ClinVar Miner

Submissions for variant NM_001042492.3(NF1):c.3211G>C (p.Ala1071Pro)

dbSNP: rs2067122183
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Genome Diagnostics Laboratory, The Hospital for Sick Children RCV001290935 SCV001479259 likely pathogenic Neurofibromatosis, type 1 2020-10-26 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV001290935 SCV004297463 pathogenic Neurofibromatosis, type 1 2023-12-07 criteria provided, single submitter clinical testing This sequence change replaces alanine, which is neutral and non-polar, with proline, which is neutral and non-polar, at codon 1071 of the NF1 protein (p.Ala1071Pro). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with clinical features of neurofibromatosis, type 1 and/or Noonan syndrome (PMID: 24789688, 26056819; Invitae). In at least one individual the variant was observed to be de novo. ClinVar contains an entry for this variant (Variation ID: 996519). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt NF1 protein function with a positive predictive value of 95%. For these reasons, this variant has been classified as Pathogenic.

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