Skip to main content

Table 1 Tail proteins listed in the order of assembly into the complete tail 172425.

From: Morphogenesis of the T4 tail and tail fibers

Protein Monomer mass (kDa) Oligomeric state in solution Number of monomer copies in the tail Location and remarks Protein Data Bank accession code
gp11 23.7 Trimer 18 Wedge, STF# binding interface 1EL6
gp10 66.2 Trimer 18 Wedge, STF attachment 2FKK
gp7 119.2 Monomer 6 Wedge  
gp8 38.0 Dimer 12 Wedge 1N7Z
gp6 74.4 Dimer 12 Wedge 3H2T
gp53 23.0 ND* 6 Wedge  
gp25 15.1 Dimer$ 6 Wedge  
gp5 63.7 Trimer 3 Hub 1K28
gp27 44.4 Trimer 3 Hub 1K28
gp29 64.4 ND 3 Hub, tail tube, Tape measure  
gp28 17.3 ND 1‡ Hub; the tip of gp5 needle?  
gp9 31.0 Trimer 18 Wedge, LTF attachment site 1S2E
gp12 55.3 Trimer 18 Baseplate outer rim, STF 1H6W, 1OCY
gp48 39.7 ND 6 Baseplate-tail tube junction  
gp54 35.0 ND 6 Baseplate-tail tube junction  
gp19 18.5 Polymer 138 Tail tube  
gp3 19.7 Hexamer 6 Tail tube terminator  
gp18 71.2 Polymer 138 Tail sheath 3FOA
gp15 31.4 Hexamer 6 Tail terminator  
  1. # STF, short tail fiber.
  2. * ND, not determined.
  3. $ P.G. Leiman, unpublished data.
  4. LTF, long tail fiber.
  5. ‡ Copy number and presence in the tail are uncertain.