Genetic Variant OSR2:p.Ala259Val (chr8-98951620-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BP4_ModerateBP6_Moderate

The NM_053001.4(OSR2):c.776C>T(p.Ala259Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,613,854 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/15 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

OSR2
NM_053001.4 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.12

Variant links:

Genes affected

OSR2 (HGNC:15830): (odd-skipped related transciption factor 2) OSR2 is a mammalian homolog of the Drosophila odd-skipped family of transcription factors (Lan et al., 2004 [PubMed 15175245]).[supplied by OMIM, Mar 2008]

OSR2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.07682675).

BP6

Variant 8-98951620-C-T is Benign according to our data. Variant chr8-98951620-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3303622.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
OSR2	NM_001142462.3 link	c.858C>T	p.Cys286Cys	synonymous_variant	Exon 4 of 4	ENST00000297565.9	NP_001135934.1	Q8N2R0-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
OSR2	ENST00000435298.6 link	c.776C>T	p.Ala259Val	missense_variant	Exon 4 of 4	1		ENSP00000402862.2	Q8N2R0-2
OSR2	ENST00000297565.9 link	c.858C>T	p.Cys286Cys	synonymous_variant	Exon 4 of 4	1	NM_001142462.3	ENSP00000297565.4	Q8N2R0-1
OSR2	ENST00000457907.3 link	c.1221C>T	p.Cys407Cys	synonymous_variant	Exon 5 of 5	2		ENSP00000414657.2	Q8N2R0-3
OSR2	ENST00000522510.5 link	c.858C>T	p.Cys286Cys	synonymous_variant	Exon 5 of 5	2		ENSP00000430780.1	Q8N2R0-1

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152190

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000965

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461664

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727102

show subpopulations

Gnomad4 AFR exome

AF:

0.0000896

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000263

AC:

AN:

152190

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74344

show subpopulations

Gnomad4 AFR

AF:

0.0000965

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:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000329

Hom.:

Bravo

AF:

0.0000302

ESP6500AA

AF:

0.000491

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00000827

AC:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Benign:1

Mar 30, 2024

Ambry Genetics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.44

CADD

Benign

DANN

Benign

0.89

Eigen

Benign

-0.22

Eigen_PC

Benign

-0.078

FATHMM_MKL

Benign

0.65

LIST_S2

Benign

0.71

M_CAP

Benign

0.0041

MetaRNN

Benign

0.077

MetaSVM

Benign

-0.95

PROVEAN

Benign

-0.26

REVEL

Benign

0.11

Sift

Benign

0.19

Sift4G

Uncertain

0.031

Polyphen

0.0

Vest4

0.20

MVP

0.28

ClinPred

0.070

GERP RS

2.5

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