rs8065903

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_022827.4(SPATA20):​c.1874A>G​(p.Lys625Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.76 in 1,613,474 control chromosomes in the GnomAD database, including 470,047 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.81 ( 50849 hom., cov: 32)
Exomes 𝑓: 0.75 ( 419198 hom. )

Consequence

SPATA20
NM_022827.4 missense

Scores

17

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.325

Publications

36 publications found
Variant links:
Genes affected
SPATA20 (HGNC:26125): (spermatogenesis associated 20) Predicted to be involved in carbohydrate metabolic process; cell differentiation; and spermatogenesis. Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=5.4388806E-7).
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.945 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022827.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPATA20
NM_022827.4
MANE Select
c.1874A>Gp.Lys625Arg
missense
Exon 14 of 17NP_073738.2
SPATA20
NM_001258372.2
c.1826A>Gp.Lys609Arg
missense
Exon 13 of 16NP_001245301.1
SPATA20
NM_001258373.2
c.1694A>Gp.Lys565Arg
missense
Exon 14 of 17NP_001245302.1

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPATA20
ENST00000006658.11
TSL:1 MANE Select
c.1874A>Gp.Lys625Arg
missense
Exon 14 of 17ENSP00000006658.6
SPATA20
ENST00000356488.8
TSL:1
c.1826A>Gp.Lys609Arg
missense
Exon 13 of 16ENSP00000348878.4
SPATA20
ENST00000503127.5
TSL:1
n.*1797A>G
non_coding_transcript_exon
Exon 14 of 17ENSP00000426228.1

Frequencies

GnomAD3 genomes
AF:
0.811
AC:
123315
AN:
152042
Hom.:
50788
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.947
Gnomad AMI
AF:
0.792
Gnomad AMR
AF:
0.826
Gnomad ASJ
AF:
0.852
Gnomad EAS
AF:
0.968
Gnomad SAS
AF:
0.732
Gnomad FIN
AF:
0.713
Gnomad MID
AF:
0.715
Gnomad NFE
AF:
0.733
Gnomad OTH
AF:
0.812
GnomAD2 exomes
AF:
0.788
AC:
196441
AN:
249442
AF XY:
0.778
show subpopulations
Gnomad AFR exome
AF:
0.952
Gnomad AMR exome
AF:
0.837
Gnomad ASJ exome
AF:
0.861
Gnomad EAS exome
AF:
0.967
Gnomad FIN exome
AF:
0.725
Gnomad NFE exome
AF:
0.738
Gnomad OTH exome
AF:
0.778
GnomAD4 exome
AF:
0.755
AC:
1103282
AN:
1461314
Hom.:
419198
Cov.:
59
AF XY:
0.753
AC XY:
547217
AN XY:
726954
show subpopulations
African (AFR)
AF:
0.954
AC:
31956
AN:
33480
American (AMR)
AF:
0.833
AC:
37218
AN:
44694
Ashkenazi Jewish (ASJ)
AF:
0.858
AC:
22420
AN:
26134
East Asian (EAS)
AF:
0.969
AC:
38478
AN:
39692
South Asian (SAS)
AF:
0.739
AC:
63719
AN:
86240
European-Finnish (FIN)
AF:
0.726
AC:
38561
AN:
53094
Middle Eastern (MID)
AF:
0.782
AC:
4513
AN:
5768
European-Non Finnish (NFE)
AF:
0.737
AC:
819382
AN:
1111836
Other (OTH)
AF:
0.779
AC:
47035
AN:
60376
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.467
Heterozygous variant carriers
0
15241
30481
45722
60962
76203
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
20264
40528
60792
81056
101320
<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
AF:
0.811
AC:
123434
AN:
152160
Hom.:
50849
Cov.:
32
AF XY:
0.810
AC XY:
60278
AN XY:
74378
show subpopulations
African (AFR)
AF:
0.947
AC:
39329
AN:
41550
American (AMR)
AF:
0.826
AC:
12641
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.852
AC:
2958
AN:
3472
East Asian (EAS)
AF:
0.968
AC:
4998
AN:
5164
South Asian (SAS)
AF:
0.731
AC:
3527
AN:
4826
European-Finnish (FIN)
AF:
0.713
AC:
7526
AN:
10560
Middle Eastern (MID)
AF:
0.721
AC:
212
AN:
294
European-Non Finnish (NFE)
AF:
0.733
AC:
49803
AN:
67968
Other (OTH)
AF:
0.813
AC:
1718
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.506
Heterozygous variant carriers
0
1150
2300
3449
4599
5749
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
860
1720
2580
3440
4300
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.768
Hom.:
175017
Bravo
AF:
0.830
TwinsUK
AF:
0.734
AC:
2721
ALSPAC
AF:
0.751
AC:
2895
ESP6500AA
AF:
0.947
AC:
4173
ESP6500EA
AF:
0.742
AC:
6383
ExAC
AF:
0.785
AC:
95029
Asia WGS
AF:
0.870
AC:
3024
AN:
3478
EpiCase
AF:
0.746
EpiControl
AF:
0.740

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.059
BayesDel_addAF
Benign
-0.81
T
BayesDel_noAF
Benign
-0.79
CADD
Benign
14
DANN
Benign
0.73
DEOGEN2
Benign
0.056
T
Eigen
Benign
-0.74
Eigen_PC
Benign
-0.56
FATHMM_MKL
Benign
0.41
N
LIST_S2
Benign
0.19
T
MetaRNN
Benign
5.4e-7
T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
0.14
N
PhyloP100
0.33
PrimateAI
Benign
0.31
T
PROVEAN
Benign
-0.36
N
REVEL
Benign
0.021
Sift
Benign
1.0
T
Sift4G
Benign
0.39
T
Polyphen
0.0
B
Vest4
0.0090
MPC
0.16
ClinPred
0.0018
T
GERP RS
1.6
Varity_R
0.023
gMVP
0.15
Mutation Taster
=99/1
polymorphism (auto)

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

Other links and lift over

dbSNP: rs8065903; hg19: chr17-48629458; COSMIC: COSV50066051; COSMIC: COSV50066051; API