chr2-240868897-C-T
Variant summary
Our verdict is Benign. Variant got -16 ACMG points: 4P and 20B. PM1PM5BP4_StrongBP6_Very_StrongBA1
The NM_000030.3(AGXT):c.32C>T(p.Pro11Leu) variant causes a missense change. The variant allele was found at a frequency of 0.181 in 1,612,864 control chromosomes in the GnomAD database, including 29,291 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P11H) has been classified as Likely benign.
Frequency
Consequence
NM_000030.3 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -16 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
AGXT | NM_000030.3 | c.32C>T | p.Pro11Leu | missense_variant | 1/11 | ENST00000307503.4 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
AGXT | ENST00000307503.4 | c.32C>T | p.Pro11Leu | missense_variant | 1/11 | 1 | NM_000030.3 | P1 | |
AGXT | ENST00000472436.1 | n.52C>T | non_coding_transcript_exon_variant | 1/5 | 2 |
Frequencies
GnomAD3 genomes AF: 0.145 AC: 22081AN: 152142Hom.: 2022 Cov.: 33
GnomAD3 exomes AF: 0.147 AC: 36260AN: 246678Hom.: 3413 AF XY: 0.149 AC XY: 20008AN XY: 134068
GnomAD4 exome AF: 0.185 AC: 269858AN: 1460604Hom.: 27266 Cov.: 34 AF XY: 0.182 AC XY: 132039AN XY: 726568
GnomAD4 genome AF: 0.145 AC: 22086AN: 152260Hom.: 2025 Cov.: 33 AF XY: 0.144 AC XY: 10684AN XY: 74434
ClinVar
Submissions by phenotype
Primary hyperoxaluria, type I Benign:5Other:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Apr 27, 2017 | This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). No publications were found based on this search. Allele frequency data from public databases allowed determination this variant is unlikely to cause disease. Therefore, this variant is classified as likely benign. - |
Benign, no assertion criteria provided | clinical testing | Natera, Inc. | Jan 10, 2020 | - - |
Likely benign, criteria provided, single submitter | clinical testing | Fulgent Genetics, Fulgent Genetics | Sep 29, 2021 | - - |
not provided, no classification provided | literature only | GeneReviews | - | - - |
Likely benign, criteria provided, single submitter | clinical testing | Clinical Biochemistry Laboratory, Health Services Laboratory | Dec 23, 2023 | c.32C>T, although a common polymorphic variant with approximately 64% activity in vitro (PMID:10960483), it can influence the pathogenicity of some AGXT variants, for example see c.836T>C - |
Benign, no assertion criteria provided | literature only | OMIM | Jan 25, 2013 | - - |
not specified Benign:3
Benign, criteria provided, single submitter | clinical testing | Eurofins Ntd Llc (ga) | Sep 24, 2014 | - - |
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Benign, criteria provided, single submitter | clinical testing | Women's Health and Genetics/Laboratory Corporation of America, LabCorp | Feb 24, 2023 | Variant summary: AGXT c.32C>T (p.Pro11Leu) results in a non-conservative amino acid change in the encoded protein sequence. Three of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 0.15 in 246868 control chromosomes, predominantly at a frequency of 0.2 within the Non-Finnish European subpopulation in the gnomAD database, including 2253 homozygotes. The observed variant frequency within Non-Finnish European control individuals in the gnomAD database is approximately 101 fold of the estimated maximal expected allele frequency for a pathogenic variant in AGXT causing Primary Hyperoxaluria Type 1 phenotype (0.0024), strongly suggesting that the variant is a benign polymorphism found primarily in populations of Non-Finnish European origin. However, the variant, c.32C>T, has also been reported in the literature in multiple individuals affected with Primary Hyperoxaluria Type 1, together with two pathogenic variants (VanWoerden_2004, Lorenzo_2006, Kanoun_2013, Ahmed_2022). Clinical and functional data show that this variant leads to a synergistic effect with some common pathogenic variants (e.g. Gly170Arg and p.Ile244Thr), and the presence of this variant in the same chromosome (in cis) is required for their loss of function effect (Lumb_2000, Santana_2003, Monico_2007). Four ClinVar submitters (evaluation after 2014) cite this variant as benign (n=2) and likely benign (n=2). Based on the evidence outlined above, the variant was classified as benign. - |
not provided Benign:1
Benign, criteria provided, single submitter | clinical testing | Invitae | Feb 01, 2024 | - - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at