chr17-61685812-GTAAAT-G

Variant names:

• chr17-61685812-GTAAAT-G
• rs1157279744
• NM_032043.3:c.2905+19_2905+23delATTTA

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 2P and 8B. PM2 BP6_Very_Strong

The NM_032043.3(BRIP1):​c.2905+19_2905+23delATTTA variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000142 in 1,406,766 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely benign (★★).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: BRIP1 NM_032043.3 intron
• Clinical Significance: Likely benign criteria provided, multiple submitters, no conflicts B:2
• Conservation: PhyloP100: 2.73
• Publications: 0 publications found

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

ACMG classification

Our verdict: Likely_benign. The variant received -6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP6: Variant 17-61685812-GTAAAT-G is Benign according to our data. Variant chr17-61685812-GTAAAT-G is described in ClinVar as Likely_benign. ClinVar VariationId is 491458.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032043.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BRIP1	NM_032043.3	MANE Select	c.2905+19_2905+23delATTTA		intron	N/A	NP_114432.2

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BRIP1	ENST00000259008.7	TSL:1 MANE Select	c.2905+19_2905+23delATTTA		intron	N/A	ENSP00000259008.2
	BRIP1	ENST00000577598.5	TSL:5	c.2924_2928delATTTA	p.His975ProfsTer11	frameshift	Exon 18 of 18	ENSP00000464654.1
	BRIP1	ENST00000682066.1		n.*1452_*1456delATTTA		non_coding_transcript_exon	Exon 15 of 15	ENSP00000507191.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD2 exomes AF: 0.00000403 AC: 1 AN: 247974 AF XY: 0.00000744

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000292

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000142 AC: 2 AN: 1406766 Hom.: 0 AF XY: 0.00000285 AC XY: 2 AN XY: 702938

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 32170

American (AMR) AF: 0.0000451 AC: 2 AN: 44370

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25756

East Asian (EAS) AF: 0.00 AC: 0 AN: 39412

South Asian (SAS) AF: 0.00 AC: 0 AN: 84830

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52212

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5660

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1063708

Other (OTH) AF: 0.00 AC: 0 AN: 58648

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.0296732), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

ClinVar

Significance: Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

Submissions by phenotype

Familial cancer of breast;C1836860:Fanconi anemia complementation group J Benign:1

Aug 28, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Hereditary cancer-predisposing syndrome Benign:1

Nov 15, 2016

Color Diagnostics, LLC DBA Color Health

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		2.7

Splicing

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

Other links and lift over

dbSNP: rs1157279744; hg19: chr17-59763173;