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GO:00474434-hydroxy-4-methyl-2-oxoglutarate aldolase activityPMID:11826967IDA: Inferred from Direct Assay F
This annotation made on page: ECOLI:PROA
By: Cavana55 (group Team KEGGerators) on 2012-03-29 15:53:19 CDT.




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Entry TypeChallenging User,GroupTime/DateChallenge ReasonPoints/Assessment
ChallengeGrandhis,
Team King of All Cosmos
2012-04-05 11:21:32 CDT

1. This annotation was provided for the wrong organism. This aldolase activity of proA is correct, however, this is the case in Pseudamonas Ochraceae, not in E.coli. E.coli was simply used as a vector for overexpressing proA.

2. Figure 5(B) is the best figure that shows that the gene product of proA and the HMG aldolase enzyme are identical. However, this is not done by expression level, but by the molecular weight of the proteins. abouSDS-PAGE measures molecular weight.

3. It's also important to mention Table 3! This shows empirical evidence about the kinetic constants of the proA gene product (which they cite to be similar to those of the HMG aldolase of P.ochraceae in other papers where they have done studies on the isolated protein.)

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Mkline2012-04-12 14:41:46 CDTYou need to be an instructor to view these notes.Requires Changes