rs1060501775

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM1PM2PP3

The NM_032043.3(BRIP1):​c.2558C>T​(p.Pro853Leu) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,022 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 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. P853R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

BRIP1
NM_032043.3 missense

Scores

5
12
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.77

Publications

2 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

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 42 uncertain in NM_032043.3
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.765

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BRIP1NM_032043.3 linkc.2558C>T p.Pro853Leu missense_variant Exon 18 of 20 ENST00000259008.7 NP_114432.2

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BRIP1ENST00000259008.7 linkc.2558C>T p.Pro853Leu missense_variant Exon 18 of 20 1 NM_032043.3 ENSP00000259008.2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251334
AF XY:
0.00000736
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461022
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
726846
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33454
American (AMR)
AF:
0.00
AC:
0
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26118
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39650
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86240
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53408
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111302
Other (OTH)
AF:
0.00
AC:
0
AN:
60364
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Familial cancer of breast;C1836860:Fanconi anemia complementation group J Uncertain:1
Nov 22, 2016
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

In summary, this variant is a novel missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a BRIP1-related disease. This sequence change replaces proline with leucine at codon 853 of the BRIP1 protein (p.Pro853Leu). The proline residue is highly conserved and there is a moderate physicochemical difference between proline and leucine. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.23
BayesDel_addAF
Uncertain
0.089
D
BayesDel_noAF
Uncertain
0.060
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.67
D;.
Eigen
Pathogenic
0.72
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D
M_CAP
Uncertain
0.20
D
MetaRNN
Pathogenic
0.77
D;D
MetaSVM
Uncertain
0.26
D
MutationAssessor
Uncertain
2.5
M;M
PhyloP100
4.8
PrimateAI
Uncertain
0.56
T
PROVEAN
Pathogenic
-5.5
D;.
REVEL
Uncertain
0.58
Sift
Uncertain
0.0080
D;.
Sift4G
Uncertain
0.011
D;D
Polyphen
0.99
D;.
Vest4
0.61
MutPred
0.46
Loss of disorder (P = 0.0375);Loss of disorder (P = 0.0375);
MVP
0.97
MPC
0.64
ClinPred
0.97
D
GERP RS
5.7
Varity_R
0.26
gMVP
0.60

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.34
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.34
Position offset: -17

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

Publications

Other links and lift over

dbSNP: rs1060501775; hg19: chr17-59770808; API