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PMID:6827651

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Citation

Parker, ML and Eiserling, FA (1983) Bacteriophage SPO1 structure and morphogenesis. III. SPO1 proteins and synthesis. J. Virol. 46:260-9

Abstract

The virion proteins of SPO1 have been determined by sodium dodecyl sulfate-polyacrylamide gel electrophoresis methods on purified phage components and on phage lysates. The phage head contains 16 proteins, and the connector or neck structure has an additional 3 proteins not found in the head. The proximal part of the tail, composed of sheath, tube and connecting components, contains six proteins. The distal baseplate is the most complex structure, with 28 proteins identifiable on sodium dodecyl sulfate gels. The maximum number of proteins found in phage subassemblies is 53, which would account for nearly half the coding capacity of the SPO1 genome.

Links

PubMed PMC255115

Keywords

Autoradiography; Bacteriophages/analysis; Electrophoresis, Polyacrylamide Gel; Microscopy, Electron; Molecular Weight; Viral Proteins/analysis; Viral Proteins/biosynthesis

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

BPSP1:TSP

GO:0098015: virus tail

ECO:0000314:

C

Fig 3. Shows the abundance of T3 and other SPO1 tail proteins through gel electrophoresis. T3 is determined to be the tail sheath protein because it is the most abundant protein, next to T6 which is smaller and determined to be the tail core.

complete
CACAO 11621

BPSP1:B6V2P5

GO:0098026: virus tail, tube

IDA: Inferred from Direct Assay:

C

In Figure 3, a protein gel was run on Bacillus phage SP01 tails. Two proteins were identified (look at the T section of the gel), T3 and T6. T6 is identified as a core protein and is said to be a very abundant small protein in tails. This implies that T6 is a tail core protein, which is otherwise known as a tail tube.

complete
CACAO 11957


Notes

See also

References

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