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. 2010 Mar 30;11:214. doi: 10.1186/1471-2164-11-214

Table 2.

Comparison of T4 and CP220 Structural Proteins

CP220 CDS T4 Lengtha CP220 Lengtha T4 Gene Functionb CP220/T4 Identity (%)
E valuec
CPT_0001 610 744 Gp17 Terminase subunit with nuclease and ATPase activity; binds single-stranded DNA, Gp16 and Gp20 143/436 (32%)
E = 4e-47

CPT_0005 516 503 Gp39 DNA topoisomerase large subunit 186/516 (35%)
E = 4e-73

CPT_0009 342 347 Gp61 DNA primase subunit 73/330 (22%)
0.017

CPT_0010 319 304 Gp44 Clamp loader subunit, DNA polymerase accessory protein 95/319 (29%)
E = 8e-27

CPT_0011 305 352 RNaseH ribonuclease 56/151 (37%)
E = 6e-16

CPT_0029 157 178 Gp49 EndoVII packaging and recombination endonuclease VII 28/108 (25%)
E = 0.11

CPT_0030 524 569 Gp20 Portal vertex protein of head 130/456 (28%)
E = 5e-40

CPT_0033 487 429 Gp30 DNA ligase 128/484 (26%)
E = 2e-23

CPT_0034 659 516 Gp18 Tail sheath monomer 58/235 (24%)
E = 3e-04

CPT_0037 134 120 Gp25 Baseplate wedge subunit 26/66 (39%)
E = 2e-07

CPT_0041 660 1214 Gp6 Baseplate wedge subunit 86/389 (22%)
E = 0.025

CPT_0045 163 252 Gp19 Tail tube protein 49/176 (27%)
E = 9e-11

CPT_0046 150 158 Gp4 Head completion protein 44/147 (29%)
E = 5e-08

CPT_0048 185 255 Gp55 Sigma factor for T4 late transcription 33/123 (26%)
E = 0.37

CPT_0051 521 444 Gp23 Major head protein 131/412 (31%)
E = 2e-41

CPT_0053 659 578 Gp18 Tail sheath protein 149/436 (34%)
E = 1e-51

CPT_0058 163 196 Gp19 Tail tube protein 41/170 (24%)
E = 5e-09

CPT_0115 898 882 Gp43 DNA polymerase 244/901 (27%)
E = 4e-56

CPT_0125 475 445 Gp41 DNA primase-helicase subunit 120/453 (26%)
E = 1e-34

CPT_0148 587 472 UvsW RNA-DNA and DNA-DNA helicase, ATPase 124/407 (30%)
E = 5e-42

CPT_0174 272 456 Gp15 Tail sheath stabilizer and completion protein 54/214 (25%)
E = 1e-05

CPT_0177 301 306 Gp32 Single-stranded DNA binding protein 65/212 (30%)
E = 6e-12

CPT_0181 374 361 RnlA RNA ligase 1 and tail fiber attachment catalyst 80/297 (26%)
E = 3e-10

CPT_0193 212 236 Gp21 Prohead core protein protease 52/153 (33%)
E = 2e-08

a Length refers to the number of amino-acid residues in the CDS and are calculated from the genomic sequence

b T4 gene product and functions are according to Miller [26]

c Identity and E values are from NCBI BLAST results, performed on 5th January 2009