17-30796300-A-T

Variant summary

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

The NM_015986.4(CRLF3):​c.463T>A​(p.Leu155Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,613,930 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

CRLF3
NM_015986.4 missense

Scores

4
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.37
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]

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=0.11265227).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CRLF3NM_015986.4 linkuse as main transcriptc.463T>A p.Leu155Ile missense_variant 4/8 ENST00000324238.7 NP_057070.3 Q8IUI8-1
CRLF3NR_073118.2 linkuse as main transcriptn.296T>A non_coding_transcript_exon_variant 3/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CRLF3ENST00000324238.7 linkuse as main transcriptc.463T>A p.Leu155Ile missense_variant 4/81 NM_015986.4 ENSP00000318804.6 Q8IUI8-1
CRLF3ENST00000578692.1 linkuse as main transcriptn.255T>A non_coding_transcript_exon_variant 3/72 ENSP00000462643.1 J3KST8
CRLF3ENST00000577725.1 linkuse as main transcriptn.392+4729T>A intron_variant 5

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152234
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000119
AC:
3
AN:
251290
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135816
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:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000479
AC:
7
AN:
1461696
Hom.:
0
Cov.:
30
AF XY:
0.00000550
AC XY:
4
AN XY:
727150
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:
0.00000630
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152234
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74378
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000478
Bravo
AF:
0.00000756
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

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 GeneticsSep 25, 2024The c.463T>A (p.L155I) alteration is located in exon 4 (coding exon 4) of the CRLF3 gene. This alteration results from a T to A substitution at nucleotide position 463, causing the leucine (L) at amino acid position 155 to be replaced by an isoleucine (I). 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
0.16
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.44
CADD
Benign
19
DANN
Benign
0.97
DEOGEN2
Benign
0.0075
T
Eigen
Benign
-0.16
Eigen_PC
Benign
0.026
FATHMM_MKL
Uncertain
0.79
D
LIST_S2
Uncertain
0.88
D
M_CAP
Benign
0.0060
T
MetaRNN
Benign
0.11
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.3
L
PrimateAI
Uncertain
0.71
T
PROVEAN
Benign
0.30
N
REVEL
Benign
0.054
Sift
Benign
0.39
T
Sift4G
Uncertain
0.058
T
Polyphen
0.13
B
Vest4
0.38
MutPred
0.24
Loss of catalytic residue at L155 (P = 0.0381);
MVP
0.23
MPC
0.72
ClinPred
0.38
T
GERP RS
5.4
Varity_R
0.071
gMVP
0.16

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs749057165; hg19: chr17-29123318; API