rs1555533304

Variant summary

Our verdict is Pathogenic. Variant got 11 ACMG points: 11P and 0B. PM1PM2PM5PP2PP3_Strong

The NM_001042492.3(NF1):​c.4932C>A​(p.Asp1644Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D1644N) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)

Consequence

NF1
NM_001042492.3 missense

Scores

12
6
1

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.01
Variant links:
Genes affected
NF1 (HGNC:7765): (neurofibromin 1) This gene product appears to function as a negative regulator of the ras signal transduction pathway. Mutations in this gene have been linked to neurofibromatosis type 1, juvenile myelomonocytic leukemia and Watson syndrome. The mRNA for this gene is subject to RNA editing (CGA>UGA->Arg1306Term) resulting in premature translation termination. Alternatively spliced transcript variants encoding different isoforms have also been described for this gene. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 11 ACMG points.

PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 14 uncertain in NM_001042492.3
PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr17-31325914-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 640039.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), NF1. . Gene score misZ 6.5427 (greater than the threshold 3.09). Trascript score misZ 8.4054 (greater than threshold 3.09). GenCC has associacion of gene with neurofibromatosis, familial spinal, hereditary pheochromocytoma-paraganglioma, neurofibromatosis type 1, Watson syndrome, neurofibromatosis-Noonan syndrome, Moyamoya disease, familial ovarian cancer.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.956

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NF1NM_001042492.3 linkuse as main transcriptc.4932C>A p.Asp1644Glu missense_variant 37/58 ENST00000358273.9
NF1NM_000267.3 linkuse as main transcriptc.4869C>A p.Asp1623Glu missense_variant 36/57

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NF1ENST00000358273.9 linkuse as main transcriptc.4932C>A p.Asp1644Glu missense_variant 37/581 NM_001042492.3 P1P21359-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
Cov.:
32
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.42
D
BayesDel_noAF
Pathogenic
0.36
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Pathogenic
0.92
D;.;D
Eigen
Pathogenic
0.76
Eigen_PC
Pathogenic
0.73
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.92
D;D;D
M_CAP
Pathogenic
0.78
D
MetaRNN
Pathogenic
0.96
D;D;D
MetaSVM
Uncertain
0.61
D
MutationAssessor
Uncertain
2.8
M;.;.
MutationTaster
Benign
1.0
D;D
PrimateAI
Pathogenic
0.86
D
PROVEAN
Uncertain
-3.6
D;D;D
REVEL
Pathogenic
0.82
Sift
Pathogenic
0.0
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
1.0
D;D;.
Vest4
0.97
MutPred
0.82
Gain of sheet (P = 0.1208);.;.;
MVP
0.98
MPC
1.7
ClinPred
1.0
D
GERP RS
5.7
Varity_R
0.95
gMVP
0.90

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: chr17-29652934; API