rs587780200
Variant summary
Our verdict is Likely benign. Variant got -4 ACMG points: 0P and 4B. BS2
The NM_001166108.2(PALLD):c.2651T>C(p.Met884Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000378 in 1,613,006 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★).
Frequency
Consequence
NM_001166108.2 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Likely_benign. Variant got -4 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000263 AC: 4AN: 152244Hom.: 0 Cov.: 32
GnomAD3 exomes AF: 0.0000239 AC: 6AN: 251440Hom.: 0 AF XY: 0.0000294 AC XY: 4AN XY: 135888
GnomAD4 exome AF: 0.0000390 AC: 57AN: 1460762Hom.: 0 Cov.: 30 AF XY: 0.0000454 AC XY: 33AN XY: 726818
GnomAD4 genome AF: 0.0000263 AC: 4AN: 152244Hom.: 0 Cov.: 32 AF XY: 0.0000403 AC XY: 3AN XY: 74372
ClinVar
Submissions by phenotype
not specified Uncertain:1
The p.M867T variant (also known as c.2600T>C), located in coding exon 14 of the PALLD gene, results from a T to C substitution at nucleotide position 2600. The methionine at codon 867 is replaced by threonine, an amino acid with similar properties. This amino acid position is conserved. In addition, this alteration is predicted to be deleterious by in silico analysis. Since supporting evidence is limited at this time, the clinical significance of this alteration remains unclear. -
Pancreatic adenocarcinoma Uncertain:1
This sequence change replaces methionine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 380 of the PALLD protein (p.Met380Thr). This variant is present in population databases (rs587780200, gnomAD 0.005%). This variant has not been reported in the literature in individuals affected with PALLD-related conditions. ClinVar contains an entry for this variant (Variation ID: 128106). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant is likely to be tolerated. 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. -
not provided Uncertain:1
PALLD has been only recently described in association with pancreatic cancer and the risks are not well understood. This variant is denoted PALLD c.2600T>C at the cDNA level, p.Met867Thr (M867T) at the protein level, and results in the change of a Methionine to a Threonine (ATG>ACG). This variant has not, to our knowledge, been published in the literature as pathogenic or benign. PALLD Met867Thr was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. This variant is a non-conservative substitution in which a neutral non-polar amino acid is replaced with a neutral polar one, altering a position that is well conserved throughout evolution and is located in the Immunoglobulin I-set domain. In silico analyses are inconsistent with regard to the effect this variant may have on protein structure and function. On a molecular level, the impact of this missense variant on protein structure and function is not known and thus we consider this to be a variant of uncertain significance. Furthermore, based on the currently available information, cancer risks associated with this variant, and the PALLD gene, remain unclear. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at