Table 1.

Components of Bacteriophage P22 and Their Masses^a

	component	mass (Da)	copies	total mass (Da)
dsDNA	genome + 1600 bp	26 768 698	1	26 768 698
capsid	coat protein, gp5	46 621	415	19 347 715
tail machine	portal protein, gp1	82 612	12	2 889 621
	plug protein, gp4	18 025	12
	tailspike protein, gp9	71 857	18
	plug protein, gp10	52 457	6
	tail needle protein, gp26	24 603	3
ejection proteins	gp7	21 093	(11)	2 607 551
	gp16	64 358	(12)
	gp20	50 101	(32)
total mass of intact virion (Da)				51 613 585

^aReproduced with permission from ref 198. Copyright 2016 John Wiley and Sons.