TABLE 2.
Characterization of the genes of phage P22
Gene | Froma | Toa | Strand | Mass (kDa) | Function | Related phage sequencesb | BlastP e value | % Identity |
---|---|---|---|---|---|---|---|---|
gtrC | 17 | 1474 | − | 55.2 | O-antigen conversion; glucosyl transferase | |||
gtrB | 1464 | 2396 | − | 35.1 | O-antigen conversion; bactoprenol glucosyl transferase | AAB72133; SfV orf5 | e-139 | 87 |
AAC39272; SfII bgt | e-139 | 87 | ||||||
AF056939; SfX gtrB | e-138 | 85 | ||||||
gtrA | 2393 | 2755 | − | 13.5 | O-antigen conversion; translocase (flippase) | AF056939; SfX gtrA | 3e-44 | 78 |
AAB72134; SfV orf6 | 7e-43 | 77 | ||||||
AAC39271; SfII orf2 | 2e-42 | 77 | ||||||
int | 3104 | 4267 | − | 44.8 | Integrase | AAB72135; SfV int | 0 | 89 |
INTD_ECOLI, DLP12 int | e-162 | 71 | ||||||
F157835_38; APSE-1 int | e-149 | 63 | ||||||
xis | 4144 | 4494 | − | 12.8 | Excisionase | AAB72136; SfV xis | 9e-52 | 69 |
eac | 4497 | 5132 | − | 23.9 | Unknown | |||
eag | 5233 | 5412 | − | 6.6 | Unknown | |||
eaa | 5509 | 6462 | − | 35.7 | Unknown | BAA84359; VT2-Sa orf76 | 2e-22 | 26 |
F125520_78; 933W L0140 | 2e-22 | 28 | ||||||
eai | 6466 | 6660 | − | 7.0 | Unknown | |||
ead | 6657 | 7367 | − | 26.8 | Unknown | VE22_LAMBD; λ ea22 | 1e-13 | 31 |
eaf | 7247 | 7642 | − | 15.2 | Unknown | |||
eae | 7715 | 8212 | − | 18.1 | Unknown | |||
ORF-56 | 8200 | 8370 | − | 6.6 | Unknown | |||
abc2 | 8381 | 8674 | − | 11.6 | Anti-RecBCD protein | |||
abc1 | 8721 | 9005 | − | 10.9 | Anti-RecBCD protein | |||
erf | 9005 | 9622 | − | 23.0 | Recombination protein | AAD04639; H-19B erf | 4e-79 | 74 |
AAA92165; c2 e15 | 6e-17 | 32 | ||||||
arf | 9619 | 9762 | − | 5.5 | Recombination protein | |||
kil | 9752 | 9940 | − | 6.9 | Unknown | |||
c3 | 9921 | 10079 | − | 5.7 | Regulatory protein | RPC3_LAMBD; λ cIII | 4e-8 | 59 |
F125520_17; 933W cIII | 3e-7 | 57 | ||||||
17 | 10165 | 10476 | − | 12.2 | Superinfection exclusion | AAD04642; H-19B gp17 | 6e-50 | 84 |
ORF-67 | 10624 | 10827 | − | 7.8 | Unknown | |||
ORF-78 | 10827 | 11063 | − | 8.6 | Unknown | |||
ral | 11100 | 11294 | − | 7.4 | Antirestriction protein | VRAL_LAMBD; λ ral | 9e-22 | 73 |
VRAL_BPPH3; φ21 ral | 9e-22 | 62 | ||||||
sieB | 11509 | 12087 | + | 22.4 | Superinfection exclusion | |||
24 | 12108 | 12410 | − | 11.0 | Antitermination | CAA63998; L 24 | 5e-35 | 73 |
CAA60872; ES18 24 | 2e-31 | 64 | ||||||
c2 | 12764 | 13414 | − | 24.1 | Repressor | CAA63999; L c2 | 9e-57 | 53 |
S32822; 434 cI | 1e-51 | 49 | ||||||
RPC1_LAMBD; λ cI | 1e-27 | 35 | ||||||
BAA84306; VT2-Sa cI | 8e-26 | 33 | ||||||
cro | 13495 | 13680 | + | 6.8 | Antirepressor | CAB39982; 21 cro | 3e-28 | 98 |
c1 | 13787 | 14065 | + | 10.2 | Transcriptional activator | RPC2_BP434; 434 cII | 5e-19 | 48 |
RPC2_LAMBD; λ cII | 6e-19 | 48 | ||||||
ORF-48 | 14100 | 14246 | + | 5.8 | Unknown | S42399; HKO22 | 4e-17 | 85 |
18 | 14239 | 15054 | + | 30.6 | DNA replication | CAA60876; ES18 gp18 | 6e-24 | 29 |
AAD04647; H-19B gpO | 4e-22 | 29 | ||||||
AF125520_28; 933W gpO | 6e-22 | 28 | ||||||
12 | 15051 | 16427 | + | 50.1 | DNA replication (helicase) | CAA09719; P1 ban | 2e-55 | 32 |
BAA84310; VT2-Sa P | 2e-48 | 30 | ||||||
S43527; HKO22 P | 1e-40 | 27 | ||||||
ninB | 16501 | 16938 | + | 16.4 | Unknown | CAB39988; 21 ninB | 4e-77 | 97 |
Y146_LAMBD; λ orf146 | 1e-76 | 96 | ||||||
ninD | 16935 | 17108 | + | 7.0 | Unknown | Y57_LAMBD; λ orf57 | 7e-23 | 73 |
