Viral tail assembly

Siphoviridae and Myoviridae tail and head assemblies occur independently. Tail assembly follows a sequential order . The tail measure protein (or tape measure protein, ruler) determines the length of Sipho- and Myoviridae tails .

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Tail tube protein polymerization starts from baseplate assembly. The tail measure protein possibly assembles with tail assembly chaperones, and the resulting complex interacts with baseplate to form the tail initiator. Tail tube protein polymerizes on this template and displaces the chaperones thereby creating the tube. It is unclear whether the tail measure protein is trapped inside.Once polymerization of the cylindrical part(s) of the tail has reached the expected length, terminator proteins stop the polymerization . In the phage lambda, the TMP is matured.

In many viruses, the tail assembly gene is expressed through a programmed translational frameshift and gives rise to two chaperone proteins with overlapping sequences .

Matching UniProtKB/Swiss-Prot entries

90 entries grouped by strain (browse by keywords)

17 entries

Enterobacteria phage T4 (Bacteriophage T4) reference strain

Select_allDeselect_all
TMP_BPT4 Tape measure protein (TMP) (Gene product 29) (gp29) (Tail length regulator)
TFA_BPT4 Tail fiber assembly protein (Gene product 38) (gp38) (Receptor recognizing protein)
TAP51_BPT4 Baseplate hub assembly protein gp51 (Gene product 51) (gp51) (Hub assembly chaperone gp51) (Tail ...
NEEDL_BPT4 Pre-baseplate central spike protein Gp5 (Pre-Gp5) (Peptidoglycan hydrolase gp5) (EC 3.2.1.17) ...
GP57_BPT4 Tail fiber assembly helper protein (Gene product 57) (gp57)
BP48_BPT4 Baseplate tail-tube junction protein gp48 (Baseplate-tube cap) (Gene product 48) (gp48)
BP27_BPT4 Baseplate central spike complex protein gp27 (Gene product 27) (gp27) (Hub protein 27)
BP54_BPT4 Baseplate tail-tube junction protein gp54 (Gene product 54) (gp54)
GP28_BPT4 Baseplate hub assembly protein gp28 (Gene product 28) (gp28)
GP26_BPT4 Baseplate hub assembly protein gp26 (Gene product 26) (gp26) (Hub protein 26)
BP09_BPT4 Baseplate protein gp9 (Gene product 9) (gp9)
BP06_BPT4 Baseplate wedge protein gp6 (Gene product 6) (gp6)
BP10_BPT4 Baseplate wedge protein gp10 (Gene product 10) (gp10)
BP07_BPT4 Baseplate wedge protein gp7 (Gene product 7) (gp7)
BP53_BPT4 Baseplate wedge protein gp53 (Gene product 53) (gp53)
BP08_BPT4 Baseplate wedge protein gp8 (Gene product 8) (gp8)
BP11_BPT4 Baseplate wedge protein gp11 (Gene product 11) (gp11)

13 entries

Escherichia phage Mu (Bacteriophage Mu) reference strain

Select_allDeselect_all
TAP_BPMU Probable tail assembly protein gp41 (Gene product 41) (gp41) (Tail assembly chaperone)
TAPFS_BPMU Probable tail assembly protein FS-gp41
U1_BPMU Tail fiber assembly protein U (Gene product 50) (gp50) (Gene product U) (gpU)
GP38_BPMU Putative sheath terminator protein (Gene product 38) (gp38)
BP46_BPMU Baseplate protein gp46 (Gene product 46) (gp46) (Gene product V) (gpV)
CIRCN_BPMU DNA circularization protein N (64 kDa virion protein) (Gene product 43) (gp43) (Gene product N) ...
BP48_BPMU Baseplate protein gp48 (Gene product 48) (gp48) (Gene product R) (gpR)
BP45_BPMU Baseplate puncturing device gp45 (Baseplate spike protein) (Gene product 45) (gp45) (Gene product Q) ...
BP44_BPMU Baseplate hub protein gp44 (43 kDa tail protein) (Gene product 44) (gp44) (Gene product P) (gpP)
BP47_BPMU Baseplate protein gp47 (Gene product 47) (gp47) (Gene product W) (gpW)
TMP_BPMU Probable tape measure protein (TMP) (Gene product 42) (gp42) (Gene product Y) (gpY)
U2_BPMU Tail fiber assembly protein U' (Gene product U') (gpU')
TRP_BPMU Probable tail terminator protein (TrP) (Gene product 37) (gp37) (Gene product K) (gpK)

