chr20-50841890-C-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.389C>A​(p.Ser130Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0017 in 1,584,220 control chromosomes in the GnomAD database, including 24 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

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

Consequence

BCAS4
NM_198799.4 missense

Scores

3
15

Clinical Significance

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

Conservation

PhyloP100: 1.04
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=0.004421115).
BP6
Variant 20-50841890-C-A is Benign according to our data. Variant chr20-50841890-C-A is described in ClinVar as [Benign]. Clinvar id is 713433.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 = 0.00863 (1314/152280) while in subpopulation AFR AF= 0.0295 (1225/41556). AF 95% confidence interval is 0.0281. 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 Protein UniProt
BCAS4NM_198799.4 linkuse as main transcriptc.389C>A p.Ser130Tyr missense_variant 4/5 ENST00000371608.8 NP_942094.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
BCAS4ENST00000371608.8 linkuse as main transcriptc.389C>A p.Ser130Tyr missense_variant 4/51 NM_198799.4 ENSP00000360669 P2

Frequencies

GnomAD3 genomes
AF:
0.00860
AC:
1308
AN:
152162
Hom.:
17
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0294
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00386
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:
0.00430
GnomAD3 exomes
AF:
0.00240
AC:
547
AN:
227670
Hom.:
8
AF XY:
0.00181
AC XY:
224
AN XY:
123522
show subpopulations
Gnomad AFR exome
AF:
0.0274
Gnomad AMR exome
AF:
0.00230
Gnomad ASJ exome
AF:
0.00201
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000738
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000241
Gnomad OTH exome
AF:
0.00168
GnomAD4 exome
AF:
0.000960
AC:
1374
AN:
1431940
Hom.:
7
Cov.:
31
AF XY:
0.000849
AC XY:
602
AN XY:
709362
show subpopulations
Gnomad4 AFR exome
AF:
0.0279
Gnomad4 AMR exome
AF:
0.00231
Gnomad4 ASJ exome
AF:
0.00143
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000961
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000164
Gnomad4 OTH exome
AF:
0.00241
GnomAD4 genome
AF:
0.00863
AC:
1314
AN:
152280
Hom.:
17
Cov.:
32
AF XY:
0.00804
AC XY:
599
AN XY:
74458
show subpopulations
Gnomad4 AFR
AF:
0.0295
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:
0.00425
Alfa
AF:
0.00177
Hom.:
4
Bravo
AF:
0.00936
ESP6500AA
AF:
0.0238
AC:
105
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.00267
AC:
324
Asia WGS
AF:
0.00115
AC:
4
AN:
3478

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
0.15
BayesDel_addAF
Benign
-0.54
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Benign
0.18
T;.;T
Eigen
Benign
-0.21
Eigen_PC
Benign
-0.39
FATHMM_MKL
Benign
0.19
N
LIST_S2
Benign
0.70
T;T;T
MetaRNN
Benign
0.0044
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
2.0
M;M;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.38
T
PROVEAN
Uncertain
-3.4
D;D;.
REVEL
Benign
0.045
Sift
Uncertain
0.0020
D;D;.
Sift4G
Benign
0.12
T;D;T
Polyphen
0.99
D;D;.
Vest4
0.28
MVP
0.49
MPC
0.93
ClinPred
0.023
T
GERP RS
2.4
Varity_R
0.15
gMVP
0.37

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: rs2145693; hg19: chr20-49458427; API