1s95
From Proteopedia
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|PDB= 1s95 |SIZE=350|CAPTION= <scene name='initialview01'>1s95</scene>, resolution 1.60Å | |PDB= 1s95 |SIZE=350|CAPTION= <scene name='initialview01'>1s95</scene>, resolution 1.60Å | ||
|SITE= | |SITE= | ||
| - | |LIGAND= <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, | + | |LIGAND= <scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene>, <scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene> |
| - | |ACTIVITY= [http://en.wikipedia.org/wiki/Phosphoprotein_phosphatase Phosphoprotein phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.16 3.1.3.16] | + | |ACTIVITY= <span class='plainlinks'>[http://en.wikipedia.org/wiki/Phosphoprotein_phosphatase Phosphoprotein phosphatase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.3.16 3.1.3.16] </span> |
|GENE= PPP5C, PPP5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]) | |GENE= PPP5C, PPP5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]) | ||
| + | |DOMAIN= | ||
| + | |RELATEDENTRY= | ||
| + | |RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1s95 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1s95 OCA], [http://www.ebi.ac.uk/pdbsum/1s95 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1s95 RCSB]</span> | ||
}} | }} | ||
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[[Category: Honkanen, R E.]] | [[Category: Honkanen, R E.]] | ||
[[Category: Swingle, M R.]] | [[Category: Swingle, M R.]] | ||
| - | [[Category: MN]] | ||
| - | [[Category: MPD]] | ||
| - | [[Category: PO4]] | ||
[[Category: metal ion]] | [[Category: metal ion]] | ||
[[Category: metallophosphoesterase]] | [[Category: metallophosphoesterase]] | ||
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[[Category: protein phosphatase]] | [[Category: protein phosphatase]] | ||
| - | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:38:55 2008'' |
Revision as of 20:39, 30 March 2008
| |||||||
| , resolution 1.60Å | |||||||
|---|---|---|---|---|---|---|---|
| Ligands: | , , | ||||||
| Gene: | PPP5C, PPP5 (Homo sapiens) | ||||||
| Activity: | Phosphoprotein phosphatase, with EC number 3.1.3.16 | ||||||
| Resources: | FirstGlance, OCA, PDBsum, RCSB | ||||||
| Coordinates: | save as pdb, mmCIF, xml | ||||||
Structure of serine/threonine protein phosphatase 5
Overview
Serine/threonine protein phosphatase-5 (PP5) affects many signaling networks that regulate cell growth and cellular responses to stress. Here we report the crystal structure of the PP5 catalytic domain (PP5c) at a resolution of 1.6 A. From this structure we propose a mechanism for PP5-mediated hydrolysis of phosphoprotein substrates, which requires the precise positioning of two metal ions within a conserved Asp271-M1:M2-W1-His427-His304-Asp274 catalytic motif (where M1 and M2 are metals and W1 is a water molecule). The structure of PP5c provides a structural basis for explaining the exceptional catalytic proficiency of protein phosphatases, which are among the most powerful known catalysts. Resolution of the entire C terminus revealed a novel subdomain, and the structure of the PP5c should also aid development of type-specific inhibitors.
About this Structure
1S95 is a Single protein structure of sequence from Homo sapiens. Full crystallographic information is available from OCA.
Reference
Structural basis for the catalytic activity of human serine/threonine protein phosphatase-5., Swingle MR, Honkanen RE, Ciszak EM, J Biol Chem. 2004 Aug 6;279(32):33992-9. Epub 2004 May 23. PMID:15155720
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