Variant X-53940264-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PP2BP4

The NM_015107.3(PHF8):c.2902C>T(p.Arg968Cys) variant causes a missense change. The variant allele was found at a frequency of 0.00000334 in 1,199,336 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000089 ( 0 hom., 0 hem., cov: 22)

Exomes 𝑓: 0.0000028 ( 0 hom. 0 hem. )

Consequence

PHF8
NM_015107.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.21

Variant links:

Genes affected

PHF8 (HGNC:20672): (PHD finger protein 8) The protein encoded by this gene is a histone lysine demethylase that preferentially acts on histones in the monomethyl or dimethyl states. The encoded protein requires Fe(2+) ion, 2-oxoglutarate, and oxygen for its catalytic activity. The protein has an N-terminal PHD finger and a central Jumonji C domain. This gene is thought to function as a transcription activator. Defects in this gene are a cause of syndromic X-linked Siderius type intellectual disability (MRXSSD) and over-expression of this gene is associated with several forms of cancer. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2017]

PHF8 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant where missense usually causes diseases, PHF8

BP4

Computational evidence support a benign effect (MetaRNN=0.28147972).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PHF8	NM_015107.3 linkuse as main transcript	c.2902C>T	p.Arg968Cys	missense_variant	21/22	ENST00000338154.11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PHF8	ENST00000338154.11 linkuse as main transcript	c.2902C>T	p.Arg968Cys	missense_variant	21/22	1	NM_015107.3	P2	Q9UPP1-2

Frequencies

GnomAD3 genomes

AF:

0.00000894

AC:

AN:

111866

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34040

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000952

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000276

AC:

AN:

1087470

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

355300

show subpopulations

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:

0.0000191

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000239

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000894

AC:

AN:

111866

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34040

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.0000952

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.00000378

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 26, 2023

The c.2902C>T (p.R968C) alteration is located in exon 21 (coding exon 20) of the PHF8 gene. This alteration results from a C to T substitution at nucleotide position 2902, causing the arginine (R) at amino acid position 968 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.59

BayesDel_addAF

Benign

-0.12

BayesDel_noAF

Benign

-0.41

Cadd

Pathogenic

Dann

Pathogenic

1.0

FATHMM_MKL

Uncertain

0.88

LIST_S2

Uncertain

0.95

D;D;D

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.28

T;T;T

MetaSVM

Benign

-0.96

MutationTaster

Benign

1.0

D;D;D

PrimateAI

Pathogenic

0.79

PROVEAN

Uncertain

-3.2

D;D;D

REVEL

Benign

0.16

Sift

Benign

0.055

T;T;T

Sift4G

Uncertain

0.0080

D;D;T

Polyphen

1.0

.;D;.

Vest4

0.41

MutPred

0.22

.;Loss of MoRF binding (P = 0.0233);.;

MVP

0.45

MPC

3.2

ClinPred

0.99

GERP RS

5.1

Varity_R

0.30

gMVP

0.79

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over