Genetic Variant BCAS1:p.Gly600Asp (chr20-53953448-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_001366298.2(BCAS1):c.1799G>A(p.Gly600Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000787 in 1,613,876 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000079 ( 0 hom. )

Consequence

BCAS1
NM_001366298.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.22

Publications

2 publications found

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]

BCAS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001366298.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BCAS1	NM_001366298.2	MANE Select	c.1799G>A	p.Gly600Asp	missense	Exon 12 of 13	NP_001353227.1	A0A8I5KUN3
BCAS1	NM_003657.4		c.1664G>A	p.Gly555Asp	missense	Exon 11 of 12	NP_003648.2	O75363-1
BCAS1	NM_001366295.2		c.1622G>A	p.Gly541Asp	missense	Exon 10 of 11	NP_001353224.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BCAS1	ENST00000688948.1	MANE Select	c.1799G>A	p.Gly600Asp	missense	Exon 12 of 13	ENSP00000508731.1	A0A8I5KUN3
BCAS1	ENST00000395961.7	TSL:1	c.1664G>A	p.Gly555Asp	missense	Exon 11 of 12	ENSP00000379290.3	O75363-1
BCAS1	ENST00000371435.6	TSL:1	c.1430G>A	p.Gly477Asp	missense	Exon 9 of 10	ENSP00000360490.2	G3XAF7

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152092

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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:

0.000118

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000719

AC:

AN:

250198

AF XY:

0.0000665

show subpopulations

Gnomad AFR exome

AF:

0.0000615

Gnomad AMR exome

AF:

0.000174

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000800

Gnomad OTH exome

AF:

0.000327

GnomAD4 exome

AF:

0.0000794

AC:

116

AN:

1461784

Hom.:

Cov.:

AF XY:

0.0000756

AC XY:

AN XY:

727190

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33470

American (AMR)

AF:

0.000179

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5704

European-Non Finnish (NFE)

AF:

0.0000935

AC:

104

AN:

1111996

Other (OTH)

AF:

0.0000662

AC:

AN:

60388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000723

AC:

AN:

152092

Hom.:

Cov.:

AF XY:

0.0000808

AC XY:

AN XY:

74280

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41404

American (AMR)

AF:

0.000196

AC:

AN:

15276

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10596

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.484

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000136

Hom.:

Bravo

AF:

0.0000907

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000778

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000233

AC:

ExAC

AF:

0.0000659

AC:

EpiCase

AF:

0.000164

EpiControl

AF:

0.0000593

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.53

BayesDel_addAF

Uncertain

0.080

BayesDel_noAF

Pathogenic

0.15

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.32

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Uncertain

0.90

LIST_S2

Uncertain

0.91

M_CAP

Benign

0.085

MetaRNN

Uncertain

0.74

MetaSVM

Uncertain

-0.16

MutationAssessor

Uncertain

2.4

PhyloP100

3.2

PrimateAI

Uncertain

0.55

PROVEAN

Pathogenic

-6.3

REVEL

Uncertain

0.31

Sift

Uncertain

0.0030

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.79

MVP

0.87

MPC

0.51

ClinPred

0.70

GERP RS

5.2

Varity_R

0.71

gMVP

0.16

Mutation Taster

=74/26

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over