6nuc

Structure of Calcineurin in complex with NHE1 peptideStructure of Calcineurin in complex with NHE1 peptide

Structural highlights

6nuc is a 3 chain structure. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:	, , , , ,
Activity:	Phosphoprotein phosphatase, with EC number 3.1.3.16
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[PP2BA_HUMAN] Calcium-dependent, calmodulin-stimulated protein phosphatase. This subunit may have a role in the calmodulin activation of calcineurin. Dephosphorylates DNM1L, HSPB1 and SSH1.^[1] ^[2] [SL9A1_HUMAN] Involved in pH regulation to eliminate acids generated by active metabolism or to counter adverse environmental conditions. Major proton extruding system driven by the inward sodium ion chemical gradient. Plays an important role in signal transduction.^[3] ^[4] ^[5] [CANB1_HUMAN] Regulatory subunit of calcineurin, a calcium-dependent, calmodulin stimulated protein phosphatase. Confers calcium sensitivity.

References

↑ Wang Y, Shibasaki F, Mizuno K. Calcium signal-induced cofilin dephosphorylation is mediated by Slingshot via calcineurin. J Biol Chem. 2005 Apr 1;280(13):12683-9. Epub 2005 Jan 24. PMID:15671020 doi:M411494200
↑ Cereghetti GM, Stangherlin A, Martins de Brito O, Chang CR, Blackstone C, Bernardi P, Scorrano L. Dephosphorylation by calcineurin regulates translocation of Drp1 to mitochondria. Proc Natl Acad Sci U S A. 2008 Oct 14;105(41):15803-8. doi:, 10.1073/pnas.0808249105. Epub 2008 Oct 6. PMID:18838687 doi:10.1073/pnas.0808249105
↑ Lin X, Barber DL. A calcineurin homologous protein inhibits GTPase-stimulated Na-H exchange. Proc Natl Acad Sci U S A. 1996 Oct 29;93(22):12631-6. PMID:8901634
↑ Pang T, Su X, Wakabayashi S, Shigekawa M. Calcineurin homologous protein as an essential cofactor for Na+/H+ exchangers. J Biol Chem. 2001 May 18;276(20):17367-72. Epub 2001 Feb 28. PMID:11350981 doi:http://dx.doi.org/10.1074/jbc.M100296200
↑ Pang T, Hisamitsu T, Mori H, Shigekawa M, Wakabayashi S. Role of calcineurin B homologous protein in pH regulation by the Na+/H+ exchanger 1: tightly bound Ca2+ ions as important structural elements. Biochemistry. 2004 Mar 30;43(12):3628-36. PMID:15035633 doi:http://dx.doi.org/10.1021/bi0360004

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OCA

[1] Wang Y, Shibasaki F, Mizuno K. Calcium signal-induced cofilin dephosphorylation is mediated by Slingshot via calcineurin. J Biol Chem. 2005 Apr 1;280(13):12683-9. Epub 2005 Jan 24. PMID:15671020 doi:M411494200

[2] Cereghetti GM, Stangherlin A, Martins de Brito O, Chang CR, Blackstone C, Bernardi P, Scorrano L. Dephosphorylation by calcineurin regulates translocation of Drp1 to mitochondria. Proc Natl Acad Sci U S A. 2008 Oct 14;105(41):15803-8. doi:, 10.1073/pnas.0808249105. Epub 2008 Oct 6. PMID:18838687 doi:10.1073/pnas.0808249105

[3] Lin X, Barber DL. A calcineurin homologous protein inhibits GTPase-stimulated Na-H exchange. Proc Natl Acad Sci U S A. 1996 Oct 29;93(22):12631-6. PMID:8901634

[4] Pang T, Su X, Wakabayashi S, Shigekawa M. Calcineurin homologous protein as an essential cofactor for Na+/H+ exchangers. J Biol Chem. 2001 May 18;276(20):17367-72. Epub 2001 Feb 28. PMID:11350981 doi:http://dx.doi.org/10.1074/jbc.M100296200

[5] Pang T, Hisamitsu T, Mori H, Shigekawa M, Wakabayashi S. Role of calcineurin B homologous protein in pH regulation by the Na+/H+ exchanger 1: tightly bound Ca2+ ions as important structural elements. Biochemistry. 2004 Mar 30;43(12):3628-36. PMID:15035633 doi:http://dx.doi.org/10.1021/bi0360004

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