11 entries

Escherichia phage lambda (Bacteriophage lambda) reference strain

Select_allDeselect_all
TIPJ_LAMBD Tip attachment protein J (Central tail fiber) (Host specificity protein J)
TIPI_LAMBD Tail tip assembly protein I
TTTP_LAMBD Tail tube terminator protein (TrP) (Gene product U) (gpU) (Minor tail protein U) (Tail ...
TMP_LAMBD Tape measure protein (TMP) (Gene product H) (gpH) (Minor tail protein H) [Cleaved into: Entry ...
TUBE_LAMBD Tail tube protein (TTP) (Gene product V) (gpV) (Major tail protein V)
GT_LAMBD Tail assembly protein GT (Gene product 15) (gp15) (Gene product GT) (gpGT) (Minor tail protein GT)
G_LAMBD Tail assembly protein G (Gene product G) (gpG) (Minor tail protein G) (Tail assembly chaperone) ...
TIPK_LAMBD Tail tip assembly protein K (Probable endopeptidase) (EC 3.4.-.-) (Tail assembly protein K)
TIPL_LAMBD Tail tip protein L
TIPM_LAMBD Tail tip protein M
TFA_LAMBD Tail fiber assembly protein

7 entries

Escherichia phage N15 (Bacteriophage N15) reference strain

Select_allDeselect_all
TIPI_BPN15 Tail tip assembly protein I (Gene product 20) (gp20)
TIPL_BPN15 Tail tip protein L (Gene product 18) (gp18)
TMP_BPN15 Tape measure protein (TMP) (Gene product 16) (gp16)
TIPK_BPN15 Tail tip assembly protein K (Gene product 19) (gp19) (Probable endopeptidase) (EC 3.4.-.-) (Tail ...
TTTP_BPN15 Tail tube terminator protein (TrP) (Gene product 12) (gp12) (Tail-to-head joining protein) (THJP)
GT_BPN15 Tail assembly protein GT (Gene product 15) (gp15) (Gene product GT) (gpGT) (Minor tail protein GT)
G_BPN15 Tail assembly protein G (Gene product 14) (gp14) (Gene product G) (gpG) (Minor tail protein G) (Tail ...

7 entries

Escherichia phage P2 (Bacteriophage P2) reference strain

Select_allDeselect_all
SPIKE_BPP2 Spike protein (Baseplate assembly protein gpV) (Gene V protein) (GpV)
TMP_BPP2 Probable tape measure protein (TMP) (Gene product T) (gpT)
TAP_BPP2 Tail assembly protein E (Gene product E) (gpE) (Tail assembly chaperone) (TAC)
TAPFS_BPP2 Tail assembly protein E' (Gene product E') (gpE') (Tail assembly chaperone) (TAC)
BPW_BPP2 Baseplate protein W (Gene W protein) (GpW)
BPI_BPP2 Baseplate protein I (Gene I protein) (GpI)
TFA_BPP2 Probable tail fiber assembly protein (GpG)

3 entries

Escherichia phage T5 (Enterobacteria phage T5) reference strain

Select_allDeselect_all
TTTP_BPT5 Tail tube terminator protein (TrP) (Tail protein p142) (Tail-to-head joining protein) (THJP)
TMP_BPT5 Probable tape measure protein (Tail protein pb2)
COMPL_BPT5 Tail completion protein (Tail protein p143)

3 entries

Lactococcus phage SK1 (Lactococcus lactis bacteriophage SK1) reference strain

Select_allDeselect_all
GP12_BPLSK Chaperone protein gp12 (Gene product 12) (gp12) (Probable chaperone protein gp12)
TTTP_BPLSK Probable tail terminator protein (Gene product 10) (gp10)
TMP_BPLSK Probable tape measure protein (TMP) (Gene product 14) (gp14)

3 entries

Lactococcus phage p2 (Lactococcus lactis bacteriophage p2) reference strain

Select_allDeselect_all
GP12_BPLP2 Chaperone protein gp12 (Gene product 12) (gp12)
TMP_BPLP2 Probable tape measure protein (TMP) (Gene product 14) (gp14)
TTTP_BPLP2 Probable tail terminator protein (Gene product 10) (gp10)

2 entries

Bacillus phage SPP1 (Bacteriophage SPP1) reference strain

Select_allDeselect_all
TMP_BPSPP Tail tape measure protein gp18 (Gene product 18) (gp18)
COMPL_BPSPP Tail completion protein gp17 (Gene product 17) (gp17) (Head-tail joining protein gp17) (Tail-to-head ...

