5-35700496-T-C

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_024867.4(SPEF2):ā€‹c.2142T>Cā€‹(p.Asn714=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.533 in 1,606,028 control chromosomes in the GnomAD database, including 232,276 homozygotes. 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 Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.54 ( 22330 hom., cov: 32)
Exomes š‘“: 0.53 ( 209946 hom. )

Consequence

SPEF2
NM_024867.4 splice_region, synonymous

Scores

2
Splicing: ADA: 0.0002073
2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -0.252
Variant links:
Genes affected
SPEF2 (HGNC:26293): (sperm flagellar 2) Involved in sperm axoneme assembly. Located in sperm flagellum. Implicated in spermatogenic failure 43. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.83).
BP6
Variant 5-35700496-T-C is Benign according to our data. Variant chr5-35700496-T-C is described in ClinVar as [Benign]. Clinvar id is 403477.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-0.252 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.555 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SPEF2NM_024867.4 linkuse as main transcriptc.2142T>C p.Asn714= splice_region_variant, synonymous_variant 16/37 ENST00000356031.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SPEF2ENST00000356031.8 linkuse as main transcriptc.2142T>C p.Asn714= splice_region_variant, synonymous_variant 16/371 NM_024867.4 P2Q9C093-1
ENST00000510433.1 linkuse as main transcriptn.174-2461A>G intron_variant, non_coding_transcript_variant 4

Frequencies

GnomAD3 genomes
AF:
0.537
AC:
81529
AN:
151906
Hom.:
22309
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.561
Gnomad AMI
AF:
0.559
Gnomad AMR
AF:
0.453
Gnomad ASJ
AF:
0.562
Gnomad EAS
AF:
0.261
Gnomad SAS
AF:
0.433
Gnomad FIN
AF:
0.620
Gnomad MID
AF:
0.554
Gnomad NFE
AF:
0.555
Gnomad OTH
AF:
0.529
GnomAD3 exomes
AF:
0.500
AC:
122676
AN:
245228
Hom.:
32299
AF XY:
0.505
AC XY:
67354
AN XY:
133262
show subpopulations
Gnomad AFR exome
AF:
0.560
Gnomad AMR exome
AF:
0.353
Gnomad ASJ exome
AF:
0.578
Gnomad EAS exome
AF:
0.263
Gnomad SAS exome
AF:
0.451
Gnomad FIN exome
AF:
0.599
Gnomad NFE exome
AF:
0.561
Gnomad OTH exome
AF:
0.537
GnomAD4 exome
AF:
0.532
AC:
774160
AN:
1454004
Hom.:
209946
Cov.:
35
AF XY:
0.532
AC XY:
384302
AN XY:
722936
show subpopulations
Gnomad4 AFR exome
AF:
0.566
Gnomad4 AMR exome
AF:
0.368
Gnomad4 ASJ exome
AF:
0.575
Gnomad4 EAS exome
AF:
0.239
Gnomad4 SAS exome
AF:
0.454
Gnomad4 FIN exome
AF:
0.593
Gnomad4 NFE exome
AF:
0.551
Gnomad4 OTH exome
AF:
0.523
GnomAD4 genome
AF:
0.537
AC:
81597
AN:
152024
Hom.:
22330
Cov.:
32
AF XY:
0.536
AC XY:
39858
AN XY:
74306
show subpopulations
Gnomad4 AFR
AF:
0.561
Gnomad4 AMR
AF:
0.452
Gnomad4 ASJ
AF:
0.562
Gnomad4 EAS
AF:
0.262
Gnomad4 SAS
AF:
0.433
Gnomad4 FIN
AF:
0.620
Gnomad4 NFE
AF:
0.555
Gnomad4 OTH
AF:
0.532
Alfa
AF:
0.545
Hom.:
48126
Bravo
AF:
0.525
Asia WGS
AF:
0.402
AC:
1400
AN:
3478
EpiCase
AF:
0.561
EpiControl
AF:
0.569

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:1
Benign, criteria provided, single submitterclinical testingLaboratory for Molecular Medicine, Mass General Brigham Personalized MedicineMar 29, 2016Variant identified in a genome or exome case(s) and assessed due to predicted null impact of the variant or pathogenic assertions in the literature or databases. Disclaimer: This variant has not undergone full assessment. The following are preliminary notes: Frequency -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingGeneDxMay 04, 2021- -
Spermatogenic failure 43 Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabJul 15, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.83
CADD
Benign
1.0
DANN
Benign
0.69

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00021
dbscSNV1_RF
Benign
0.020
SpliceAI score (max)
0.0
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: rs6451206; hg19: chr5-35700598; COSMIC: COSV61544426; COSMIC: COSV61544426; API