Genetic Variant NM_032043.3:c.1626C>G (chr17-61784272-G-C) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 4P and 1B. PM1PM2BP4

The NM_032043.3(BRIP1):c.1626C>G(p.Ser542Arg) variant causes a missense, splice region change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S542N) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

BRIP1
NM_032043.3 missense, splice_region

Scores

Splicing: ADA: 0.0007010

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.38

Publications

0 publications found

Variant links:

Genes affected

BRIP1 (HGNC:20473): (BRCA1 interacting helicase 1) The protein encoded by this gene is a member of the RecQ DEAH helicase family and interacts with the BRCT repeats of breast cancer, type 1 (BRCA1). The bound complex is important in the normal double-strand break repair function of breast cancer, type 1 (BRCA1). This gene may be a target of germline cancer-inducing mutations. [provided by RefSeq, Jul 2008]

BRIP1 Gene-Disease associations (from GenCC):

familial ovarian cancer
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
Fanconi anemia
Inheritance: AR Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, Illumina
Fanconi anemia complementation group J
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Ambry Genetics, Labcorp Genetics (formerly Invitae)
hereditary breast carcinoma
Inheritance: AD Classification: STRONG, LIMITED, NO_KNOWN Submitted by: ClinGen, Genomics England PanelApp, Ambry Genetics, Labcorp Genetics (formerly Invitae)
colorectal adenoma
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

BRIP1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM1

In a hotspot region, there are 2 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 24 uncertain in NM_032043.3

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.32151508).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BRIP1	NM_032043.3 link	c.1626C>G	p.Ser542Arg	missense_variant, splice_region_variant	Exon 11 of 20	ENST00000259008.7	NP_114432.2	Q9BX63-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BRIP1	ENST00000259008.7 link	c.1626C>G	p.Ser542Arg	missense_variant, splice_region_variant	Exon 11 of 20	1	NM_032043.3	ENSP00000259008.2		Q9BX63-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1459602

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726202

African (AFR)

AF:

0.00

AC:

AN:

33424

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26108

East Asian (EAS)

AF:

0.00

AC:

AN:

39590

South Asian (SAS)

AF:

0.00

AC:

AN:

86092

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53408

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5472

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110516

Other (OTH)

AF:

0.00

AC:

AN:

60282

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Breast and/or ovarian cancer

Uncertain:1

Oct 12, 2021

CHEO Genetics Diagnostic Laboratory, Children's Hospital of Eastern Ontario

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.35

BayesDel_addAF

Uncertain

0.026

BayesDel_noAF

Benign

-0.20

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.18

T;.

Eigen

Uncertain

0.28

Eigen_PC

Uncertain

0.30

FATHMM_MKL

Uncertain

0.91

LIST_S2

Benign

0.82

T;T

M_CAP

Uncertain

0.13

MetaRNN

Benign

0.32

T;T

MetaSVM

Benign

-0.53

MutationAssessor

Uncertain

2.1

M;M

PhyloP100

5.4

PrimateAI

Uncertain

0.53

PROVEAN

Benign

-1.6

N;.

REVEL

Uncertain

0.35

Sift

Benign

0.34

T;.

Sift4G

Benign

0.49

T;T

Polyphen

0.87

P;.

Vest4

0.30

MutPred

0.41

Gain of MoRF binding (P = 0.0376);Gain of MoRF binding (P = 0.0376);

MVP

0.86

MPC

0.30

ClinPred

0.83

GERP RS

4.4

Varity_R

0.35

gMVP

0.49

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00070

dbscSNV1_RF

Benign

0.032

SpliceAI score (max)

0.070

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over