Table 3.
Core proteins of T4-like phages identified within the CBB genome with full length sequence comparison to homologs in Enterobacter phage T4 and Vibrio phage KVP40 (reference strains of T4likevirus and Schizot4likevirus, respectively) using BLASTP.
| Function | T4 like core protein | CBB homolog | Accession number of T4 protein | Identity (%) | E-value | Accession number of KVP4D protein | Identity (%) | E-value |
|---|---|---|---|---|---|---|---|---|
| DNA replication, repair and recombination | gp43 - DNA polymerase | CBB_263 | NP_049662.1 | 28 | 4.00E-26 | NP_899330.1 | 29 | 4.00E-37 |
| gp44- sliding clamp complex | CBB_332 | NP_049665.1 | 30 | 6.00E-28 | NP_899326.1 | 27 | 5.00E-25 | |
| gp41- helicase-primase complex | CBB_291 | NP_049654.1 | 25 | 1.00E-21 | NP_899258.1 | 25 | 4.00E-28 | |
| gp32 - single strand binding protein | CBB_277 | NP_049854.1 | 29 | 3.00E-08 | NP_899253.1 | 23 | 0.005 | |
| gp46 - subunits of recombination nuclease | CBB_246 | NP_049669.1 | 31 | 1.00E-23 | NP_899322.1 | 30 | 3.00E-21 | |
| gp47 - subunits of recombination nuclease | CBB_245 | NP_049672.1 | 25 | 6.00E-17 | NP_899320.1 | 24 | 8.00E-14 | |
| UvsW protein - recombination DNA-RNA helicase | CBB_281 | NP_049796.1 | 23 | 3.00E-29 | NP_899623.1 | 27 | 6.00E-46 | |
| Auxiliary metabolism | NrdA - ribonucleotide reductase | CBB_303 | NP_049845.1 | 46 | 0 | NP_899523.1 | 47 | 0 |
| NrdB - ribonucleotide reductase | CBB_305 | NP_049841.1 | 40 | 3.00E-105 | NP_899524.1 | 45 | 9.00E-122 | |
| Phage morphogenesis | gp4 - head completion protein | CBB_208 | NP_049755.1 | 34 | 1.00E-21 | NP_899577.1 | 42 | 2.00E-25 |
| gp6 - baseplate wedge component | CBB_237 | NP_049764.1 | 42 | 0.098 | NP_899587.1 | 27 | 3.00E-05 | |
| gp13 - neck protein | CBB_201 | NP 049772.1 | 31 | 1.00E-06 | NP 899596.1 | 21 | 3.00E-07 | |
| gp15 - tail completion protein | CBB_233 | NP_049774.1 | 20 | 3.00E-07 | NP_899598.1 | 21 | 2.00E-05 | |
| gp17 - large terminase | CBB_275 | NP_049776.1 | 28 | 8.00E-29 | NP_899601.1 | 25 | 2.00E-42 | |
| gp18- tail sheath subunit | CBB_204 | NP_049780.1 | 36 | 2.00E-27 | NP_899602.1 | 39 | 4.00E-32 | |
| gp20 - head portal vertex protein | CBB_252 | NP_049782.1 | 29 | 2.00E-36 | NP_899604.1 | 31 | 2.00E-35 | |
| gp21- prohead core protein | CBB_255 | NP 049785.1 | 31 | 2.00E-10 | NP_899607.1 | 37 | 1.00E-25 | |
| gp23 - precursor to major head protein | CBB_257 | NP_049787.1 | 35 | 3.00E-36 | NP_899609.1 | 34 | 8.00E-37 | |
| gp25 - base plate wedge subunit | CBB_238 | NP_049800.1 | 31 | 2.00E-10 | NP_899586.1 | 28 | 1.00E-08 | |
| gp53 - baseplate wedge component | CBB_242 | NP_049756.1 | 38 | 1.00E-04 | NP_899579.1 | 35 | 5.00E-07 |