chr20-50841889-T-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_198799.4(BCAS4):​c.388T>A​(p.Ser130Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00169 in 1,585,184 control chromosomes in the GnomAD database, including 24 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S130Y) has been classified as Benign.

Frequency

Genomes: 𝑓 0.0086 ( 17 hom., cov: 32)
Exomes 𝑓: 0.00096 ( 7 hom. )

Consequence

BCAS4
NM_198799.4 missense

Scores

18

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -1.48
Variant links:
Genes affected
BCAS4 (HGNC:14367): (breast carcinoma amplified sequence 4) Predicted to be part of BLOC-1 complex. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0032875836).
BP6
Variant 20-50841889-T-A is Benign according to our data. Variant chr20-50841889-T-A is described in ClinVar as [Benign]. Clinvar id is 713432.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00864 (1314/152046) while in subpopulation AFR AF= 0.0296 (1225/41446). AF 95% confidence interval is 0.0282. There are 17 homozygotes in gnomad4. There are 599 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 17 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BCAS4NM_198799.4 linkuse as main transcriptc.388T>A p.Ser130Thr missense_variant 4/5 ENST00000371608.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BCAS4ENST00000371608.8 linkuse as main transcriptc.388T>A p.Ser130Thr missense_variant 4/51 NM_198799.4 P2

Frequencies

GnomAD3 genomes
AF:
0.00861
AC:
1308
AN:
151928
Hom.:
17
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0295
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00387
Gnomad ASJ
AF:
0.00144
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000235
Gnomad OTH
AF:
0.00431
GnomAD3 exomes
AF:
0.00238
AC:
545
AN:
229016
Hom.:
8
AF XY:
0.00179
AC XY:
223
AN XY:
124440
show subpopulations
Gnomad AFR exome
AF:
0.0274
Gnomad AMR exome
AF:
0.00223
Gnomad ASJ exome
AF:
0.00196
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000730
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000240
Gnomad OTH exome
AF:
0.00166
GnomAD4 exome
AF:
0.000956
AC:
1370
AN:
1433138
Hom.:
7
Cov.:
31
AF XY:
0.000843
AC XY:
599
AN XY:
710166
show subpopulations
Gnomad4 AFR exome
AF:
0.0278
Gnomad4 AMR exome
AF:
0.00231
Gnomad4 ASJ exome
AF:
0.00142
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000958
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000164
Gnomad4 OTH exome
AF:
0.00241
GnomAD4 genome
AF:
0.00864
AC:
1314
AN:
152046
Hom.:
17
Cov.:
32
AF XY:
0.00806
AC XY:
599
AN XY:
74328
show subpopulations
Gnomad4 AFR
AF:
0.0296
Gnomad4 AMR
AF:
0.00386
Gnomad4 ASJ
AF:
0.00144
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000235
Gnomad4 OTH
AF:
0.00426
Alfa
AF:
0.00469
Hom.:
3
Bravo
AF:
0.00936
ESP6500AA
AF:
0.0243
AC:
107
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.00267
AC:
324

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.70
T
BayesDel_noAF
Benign
-0.75
CADD
Benign
0.40
DANN
Benign
0.89
DEOGEN2
Benign
0.013
T;.;T
Eigen
Benign
-0.94
Eigen_PC
Benign
-1.0
FATHMM_MKL
Benign
0.036
N
LIST_S2
Benign
0.44
T;T;T
MetaRNN
Benign
0.0033
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.1
L;L;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.36
T
PROVEAN
Benign
-1.5
N;N;.
REVEL
Benign
0.022
Sift
Benign
0.15
T;T;.
Sift4G
Benign
0.34
T;T;T
Polyphen
0.12
B;B;.
Vest4
0.078
MVP
0.24
MPC
0.23
ClinPred
0.0012
T
GERP RS
-2.9
Varity_R
0.060
gMVP
0.28

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: rs2145692; hg19: chr20-49458426; API