chr3-113305102-A-G

Variant names:

• chr3-113305102-A-G
• rs373397037
• NM_001164496.2:c.4809T>C

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2 BP4_Strong BP7

The NM_001164496.2(CFAP44):​c.4809T>C​(p.Ala1603Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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: not found (cov: 33)
• Consequence: CFAP44 NM_001164496.2 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.143

Genes affected

CFAP44 (HGNC:25631): (cilia and flagella associated protein 44) Enables peptidase activity. Involved in sperm axoneme assembly. Acts upstream of or within microtubule cytoskeleton organization. Predicted to be located in cytoplasm; cytoskeleton; and motile cilium. Implicated in spermatogenic failure 20. [provided by Alliance of Genome Resources, Apr 2022]

SPICE1-CFAP44 (HGNC:58084):

ACMG classification

Verdict is Likely_benign. Variant got -3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.55).
• BP7: Synonymous conserved (PhyloP=-0.143 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CFAP44	NM_001164496.2	c.4809T>C	p.Ala1603Ala	synonymous_variant	Exon 31 of 35	ENST00000393845.9	NP_001157968.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CFAP44	ENST00000393845.9	c.4809T>C	p.Ala1603Ala	synonymous_variant	Exon 31 of 35	5	NM_001164496.2	ENSP00000377428.2
CFAP44	ENST00000461734.1	n.669T>C		non_coding_transcript_exon_variant	Exon 5 of 10	2		ENSP00000418795.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD3 exomes AF: 0.00000694 AC: 1 AN: 144058 Hom.: 0 AF XY: 0.0000130 AC XY: 1 AN XY: 76906

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.0000941

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.55
CADD	Benign	7.4
DANN	Benign	0.59

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs373397037; hg19: chr3-113023949;