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User:Shabali1

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Phage Hunters Spring 2016

My Annotations

StatusPageDate/TimeGO Term (Aspect)ReferenceEvidenceNotesLinks
acceptableCORGL:Q8NP422016-04-10 02:07:23 CDTGO:0004309 exopolyphosphatase activity (F)PMID:19304823ECO:0000315 mutant phenotype evidence used in manual assertion

The deletion of ppx1 and ppx2 in C. glutamicum resulted in the decrease of exopolyphosphatase activity. Figure 1 shows that there was an accumulation of cellular PolyP mutated C. glutamicum cells versus wild type. This shows that the exopolyphosphatase protein serves as a regulatory protein of cellular PolyP

challenge
updatedbyinstructorCORGL:Q8NRR82016-04-11 04:28:29 CDTGO:0004309 exopolyphosphatase activity (F)PMID:19304823ECO:0000314 direct assay evidence used in manual assertion

Different amounts of PolyPs were added in chains in the medium containing the PPX2His (exopolyphosphatase with a His tag) to see if an increase in the length of the PolyP chain increased the activity if the PPX2 activity. According to the results in Figure 3, the increase in the length (from short to medium) increased the percent of activity. Therefore, the enzyme activity depends on the amount of cellular PolyP available.

challenge

acceptable:1
unacceptable:0
requires_changes:0
flagged:0

Annotations challenged by Shabali1

StatusAuthor,GroupPageGO Term (Aspect)ReferenceEvidenceLinksPage history
unacceptableOmololu1,
Team Blue B
9CAUD:A0A0K2D0J0GO:0000166 - nucleotide binding (F)PMID:17209017ECO:0000315 mutant phenotype evidence used in manual assertionchallengeC: 3

0 annotations fixed by Shabali1

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