rs1554825177
Positions:
Variant summary
Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP2
The NM_000314.8(PTEN):āc.670A>Cā(p.Ile224Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,122 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: š 0.0000066 ( 0 hom., cov: 32)
Consequence
PTEN
NM_000314.8 missense
NM_000314.8 missense
Scores
3
10
6
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 8.88
Genes affected
PTEN (HGNC:9588): (phosphatase and tensin homolog) This gene was identified as a tumor suppressor that is mutated in a large number of cancers at high frequency. The protein encoded by this gene is a phosphatidylinositol-3,4,5-trisphosphate 3-phosphatase. It contains a tensin like domain as well as a catalytic domain similar to that of the dual specificity protein tyrosine phosphatases. Unlike most of the protein tyrosine phosphatases, this protein preferentially dephosphorylates phosphoinositide substrates. It negatively regulates intracellular levels of phosphatidylinositol-3,4,5-trisphosphate in cells and functions as a tumor suppressor by negatively regulating AKT/PKB signaling pathway. The use of a non-canonical (CUG) upstream initiation site produces a longer isoform that initiates translation with a leucine, and is thought to be preferentially associated with the mitochondrial inner membrane. This longer isoform may help regulate energy metabolism in the mitochondria. A pseudogene of this gene is found on chromosome 9. Alternative splicing and the use of multiple translation start codons results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Feb 2015]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 3 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), PTEN. . Gene score misZ 3.4883 (greater than the threshold 3.09). Trascript score misZ 4.1129 (greater than threshold 3.09). GenCC has associacion of gene with Lhermitte-Duclos disease, Bannayan-Riley-Ruvalcaba syndrome, Proteus syndrome, macrocephaly-autism syndrome, Cowden syndrome 1, Cowden disease, Proteus-like syndrome, leiomyosarcoma, activated PI3K-delta syndrome, PTEN hamartoma tumor syndrome, glioma susceptibility 2, renal cell carcinoma.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
PTEN | NM_000314.8 | c.670A>C | p.Ile224Leu | missense_variant | 7/9 | ENST00000371953.8 | NP_000305.3 | |
PTEN | NM_001304717.5 | c.1189A>C | p.Ile397Leu | missense_variant | 8/10 | NP_001291646.4 | ||
PTEN | NM_001304718.2 | c.79A>C | p.Ile27Leu | missense_variant | 7/9 | NP_001291647.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PTEN | ENST00000371953.8 | c.670A>C | p.Ile224Leu | missense_variant | 7/9 | 1 | NM_000314.8 | ENSP00000361021.3 |
Frequencies
GnomAD3 genomes AF: 0.00000657 AC: 1AN: 152122Hom.: 0 Cov.: 32
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GnomAD4 exome Cov.: 31
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GnomAD4 genome AF: 0.00000657 AC: 1AN: 152122Hom.: 0 Cov.: 32 AF XY: 0.00 AC XY: 0AN XY: 74312
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ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Uncertain
CADD
Uncertain
DANN
Uncertain
DEOGEN2
Uncertain
D;.
Eigen
Benign
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;D
M_CAP
Uncertain
D
MetaRNN
Uncertain
D;D
MetaSVM
Benign
T
MutationAssessor
Uncertain
M;.
PrimateAI
Pathogenic
T
PROVEAN
Benign
N;.
REVEL
Uncertain
Sift
Benign
T;.
Sift4G
Benign
T;T
Polyphen
B;.
Vest4
MutPred
Loss of sheet (P = 0.0104);.;
MVP
MPC
ClinPred
D
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
DS_AG_spliceai
Position offset: 19
Find out detailed SpliceAI scores and Pangolin per-transcript scores at