rs1555353410

Positions:

• chr14-58270970-TAAG-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PM4_Supporting PP5

The NM_002788.4(PSMA3):​c.697_699del​(p.Arg233del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: PSMA3 NM_002788.4 inframe_deletion
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 3.28

Genes affected

PSMA3 (HGNC:9532): (proteasome 20S subunit alpha 3) The proteasome is a multicatalytic proteinase complex with a highly ordered ring-shaped 20S core structure. The core structure is composed of 4 rings of 28 non-identical subunits; 2 rings are composed of 7 alpha subunits and 2 rings are composed of 7 beta subunits. Proteasomes are distributed throughout eukaryotic cells at a high concentration and cleave peptides in an ATP/ubiquitin-dependent process in a non-lysosomal pathway. An essential function of a modified proteasome, the immunoproteasome, is the processing of class I MHC peptides. This gene encodes a member of the peptidase T1A family, that is a 20S core alpha subunit. Two alternative transcripts encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

PSMA3-AS1 (HGNC:26445): (PSMA3 antisense RNA 1)

ARMH4 (HGNC:19846): (armadillo like helical domain containing 4) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PM4: Nonframeshift variant in NON repetitive region in NM_002788.4. Strenght limited to Supporting due to length of the change: 1aa.
• PP5: Variant 14-58270970-TAAG-T is Pathogenic according to our data. Variant chr14-58270970-TAAG-T is described in ClinVar as [Pathogenic]. Clinvar id is 548993.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PSMA3	NM_002788.4	c.697_699del	p.Arg233del	inframe_deletion	10/11	ENST00000216455.9
PSMA3-AS1	NR_029435.1	n.413+3006_413+3008del		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PSMA3	ENST00000216455.9	c.697_699del	p.Arg233del	inframe_deletion	10/11	1	NM_002788.4	P4
PSMA3-AS1	ENST00000554360.5	n.446+3006_446+3008del		intron_variant, non_coding_transcript_variant		1

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

PROTEASOME-ASSOCIATED AUTOINFLAMMATORY SYNDROME 1, DIGENIC Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

Mar 01, 2012

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Computational scores

Source: dbNSFP v4.3

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs1555353410; hg19: chr14-58737688;