Difference between revisions of "Phosphatase Superfamily CC2"
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| − | [[Phosphatase classification|Phosphatase Classification]]: [[Phosphatase_Superfamily_CC2|Superfamily CC2]] | + | [[Phosphatase classification|Phosphatase Classification]]: [[Phosphatase_Fold_CC2|Fold CC2]]: [[Phosphatase_Superfamily_CC2|Superfamily CC2]] |
This superfamily has a unique fold, but shares the common CX5R catalytic motif with another two cysteine-based superfamilies, [[Phosphatase_Superfamily_CC1|CC1]] and [[superfamily CC3]]. | This superfamily has a unique fold, but shares the common CX5R catalytic motif with another two cysteine-based superfamilies, [[Phosphatase_Superfamily_CC1|CC1]] and [[superfamily CC3]]. | ||
Revision as of 23:02, 31 December 2014
Phosphatase Classification: Fold CC2: Superfamily CC2
This superfamily has a unique fold, but shares the common CX5R catalytic motif with another two cysteine-based superfamilies, CC1 and superfamily CC3.
The superfamily consists of two member families present in human low molecular weight PTP (LWMPTP) and SSU72. Despite having only 15% sequence identity, human LMWPTP and SSU72 structures superimpose with an rmsd of 1.7 Å [1].
A third family, arsenate reductase (ArsC) [2], is only found in prokaryotes. While known to reduce arsenate to arsenite (a similar reaction to the phosphatase reaction), the B. subtilis gene also has in vitro phosphatase activity. A different phosphatase fold, CDC25/Rhodanese also has members in plants and yeast (ACR2) that are capable of arsenate reductase activity, highlighting the similarity of the protein phosphatase and arsenate reductase activities.
Reference
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