chr20-53996010-C-T

Variant summary

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

The NM_001366298.2(BCAS1):​c.764G>A​(p.Gly255Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0568 in 1,609,932 control chromosomes in the GnomAD database, including 6,358 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.13 ( 2591 hom., cov: 32)
Exomes 𝑓: 0.050 ( 3767 hom. )

Consequence

BCAS1
NM_001366298.2 missense

Scores

18

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.780
Variant links:
Genes affected
BCAS1 (HGNC:974): (brain enriched myelin associated protein 1) This gene resides in a region at 20q13 which is amplified in a variety of tumor types and associated with more aggressive tumor phenotypes. Among the genes identified from this region, it was found to be highly expressed in three amplified breast cancer cell lines and in one breast tumor without amplification at 20q13.2. However, this gene is not in the common region of maximal amplification and its expression was not detected in the breast cancer cell line MCF7, in which this region is highly amplified. Although not consistently expressed, this gene is a candidate oncogene. [provided by RefSeq, Apr 2016]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0042648017).
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.339 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BCAS1NM_001366298.2 linkuse as main transcriptc.764G>A p.Gly255Glu missense_variant 5/13 ENST00000688948.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BCAS1ENST00000688948.1 linkuse as main transcriptc.764G>A p.Gly255Glu missense_variant 5/13 NM_001366298.2 A2

Frequencies

GnomAD3 genomes
AF:
0.125
AC:
19055
AN:
152054
Hom.:
2584
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.344
Gnomad AMI
AF:
0.0110
Gnomad AMR
AF:
0.0576
Gnomad ASJ
AF:
0.0124
Gnomad EAS
AF:
0.0144
Gnomad SAS
AF:
0.0767
Gnomad FIN
AF:
0.0411
Gnomad MID
AF:
0.0696
Gnomad NFE
AF:
0.0416
Gnomad OTH
AF:
0.0909
GnomAD3 exomes
AF:
0.0629
AC:
15599
AN:
248188
Hom.:
1287
AF XY:
0.0598
AC XY:
8015
AN XY:
134120
show subpopulations
Gnomad AFR exome
AF:
0.352
Gnomad AMR exome
AF:
0.0358
Gnomad ASJ exome
AF:
0.0131
Gnomad EAS exome
AF:
0.0150
Gnomad SAS exome
AF:
0.0759
Gnomad FIN exome
AF:
0.0452
Gnomad NFE exome
AF:
0.0422
Gnomad OTH exome
AF:
0.0494
GnomAD4 exome
AF:
0.0497
AC:
72425
AN:
1457758
Hom.:
3767
Cov.:
30
AF XY:
0.0499
AC XY:
36172
AN XY:
725116
show subpopulations
Gnomad4 AFR exome
AF:
0.362
Gnomad4 AMR exome
AF:
0.0384
Gnomad4 ASJ exome
AF:
0.0125
Gnomad4 EAS exome
AF:
0.00964
Gnomad4 SAS exome
AF:
0.0759
Gnomad4 FIN exome
AF:
0.0450
Gnomad4 NFE exome
AF:
0.0405
Gnomad4 OTH exome
AF:
0.0631
GnomAD4 genome
AF:
0.125
AC:
19094
AN:
152174
Hom.:
2591
Cov.:
32
AF XY:
0.121
AC XY:
9018
AN XY:
74390
show subpopulations
Gnomad4 AFR
AF:
0.343
Gnomad4 AMR
AF:
0.0574
Gnomad4 ASJ
AF:
0.0124
Gnomad4 EAS
AF:
0.0144
Gnomad4 SAS
AF:
0.0767
Gnomad4 FIN
AF:
0.0411
Gnomad4 NFE
AF:
0.0416
Gnomad4 OTH
AF:
0.0900
Alfa
AF:
0.0544
Hom.:
1406
Bravo
AF:
0.136
TwinsUK
AF:
0.0410
AC:
152
ALSPAC
AF:
0.0348
AC:
134
ESP6500AA
AF:
0.338
AC:
1491
ESP6500EA
AF:
0.0409
AC:
352
ExAC
AF:
0.0707
AC:
8585
Asia WGS
AF:
0.0610
AC:
213
AN:
3478
EpiCase
AF:
0.0451
EpiControl
AF:
0.0426

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.076
BayesDel_addAF
Benign
-0.84
T
BayesDel_noAF
Benign
-0.84
CADD
Benign
1.2
DANN
Benign
0.52
DEOGEN2
Benign
0.014
T;.;T
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.3
FATHMM_MKL
Benign
0.034
N
LIST_S2
Benign
0.60
T;T;T
MetaRNN
Benign
0.0043
T;T;T
MetaSVM
Benign
-0.93
T
MutationAssessor
Benign
-0.67
.;.;N
MutationTaster
Benign
1.0
P;P;P;P
PrimateAI
Benign
0.22
T
PROVEAN
Benign
-0.57
N;N;N
REVEL
Benign
0.049
Sift
Benign
1.0
T;T;T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0020, 0.0
.;B;B
Vest4
0.014, 0.039
MPC
0.11
ClinPred
0.00048
T
GERP RS
0.43
Varity_R
0.032
gMVP
0.026

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: rs6022903; hg19: chr20-52612549; COSMIC: COSV105299114; COSMIC: COSV105299114; API