rs753223762

Variant names:

• chr5-95658643-C-T
• rs753223762
• NM_031952.4:c.745G>A

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_031952.4(SPATA9):​c.745G>A​(p.Glu249Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,098 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: SPATA9 NM_031952.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 3.31
• Publications: 3 publications found

Genes affected

SPATA9 (HGNC:22988): (spermatogenesis associated 9) Predicted to be involved in cell differentiation and spermatogenesis. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

RFESD (HGNC:29587): (Rieske Fe-S domain containing) Predicted to enable 2 iron, 2 sulfur cluster binding activity and metal ion binding activity. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

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

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.32589447).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_031952.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SPATA9	NM_031952.4	MANE Select	c.745G>A	p.Glu249Lys	missense	Exon 5 of 5	NP_114158.2	A0A140VJV2
	SPATA9	NM_001349303.2		c.661G>A	p.Glu221Lys	missense	Exon 9 of 9	NP_001336232.1
	SPATA9	NR_125327.2		n.882G>A		non_coding_transcript_exon	Exon 5 of 9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SPATA9	ENST00000274432.13	TSL:1 MANE Select	c.745G>A	p.Glu249Lys	missense	Exon 5 of 5	ENSP00000274432.8	Q9BWV2-1
	SPATA9	ENST00000316087.12	TSL:1	n.745G>A		non_coding_transcript_exon	Exon 5 of 9	ENSP00000325491.8	Q9BWV2-1
	SPATA9	ENST00000489917.1	TSL:1	n.*440G>A		non_coding_transcript_exon	Exon 6 of 6	ENSP00000420883.1	Q9BWV2-3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00000800 AC: 2 AN: 250072 AF XY: 0.00

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.000109

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461098 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 726830

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33426

American (AMR) AF: 0.00 AC: 0 AN: 44648

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26078

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39676

South Asian (SAS) AF: 0.00 AC: 0 AN: 86160

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53366

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5760

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111640

Other (OTH) AF: 0.00 AC: 0 AN: 60344

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

ExAC AF: 0.00000824 AC: 1

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.13
BayesDel_addAF	Uncertain	0.092	D
BayesDel_noAF	Uncertain	0.12
CADD	Uncertain	24
DANN	Pathogenic	1.0
DEOGEN2	Benign	0.054	T
Eigen	Uncertain	0.56
Eigen_PC	Uncertain	0.57
FATHMM_MKL	Uncertain	0.80	D
LIST_S2	Benign	0.75	T
M_CAP	Benign	0.019	T
MetaRNN	Benign	0.33	T
MetaSVM	Benign	-0.67	T
MutationAssessor	Benign	2.0	M
PhyloP100		3.3
PrimateAI	Uncertain	0.52	T
PROVEAN	Uncertain	-2.9	D
REVEL	Benign	0.22
Sift	Pathogenic	0.0	D
Sift4G	Pathogenic	0.0	D
Polyphen		1.0	D
Vest4		0.45
MutPred		0.27		Gain of ubiquitination at E249 (P = 0.0075)
MVP		0.33
MPC		0.22
ClinPred		0.96	D
GERP RS		5.1
Varity_R		0.71
gMVP		0.34
Mutation Taster		=99/1	polymorphism

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

Other links and lift over

dbSNP: rs753223762; hg19: chr5-94994347;