chr20-54227260-G-A

Variant names:

• chr20-54227260-G-A
• rs2585417
• ENST00000441080.2:n.*63-693G>A

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The ENST00000441080.2(PFDN4):​n.*63-693G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.558 in 151,858 control chromosomes in the GnomAD database, including 24,549 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: 𝑓 0.56 (24549 hom., cov: 31)
• Consequence: PFDN4 ENST00000441080.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0710
• Publications: 6 publications found

Genes affected

PFDN4 (HGNC:8868): (prefoldin subunit 4) This gene encodes a member of the prefoldin beta subunit family. The encoded protein is one of six subunits of prefoldin, a molecular chaperone complex that binds and stabilizes newly synthesized polypeptides, thereby allowing them to fold correctly. The complex, consisting of two alpha and four beta subunits, forms a double beta barrel assembly with six protruding coiled-coils. [provided by RefSeq, Jul 2008]

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.91).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.718 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000441080.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PFDN4	ENST00000441080.2	TSL:5	n.*63-693G>A		intron	N/A	ENSP00000432441.1

Frequencies

GnomAD3 genomes AF: 0.558 AC: 84624 AN: 151740 Hom.: 24502 Cov.: 31

Gnomad AFR AF: 0.724

Gnomad AMI AF: 0.397

Gnomad AMR AF: 0.433

Gnomad ASJ AF: 0.456

Gnomad EAS AF: 0.330

Gnomad SAS AF: 0.422

Gnomad FIN AF: 0.559

Gnomad MID AF: 0.494

Gnomad NFE AF: 0.520

Gnomad OTH AF: 0.527

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

GnomAD4 genome AF: 0.558 AC: 84720 AN: 151858 Hom.: 24549 Cov.: 31 AF XY: 0.554 AC XY: 41101 AN XY: 74208

African (AFR) AF: 0.725 AC: 29998 AN: 41384

American (AMR) AF: 0.432 AC: 6602 AN: 15266

Ashkenazi Jewish (ASJ) AF: 0.456 AC: 1582 AN: 3470

East Asian (EAS) AF: 0.329 AC: 1700 AN: 5172

South Asian (SAS) AF: 0.422 AC: 2033 AN: 4812

European-Finnish (FIN) AF: 0.559 AC: 5882 AN: 10516

Middle Eastern (MID) AF: 0.507 AC: 149 AN: 294

European-Non Finnish (NFE) AF: 0.520 AC: 35296 AN: 67922

Other (OTH) AF: 0.529 AC: 1117 AN: 2112

Alfa AF: 0.532 Hom.: 34999

Bravo AF: 0.554

Asia WGS AF: 0.419 AC: 1456 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	2.0
DANN	Benign	0.67
PhyloP100		-0.071

Splicing

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

Other links and lift over

dbSNP: rs2585417; hg19: chr20-52843799;