PRIMA1 p.Thr33Thr

Variant names:

• chr14-93779305-G-G
• NM_178013.4:c.

Your query was ambiguous. Multiple possible variants found:

• chr14-93779306--
• chr14-93779306-C-A
• chr14-93779306-C-G
• chr14-93779306-C-T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_178013.4(PRIMA1):​c. variant causes a exon region change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 29)
• Consequence: PRIMA1 NM_178013.4 exon_region
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -1.05
• Publications: 0 publications found

Genes affected

PRIMA1 (HGNC:18319): (proline rich membrane anchor 1) The product of this gene functions to organize acetylcholinesterase (AChE) into tetramers, and to anchor AChE at neural cell membranes. [provided by RefSeq, Nov 2008]

PRIMA1 Gene-Disease associations (from GenCC):

• epilepsy

  Inheritance: AR Classification: LIMITED Submitted by: ClinGen

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

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

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_178013.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PRIMA1	NM_178013.4	MANE Select	c.		exon_region	Exon 3 of 5	NP_821092.1	Q86XR5-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PRIMA1	ENST00000393140.6	TSL:1 MANE Select	c.		exon_region	Exon 3 of 5	ENSP00000376848.1	Q86XR5-1
	PRIMA1	ENST00000393143.5	TSL:1	c.		exon_region	Exon 2 of 4	ENSP00000376851.1	Q86XR5-1
	PRIMA1	ENST00000316227.3	TSL:1	c.		exon_region	Exon 2 of 5	ENSP00000320948.3	Q86XR5-2

Frequencies

GnomAD3 genomes Cov.: 29

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 29

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		-1.0

Splicing

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

hg19: chr14-94245651;