chr20-46689290-C-T

Position:

• chr20-46689290-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PM1 PM2 PP3_Strong PP5

The NM_033550.4(TP53RK):​c.125G>A​(p.Gly42Asp) variant causes a missense change. The variant allele was found at a frequency of 0.000000718 in 1,392,360 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 11/19 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency:
  • Genomes: not found (cov: 33)
  • Exomes 𝑓: 7.2e-7 (0 hom.)
• Consequence: TP53RK NM_033550.4 missense
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 6.98

Genes affected

TP53RK (HGNC:16197): (TP53 regulating kinase) Enables p53 binding activity and protein serine/threonine kinase activity. Involved in protein phosphorylation. Located in cytoplasm and nucleus. Part of EKC/KEOPS complex. Implicated in Galloway-Mowat syndrome 4. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_pathogenic. Variant got 9 ACMG points.

• PM1: In a domain Protein kinase (size 220) in uniprot entity PRPK_HUMAN there are 6 pathogenic changes around while only 2 benign (75%) in NM_033550.4
• PM2: Very rare variant in population databases, with high coverage
• PP3: MetaRNN computational evidence supports a deleterious effect, 0.947
• PP5: Variant 20-46689290-C-T is Pathogenic according to our data. Variant chr20-46689290-C-T is described in ClinVar as [Pathogenic]. Clinvar id is 444882.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chr20-46689290-C-T is described in Lovd as [Likely_pathogenic].

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TP53RK	NM_033550.4	c.125G>A	p.Gly42Asp	missense_variant	1/2	ENST00000372114.4	NP_291028.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TP53RK	ENST00000372114.4	c.125G>A	p.Gly42Asp	missense_variant	1/2	1	NM_033550.4	ENSP00000361186	P1
TP53RK	ENST00000372102.3	c.125G>A	p.Gly42Asp	missense_variant	1/2	1		ENSP00000361174

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 7.18e-7 AC: 1 AN: 1392360 Hom.: 0 Cov.: 31 AF XY: 0.00000145 AC XY: 1 AN XY: 688320

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: 9.23e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 33

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Galloway-Mowat syndrome 4 Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Oct 27, 2017

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Pathogenic	0.96
BayesDel_addAF	Pathogenic	0.31	D
BayesDel_noAF	Pathogenic	0.20
CADD	Pathogenic	33
DANN	Uncertain	1.0
DEOGEN2	Benign	0.33	T;D
Eigen	Pathogenic	0.96
Eigen_PC	Pathogenic	0.84
FATHMM_MKL	Uncertain	0.93	D
LIST_S2	Pathogenic	0.98	D;D
M_CAP	Pathogenic	0.56	D
MetaRNN	Pathogenic	0.95	D;D
MetaSVM	Uncertain	0.13	D
MutationAssessor	Pathogenic	4.3	H;.
MutationTaster	Benign	1.0	D;D
PrimateAI	Pathogenic	0.91	D
PROVEAN	Pathogenic	-6.6	D;D
REVEL	Uncertain	0.59
Sift	Pathogenic	0.0	D;D
Sift4G	Pathogenic	0.0	D;D
Polyphen		1.0	D;D
Vest4		0.63
MutPred		0.88		Gain of relative solvent accessibility (P = 0.0479);Gain of relative solvent accessibility (P = 0.0479);
MVP		0.74
MPC		1.2
ClinPred		1.0	D
GERP RS		4.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.6
Varity_R		0.94

Splicing

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

Publications

LitVar

Other links and lift over

dbSNP: rs773814837; hg19: chr20-45317929;