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LAMBD:TFA

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Species (Taxon ID) Escherichia phage lambda (Bacteriophage lambda). (10710)
Gene Name(s) tfa
Protein Name(s) Tail fiber assembly protein
External Links
UniProt P03740
EMBL J02459
PIR B43009
RefSeq NP_040605.1
IntAct P03740
GeneID 2703503
KEGG vg:2703503
OrthoDB VOG09000127
Proteomes UP000001711
GO GO:0019076
InterPro IPR003458
Pfam PF02413

Annotations

Qualifier GO ID GO term name Reference ECO ID ECO term name with/from Aspect Extension Notes Status
GO:0043815

phosphoribosylglycinamide formyltransferase 2 activity

PMID:333436[1]

ECO:0000314

F

Table 4: Assay B for TFA and the standard assay for RNA cyclization were carried out with 0.3 and 0.003 jig ofRNA ligase, respectively. Both tail fibers and RNA ligase were filtered through Sephadex G-50 before use. Extents of TFA and RNA cyclization were measured after 0, 15, 30, 60, 120, and 180 min. The rates observed in the complete reactions (k value for TFA = 0.008 min-') were set equal to 100.

complete
CACAO 5375

GO:0043815

phosphoribosylglycinamide formyltransferase 2 activity

PMID:333436[1]

ECO:0000315

F

Figure 1: The finding that gen.63 am mutations eliminate both TFA and RNA ligase activities suggests that both may reside in the protein gp63. This suggestion was proven correct in two ways. First, in amM69-infected supF host cells, both TFA and RNA ligase activities were shown to be markedly more heat labile than the corresponding activities in standard-type T4D-infected supF cells (Fig. 1). This result indicates that gp63 is responsible for both activities.

complete
CACAO 5374

involved_in

GO:0098004

virus tail fiber assembly

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-1246

P

Seeded From UniProt

complete

involved_in

GO:0098003

viral tail assembly

GO_REF:0000037

ECO:0000322

imported manually asserted information used in automatic assertion

UniProtKB-KW:KW-1245

P

Seeded From UniProt

complete

Notes

References

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  1. 1.0 1.1 Snopek, TJ et al. (1977) Bacteriophage T4 RNA ligase is gene 63 product, the protein that promotes tail fiber attachment to the baseplate. Proc. Natl. Acad. Sci. U.S.A. 74 3355-9 PubMed GONUTS page