rs3741755

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_032735.3(BEST3):​c.636+40G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.388 in 1,595,536 control chromosomes in the GnomAD database, including 123,597 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.35 ( 9491 hom., cov: 31)
Exomes 𝑓: 0.39 ( 114106 hom. )

Consequence

BEST3
NM_032735.3 intron

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.321
Variant links:
Genes affected
BEST3 (HGNC:17105): (bestrophin 3) BEST3 belongs to the bestrophin family of anion channels, which includes BEST1 (MIM 607854), the gene mutant in vitelliform macular dystrophy (VMD; MIM 153700), and 2 other BEST1-like genes, BEST2 (MIM 607335) and BEST4 (MIM 607336). Bestrophins are transmembrane (TM) proteins that share a homology region containing a high content of aromatic residues, including an invariant arg-phe-pro (RFP) motif. The bestrophin genes share a conserved gene structure, with almost identical sizes of the 8 RFP-TM domain-encoding exons and highly conserved exon-intron boundaries. Each of the 4 bestrophin genes has a unique 3-prime end of variable length (Stohr et al., 2002 [PubMed 12032738]; Tsunenari et al., 2003 [PubMed 12907679]).[supplied by OMIM, Mar 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.8).
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.522 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
BEST3NM_032735.3 linkuse as main transcriptc.636+40G>C intron_variant ENST00000330891.10 NP_116124.2
LOC105369823XR_007063357.1 linkuse as main transcriptn.312-9842C>G intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
BEST3ENST00000330891.10 linkuse as main transcriptc.636+40G>C intron_variant 5 NM_032735.3 ENSP00000332413 P2Q8N1M1-2

Frequencies

GnomAD3 genomes
AF:
0.346
AC:
52588
AN:
151892
Hom.:
9485
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.251
Gnomad AMI
AF:
0.357
Gnomad AMR
AF:
0.315
Gnomad ASJ
AF:
0.427
Gnomad EAS
AF:
0.259
Gnomad SAS
AF:
0.538
Gnomad FIN
AF:
0.412
Gnomad MID
AF:
0.487
Gnomad NFE
AF:
0.388
Gnomad OTH
AF:
0.356
GnomAD3 exomes
AF:
0.390
AC:
96059
AN:
246170
Hom.:
19577
AF XY:
0.405
AC XY:
54069
AN XY:
133570
show subpopulations
Gnomad AFR exome
AF:
0.249
Gnomad AMR exome
AF:
0.327
Gnomad ASJ exome
AF:
0.430
Gnomad EAS exome
AF:
0.280
Gnomad SAS exome
AF:
0.566
Gnomad FIN exome
AF:
0.405
Gnomad NFE exome
AF:
0.392
Gnomad OTH exome
AF:
0.400
GnomAD4 exome
AF:
0.392
AC:
566220
AN:
1443526
Hom.:
114106
Cov.:
26
AF XY:
0.399
AC XY:
286587
AN XY:
719038
show subpopulations
Gnomad4 AFR exome
AF:
0.257
Gnomad4 AMR exome
AF:
0.327
Gnomad4 ASJ exome
AF:
0.429
Gnomad4 EAS exome
AF:
0.231
Gnomad4 SAS exome
AF:
0.566
Gnomad4 FIN exome
AF:
0.401
Gnomad4 NFE exome
AF:
0.389
Gnomad4 OTH exome
AF:
0.392
GnomAD4 genome
AF:
0.346
AC:
52623
AN:
152010
Hom.:
9491
Cov.:
31
AF XY:
0.349
AC XY:
25930
AN XY:
74284
show subpopulations
Gnomad4 AFR
AF:
0.251
Gnomad4 AMR
AF:
0.315
Gnomad4 ASJ
AF:
0.427
Gnomad4 EAS
AF:
0.260
Gnomad4 SAS
AF:
0.539
Gnomad4 FIN
AF:
0.412
Gnomad4 NFE
AF:
0.389
Gnomad4 OTH
AF:
0.353
Alfa
AF:
0.369
Hom.:
1953
Bravo
AF:
0.333
Asia WGS
AF:
0.373
AC:
1297
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.80
CADD
Benign
5.0
DANN
Benign
0.52

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: rs3741755; hg19: chr12-70072479; COSMIC: COSV56994097; COSMIC: COSV56994097; API