rs767745816

Variant summary

Our verdict is Pathogenic. Variant got 18 ACMG points: 18P and 0B. PVS1PM2PP5_Very_Strong

The NM_018418.5(SPATA7):​c.288T>A​(p.Cys96Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000508 in 1,613,320 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 Likely pathogenic (★★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000054 ( 0 hom. )

Consequence

SPATA7
NM_018418.5 stop_gained

Scores

2
1
4

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:7

Conservation

PhyloP100: 0.589
Variant links:
Genes affected
SPATA7 (HGNC:20423): (spermatogenesis associated 7) This gene, originally isolated from testis, is also expressed in retina. Mutations in this gene are associated with Leber congenital amaurosis and juvenile retinitis pigmentosa. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 18 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 14-88416760-T-A is Pathogenic according to our data. Variant chr14-88416760-T-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 191050.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr14-88416760-T-A is described in Lovd as [Pathogenic]. Variant chr14-88416760-T-A is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SPATA7NM_018418.5 linkuse as main transcriptc.288T>A p.Cys96Ter stop_gained 5/12 ENST00000393545.9 NP_060888.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SPATA7ENST00000393545.9 linkuse as main transcriptc.288T>A p.Cys96Ter stop_gained 5/121 NM_018418.5 ENSP00000377176 P2Q9P0W8-1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152202
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000239
AC:
6
AN:
250800
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135712
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000529
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000541
AC:
79
AN:
1461118
Hom.:
0
Cov.:
30
AF XY:
0.0000468
AC XY:
34
AN XY:
726900
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000693
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152202
Hom.:
0
Cov.:
32
AF XY:
0.0000403
AC XY:
3
AN XY:
74356
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000564
Hom.:
0
Bravo
AF:
0.00000756
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.0000165
AC:
2

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:7
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Leber congenital amaurosis 3 Pathogenic:3
Pathogenic, criteria provided, single submitterclinical testingVictorian Clinical Genetics Services, Murdoch Childrens Research InstituteMay 06, 2021Based on the classification scheme VCGS_Germline_v1.3.4, this variant is classified as Pathogenic. Following criteria are met: 0102 - Loss of function is a known mechanism of disease in this gene and is associated with Leber congenital amaurosis 3 (MIM#604232) and autosomal recessive juvenile retinitis pigmentosa (MIM#604232). (I) 0106 - This gene is associated with autosomal recessive disease. (I) 0201 - Variant is predicted to cause nonsense-mediated decay (NMD) and loss of protein (premature termination codon is located at least 54 nucleotides upstream of the final exon-exon junction). (SP) 0251 - This variant is heterozygous. (I) 0304 - Variant is present in gnomAD (v2) <0.01 for a recessive condition (7 heterozygotes, 0 homozygotes). (SP) 0701 - Other NMD-predicted variants comparable to the one identified in this case have very strong previous evidence for pathogenicity. More than 10 NMD-predicted variants in this gene have been reported in patients (PMID: 31908400, ClinVar). (SP) 0801 - This variant has strong previous evidence of pathogenicity in unrelated individuals. It has been reported in multiple patients with retinitis pigmentosa or Leber congenital amaurosis (PMIDs: 26355662, 26261414, 26306921). (SP) 1201 - Heterozygous variant detected in trans with a second pathogenic heterozygous variant (c.1126_1127delGA) in a recessive disease. (SP) 1205 - This variant has been shown to be maternally inherited. (I) Legend: (SP) - Supporting pathogenic, (I) - Information, (SB) - Supporting benign -
Pathogenic, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 17, 2023This sequence change creates a premature translational stop signal (p.Cys96*) in the SPATA7 gene. It is expected to result in an absent or disrupted protein product. Loss-of-function variants in SPATA7 are known to be pathogenic (PMID: 19268277, 22334370, 23847139, 26047050, 26261414). This variant is present in population databases (rs767745816, gnomAD 0.006%). This premature translational stop signal has been observed in individual(s) with inherited retinal dystrophy (PMID: 26306921). ClinVar contains an entry for this variant (Variation ID: 191050). For these reasons, this variant has been classified as Pathogenic. -
Likely pathogenic, criteria provided, single submitterclinical testingRevvity Omics, RevvityNov 19, 2021- -
not provided Pathogenic:2
Likely pathogenic, criteria provided, single submitterresearchCenter for Genomic Medicine, King Faisal Specialist Hospital and Research Center-- -
Pathogenic, criteria provided, single submitterclinical testingClinical Genetics and Genomics, Karolinska University HospitalJan 16, 2015- -
Autosomal recessive retinitis pigmentosa Pathogenic:1
Pathogenic, no assertion criteria providedliterature onlyFaculty of Health Sciences, Beirut Arab UniversitySep 10, 2015- -
Retinitis pigmentosa Pathogenic:1
Pathogenic, no assertion criteria providedresearchSharon lab, Hadassah-Hebrew University Medical CenterJun 23, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.20
D
BayesDel_noAF
Pathogenic
0.20
CADD
Pathogenic
35
DANN
Uncertain
0.99
Eigen
Benign
0.054
Eigen_PC
Benign
-0.20
FATHMM_MKL
Benign
0.70
D
MutationTaster
Benign
1.0
A;A;A;A
Vest4
0.24
GERP RS
-1.1

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs767745816; hg19: chr14-88883104; API