Genetic Variant RFX5:p.Gly298Arg (chr1-151343145-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001025603.2(RFX5):c.892G>C(p.Gly298Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000048 in 1,459,370 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G298S) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

RFX5
NM_001025603.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.0860

Publications

1 publications found

Variant links:

Genes affected

RFX5 (HGNC:9986): (regulatory factor X5) A lack of MHC-II expression results in a severe immunodeficiency syndrome called MHC-II deficiency, or the bare lymphocyte syndrome (BLS; MIM 209920). At least 4 complementation groups have been identified in B-cell lines established from patients with BLS. The molecular defects in complementation groups B, C, and D all lead to a deficiency in RFX, a nuclear protein complex that binds to the X box of MHC-II promoters. The lack of RFX binding activity in complementation group C results from mutations in the RFX5 gene encoding the 75-kD subunit of RFX (Steimle et al., 1995). RFX5 is the fifth member of the growing family of DNA-binding proteins sharing a novel and highly characteristic DNA-binding domain called the RFX motif. Multiple alternatively spliced transcript variants have been found but the full-length natures of only two have been determined. [provided by RefSeq, Jul 2008]

RFX5 links:

RFX5-AS1 (HGNC:40503): (RFX5 antisense RNA 1)

RFX5-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.112461895).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RFX5	NM_001025603.2 link	c.892G>C	p.Gly298Arg	missense_variant	Exon 11 of 11	ENST00000452671.7	NP_001020774.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RFX5	ENST00000452671.7 link	c.892G>C	p.Gly298Arg	missense_variant	Exon 11 of 11	1	NM_001025603.2	ENSP00000389130.2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000204

AC:

AN:

245684

AF XY:

0.0000149

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000273

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000480

AC:

AN:

1459370

Hom.:

Cov.:

AF XY:

0.00000551

AC XY:

AN XY:

725932

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33436

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.000176

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86182

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52434

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4506

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112000

Other (OTH)

AF:

0.00

AC:

AN:

60252

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000827

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.092

T;T;.;T;T

Eigen

Benign

-0.57

Eigen_PC

Benign

-0.67

FATHMM_MKL

Benign

0.13

LIST_S2

Benign

0.80

.;.;T;T;T

M_CAP

Benign

0.036

MetaRNN

Benign

0.11

T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.8

L;L;.;L;.

PhyloP100

0.086

PrimateAI

Benign

0.36

PROVEAN

Benign

0.010

N;N;N;N;N

REVEL

Benign

0.083

Sift

Uncertain

0.0030

D;D;D;D;D

Sift4G

Benign

0.52

T;T;T;T;.

Polyphen

0.83

P;P;.;P;.

Vest4

0.18

MutPred

0.30

Gain of MoRF binding (P = 0.0084);Gain of MoRF binding (P = 0.0084);.;Gain of MoRF binding (P = 0.0084);Gain of MoRF binding (P = 0.0084);

MVP

0.73

MPC

0.29

ClinPred

0.17

GERP RS

0.85

Varity_R

0.17

gMVP

0.20

Mutation Taster

=96/4

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over