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GeneBe

X-53940207-C-T

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP2BP4_Strong

The NM_015107.3(PHF8):c.2959G>A(p.Gly987Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000929 in 1,184,263 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 3 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict 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: 0.0000093 ( 0 hom. 3 hem. )

Consequence

PHF8
NM_015107.3 missense

Scores

2
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.69
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]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant where missense usually causes diseases, PHF8
BP4
Computational evidence support a benign effect (MetaRNN=0.06089723).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PHF8NM_015107.3 linkuse as main transcriptc.2959G>A p.Gly987Ser missense_variant 21/22 ENST00000338154.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PHF8ENST00000338154.11 linkuse as main transcriptc.2959G>A p.Gly987Ser missense_variant 21/221 NM_015107.3 P2Q9UPP1-2

Frequencies

GnomAD3 genomes
AF:
0.00000894
AC:
1
AN:
111894
Hom.:
0
Cov.:
22
AF XY:
0.00
AC XY:
0
AN XY:
34088
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.0000188
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000933
AC:
10
AN:
1072369
Hom.:
0
Cov.:
31
AF XY:
0.00000860
AC XY:
3
AN XY:
348931
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000965
Gnomad4 OTH exome
AF:
0.0000443
GnomAD4 genome
AF:
0.00000894
AC:
1
AN:
111894
Hom.:
0
Cov.:
22
AF XY:
0.00
AC XY:
0
AN XY:
34088
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000188
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

Syndromic X-linked intellectual disability Siderius type Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityDec 07, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.088
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.74
Cadd
Benign
18
Dann
Benign
0.50
FATHMM_MKL
Benign
0.72
D
LIST_S2
Uncertain
0.87
D;D;D
M_CAP
Benign
0.0044
T
MetaRNN
Benign
0.061
T;T;T
MetaSVM
Benign
-0.94
T
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
0.59
N;N;N
REVEL
Benign
0.072
Sift
Benign
0.81
T;T;T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0090
.;B;.
Vest4
0.10
MutPred
0.16
.;Gain of phosphorylation at G1023 (P = 0.0563);.;
MVP
0.46
MPC
1.4
ClinPred
0.30
T
GERP RS
4.2
Varity_R
0.12
gMVP
0.19

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.070
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.

Other links and lift over

dbSNP: rs1176242486; hg19: chrX-53966640; API