4-120695236-G-T

Variant names:

• chr4-120695236-G-T
• rs387907110
• NM_018699.4:c.1768C>A

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_018699.4(PRDM5):​c.1768C>A​(p.Arg590Arg) variant causes a synonymous change. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. R590R) has been classified as Likely benign.

• Frequency: Genomes: not found (cov: 32)
• Consequence: PRDM5 NM_018699.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 6.93
• Publications: 6 publications found

Genes affected

PRDM5 (HGNC:9349): (PR/SET domain 5) The protein encoded by this gene is a transcription factor of the PR-domain protein family. It contains a PR-domain and multiple zinc finger motifs. Transcription factors of the PR-domain family are known to be involved in cell differentiation and tumorigenesis. [provided by RefSeq, Jul 2008]

PRDM5 Gene-Disease associations (from GenCC):

• brittle cornea syndrome 2

  Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae), Genomics England PanelApp, PanelApp Australia
• brittle cornea syndrome

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
• aortic disorder

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
• Axenfeld-Rieger syndrome

  Inheritance: AD Classification: LIMITED Submitted by: G2P

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.4).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRDM5	NM_018699.4	c.1768C>A	p.Arg590Arg	synonymous_variant	Exon 16 of 16	ENST00000264808.8	NP_061169.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRDM5	ENST00000264808.8	c.1768C>A	p.Arg590Arg	synonymous_variant	Exon 16 of 16	1	NM_018699.4	ENSP00000264808.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD2 exomes AF: 0.00 AC: 0 AN: 250794 AF XY: 0.00

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.40
CADD	Benign	12
DANN	Benign	0.86
PhyloP100		6.9

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.19		Details are displayed if max score is > 0.2

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

Other links and lift over

dbSNP: rs387907110; hg19: chr4-121616391; COSMIC: COSV99310613;