chr17-28574760-G-A

Position:

• chr17-28574760-G-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2 PP3_Strong

The NM_005165.3(ALDOC):​c.476C>T​(p.Pro159Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000192 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.000019 (0 hom.)
• Consequence: ALDOC NM_005165.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.99

Genes affected

ALDOC (HGNC:418): (aldolase, fructose-bisphosphate C) This gene encodes a member of the class I fructose-biphosphate aldolase gene family. Expressed specifically in the hippocampus and Purkinje cells of the brain, the encoded protein is a glycolytic enzyme that catalyzes the reversible aldol cleavage of fructose-1,6-biphosphate and fructose 1-phosphate to dihydroxyacetone phosphate and either glyceraldehyde-3-phosphate or glyceraldehyde, respectively. [provided by RefSeq, Jul 2008]

RSKR (HGNC:26314): (ribosomal protein S6 kinase related) Predicted to enable protein kinase activity. Predicted to be involved in protein phosphorylation. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.979

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ALDOC	NM_005165.3	c.476C>T	p.Pro159Leu	missense_variant	5/9	ENST00000226253.9
ALDOC	XM_005257949.3	c.476C>T	p.Pro159Leu	missense_variant	6/10
ALDOC	XM_011524556.3	c.476C>T	p.Pro159Leu	missense_variant	6/10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ALDOC	ENST00000226253.9	c.476C>T	p.Pro159Leu	missense_variant	5/9	1	NM_005165.3	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.0000192 AC: 28 AN: 1461888 Hom.: 0 Cov.: 32 AF XY: 0.0000165 AC XY: 12 AN XY: 727246

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: 0.0000252

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

Alfa AF: 0.0000468 Hom.: 0

EpiCase AF: 0.0000545

EpiControl AF: 0.00

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

Nov 02, 2023

The c.476C>T (p.P159L) alteration is located in exon 5 (coding exon 4) of the ALDOC gene. This alteration results from a C to T substitution at nucleotide position 476, causing the proline (P) at amino acid position 159 to be replaced by a leucine (L). 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
AlphaMissense	Pathogenic	0.98
BayesDel_addAF	Pathogenic	0.56	D
BayesDel_noAF	Pathogenic	0.56
CADD	Pathogenic	31
DANN	Pathogenic	1.0
DEOGEN2	Pathogenic	0.91	D;D;D;D;D;.
Eigen	Pathogenic	1.1
Eigen_PC	Pathogenic	1.1
FATHMM_MKL	Pathogenic	0.97	D
LIST_S2	Pathogenic	0.99	D;.;D;D;D;D
M_CAP	Pathogenic	0.54	D
MetaRNN	Pathogenic	0.98	D;D;D;D;D;D
MetaSVM	Pathogenic	1.1	D
MutationTaster	Benign	1.0	D;D;D
PrimateAI	Uncertain	0.77	T
PROVEAN	Pathogenic	-9.6	D;D;D;.;.;.
REVEL	Pathogenic	0.94
Sift	Pathogenic	0.0	D;D;D;.;.;.
Sift4G	Pathogenic	0.0010	D;D;D;D;.;D
Polyphen		1.0	D;D;D;.;.;.
Vest4		0.97
MutPred		0.86		Gain of catalytic residue at P159 (P = 0.0207);Gain of catalytic residue at P159 (P = 0.0207);Gain of catalytic residue at P159 (P = 0.0207);Gain of catalytic residue at P159 (P = 0.0207);Gain of catalytic residue at P159 (P = 0.0207);.;
MVP		0.94
MPC		1.3
ClinPred		1.0	D
GERP RS		5.8
RBP_binding_hub_radar		1.0
RBP_regulation_power_radar		2.9
Varity_R		0.98
gMVP		0.94

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: rs2070466746; hg19: chr17-26901778;