR exome
AF:
0.000617
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.0000116
AC:
17
AN:
1459910
Hom.:
0
Cov.:
33
AF XY:
0.00000689
AC XY:
5
AN XY:
726164
show subpopulations
Gnomad4 AFR exome
AF:
0.000270
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.000133
GnomAD4 genome
AF:
0.000177
AC:
27
AN:
152168
Hom.:
0
Cov.:
32
AF XY:
0.000228
AC XY:
17
AN XY:
74422
show subpopulations
Gnomad4 AFR
AF:
0.000578
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000388
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000174
ExAC
AF:
0.0000576
AC:
7

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 07, 2023The c.773G>A (p.G258E) alteration is located in exon 7 (coding exon 7) of the RBFA gene. This alteration results from a G to A substitution at nucleotide position 773, causing the glycine (G) at amino acid position 258 to be replaced by a glutamic acid (E). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.56
CADD
Benign
12
DANN
Benign
0.97
DEOGEN2
Benign
0.0023
T
Eigen
Benign
-0.33
Eigen_PC
Benign
-0.40
FATHMM_MKL
Benign
0.15
N
LIST_S2
Benign
0.51
T
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.024
T
MetaSVM
Benign
-0.95
T
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
-2.2
N
REVEL
Benign
0.066
Sift
Benign
0.077
T
Sift4G
Benign
0.25
T
Polyphen
0.96
D
Vest4
0.13
MutPred
0.37
Loss of loop (P = 0.0075);
MVP
0.41
MPC
0.84
ClinPred
0.47
T
GERP RS
3.9
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.11
gMVP
0.094

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: rs146546640; hg19: chr18-77805896; API