ClinVar Miner

Submissions for variant NM_006767.4(LZTR1):c.1978G>A (p.Glu660Lys)

gnomAD frequency: 0.00004  dbSNP: rs151000791
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Total submissions: 5
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV001314421 SCV001504955 uncertain significance not provided 2024-01-29 criteria provided, single submitter clinical testing This sequence change replaces glutamic acid, which is acidic and polar, with lysine, which is basic and polar, at codon 660 of the LZTR1 protein (p.Glu660Lys). This variant is present in population databases (rs151000791, gnomAD 0.2%). This variant has not been reported in the literature in individuals affected with LZTR1-related conditions. ClinVar contains an entry for this variant (Variation ID: 1015541). 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 not expected to disrupt LZTR1 protein function with a negative predictive value of 80%. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.
New York Genome Center RCV002265981 SCV002548577 uncertain significance Noonan syndrome 10 2021-07-16 criteria provided, single submitter clinical testing
Ambry Genetics RCV002418948 SCV002722888 likely benign Hereditary cancer-predisposing syndrome; Cardiovascular phenotype 2023-04-18 criteria provided, single submitter clinical testing This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity.
GeneDx RCV001314421 SCV002817977 uncertain significance not provided 2023-01-20 criteria provided, single submitter clinical testing In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge
Baylor Genetics RCV004570744 SCV005060623 uncertain significance Schwannomatosis 2 2024-02-28 criteria provided, single submitter clinical testing

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