BPSPP:PORTL

Species (Taxon ID)	Bacillus phage SPP1 (Bacteriophage SPP1). (10724)
Gene Name(s)	6 (synonyms: siz)
Protein Name(s)	Portal protein GP6 Portal vertex protein
External Links
UniProt	P54309
EMBL	X56064 X97918
PIR	S21805
RefSeq	NP_690661.1
PDB	2JES
PDBsum	2JES
ProteinModelPortal	P54309
SMR	P54309
GeneID	955279
EvolutionaryTrace	P54309
Proteomes	UP000002559
GO	GO:0046729 GO:0019012
InterPro	IPR021145 IPR006428
Pfam	PF05133
TIGRFAMs	TIGR01538

Annotations

Qualifier	GO ID	GO term name	Reference	ECO ID	ECO term name	with/from	Aspect	Extension	Notes	Status
	GO:0019012	virion	PMID:16899078	ECO:0000314			C		Figure 2.	complete CACAO 6842
	GO:0046729	viral procapsid	PMID:14763972	ECO:0000314			C		Figure 2.	complete CACAO 6844
	GO:0019012	virion	PMID:9180375	ECO:0000314			C		Figure 4-A.	complete CACAO 6861
	GO:0098006	viral DNA genome packaging, headful	PMID:15110523	ECO:0000315			P		Table 2 demonstrates gp6 single amino acid substitutions affecting the packaging of sizX chromosome.	complete CACAO 11418
	GO:0046798	viral portal complex	PMID:8467790	ECO:0000314			C		"In this model one full 3600 rotation of the portal protein corresponds to inserting 65 bp of dsDNA at the expense of a minimum of 32.5 ATPs, if it is assumed that each equivalent unitary interaction between the two structures is coupled to one ATP hydrolysis reaction and leads to the translocation of 2 bp (Figure 3d-e). Furthermore, the model predicts (Figure 4) that the portal protein subunits are activated in the order: 1, 4, 7, 10, 13, 3, 6, 9, 12, 2, 5, 8, 11, 1, etc., thereby equally employing all subunits of the portal structure during the translocation process."	complete CACAO 11419
	GO:0019073	viral DNA genome packaging	PMID:15110523	ECO:0000315			P		Figure 3 demonstrates "Arrowheads show the mature DNA produced upon complementation with the sizX allele (1), mature DNA resulting from background effects under our experimental conditions (see text) (2), DNA packaged in presence of gp6 mutant forms that caused a low efficiency phenotype (3), and DNA packaged in presence of a gp6Siz mutant protein (4)."	complete CACAO 11556
	GO:0046729	viral procapsid	PMID:14763972	ECO:0000314			C		Figure 3 indicates that gp13 within phage SPP1 functions as a major capsid protein. The protein composition of purified procapsids was checked by SDS-PAGE stained with Coomassie blue to confirm the presence of the major procapsid proteins gp11 (scaffolding protein) and gp13 (major capsid protein).	complete CACAO 12922
part_of	GO:0046798	viral portal complex	PMID:14763972	ECO:0000314	direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
part_of	GO:0046729	viral procapsid	PMID:14763972	ECO:0000314	direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
part_of	GO:0019012	virion	PMID:9180375	ECO:0000314	direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
part_of	GO:0019012	virion	PMID:16899078	ECO:0000314	direct assay evidence used in manual assertion		C		Seeded From UniProt	complete
involved_in	GO:0099001	viral genome ejection through host cell envelope, long flexible tail mechanism	GO_REF:0000037	ECO:0000322	imported manually asserted information used in automatic assertion	UniProtKB-KW:KW-1243	P		Seeded From UniProt	complete
part_of	GO:0019028	viral capsid	GO_REF:0000037	ECO:0000322	imported manually asserted information used in automatic assertion	UniProtKB-KW:KW-0167	C		Seeded From UniProt	complete
part_of	GO:0019012	virion	GO_REF:0000037 GO_REF:0000039	ECO:0000322	imported manually asserted information used in automatic assertion	UniProtKB-KW:KW-0946 UniProtKB-SubCell:SL-0274	C		Seeded From UniProt	complete
involved_in	GO:0046718	viral entry into host cell	GO_REF:0000037 GO_REF:0000037	ECO:0000322	imported manually asserted information used in automatic assertion	UniProtKB-KW:KW-1160 UniProtKB-KW:KW-1162	P		Seeded From UniProt	complete
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References

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