ninE | 17075 | 17251 | + | 72.0 | Unknown | BAA84316; VT2-Sa orf33 | 2e-29 | 95 |
CAB39989; 21 ninE | 9e-29 | 93 | ||||||
AAD04650; H-19B orf58 | 1e-28 | 97 | ||||||
NINE_LAMBD; λ ninE | 8e-28 | 92 | ||||||
ninX | 17248 | 17586 | + | 12.5 | Unknown | |||
ninF | 17579 | 17755 | + | 6.4 | Unknown | AAD04651; H-19B nin orf-58-B | 4e-26 | 95 |
Y56_LAMBD; λ orf56 | 5e-21 | 79 | ||||||
CAB39990; 21 ninF | 2e-20 | 79 | ||||||
ninG | 17748 | 18359 | + | 24 | Unknown | CAB39991; 21 ninG | e-112 | 94 |
Y204_LAMBD; λ orf204 | e-112 | 94 | ||||||
CAB39297; 933W orf15 | e-105 | 89 | ||||||
AAD04653; H-19B nin orf-204 | e-101 | 87 | ||||||
ninY | 18356 | 18580 | + | 8.6 | Unknown | |||
ninH | 18577 | 18780 | + | 7.9 | Unknown | Q1BP0L; λ nin | 8e-19 | 61 |
CAB39298; 933W orf16 | 2e-18 | 64 | ||||||
AAD04654; H-19B nin orf-59 | 2e-18 | 61 | ||||||
ninZ | 18761 | 18940 | + | 6.9 | Unknown | |||
23 | 18937 | 19560 | + | 22.3 | Antitermination | CAA09704; PS34 gp23 | e-112 | 95 |
REGQ_LAMBD; λ Q | e-112 | 95 | ||||||
S28977; HKO22 Q | e-112 | 95 | ||||||
13 | 19995 | 20321 | + | 11.7 | Lysis (holin) | VLYS_LAMBD; λ S | 2e-47 | 89 |
19 | 20302 | 20742 | + | 16.1 | Lysozyme | CAA47617.1; ES18 gp19 | 2e-75 | 97 |
AF157835_13; APSE-1 P13 | 4e-26 | 43 | ||||||
15 | 20877 | 21176 | + | 11.0 | Endopeptidase (Rz homologue) | CAA09707; PS34 gp15 | 4e-49 | 66 |
CAA09702; PS3 gp15 | 7e-46 | 60 | ||||||
BAA84330.1; V2T-Sa Rz | 3e-22 | 35 | ||||||
AF125520_47; 933W Rz | 5e-21 | 33 | ||||||
ORF-201 | 21326 | 21931 | + | 22.7 | Unknown | |||
ORF-80 | 22765 | 23007 | + | 9.0 | Unknown | |||
3 | 23212 | 23700 | + | 18.6 | Terminase (small subunit) | CAA09708; PS34 gp3 | 2e-90 | 96 |
CAA09703; PS3 gp3 | 5e-89 | 95 | ||||||
TERM_BPLP7; LP7 gp3 | 2e-88 | 94 | ||||||
2 | 23678 | 25177 | + | 57.6 | Terminase (large subunit) | VG2_BPLP7; LP7 gp2 | 0 | 75 |
1 | 25177 | 27354 | + | 82.7 | Portal protein | AF157835_19; APSE-1 P19 | 1e-96 | 32 |
8 | 27368 | 28279 | + | 33.6 | Scaffolding protein | |||
5 | 28279 | 29571 | + | 46.8 | Coat protein | |||
ORF-69 | 29610 | 29819 | + | 7.7 | Unknown (Y7K7_BPP22) | |||
4 | 29803 | 30303 | + | 18.0 | DNA stabilization protein | |||
10 | 30263 | 31681 | + | 52.5 | Packaged DNA stabilization protein | AF157835_28; APSE-1 P28 | e-174 | 60 |
26 | 31685 | 32386 | + | 24.7 | Packaged DNA stabilization protein | |||
14 | 32386 | 32841 | + | 17.2 | Unknown | |||
7 | 32844 | 33533 | + | 23.4 | DNA transfer protein | AF157835_32; APSE-1 P32 | 1e-61 | 53 |
20 | 33544 | 34959 | + | 50.1 | DNA transfer protein | |||
16 | 34959 | 36788 | + | 64.4 | DNA transfer protein | AF157835_35; APSE-1 P35 | 0.0 | 64 |
sieA | 36811 | 37305 | − | 18.7 | Superinfection exclusion | |||
ORF-59 | 37715 | 37894 | − | 6.4 | Unknown | |||
mnt | 37994 | 38245 | − | 9.7 | Regulatory protein | |||
arc | 38336 | 38497 | + | 6.2 | Repressor | |||
ant | 38566 | 39468 | + | 34.6 | Antirepressor | BAA84318.1; V2T-Sa ant | 9e-46 | 39 |
AF125520_46; 933W ant | 2e-27 | 27 | ||||||
9 | 39679 | 41682 | + | 71.9 | Tailspike protein (endorhamnosidase) | AF128887_1; Sf6 | 9e-44 | 28 |
AF157835_36; APSE-1 P36 | 3e-33 | 20 |
Nucleotide coordinates corresponding to the first nucleotide of the initiation codon and the last nucleotide of the termination codon.
Where similar sequences exist, the GenBank accession number is followed by the phage name and the gene designation.