2 entries

Escherichia phage P1 (Bacteriophage P1) reference strain

Select_allDeselect_all
U2_BPP1 Tail fiber assembly protein U' (Gene product U') (gpU')
U1_BPP1 Tail fiber assembly protein U (Gene product U) (gpU)

2 entries

Mycobacterium phage D29 (Mycobacteriophage D29) reference strain

Select_allDeselect_all
VG24_BPMD2 Tail assembly protein Gp24 (Gene product 24) (Gp24) (Minor tail protein Gp24)
TAP25_BPMD2 Tail assembly protein Gp25 (Gene 25 protein) (Gp25)

2 entries

Mycobacterium phage L5 (Mycobacteriophage L5) reference strain

Select_allDeselect_all
VG24_BPML5 Tail assembly protein Gp24 (Gene product 24) (Gp24) (Minor tail protein Gp24)
TAP25_BPML5 Tail assembly protein Gp25 (Gene 25 protein) (Gp25)

1 entry

Acyrthosiphon pisum secondary endosymbiont phage 1 (Bacteriophage APSE-1) reference strain

TFA_BPAPS Probable tail fiber assembly protein (P37)

1 entry

Bacillus phage PZA (Bacteriophage PZA) reference strain

GP13_BPPZA Morphogenesis protein 1 (Gene product 13) (gp13) (Protein p13) [Includes: Lysozyme-like glycosidase ...

1 entry

Bacillus phage SPbeta (Bacillus phage SPBc2) (Bacteriophage SP-beta) reference strain

TMP_BPSPB Probable tape measure protein (TMP) (Transglycosylase) (EC 4.2.2.n1)

1 entry

Bacillus phage phi29 (Bacteriophage phi-29) reference strain

GP13_BPPH2 Morphogenesis protein 1 (Gene product 13) (gp13) (Protein p13) [Includes: Lysozyme-like glycosidase ...

1 entry

Burkholderia phage BcepMu (isolate -/United States/Summer/2002) (Bacteriophage BcepMu) reference strain

TMP_BPBMU Probable tape measure protein (TMP) (Gene product 44) (gp44)

1 entry

Clostridium phage phiCD119 (strain Clostridium difficile/United States/Govind/2006) (Bacteriophage phiCD119) reference strain

TMP_BPPCD Probable tape measure protein (TMP)

1 entry

Escherichia phage T1 (Bacteriophage T1) reference strain

TMP_BPT1 Tape measure protein (TMP) (Gene product 38) (gp38)

1 entry

Escherichia phage T7 (Bacteriophage T7) reference strain

GP73_BPT7 Protein 7.3 (Gene product 7.3) (Gp7.3)

1 entry

Haemophilus phage HP1 (strain HP1c1) (Bacteriophage HP1) reference strain

TMP_BPHC1 Probable tape measure protein (TMP) (Gene product 27) (gp27)

1 entry

Halomonas phage phiHAP-1 (isolate -/Gulf of Mexico/-/2001) (Bacteriophage phiHAP-1) reference strain

TMP_BPHA1 Probable tape measure protein (TMP) (Gene product 23) (gp23)

1 entry

Lactococcus phage c2 reference strain

TMP_BPLC2 Probable tape measure protein (TMP) (Gene product 110) (gp110)

1 entry

Pneumococcus phage Dp-1 (Bacteriophage Dp-1) reference strain

TMP_BPDP1 Tape measure protein (TMP)

1 entry

Pseudomonas phage PAJU2 reference strain

TMP_BPPAJ Tape measure protein (TMP) (ORF10 protein) (Structural protein 1)

1 entry

Salmonella phage Felix O1 (isolate Felix O1-VT1) (Bacteriophage Felix O1) reference strain

TMP_BPFO1 Probable tape measure protein (TMP)

1 entry

Shigella phage SfV (Shigella flexneri bacteriophage V) (Bacteriophage SfV) reference strain

TFA_BPSF5 Probable tail fiber assembly protein (P37)

1 entry

Streptomyces phage phiC31 (Bacteriophage phi-C31) reference strain

TMP_BPPHC Probable tape measure protein (TMP) (Gene product 43) (gp43)

1 entry

Vibrio phage KVP40 (isolate Vibrio parahaemolyticus/Japan/Matsuzaki/1991) (KVP40) (Bacteriophage KVP40) reference strain

NEEDL_BPKVM Protein Gp5

1 entry

Enterobacteria phage T3 (Bacteriophage T3)

GP73_BPT3 Protein 7.3 (Gene product 7.3) (Gp7.3) (Host specificity protein B)