Genetic Variant NM_017679.5:c.356G>T (chr17-60747232-G-T) – 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.356G>T(p.Arg119Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000685 in 1,460,772 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. R119Q) 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: 6.99

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, 0.814

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BCAS3	NM_017679.5 link	c.356G>T	p.Arg119Leu	missense_variant	Exon 6 of 24	ENST00000407086.8	NP_060149.3	Q9H6U6-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BCAS3	ENST00000407086.8 link	c.356G>T	p.Arg119Leu	missense_variant	Exon 6 of 24	1	NM_017679.5	ENSP00000385323.2		Q9H6U6-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460772

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726682

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33464

American (AMR)

AF:

0.00

AC:

AN:

44718

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39686

South Asian (SAS)

AF:

0.00

AC:

AN:

86186

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53354

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111156

Other (OTH)

AF:

0.00

AC:

AN:

60332

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

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.96

BayesDel_addAF

Pathogenic

0.16

BayesDel_noAF

Uncertain

0.0

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.28

T;.;.;T;.;.

Eigen

Pathogenic

0.74

Eigen_PC

Pathogenic

0.68

FATHMM_MKL

Uncertain

0.94

LIST_S2

Pathogenic

0.98

D;D;D;D;D;D

M_CAP

Benign

0.083

MetaRNN

Pathogenic

0.81

D;D;D;D;D;D

MetaSVM

Benign

-0.38

MutationAssessor

Uncertain

2.6

.;M;M;M;M;M

PhyloP100

7.0

PrimateAI

Uncertain

0.71

PROVEAN

Pathogenic

-5.9

.;.;D;D;.;D

REVEL

Uncertain

0.48

Sift

Uncertain

0.0010

.;.;D;D;.;D

Sift4G

Pathogenic

0.0

D;D;D;D;D;D

Polyphen

1.0, 1.0, 0.99

.;D;D;D;.;.

Vest4

0.90, 0.90, 0.88, 0.92

MutPred

0.61

Loss of solvent accessibility (P = 0.0606);Loss of solvent accessibility (P = 0.0606);Loss of solvent accessibility (P = 0.0606);Loss of solvent accessibility (P = 0.0606);Loss of solvent accessibility (P = 0.0606);Loss of solvent accessibility (P = 0.0606);

MVP

0.71

MPC

1.3

ClinPred

1.0

GERP RS

4.4

Varity_R

0.60

gMVP

0.68

Mutation Taster

=47/53

disease causing

(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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NM_017679.5:c.356G>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over