chr6-116877328-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_173560.4(RFX6):​c.53C>T​(p.Pro18Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,460,728 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

RFX6
NM_173560.4 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.857
Variant links:
Genes affected
RFX6 (HGNC:21478): (regulatory factor X6) The nuclear protein encoded by this gene is a member of the regulatory factor X (RFX) family of transcription factors. Studies in mice suggest that this gene is specifically required for the differentiation of islet cells for the production of insulin, but not for the differentiation of pancreatic polypeptide-producing cells. It regulates the transcription factors involved in beta-cell maturation and function, thus, restricting the expression of the beta-cell differentiation and specification genes. Mutations in this gene are associated with Mitchell-Riley syndrome, which is characterized by neonatal diabetes with pancreatic hypoplasia, duodenal and jejunal atresia, and gall bladder agenesis.[provided by RefSeq, Sep 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.18932286).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RFX6NM_173560.4 linkc.53C>T p.Pro18Leu missense_variant 1/19 ENST00000332958.3 NP_775831.2 Q8HWS3
RFX6XM_011535589.2 linkc.53C>T p.Pro18Leu missense_variant 1/18 XP_011533891.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RFX6ENST00000332958.3 linkc.53C>T p.Pro18Leu missense_variant 1/191 NM_173560.4 ENSP00000332208.2 Q8HWS3
RFX6ENST00000487683.5 linkn.117C>T non_coding_transcript_exon_variant 1/145

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1460728
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
726608
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsOct 20, 2024The c.53C>T (p.P18L) alteration is located in exon 1 (coding exon 1) of the RFX6 gene. This alteration results from a C to T substitution at nucleotide position 53, causing the proline (P) at amino acid position 18 to be replaced by a leucine (L). 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
Benign
0.078
BayesDel_addAF
Benign
-0.10
T
BayesDel_noAF
Benign
-0.38
CADD
Benign
16
DANN
Uncertain
0.99
DEOGEN2
Benign
0.16
T
Eigen
Benign
-0.19
Eigen_PC
Benign
-0.16
FATHMM_MKL
Benign
0.27
N
LIST_S2
Benign
0.63
T
M_CAP
Benign
0.027
D
MetaRNN
Benign
0.19
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.81
L
PrimateAI
Benign
0.45
T
PROVEAN
Benign
-1.0
N
REVEL
Benign
0.076
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.028
D
Polyphen
0.61
P
Vest4
0.38
MutPred
0.23
Loss of loop (P = 0.0073);
MVP
0.24
MPC
0.56
ClinPred
0.62
D
GERP RS
5.3
Varity_R
0.077
gMVP
0.17

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr6-117198491; API