Genetic Variant PHF20:p.His386Tyr (chr20-35871703-C-T) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_016436.5(PHF20):c.1156C>T(p.His386Tyr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000756 in 1,613,770 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000079 ( 0 hom. )

Consequence

PHF20
NM_016436.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.10

Publications

2 publications found

Variant links:

Genes affected

PHF20 (HGNC:16098): (PHD finger protein 20) Predicted to enable DNA binding activity and metal ion binding activity. Involved in histone H4-K16 acetylation; histone H4-K5 acetylation; and histone H4-K8 acetylation. Located in cytosol; nuclear membrane; and nucleoplasm. Part of MLL1 complex and histone acetyltransferase complex. [provided by Alliance of Genome Resources, Apr 2022]

PHF20 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.015044063).

BS2

High AC in GnomAd4 at 7 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016436.5. 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
	PHF20	NM_016436.5	MANE Select	c.1156C>T	p.His386Tyr	missense	Exon 9 of 18	NP_057520.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
PHF20	ENST00000374012.8	TSL:1 MANE Select	c.1156C>T	p.His386Tyr	missense	Exon 9 of 18	ENSP00000363124.3	Q9BVI0-1
PHF20	ENST00000374000.8	TSL:1	c.1156C>T	p.His386Tyr	missense	Exon 10 of 12	ENSP00000363112.4	Q5JXL1
PHF20	ENST00000481202.5	TSL:1	n.1162C>T		non_coding_transcript_exon	Exon 8 of 10

Frequencies

GnomAD3 genomes

AF:

0.0000460

AC:

AN:

152122

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000770

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

GnomAD2 exomes

AF:

0.0000836

AC:

AN:

251198

AF XY:

0.0000737

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00114

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000787

AC:

115

AN:

1461530

Hom.:

Cov.:

AF XY:

0.0000715

AC XY:

AN XY:

727076

show subpopulations

African (AFR)

AF:

0.0000598

AC:

AN:

33466

American (AMR)

AF:

0.00

AC:

AN:

44702

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26126

East Asian (EAS)

AF:

0.00275

AC:

109

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86200

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53406

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111788

Other (OTH)

AF:

0.0000662

AC:

AN:

60378

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000460

AC:

AN:

152240

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74446

show subpopulations

African (AFR)

AF:

0.0000722

AC:

AN:

41534

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000771

AC:

AN:

5186

South Asian (SAS)

AF:

0.00

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10590

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68022

Other (OTH)

AF:

0.00

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.439

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.000148

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.079

BayesDel_addAF

Benign

-0.43

BayesDel_noAF

Benign

-0.44

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.050

Eigen

Benign

-0.13

Eigen_PC

Benign

0.071

FATHMM_MKL

Benign

0.71

LIST_S2

Benign

0.74

M_CAP

Benign

0.014

MetaRNN

Benign

0.015

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.1

PhyloP100

2.1

PrimateAI

Benign

0.44

PROVEAN

Benign

-1.3

REVEL

Benign

0.014

Sift

Benign

0.062

Sift4G

Benign

0.15

Polyphen

0.038

Vest4

0.30

MVP

0.20

MPC

0.68

ClinPred

0.096

GERP RS

5.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Varity_R

0.097

gMVP

0.17

Mutation Taster

=95/5

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over