5-35641546-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_024867.4(SPEF2):​c.277G>A​(p.Ala93Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000533 in 1,613,772 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.00063 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00052 ( 1 hom. )

Consequence

SPEF2
NM_024867.4 missense

Scores

4
8
7

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: 8.58
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 -7 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.012461096).
BP6
Variant 5-35641546-G-A is Benign according to our data. Variant chr5-35641546-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3036780.Status of the report is no_assertion_criteria_provided, 0 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000631 (96/152190) while in subpopulation EAS AF= 0.00213 (11/5168). AF 95% confidence interval is 0.00119. There are 0 homozygotes in gnomad4. There are 59 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SPEF2NM_024867.4 linkuse as main transcriptc.277G>A p.Ala93Thr missense_variant 3/37 ENST00000356031.8 NP_079143.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SPEF2ENST00000356031.8 linkuse as main transcriptc.277G>A p.Ala93Thr missense_variant 3/371 NM_024867.4 ENSP00000348314 P2Q9C093-1

Frequencies

GnomAD3 genomes
AF:
0.000631
AC:
96
AN:
152072
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000721
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00212
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00368
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000441
Gnomad OTH
AF:
0.00192
GnomAD3 exomes
AF:
0.000768
AC:
193
AN:
251166
Hom.:
0
AF XY:
0.000737
AC XY:
100
AN XY:
135746
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000869
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00103
Gnomad SAS exome
AF:
0.0000980
Gnomad FIN exome
AF:
0.00467
Gnomad NFE exome
AF:
0.000502
Gnomad OTH exome
AF:
0.00163
GnomAD4 exome
AF:
0.000523
AC:
764
AN:
1461582
Hom.:
1
Cov.:
33
AF XY:
0.000518
AC XY:
377
AN XY:
727108
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.0000672
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00179
Gnomad4 SAS exome
AF:
0.000162
Gnomad4 FIN exome
AF:
0.00500
Gnomad4 NFE exome
AF:
0.000327
Gnomad4 OTH exome
AF:
0.000679
GnomAD4 genome
AF:
0.000631
AC:
96
AN:
152190
Hom.:
0
Cov.:
32
AF XY:
0.000793
AC XY:
59
AN XY:
74406
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.000720
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00213
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00368
Gnomad4 NFE
AF:
0.000441
Gnomad4 OTH
AF:
0.00190
Alfa
AF:
0.000440
Hom.:
0
Bravo
AF:
0.000272
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000914
AC:
111
Asia WGS
AF:
0.00289
AC:
10
AN:
3478
EpiCase
AF:
0.000382
EpiControl
AF:
0.000119

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

SPEF2-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 23, 2022This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.37
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Uncertain
0.020
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.19
.;.;T;T;.;.
Eigen
Pathogenic
0.91
Eigen_PC
Pathogenic
0.91
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.91
D;D;D;D;D;D
M_CAP
Benign
0.029
D
MetaRNN
Benign
0.012
T;T;T;T;T;T
MetaSVM
Benign
-0.82
T
MutationAssessor
Uncertain
2.7
M;.;.;M;.;M
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Benign
0.46
T
PROVEAN
Uncertain
-3.0
D;D;.;D;D;D
REVEL
Uncertain
0.45
Sift
Uncertain
0.014
D;D;.;D;D;D
Sift4G
Uncertain
0.034
D;D;.;D;D;D
Polyphen
0.99
D;D;.;D;.;.
Vest4
0.71
MVP
0.41
MPC
0.23
ClinPred
0.11
T
GERP RS
5.9
Varity_R
0.75
gMVP
0.36

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: rs149043842; hg19: chr5-35641648; API