Variant 21-43010150-A-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_004571.5(PKNOX1):c.277A>G(p.Ile93Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000162 in 1,606,524 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

PKNOX1
NM_004571.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.74

Variant links:

Genes affected

PKNOX1 (HGNC:9022): (PBX/knotted 1 homeobox 1) Enables sequence-specific double-stranded DNA binding activity. Predicted to be involved in angiogenesis and regulation of transcription by RNA polymerase II. Predicted to act upstream of or within camera-type eye development; hemopoiesis; and positive regulation of transcription by RNA polymerase II. Predicted to be located in cytoplasm and nucleus. Predicted to be part of chromatin. [provided by Alliance of Genome Resources, Apr 2022]

PKNOX1 links:

PKNOX1 (HGNC:):

PKNOX1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.115852416).

BS2

High AC in GnomAdExome4 at 23 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PKNOX1	NM_004571.5 linkuse as main transcript	c.277A>G	p.Ile93Val	missense_variant	4/11	ENST00000291547.10	NP_004562.2	P55347-1Q96I87Q6PKH2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
PKNOX1	ENST00000291547.10 linkuse as main transcript	c.277A>G	p.Ile93Val	missense_variant	4/11	1	NM_004571.5	ENSP00000291547.4	P55347-1
PKNOX1	ENST00000432907.6 linkuse as main transcript	c.-1+2532A>G		intron_variant		2		ENSP00000402243.2	E7EPN6
PKNOX1	ENST00000480179.1 linkuse as main transcript	n.336A>G		non_coding_transcript_exon_variant	4/6	2
PKNOX1	ENST00000560448.5 linkuse as main transcript	n.179+2532A>G		intron_variant		5		ENSP00000453486.1	H0YM69

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152250

Hom.:

Cov.:

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:

0.000577

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

GnomAD3 exomes

AF:

0.0000849

AC:

AN:

247382

Hom.:

AF XY:

0.0000673

AC XY:

AN XY:

133760

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00116

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000158

AC:

AN:

1454274

Hom.:

Cov.:

AF XY:

0.0000152

AC XY:

AN XY:

723422

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000481

Gnomad4 SAS exome

AF:

0.0000236

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000181

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152250

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74386

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.000577

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000378

ExAC

AF:

0.0000988

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

May 26, 2024

The c.277A>G (p.I93V) alteration is located in exon 4 (coding exon 3) of the PKNOX1 gene. This alteration results from a A to G substitution at nucleotide position 277, causing the isoleucine (I) at amino acid position 93 to be replaced by a valine (V). 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

Uncertain

0.51

BayesDel_addAF

Benign

-0.32

BayesDel_noAF

Benign

-0.27

CADD

Uncertain

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.18

Eigen

Uncertain

0.66

Eigen_PC

Pathogenic

0.68

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.94

M_CAP

Benign

0.013

MetaRNN

Benign

0.12

MetaSVM

Benign

-0.91

MutationAssessor

Benign

1.5

PrimateAI

Uncertain

0.76

PROVEAN

Benign

-0.85

REVEL

Benign

0.26

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.056

Polyphen

0.98

Vest4

0.42

MutPred

0.40

Gain of disorder (P = 0.0633);

MVP

0.43

MPC

0.96

ClinPred

0.25

GERP RS

5.5

Varity_R

0.31

gMVP

0.25

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

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