NM_012249.4:c.614C>T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_012249.4(RHOQ):c.614C>T(p.Thr205Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000118 in 1,526,116 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

RHOQ
NM_012249.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.81

Publications

1 publications found

Variant links:

Genes affected

RHOQ (HGNC:17736): (ras homolog family member Q) This gene encodes a member of the Rho family of small GTPases, which cycle between inactive GDP-bound and active GTP-bound states and function as molecular switches in signal transduction cascades. Rho proteins promote reorganization of the actin cytoskeleton and regulate cell shape, attachment, and motility. The encoded protein is an important signalling protein for sarcomere assembly and has been shown to play a significant role in the exocytosis of the solute carrier family 2, facilitated glucose transporter member 4 and other proteins, possibly acting as the signal that turns on the membrane fusion machinery. Three related pseudogene have been identified on chromosomes 2 and 14. [provided by RefSeq, Aug 2011]

RHOQ links:

PIGF (HGNC:8962): (phosphatidylinositol glycan anchor biosynthesis class F) This gene encodes a protein involved in glycosylphosphatidylinositol (GPI)-anchor biosynthesis. The GPI-anchor, a glycolipid containing three mannose molecules in its core backbone, is found on many blood cells where it serves to anchor proteins to the cell surface. The encoded protein and another GPI synthesis protein, PIGO, function in the transfer of ethanolaminephosphate to the third mannose in GPI. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

PIGF Gene-Disease associations (from GenCC):

onychodystrophy, osteodystrophy, impaired intellectual development, and seizures syndrome
Inheritance: AR Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

PIGF links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RHOQ	NM_012249.4 link	c.614C>T	p.Thr205Met	missense_variant	Exon 5 of 5	ENST00000238738.9	NP_036381.2	P17081V9HWD0
PIGF	NM_002643.4 link	c.*399G>A		3_prime_UTR_variant	Exon 6 of 6	ENST00000281382.11	NP_002634.1	Q07326-1Q6IB04

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RHOQ	ENST00000238738.9 link	c.614C>T	p.Thr205Met	missense_variant	Exon 5 of 5	1	NM_012249.4	ENSP00000238738.4		P17081
PIGF	ENST00000281382.11 link	c.*399G>A		3_prime_UTR_variant	Exon 6 of 6	1	NM_002643.4	ENSP00000281382.6		Q07326-1

Frequencies

GnomAD3 genomes

AF:

0.0000266

AC:

AN:

150236

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000484

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000674

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:

0.0000149

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000562

AC:

AN:

177832

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000115

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000102

AC:

AN:

1375762

Hom.:

Cov.:

AF XY:

0.0000132

AC XY:

AN XY:

681018

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

29882

American (AMR)

AF:

0.00

AC:

AN:

29026

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

21184

East Asian (EAS)

AF:

0.00

AC:

AN:

38264

South Asian (SAS)

AF:

0.0000278

AC:

AN:

71890

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50796

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3776

European-Non Finnish (NFE)

AF:

0.0000102

AC:

AN:

1074336

Other (OTH)

AF:

0.0000177

AC:

AN:

56608

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.407

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000266

AC:

AN:

150354

Hom.:

Cov.:

AF XY:

0.0000409

AC XY:

AN XY:

73414

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41442

American (AMR)

AF:

0.0000673

AC:

AN:

14856

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3432

East Asian (EAS)

AF:

0.00

AC:

AN:

5158

South Asian (SAS)

AF:

0.00

AC:

AN:

4748

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10370

Middle Eastern (MID)

AF:

0.00

AC:

AN:

290

European-Non Finnish (NFE)

AF:

0.0000149

AC:

AN:

67084

Other (OTH)

AF:

0.00

AC:

AN:

2076

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.488

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000302

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.00000826

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 12, 2024

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.614C>T (p.T205M) alteration is located in exon 5 (coding exon 5) of the RHOQ gene. This alteration results from a C to T substitution at nucleotide position 614, causing the threonine (T) at amino acid position 205 to be replaced by a methionine (M). 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

0.35

BayesDel_addAF

Uncertain

0.14

BayesDel_noAF

Uncertain

-0.040

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.15

Eigen

Uncertain

0.51

Eigen_PC

Uncertain

0.57

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.95

M_CAP

Uncertain

0.093

MetaRNN

Uncertain

0.62

MetaSVM

Uncertain

-0.27

MutationAssessor

Benign

1.1

PhyloP100

7.8

PrimateAI

Pathogenic

0.86

PROVEAN

Benign

-1.1

REVEL

Uncertain

0.31

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0

Polyphen

1.0

Vest4

0.62

MVP

0.85

MPC

0.99

ClinPred

0.88

GERP RS

4.6

Varity_R

0.41

gMVP

0.84

Mutation Taster

=43/57

disease causing

(source)

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

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NM_012249.4:c.614C>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over