rs4977469

chr9-18930882-T-Cchr9-18930882-T-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_153707.4(SAXO1):c.422-1827A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000132 in 152,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.000013 (0 hom., cov: 32)
• Consequence: SAXO1 NM_153707.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.217

Genes affected

SAXO1 (HGNC:28566): (stabilizer of axonemal microtubules 1) Enables microtubule binding activity. Involved in several processes, including cold acclimation; positive regulation of cilium assembly; and protein stabilization. Located in microtubule cytoskeleton and sperm flagellum. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.88).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
SAXO1	NM_153707.4	c.422-1827A>G		intron_variant		ENST00000380534.9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
SAXO1	ENST00000380534.9	c.422-1827A>G		intron_variant		1	NM_153707.4	P3
SAXO1	ENST00000380530.1	c.219-1827A>G		intron_variant		2
SAXO1	ENST00000542071.2	c.227-1827A>G		intron_variant		3		A1
SAXO1	ENST00000649457.1	c.227-1827A>G		intron_variant				A1

Frequencies

GnomAD3 genomes AF: 0.0000132 AC: 2 AN: 152052 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

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

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0000132 AC: 2 AN: 152052 Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0 AN XY: 74260

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.88
Cadd	Benign	1.2
Dann	Benign	0.80

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

LitVar

Other links and lift over

dbSNP: rs4977469; hg19: chr9-18930880;