2-219003989-C-A

Position:

• chr2-219003989-C-A

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1 PM2 PP5_Moderate

The NM_194302.4(CFAP65):​c.5518G>T​(p.Glu1840Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,704 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★). Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: CFAP65 NM_194302.4 stop_gained
• Clinical Significance: Likely pathogenic criteria provided, single submitter P:1
• Conservation: PhyloP100: 2.61

Genes affected

CFAP65 (HGNC:25325): (cilia and flagella associated protein 65) The protein encoded by this gene has putative coiled-coil domains and may be a transmembrane protein. The chicken ortholog of this gene is involved in the Rose-comb mutation, which is a large chromosome inversion, resulting in altered comb morphology and defects in sperm motility. [provided by RefSeq, Aug 2016]

(HGNC:):

ACMG classification

Verdict is Pathogenic. Variant got 12 ACMG points.

• PVS1: Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 2-219003989-C-A is Pathogenic according to our data. Variant chr2-219003989-C-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 3256948.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CFAP65	NM_194302.4	c.5518G>T	p.Glu1840Ter	stop_gained	33/35	ENST00000341552.10	NP_919278.2
LOC100129175	NR_046086.1	n.86+1689C>A		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CFAP65	ENST00000341552.10	c.5518G>T	p.Glu1840Ter	stop_gained	33/35	5	NM_194302.4	ENSP00000340776	A2
	ENST00000441450.1	n.86+1689C>A		intron_variant, non_coding_transcript_variant		2
CFAP65	ENST00000453220.5	c.5518G>T	p.Glu1840Ter	stop_gained	31/33	5		ENSP00000409117	A2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461704 Hom.: 0 Cov.: 32 AF XY: 0.00000138 AC XY: 1 AN XY: 727134

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.0000224

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Likely pathogenic

Submissions summary: Pathogenic:1

Revision: criteria provided, single submitter

Submissions by phenotype

Susceptibility to severe COVID-19 Pathogenic:1

Likely pathogenic, criteria provided, single submitter

research

Molecular Medicine Center, Medical University of Sofia

Jul 22, 2024

Novel (unreported in gnomAD or dbSNP until April 2024) variant found in severely infected COVID-19 Bulgarian patients in a research study. Variant is classified as likely pathogenic according to the ACMG criteria: PM2,PVS1. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.60	D
BayesDel_noAF	Pathogenic	0.62
CADD	Pathogenic	40
DANN	Uncertain	1.0
Eigen	Pathogenic	0.85
Eigen_PC	Uncertain	0.64
FATHMM_MKL	Uncertain	0.90	D
MutationTaster	Benign	1.0	A;A;A
Vest4		0.18
GERP RS		4.4

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.030		Details are displayed if max score is > 0.2

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

Publications

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-219868711;