17-82049846-G-C

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_002917.2(RFNG):​c.663-4C>G variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000625 in 1,604,350 control chromosomes in the GnomAD database, including 2 homozygotes. 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 (★).

Frequency

Genomes: 𝑓 0.00040 ( 1 hom., cov: 35)
Exomes 𝑓: 0.00065 ( 1 hom. )

Consequence

RFNG
NM_002917.2 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.00006965
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.681
Variant links:
Genes affected
RFNG (HGNC:9974): (RFNG O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase) Predicted to enable O-fucosylpeptide 3-beta-N-acetylglucosaminyltransferase activity. Predicted to be involved in regulation of Notch signaling pathway. Predicted to act upstream of or within positive regulation of Notch signaling pathway and positive regulation of protein binding activity. Predicted to be integral component of Golgi membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 17-82049846-G-C is Benign according to our data. Variant chr17-82049846-G-C is described in ClinVar as [Likely_benign]. Clinvar id is 2648481.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomAd4 at 61 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
RFNGNM_002917.2 linkuse as main transcriptc.663-4C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000310496.9
RFNGXM_011523587.3 linkuse as main transcriptc.285-4C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
RFNGENST00000310496.9 linkuse as main transcriptc.663-4C>G splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 2 NM_002917.2 P1

Frequencies

GnomAD3 genomes
AF:
0.000401
AC:
61
AN:
152226
Hom.:
1
Cov.:
35
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000577
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000720
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000263
AC:
63
AN:
239800
Hom.:
0
AF XY:
0.000291
AC XY:
38
AN XY:
130722
show subpopulations
Gnomad AFR exome
AF:
0.000324
Gnomad AMR exome
AF:
0.0000605
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000278
Gnomad SAS exome
AF:
0.0000339
Gnomad FIN exome
AF:
0.0000480
Gnomad NFE exome
AF:
0.000426
Gnomad OTH exome
AF:
0.000518
GnomAD4 exome
AF:
0.000648
AC:
941
AN:
1452006
Hom.:
1
Cov.:
32
AF XY:
0.000621
AC XY:
448
AN XY:
721726
show subpopulations
Gnomad4 AFR exome
AF:
0.000302
Gnomad4 AMR exome
AF:
0.0000461
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000202
Gnomad4 SAS exome
AF:
0.0000117
Gnomad4 FIN exome
AF:
0.000174
Gnomad4 NFE exome
AF:
0.000800
Gnomad4 OTH exome
AF:
0.000417
GnomAD4 genome
AF:
0.000400
AC:
61
AN:
152344
Hom.:
1
Cov.:
35
AF XY:
0.000336
AC XY:
25
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000578
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000720
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000213
Hom.:
0
Bravo
AF:
0.000423

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenSep 01, 2022RFNG: BP4, BS2 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
0.37
DANN
Benign
0.73
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.0

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000070
dbscSNV1_RF
Benign
0.020
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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs200651785; hg19: chr17-80007722; API