5-134970073-G-A

Variant names:

• chr5-134970073-G-A
• rs574551964
• NM_178019.3:c.233G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_178019.3(CATSPER3):​c.233G>A​(p.Arg78His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000136 in 1,613,950 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.000033 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000012 (0 hom.)
• Consequence: CATSPER3 NM_178019.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -1.78
• Publications: 1 publications found

Genes affected

CATSPER3 (HGNC:20819): (cation channel sperm associated 3) Predicted to enable voltage-gated calcium channel activity. Predicted to be involved in flagellated sperm motility; sodium ion transport; and sperm capacitation. Predicted to be located in plasma membrane. Predicted to be part of CatSper complex. Predicted to be active in acrosomal vesicle. [provided by Alliance of Genome Resources, Apr 2022]

PCBD2 (HGNC:24474): (pterin-4 alpha-carbinolamine dehydratase 2) Predicted to enable 4-alpha-hydroxytetrahydrobiopterin dehydratase activity. Involved in positive regulation of transcription, DNA-templated. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.036147684).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_178019.3. 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
	CATSPER3	NM_178019.3	MANE Select	c.233G>A	p.Arg78His	missense	Exon 2 of 8	NP_821138.1	Q86XQ3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CATSPER3	ENST00000282611.8	TSL:1 MANE Select	c.233G>A	p.Arg78His	missense	Exon 2 of 8	ENSP00000282611.6	Q86XQ3
	PCBD2	ENST00000504352.1	TSL:5	n.*152G>A		non_coding_transcript_exon	Exon 5 of 8	ENSP00000426161.1	H0YA52
	CATSPER3	ENST00000511235.1	TSL:4	n.318G>A		non_coding_transcript_exon	Exon 2 of 3

Frequencies

GnomAD3 genomes AF: 0.0000329 AC: 5 AN: 152012 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000967

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000655

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000159 AC: 4 AN: 251430 AF XY: 0.0000221

Gnomad AFR exome AF: 0.0000615

Gnomad AMR exome AF: 0.0000289

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000176

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000116 AC: 17 AN: 1461820 Hom.: 0 Cov.: 31 AF XY: 0.0000138 AC XY: 10 AN XY: 727216

African (AFR) AF: 0.0000597 AC: 2 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39690

South Asian (SAS) AF: 0.00 AC: 0 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53412

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000135 AC: 15 AN: 1111960

Other (OTH) AF: 0.00 AC: 0 AN: 60394

GnomAD4 genome AF: 0.0000329 AC: 5 AN: 152130 Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2 AN XY: 74338

African (AFR) AF: 0.0000964 AC: 4 AN: 41500

American (AMR) AF: 0.0000654 AC: 1 AN: 15282

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5180

South Asian (SAS) AF: 0.00 AC: 0 AN: 4812

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10568

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67998

Other (OTH) AF: 0.00 AC: 0 AN: 2114

Alfa AF: 0.0000986 Hom.: 0

ExAC AF: 0.0000247 AC: 3

Asia WGS AF: 0.000289 AC: 1 AN: 3478

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	0.076
BayesDel_addAF	Benign	-0.18	T
BayesDel_noAF	Benign	-0.32
CADD	Benign	0.18
DANN	Benign	0.86
DEOGEN2	Benign	0.35	T
Eigen	Benign	-1.4
Eigen_PC	Benign	-1.5
FATHMM_MKL	Benign	0.00097	N
LIST_S2	Benign	0.59	T
M_CAP	Benign	0.048	D
MetaRNN	Benign	0.036	T
MetaSVM	Uncertain	-0.048	T
MutationAssessor	Benign	1.1	L
PhyloP100		-1.8
PrimateAI	Benign	0.27	T
PROVEAN	Benign	-0.71	N
REVEL	Benign	0.29
Sift	Benign	0.20	T
Sift4G	Benign	0.28	T
Polyphen		0.0060	B
Vest4		0.14
MVP		0.34
MPC		0.12
ClinPred		0.054	T
GERP RS		-11
Varity_R		0.037
gMVP		0.12
Mutation Taster		=97/3	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: rs574551964; hg19: chr5-134305763;