Variant rs78559885 details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_021728.4(OTX2):c.831C>T(p.Asn277Asn) variant causes a synonymous change. The variant allele was found at a frequency of 0.000316 in 1,614,204 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0015 ( 1 hom., cov: 33)

Exomes 𝑓: 0.00019 ( 2 hom. )

Consequence

OTX2
NM_021728.4 synonymous

Scores

Clinical Significance

Benign criteria provided, single submitter B:3

Conservation

PhyloP100: 4.83

Variant links:

Genes affected

OTX2 (HGNC:8522): (orthodenticle homeobox 2) This gene encodes a member of the bicoid subfamily of homeodomain-containing transcription factors. The encoded protein acts as a transcription factor and plays a role in brain, craniofacial, and sensory organ development. The encoded protein also influences the proliferation and differentiation of dopaminergic neuronal progenitor cells during mitosis. Mutations in this gene cause syndromic microphthalmia 5 (MCOPS5) and combined pituitary hormone deficiency 6 (CPHD6). This gene is also suspected of having an oncogenic role in medulloblastoma. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Pseudogenes of this gene are known to exist on chromosomes two and nine. [provided by RefSeq, Jul 2012]

OTX2 links:

OTX2 (HGNC:):

OTX2 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.54).

BP6

Variant 14-56801798-G-A is Benign according to our data. Variant chr14-56801798-G-A is described in ClinVar as [Benign]. Clinvar id is 477629.Status of the report is criteria_provided_single_submitter, 1 stars. Variant chr14-56801798-G-A is described in Lovd as [Likely_benign].

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00153 (233/152320) while in subpopulation AFR AF= 0.00517 (215/41570). AF 95% confidence interval is 0.00461. There are 1 homozygotes in gnomad4. There are 108 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.

BS2

High AC in GnomAd4 at 233 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
OTX2	NM_021728.4 linkuse as main transcript	c.831C>T	p.Asn277Asn	synonymous_variant	5/5	ENST00000672264.2	NP_068374.1	P32243-2F1T0D1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
OTX2	ENST00000672264.2 linkuse as main transcript	c.831C>T	p.Asn277Asn	synonymous_variant	5/5		NM_021728.4	ENSP00000500115.1		P32243-2

Frequencies

GnomAD3 genomes

AF:

0.00153

AC:

233

AN:

152202

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00519

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000916

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:

0.00191

GnomAD3 exomes

AF:

0.000422

AC:

106

AN:

251480

Hom.:

AF XY:

0.000258

AC XY:

AN XY:

135922

show subpopulations

Gnomad AFR exome

AF:

0.00480

Gnomad AMR exome

AF:

0.000578

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000527

Gnomad OTH exome

AF:

0.000326

GnomAD4 exome

AF:

0.000189

AC:

277

AN:

1461884

Hom.:

Cov.:

AF XY:

0.000157

AC XY:

114

AN XY:

727242

show subpopulations

Gnomad4 AFR exome

AF:

0.00579

Gnomad4 AMR exome

AF:

0.000626

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:

0.0000333

Gnomad4 OTH exome

AF:

0.000232

GnomAD4 genome

AF:

0.00153

AC:

233

AN:

152320

Hom.:

Cov.:

AF XY:

0.00145

AC XY:

108

AN XY:

74478

show subpopulations

Gnomad4 AFR

AF:

0.00517

Gnomad4 AMR

AF:

0.000915

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:

0.00189

Alfa

AF:

0.000850

Hom.:

Bravo

AF:

0.00184

ClinVar

Significance: Benign

Submissions summary: Benign:3

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Benign, no assertion criteria provided

clinical testing

Clinical Genetics, Academic Medical Center

- -

not provided

Benign:1

Likely benign, no assertion criteria provided

clinical testing

Clinical Genetics DNA and cytogenetics Diagnostics Lab, Erasmus MC, Erasmus Medical Center

- -

Anophthalmia-microphthalmia syndrome

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 19, 2024

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.54

CADD

Benign

8.1

DANN

Benign

0.66

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