2-19353152-C-A

Position:

• chr2-19353152-C-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_Strong BP7 BS2

The NM_145260.3(OSR1):​c.654G>T​(p.Leu218=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000126 in 1,613,560 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.00014 (0 hom., cov: 33)
  • Exomes 𝑓: 0.00012 (1 hom.)
• Consequence: OSR1 NM_145260.3 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.355

Genes affected

OSR1 (HGNC:8111): (odd-skipped related transcription factor 1) Enables sequence-specific double-stranded DNA binding activity. Involved in negative regulation of ion transmembrane transporter activity; positive regulation of gastrulation; and pronephros development. Located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -9 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.5).
• BP7: Synonymous conserved (PhyloP=-0.355 with no splicing effect.
• BS2: High AC in GnomAd4 at 21 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
OSR1	NM_145260.3	c.654G>T	p.Leu218=	synonymous_variant	2/3	ENST00000272223.3	NP_660303.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
OSR1	ENST00000272223.3	c.654G>T	p.Leu218=	synonymous_variant	2/3	1	NM_145260.3	ENSP00000272223	P1
OSR1	ENST00000487581.1	n.3761G>T		non_coding_transcript_exon_variant	1/2	1

Frequencies

GnomAD3 genomes AF: 0.000138 AC: 21 AN: 152174 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.0000483

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000327

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: 0.000206

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.000163 AC: 41 AN: 251280 Hom.: 1 AF XY: 0.000191 AC XY: 26 AN XY: 135812

Gnomad AFR exome AF: 0.0000615

Gnomad AMR exome AF: 0.000376

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.0000653

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000211

Gnomad OTH exome AF: 0.000163

GnomAD4 exome AF: 0.000125 AC: 182 AN: 1461268 Hom.: 1 Cov.: 32 AF XY: 0.000135 AC XY: 98 AN XY: 726802

Gnomad4 AFR exome AF: 0.0000896

Gnomad4 AMR exome AF: 0.000380

Gnomad4 ASJ exome AF: 0.0000383

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.000104

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.000124

Gnomad4 OTH exome AF: 0.000182

GnomAD4 genome AF: 0.000138 AC: 21 AN: 152292 Hom.: 0 Cov.: 33 AF XY: 0.000121 AC XY: 9 AN XY: 74468

Gnomad4 AFR AF: 0.0000481

Gnomad4 AMR AF: 0.000326

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000206

Gnomad4 OTH AF: 0.00

EpiCase AF: 0.000491

EpiControl AF: 0.000474

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.50
CADD	Benign	0.45
DANN	Benign	0.85

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

Other links and lift over

dbSNP: rs12329305; hg19: chr2-19552913;