21-44330207-G-T

Variant names:

• chr21-44330207-G-T
• NM_004928.3:c.762C>A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 4P and 4B. PM1 PM2 BP4_Strong

The NM_004928.3(CFAP410):​c.762C>A​(p.His254Gln) variant causes a missense 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. 13/19 in silico tools predict 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)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: CFAP410 NM_004928.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.552

Genes affected

CFAP410 (HGNC:1260): (cilia and flagella associated protein 410) Four alternatively spliced transcript variants encoding four different isoforms have been found for this nuclear gene. All isoforms contain leucine-rich repeats. Three of these isoforms are mitochondrial proteins and one of them lacks the target peptide, so is not located in mitochondrion. This gene is down-regulated in Down syndrome (DS) brain, which may represent mitochondrial dysfunction in DS patients. [provided by RefSeq, Sep 2012]

ENSG00000241728 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM1: In a chain Cilia- and flagella-associated protein 410 (size 255) in uniprot entity CF410_HUMAN there are 22 pathogenic changes around while only 9 benign (71%) in NM_004928.3
• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.03922388).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CFAP410	NM_004928.3	c.762C>A	p.His254Gln	missense_variant	Exon 7 of 7	ENST00000339818.9	NP_004919.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CFAP410	ENST00000339818.9	c.762C>A	p.His254Gln	missense_variant	Exon 7 of 7	1	NM_004928.3	ENSP00000344566.4

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1417438 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 702176

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

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.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.077
BayesDel_addAF	Benign	-0.32	T
BayesDel_noAF	Benign	-0.70
CADD	Benign	4.7
DANN	Benign	0.78
DEOGEN2	Benign	0.0063	T;.;.
Eigen	Benign	-1.2
Eigen_PC	Benign	-1.2
FATHMM_MKL	Benign	0.088	N
LIST_S2	Benign	0.32	T;T;T
M_CAP	Benign	0.0061	T
MetaRNN	Benign	0.039	T;T;T
MetaSVM	Benign	-1.0	T
PROVEAN	Benign	-0.13	N;N;N
REVEL	Benign	0.016
Sift	Benign	0.086	T;T;T
Sift4G	Benign	0.26	T;T;T
Polyphen		0.0	B;.;.
Vest4		0.11
MutPred		0.10		Gain of helix (P = 0.0854);.;.;
MVP		0.25
MPC		0.29
ClinPred		0.093	T
GERP RS		-0.93
Varity_R		0.051
gMVP		0.026

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr21-45750090;