chr17-15987265-C-A

Variant names:

• chr17-15987265-C-A
• NM_001042697.2:c.201+1G>T

Variant summary

Our verdict is Pathogenic. The variant received 11 ACMG points: 11P and 0B. PVS1 PM2 PP5

The NM_001042697.2(ZSWIM7):​c.201+1G>T variant causes a splice donor, intron change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: ZSWIM7 NM_001042697.2 splice_donor, intron
• Scores: Splicing: ADA: 1.000
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 4.79
• Publications: 1 publications found

Genes affected

ZSWIM7 (HGNC:26993): (zinc finger SWIM-type containing 7) Predicted to enable zinc ion binding activity. Involved in double-strand break repair via homologous recombination and protein stabilization. Part of Shu complex. [provided by Alliance of Genome Resources, Apr 2022]

ZSWIM7 Gene-Disease associations (from GenCC):

• male infertility with azoospermia or oligozoospermia due to single gene mutation

  Inheritance: AR Classification: STRONG Submitted by: King Faisal Specialist Hospital and Research Center
• ovarian dysgenesis 10

  Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
• colorectal adenoma

  Inheritance: Unknown Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Pathogenic. The variant received 11 ACMG points.

• PVS1: Splicing +-2 bp (donor or acceptor) variant, LoF is a know mechanism of disease, No cryptic splice site detected. Exon removal results in frameshift change.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 17-15987265-C-A is Pathogenic according to our data. Variant chr17-15987265-C-A is described in ClinVar as Pathogenic. ClinVar VariationId is 1676297.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001042697.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ZSWIM7	NM_001042697.2	MANE Select	c.201+1G>T		splice_donor intron	N/A	NP_001036162.1	Q19AV6
	ZSWIM7	NM_001042698.2		c.201+1G>T		splice_donor intron	N/A	NP_001036163.1	Q19AV6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ZSWIM7	ENST00000399277.6	TSL:1 MANE Select	c.201+1G>T		splice_donor intron	N/A	ENSP00000382218.1	Q19AV6
	ZSWIM7	ENST00000472495.5	TSL:1	c.201+1G>T		splice_donor intron	N/A	ENSP00000419138.1	Q19AV6
	ZSWIM7	ENST00000486706.6	TSL:1	n.*118+1G>T		splice_donor intron	N/A	ENSP00000463327.1	J3QS31

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 29

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Pathogenic

Revision: no assertion criteria provided

Pathogenic	VUS	Benign	Condition
1	-	-	Spermatogenic failure 71 (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.44	D
BayesDel_noAF	Pathogenic	0.39
CADD	Pathogenic	32
DANN	Uncertain	0.99
Eigen	Pathogenic	1.2
Eigen_PC	Pathogenic	1.0
FATHMM_MKL	Uncertain	0.95	D
PhyloP100		4.8
GERP RS		5.9

Splicing

Name	Calibrated prediction	Score	Prediction
dbscSNV1_ADA	Pathogenic	1.0
dbscSNV1_RF	Pathogenic	0.94
SpliceAI score (max)		0.99		Details are displayed if max score is > 0.2
DS_DL_spliceai		0.99		Position offset: 1

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

Other links and lift over

hg19: chr17-15890579;