Variant rs143598006 details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Benign. Variant got -15 ACMG points: 0P and 15B. BP4_ModerateBP6_Very_StrongBP7BS2

The NM_002547.3(OPHN1):c.249C>T(p.Ile83=) variant causes a splice region, synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000304 in 1,151,141 control chromosomes in the GnomAD database, including 1 homozygotes. There are 11 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. I83I) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., 0 hem., cov: 23)

Exomes 𝑓: 0.000031 ( 1 hom. 11 hem. )

Consequence

OPHN1
NM_002547.3 splice_region, synonymous

Scores

Splicing: ADA: 0.0003319

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.179

Variant links:

Genes affected

OPHN1 (HGNC:8148): (oligophrenin 1) This gene encodes a Rho-GTPase-activating protein that promotes GTP hydrolysis of Rho subfamily members. Rho proteins are important mediators of intracellular signal transduction, which affects cell migration and cell morphogenesis. Mutations in this gene are responsible for OPHN1-related X-linked cognitive disability with cerebellar hypoplasia and distinctive facial dysmorhphism. [provided by RefSeq, Jul 2008]

OPHN1 links:

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -15 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.4).

BP6

Variant X-68299002-G-A is Benign according to our data. Variant chrX-68299002-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 436108.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=0.179 with no splicing effect.

BS2

High Hemizygotes in GnomAdExome4 at 11 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
OPHN1	NM_002547.3 linkuse as main transcript	c.249C>T	p.Ile83=	splice_region_variant, synonymous_variant	3/25	ENST00000355520.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
OPHN1	ENST00000355520.6 linkuse as main transcript	c.249C>T	p.Ile83=	splice_region_variant, synonymous_variant	3/25	1	NM_002547.3	P1	O60890-1

Frequencies

GnomAD3 genomes

AF:

0.0000357

AC:

AN:

112091

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34243

show subpopulations

Gnomad AFR

AF:

0.0000324

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:

0.00418

Gnomad NFE

AF:

0.0000375

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000328

AC:

AN:

183172

Hom.:

AF XY:

0.0000295

AC XY:

AN XY:

67740

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000365

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000144

Gnomad SAS exome

AF:

0.0000524

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000245

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000308

AC:

AN:

1038994

Hom.:

Cov.:

AF XY:

0.0000347

AC XY:

AN XY:

317218

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.0000289

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000693

Gnomad4 SAS exome

AF:

0.0000759

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000114

Gnomad4 OTH exome

AF:

0.0000688

GnomAD4 genome

AF:

0.0000268

AC:

AN:

112147

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

34309

show subpopulations

Gnomad4 AFR

AF:

0.0000323

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:

0.0000375

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000416

EpiCase

AF:

0.000109

EpiControl

AF:

0.00

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Genetic Services Laboratory, University of Chicago

Feb 18, 2016

- -

not provided

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Feb 06, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.40

CADD

Benign

1.8

DANN

Benign

0.83

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.00033

dbscSNV1_RF

Benign

0.094

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