Genetic Variant BCAS3:p.Tyr223Ser (chr17-60889701-A-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_017679.5(BCAS3):c.668A>C(p.Tyr223Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,716 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Y223C) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

BCAS3
NM_017679.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.79

Publications

0 publications found

Variant links:

Genes affected

BCAS3 (HGNC:14347): (BCAS3 microtubule associated cell migration factor) Enables several functions, including acetyltransferase activator activity; beta-tubulin binding activity; and histone acetyltransferase binding activity. Involved in cellular response to estrogen stimulus; positive regulation of catalytic activity; and positive regulation of transcription by RNA polymerase II. Located in nucleus; phagophore assembly site; and transcriptionally active chromatin. Biomarker of breast cancer. [provided by Alliance of Genome Resources, Apr 2022]

BCAS3 Gene-Disease associations (from GenCC):

Hengel-Maroofian-Schols syndrome
Inheritance: AR Classification: STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae)

BCAS3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.794

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017679.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BCAS3	NM_017679.5	MANE Select	c.668A>C	p.Tyr223Ser	missense	Exon 10 of 24	NP_060149.3
BCAS3	NM_001353144.2		c.668A>C	p.Tyr223Ser	missense	Exon 10 of 26	NP_001340073.1
BCAS3	NM_001330413.2		c.668A>C	p.Tyr223Ser	missense	Exon 10 of 26	NP_001317342.1	Q9H6U6-8

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BCAS3	ENST00000407086.8	TSL:1 MANE Select	c.668A>C	p.Tyr223Ser	missense	Exon 10 of 24	ENSP00000385323.2	Q9H6U6-2
BCAS3	ENST00000390652.9	TSL:1	c.668A>C	p.Tyr223Ser	missense	Exon 10 of 25	ENSP00000375067.4	Q9H6U6-1
BCAS3	ENST00000589222.5	TSL:1	c.668A>C	p.Tyr223Ser	missense	Exon 10 of 26	ENSP00000466078.1	Q9H6U6-7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460716

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726706

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33438

American (AMR)

AF:

0.00

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39682

South Asian (SAS)

AF:

0.00

AC:

AN:

86196

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5152

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111690

Other (OTH)

AF:

0.00

AC:

AN:

60300

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.79

BayesDel_addAF

Uncertain

0.067

BayesDel_noAF

Benign

-0.14

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.28

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.64

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.96

M_CAP

Benign

0.024

MetaRNN

Pathogenic

0.79

MetaSVM

Benign

-1.2

MutationAssessor

Benign

1.8

PhyloP100

6.8

PrimateAI

Uncertain

0.78

PROVEAN

Pathogenic

-7.4

REVEL

Uncertain

0.43

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.0060

Polyphen

0.99

Vest4

0.80

MutPred

0.53

Loss of sheet (P = 0.0054)

MVP

0.53

MPC

1.4

ClinPred

1.0

GERP RS

4.9

Varity_R

0.86

gMVP

0.71

Mutation Taster

=64/36

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over