A Functional Dissection of PTEN N-Terminus: Implications in PTEN Subcellular Targeting and Tumor Suppressor Activity
[Paper-level Aggregated] PMCID: PMC4398541
Evidence Type(s): Functional
Summary: Mutation: L23F | Summary: The L23F mutation showed increased nuclear localization of PTEN and displayed compromised/partial PIP3 catalytic activity in yeast, indicating alterations in molecular function related to subcellular localization and enzymatic activity.
Evidence Type: Functional Mutation: M35R | Summary: The M35R mutation demonstrated increased nuclear localization of PTEN and resulted in a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: G36R | Summary: The G36R mutation resulted in increased nuclear localization of PTEN and caused a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: K13E | Summary: The K13E mutation fully abrogated the nuclear accumulation of PTEN 1-375 and resulted in a total loss of phosphatase activity in vivo, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: A34D | Summary: The A34D mutation fully abrogated the nuclear accumulation of PTEN 1-375 and caused a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: L42P | Summary: The L42P mutation fully abrogated the nuclear accumulation of PTEN 1-375 and caused a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: R15I | Summary: The R15I mutation caused a partial inhibition of nuclear accumulation of PTEN and resulted in a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: R15S | Summary: The R15S mutation resulted in a partial inhibition of nuclear accumulation of PTEN and caused a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: D24Y | Summary: The D24Y mutation caused a partial inhibition of nuclear accumulation of PTEN and resulted in a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: I33S | Summary: The I33S mutation resulted in a partial inhibition of nuclear accumulation of PTEN and caused a total loss of PTEN activity in a yeast model, indicating significant alterations in its molecular function.
Evidence Type: Functional Mutation: S10N | Summary: The S10N mutation did not significantly alter the nuclear/cytoplasmic distribution of PTEN and partially reduced PTEN activity in a yeast model, suggesting no functional change.
Evidence Type: Functional Mutation: Y16C | Summary: The Y16C mutation did not significantly alter the nuclear/cytoplasmic distribution of PTEN and partially reduced PTEN activity in a yeast model, indicating a moderate alteration in molecular function.
Evidence Type: Functional Mutation: A34V | Summary: The A34V mutation did not significantly alter the nuclear/cytoplasmic distribution of PTEN and partially reduced PTEN activity in a yeast model, indicating a moderate alteration in molecular function.
Evidence Type: Functional Mutation: A39V | Summary: The A39V mutation alters the nuclear accumulation of PTEN and resulted in a complete loss-of-function of PTEN's PIP3 phosphatase activity, suggesting it alters molecular function.
Evidence Type: Functional Mutation: D19A | Summary: The D19A mutation affects the cytoplasmic localization of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: G20A | Summary: The G20A mutation influences the cytoplasmic localization of PTEN, indicating a change in its molecular function.
Evidence Type: Functional Mutation: F21A | Summary: The F21A mutation impacts the cytoplasmic localization of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: K13A | Summary: The K13A mutation inhibits nuclear entry of PTEN, indicating a change in its molecular function related to localization.
Evidence Type: Functional Mutation: R14A | Summary: The R14A mutation inhibits nuclear entry of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: R15A | Summary: The R15A mutation inhibits nuclear entry of PTEN and resulted in a complete loss-of-function of PTEN's PIP3 phosphatase activity, indicating an alteration in molecular function.
Evidence Type: Functional Mutation: E18A | Summary: The E18A mutation inhibits nuclear accumulation of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: D24A | Summary: The D24A mutation inhibits nuclear entry of PTEN and led to a complete loss-of-function of PTEN's PIP3 phosphatase activity, indicating a change in biochemical function.
Evidence Type: Functional Mutation: Y16A | Summary: The Y16A mutation inhibits nuclear entry of PTEN and displayed a complete loss-of-function in PTEN's PIP3 phosphatase activity, suggesting it alters molecular function.
Evidence Type: Functional Mutation: Y27A | Summary: The Y27A mutation inhibits nuclear entry of PTEN, indicating a change in its molecular function.
Evidence Type: Functional Mutation: I28A | Summary: The I28A mutation inhibits nuclear entry of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: N31A | Summary: The N31A mutation inhibits nuclear entry of PTEN and did not affect PIP3 catalytic activity in yeast, suggesting a change in molecular function.
Evidence Type: Functional Mutation: I32A | Summary: The I32A mutation inhibits nuclear entry of PTEN and resulted in a complete loss-of-function of PTEN's PIP3 phosphatase activity, reflecting an alteration in molecular function.
Evidence Type: Functional Mutation: I33A | Summary: The I33A mutation inhibits nuclear entry of PTEN and partially compromised PTEN activity, indicating an alteration in molecular function.
Evidence Type: Functional Mutation: P30A | Summary: The P30A mutation inhibits nuclear entry of PTEN, suggesting an alteration in its molecular function.
Evidence Type: Functional Mutation: N12A | Summary: The N12A mutation inhibits nuclear accumulation of PTEN, indicating a change in its molecular function.
Evidence Type: Functional Mutation: M35A | Summary: The M35A mutation inhibits nuclear accumulation of PTEN and caused a complete loss-of-function of PTEN's PIP3 phosphatase activity, indicating a change in biochemical function.
Evidence Type: Functional Mutation: L42A | Summary: The L42A mutation abrogated both nuclear accumulation and PIP3 phosphatase activity of PTEN, indicating a change in molecular function.
Evidence Type: Functional Mutation: K13R | Summary: The K13R mutation alters the nuclear localization of PTEN and enhances its ability to counteract PI3K activity in a yeast model.
Evidence Type: Functional Mutation: R14K | Summary: The R14K mutation affects the nuclear localization of PTEN and maintains its phosphatase activity in vivo.
Evidence Type: Functional Mutation: R15K | Summary: The R15K mutation increases the nuclear accumulation of PTEN but does not display phosphatase activity in vivo.
Gene→Variant (gene-first): PTEN(5728):L23F PTEN(5728):M35R PTEN(5728):G36R PTEN(5728):K13E PTEN(5728):A34D PTEN(5728):L42P PTEN(5728):R15I PTEN(5728):R15S PTEN(5728):D24Y PTEN(5728):I33S PTEN(5728):S10N PTEN(5728):Y16C PTEN(5728):A34V PTEN(5728):A39V ACTG1(71):D19A PTEN(5728):G20A PTEN(5728):F21A PTEN(5728):K13A AAA1(100329167):R14A PTEN(5728):R15A PTEN(5728):E18A PTEN(5728):D24A PTEN(5728):Y16A PTEN(5728):Y27A PTEN(5728):I28A PTEN(5728):N31A PTEN(5728):I32A PTEN(5728):I33A PTEN(5728):P30A PTEN(5728):N12A PTEN(5728):M35A PTEN(5728):L42A PTEN(5728):K13R AAA1(100329167):R14K PTEN(5728):R15K
Genes: PTEN(5728) ACTG1(71) AAA1(100329167)
Variants: L23F M35R G36R K13E A34D L42P R15I R15S D24Y I33S S10N Y16C A34V A39V D19A G20A F21A K13A R14A R15A E18A D24A Y16A Y27A I28A N31A I32A I33A P30A N12A M35A L42A K13R R14K R15K