14-77899173-A-G

Position:

• chr14-77899173-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_020421.4(ADCK1):​c.656A>G​(p.Asn219Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,884 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: ADCK1 NM_020421.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.29

Genes affected

ADCK1 (HGNC:19038): (aarF domain containing kinase 1) Predicted to enable ATP binding activity and protein serine/threonine kinase activity. Involved in negative regulation of mitochondrial fusion and positive regulation of cristae formation. Predicted to be located in extracellular region. Predicted to be active in mitochondrial inner membrane. Predicted to be integral component of mitochondrial membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ADCK1	NM_020421.4	c.656A>G	p.Asn219Ser	missense_variant	6/11	ENST00000238561.10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ADCK1	ENST00000238561.10	c.656A>G	p.Asn219Ser	missense_variant	6/11	1	NM_020421.4	P1
ADCK1	ENST00000341211.5	c.452A>G	p.Asn151Ser	missense_variant	5/10	2
ADCK1	ENST00000557501.5	c.656A>G	p.Asn219Ser	missense_variant	6/7	3
ADCK1	ENST00000393639.8	c.497A>G	p.Asn166Ser	missense_variant, NMD_transcript_variant	5/9	2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461884 Hom.: 0 Cov.: 29 AF XY: 0.00000138 AC XY: 1 AN XY: 727244

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: 8.99e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 16, 2024

The c.656A>G (p.N219S) alteration is located in exon 6 (coding exon 5) of the ADCK1 gene. This alteration results from a A to G substitution at nucleotide position 656, causing the asparagine (N) at amino acid position 219 to be replaced by a serine (S). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Benign	-0.050	T
BayesDel_noAF	Benign	-0.31
CADD	Uncertain	26
DANN	Uncertain	1.0
Eigen	Uncertain	0.48
Eigen_PC	Uncertain	0.54
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Pathogenic	0.98	D;D;D
M_CAP	Benign	0.051	D
MetaRNN	Uncertain	0.49	T;T;T
MetaSVM	Benign	-0.91	T
MutationTaster	Benign	1.0	D;D
PrimateAI	Uncertain	0.53	T
PROVEAN	Pathogenic	-4.6	D;D;D
REVEL	Uncertain	0.31
Sift	Pathogenic	0.0	D;D;D
Sift4G	Benign	0.12	T;T;D
Polyphen		0.97	D;.;.
Vest4		0.83
MutPred		0.41		Loss of catalytic residue at N219 (P = 0.0304);Loss of catalytic residue at N219 (P = 0.0304);.;
MVP		0.40
MPC		0.46
ClinPred		1.0	D
GERP RS		5.4
gMVP		0.70

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: chr14-78365516;