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User:Hazardb

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Phage Hunters Spring 2016

My Annotations

StatusPageDate/TimeGO Term (Aspect)ReferenceEvidenceNotesLinks
unacceptableBPT7:Y772016-04-11 04:37:27 CDTGO:0039620 T=7 icosahedral viral capsid (C)PMID:17040895ECO:0000314 direct assay evidence used in manual assertion

This is a T7 capsid protein (gp10) that is used in combination with a enhanced yellow fluorescent protein (EYFP). The protein gp10 is with in a T7 phage. When combining this phage with the fluorescent protein, the phage only allows a proportion of the capsid protein to be used. In the paper they described out they made a frameshift that allowed bacterial ribosome to read the reading frame and hit a stop codon after the capsid protein. The frame then shifts to -1 and allows the bacterial ribosomes to continue reading the fluorescent protein. This creates T7 fluorescent phages that allow us to see the interaction between displayed proteins and their binding partners with in the T7 phage. The evidence is in figure 1 of the paper.

challenge
updatedbyinstructorAQUAE:O674502016-04-25 09:35:54 CDTGO:0032508 DNA duplex unwinding (P)PMID:24373746ECO:0000315 mutant phenotype evidence used in manual assertion

"When the dilated and constricted mutants were tested in a single-turnover, fork-unwinding assay with DnaC, the dilated mutant was able to produce ∼20% more unwound product as the wild-type helicase and did so at a slightly faster rate (Figure 5B). By contrast, while the constricted mutant could generate an amount of ssDNA comparable to that of wild-type DnaB, it took longer to do so (Figure 5B)."

challenge
unacceptable9CAUD:A4ZFB32016-04-27 09:21:29 CDTGO:0019028 viral capsid (This is the capsid protein in the bacteriophage 80alpha. In figure 3, D, it shows capsids being created with proteins starting at gp42 and ending at gp47 . This shows that this is the full capsid protein within the bacteriophage 80alpha. The protein goes on to describe how section D would not be possible if it did not contain gp47, leading to believe that this is the capsid protein. Basically if you put everything from gp42 to gp46 no capsid would form. )PMID:22980502IDA: Inferred from Direct Assay
challenge
updatedbyinstructor9CAUD:A4ZFB22016-05-06 09:26:34 CDTGO:0046806 viral scaffold (C)PMID:22980502ECO:0000315 mutant phenotype evidence used in manual assertion

As shown above, gp47 does not assemble efficiently in the absence of gp46 (Figs. 3A and 4).

challenge

acceptable:0
unacceptable:2
requires_changes:0
flagged:0

Annotations challenged by Hazardb

StatusAuthor,GroupPageGO Term (Aspect)ReferenceEvidenceLinksPage history
unacceptableCorneljl,
Team Phages Woo!
9CAUD:A0A024B145GO:0034061 - DNA polymerase activity (F)PMID:4622590ECO:0000314 direct assay evidence used in manual assertionchallengeC: 6
unacceptableNatjack1,
Team Green B
9CAUD:A0A0K2CZZ1GO:0004604 - phosphoadenylyl-sulfate reductase (thioredoxin) activity (F)GO_REF:0000100ECO:0000250 sequence similarity evidence used in manual assertionchallengeC: 3
unacceptableParadaje,
Team Go Dogs Go
9CAUD:A0A024AZS4GO:0097619 - PTEX complex (C)PMID:23012374ECO:0000315 mutant phenotype evidence used in manual assertionchallengeC: 5
unacceptableAmariam1,
Team You can't B. cereus
9CAUD:A0A0K2D089GO:0046798 - viral portal complex (C)PMID:18567664ECO:0000250 sequence similarity evidence used in manual assertionchallengeC: 3
unacceptableHoang5,
Team Purple A
9CAUD:A0A0K2D0M7GO:0008168 - methyltransferase activity (F)PMID:10615135ECO:0000314 direct assay evidence used in manual assertionchallengeC: 3

0 annotations fixed by Hazardb

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