NM_024867.4:c.83T>C

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 1P and 0B. PP3

The NM_024867.4(SPEF2):​c.83T>C​(p.Phe28Ser) variant causes a missense change. The variant allele was found at a frequency of 0.00000616 in 1,461,636 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 Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

SPEF2
NM_024867.4 missense

Scores

9
6
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.52

Publications

0 publications found
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]
SPEF2 Gene-Disease associations (from GenCC):
  • primary ciliary dyskinesia
    Inheritance: AR, AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
  • spermatogenic failure 43
    Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae)
  • non-syndromic male infertility due to sperm motility disorder
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PP3
MetaRNN computational evidence supports a deleterious effect, 0.837

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024867.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPEF2
NM_024867.4
MANE Select
c.83T>Cp.Phe28Ser
missense
Exon 2 of 37NP_079143.3
SPEF2
NM_144722.4
c.83T>Cp.Phe28Ser
missense
Exon 2 of 10NP_653323.1Q9C093-3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPEF2
ENST00000356031.8
TSL:1 MANE Select
c.83T>Cp.Phe28Ser
missense
Exon 2 of 37ENSP00000348314.3Q9C093-1
SPEF2
ENST00000509059.5
TSL:1
c.83T>Cp.Phe28Ser
missense
Exon 2 of 19ENSP00000421593.1D6REZ4
SPEF2
ENST00000282469.10
TSL:1
c.83T>Cp.Phe28Ser
missense
Exon 2 of 10ENSP00000282469.6Q9C093-3

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD2 exomes
AF:
0.00000398
AC:
1
AN:
251168
AF XY:
0.00
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 FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461636
Hom.:
0
Cov.:
30
AF XY:
0.00000550
AC XY:
4
AN XY:
727114
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33470
American (AMR)
AF:
0.00
AC:
0
AN:
44702
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39686
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86212
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53410
Middle Eastern (MID)
AF:
0.000173
AC:
1
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000720
AC:
8
AN:
1111870
Other (OTH)
AF:
0.00
AC:
0
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.458
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000378

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.97
BayesDel_addAF
Pathogenic
0.30
D
BayesDel_noAF
Pathogenic
0.19
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Benign
0.36
T
Eigen
Pathogenic
0.75
Eigen_PC
Pathogenic
0.72
FATHMM_MKL
Uncertain
0.88
D
LIST_S2
Benign
0.85
T
M_CAP
Benign
0.038
D
MetaRNN
Pathogenic
0.84
D
MetaSVM
Uncertain
-0.26
T
MutationAssessor
Uncertain
2.8
M
PhyloP100
4.5
PrimateAI
Uncertain
0.65
T
PROVEAN
Pathogenic
-6.5
D
REVEL
Uncertain
0.59
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.86
MVP
0.81
MPC
0.28
ClinPred
0.99
D
GERP RS
5.6
Varity_R
0.97
gMVP
0.80
Mutation Taster
=35/65
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
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

Other links and lift over

dbSNP: rs994713260; hg19: chr5-35628586; API