Genetic Variant BORCS7:p.Ser95Trp (chr10-102862887-C-G) – 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_001136200.2(BORCS7):c.284C>G(p.Ser95Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,456,724 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign 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. S95L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

BORCS7
NM_001136200.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.91

Publications

3 publications found

Variant links:

Genes affected

BORCS7 (HGNC:23516): (BLOC-1 related complex subunit 7) Part of BORC complex. [provided by Alliance of Genome Resources, Apr 2022]

BORCS7 links:

BORCS7-ASMT (HGNC:49183): (BORCS7-ASMT readthrough (NMD candidate)) This locus represents naturally occurring read-through transcription between the neighboring C10orf32 (chromosome 10 open reading frame 32) and AS3MT (arsenic, +3 oxidation state, methyltransferase) genes. The read-through transcript is a candidate for nonsense-mediated mRNA decay (NMD), and is therefore unlikely to produce a protein product. [provided by RefSeq, Dec 2010]

BORCS7-ASMT links:

ENSG00000296999 (HGNC:):

ENSG00000296999 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;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BORCS7	NM_001136200.2 link	c.284C>G	p.Ser95Trp	missense_variant	Exon 5 of 5	ENST00000339834.10	NP_001129672.1	Q96B45A0A0B4J1R7
BORCS7	NM_144591.5 link	c.284C>G	p.Ser95Trp	missense_variant	Exon 5 of 6		NP_653192.2	Q96B45A0A0B4J1R7
BORCS7-ASMT	NR_037644.1 link	n.361C>G		non_coding_transcript_exon_variant	Exon 5 of 15

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
BORCS7	ENST00000339834.10 link	c.284C>G	p.Ser95Trp	missense_variant	Exon 5 of 5	1	NM_001136200.2	ENSP00000342331.5	Q96B45
BORCS7	ENST00000369883.3 link	c.284C>G	p.Ser95Trp	missense_variant	Exon 5 of 6	1		ENSP00000358899.3	Q96B45
BORCS7-ASMT	ENST00000299353.6 link	n.284C>G		non_coding_transcript_exon_variant	Exon 5 of 15	5		ENSP00000299353.5	A0A0B4J1R7
ENSG00000296999	ENST00000744161.1 link	n.484-109G>C		intron_variant	Intron 2 of 2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1456724

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

724998

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33376

American (AMR)

AF:

0.00

AC:

AN:

44712

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26106

East Asian (EAS)

AF:

0.00

AC:

AN:

39662

South Asian (SAS)

AF:

0.00

AC:

AN:

86142

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53384

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00000181

AC:

AN:

1107340

Other (OTH)

AF:

0.00

AC:

AN:

60242

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

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

Benign

0.30

BayesDel_addAF

Benign

-0.0073

BayesDel_noAF

Benign

-0.25

CADD

Pathogenic

(source)

DANN

Uncertain

0.98

Eigen

Benign

0.069

Eigen_PC

Benign

-0.020

FATHMM_MKL

Uncertain

0.86

LIST_S2

Uncertain

0.91

.;D

M_CAP

Benign

0.022

MetaRNN

Benign

0.30

T;T

MetaSVM

Benign

-0.78

PhyloP100

2.9

PROVEAN

Uncertain

-3.0

D;D

REVEL

Benign

0.26

Sift

Uncertain

0.0090

D;D

Sift4G

Uncertain

0.012

D;D

Vest4

0.44

MVP

0.40

MPC

0.72

ClinPred

0.95

GERP RS

5.2

gMVP

0.32

Mutation Taster

=78/22

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.27

Details are displayed if max score is > 0.2

DS_AL_spliceai

0.27

Position offset: -14

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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chr10-102862887-C-G

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