17-30824540-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_015986.4(CRLF3):​c.112C>T​(p.Arg38Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000111 in 1,441,122 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

CRLF3
NM_015986.4 missense

Scores

8
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.40
Variant links:
Genes affected
CRLF3 (HGNC:17177): (cytokine receptor like factor 3) This gene encodes a cytokine receptor-like factor that may negatively regulate cell cycle progression at the G0/G1 phase. Studies of the related rat protein suggest that it may regulate neuronal morphology and synaptic vesicle biogenesis. This gene is one of several genes located in the neurofibromatosis type I tumor suppressor region on the q arm of chromosome 17, a region that is subject to microdeletions, duplications, chromosomal breaks and rearrangements. Alternative splicing of this gene results in multiple transcript variants. Related pseudogenes have been identified on chromosomes 2 and 5. [provided by RefSeq, Aug 2012]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CRLF3NM_015986.4 linkuse as main transcriptc.112C>T p.Arg38Cys missense_variant 1/8 ENST00000324238.7 NP_057070.3 Q8IUI8-1
CRLF3NR_073118.2 linkuse as main transcriptn.153C>T non_coding_transcript_exon_variant 1/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CRLF3ENST00000324238.7 linkuse as main transcriptc.112C>T p.Arg38Cys missense_variant 1/81 NM_015986.4 ENSP00000318804.6 Q8IUI8-1
CRLF3ENST00000578692.1 linkuse as main transcriptn.112C>T non_coding_transcript_exon_variant 1/72 ENSP00000462643.1 J3KST8

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.0000239
AC:
5
AN:
209130
Hom.:
0
AF XY:
0.0000171
AC XY:
2
AN XY:
116658
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000541
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000111
AC:
16
AN:
1441122
Hom.:
0
Cov.:
31
AF XY:
0.0000112
AC XY:
8
AN XY:
716904
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:
0.0000145
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.00000756
ExAC
AF:
0.0000334
AC:
4

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 28, 2023The c.112C>T (p.R38C) alteration is located in exon 1 (coding exon 1) of the CRLF3 gene. This alteration results from a C to T substitution at nucleotide position 112, causing the arginine (R) at amino acid position 38 to be replaced by a cysteine (C). 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
0.21
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Benign
-0.46
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Benign
0.022
T
Eigen
Benign
0.19
Eigen_PC
Uncertain
0.28
FATHMM_MKL
Uncertain
0.91
D
LIST_S2
Uncertain
0.93
D
M_CAP
Uncertain
0.21
D
MetaRNN
Benign
0.21
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.0
N
PrimateAI
Uncertain
0.72
T
PROVEAN
Benign
-1.3
N
REVEL
Benign
0.043
Sift
Uncertain
0.028
D
Sift4G
Uncertain
0.053
T
Polyphen
0.92
P
Vest4
0.36
MutPred
0.32
Loss of MoRF binding (P = 0.0056);
MVP
0.14
MPC
0.53
ClinPred
0.55
D
GERP RS
4.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.21
gMVP
0.20

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.21
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.21
Position offset: 0

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: rs769371660; hg19: chr17-29151558; API