Skip to main content
. 2005 Jan;79(2):884–895. doi: 10.1128/JVI.79.2.884-895.2005

TABLE 1.

Comparison of genomic features of CoV-HKU1 and other coronaviruses and amino acid identities

Coronavirusa Genome featuresc
Pairwise amino acid identity (%)b
Size (bases) G+C content 3CLpro Pol Hel HE S E M N
Group 1
    HCoV-229E 27,317 0.38 45 54 55 NPe 31 26 35 28
    PEDV 28,033 0.42 44 56 55 NP 30 34 37 37
    PTGV 28,586 0.38 45 57 57 NP 32 34 37 27
    CCoV NAc NA NA NA NA NP 31 32 36 27
    HCoV-NL63 27,553 0.34 43 54 54 NP 30 28 32 28
Group 2
    CoV-HKU1 29,926 0.32 nad na na na na na na na
    HCoV-OC43 30,738 0.37 82 87 88 57 60 54 76 58
    MHV 31,357 0.42 85 90 89 50 61 57 84 68
    BCoV 31,028 0.37 84 88 88 56 61 55 76 57
    SDAV NA NA NA NA NA 50 61 60 77 62
    ECoV NA NA NA NA NA 53 61 56 78 59
    PHEV NA NA NA NA NA 54 61 54 77 57
Group 3
    IBV 27,608 0.38 41 60 57 NP 32 28 38 27
SARS-CoV 29,751 0.41 48 65 63 NP 33 27 34 31
a

HCoV-229E, human coronavirus 229E; PEDV, porcine epidemic diarrhea virus; PTGV, porcine transmissible gastroenteritis virus; CCoV, canine enteric coronavirus; HCoV-NL63, human coronavirus NL63; HCoV-OC43, human coronavirus OC43; MHV, murine hepatitis virus; BCoV, bovine coronavirus; SDAV, rat sialodacryoadenitis coronavirus; ECoV, equine coronavirus NC99; PHEV, porcine hemagglutinating encephalomyelitis virus; IBV, infectious bronchitis virus; SARS-CoV, SARS coronavirus.

b

Amino acid identities between the predicted chymotrypsin-like protease (3CLpro), RNA-dependent RNA polymerase (Pol), helicase (Hel), hemagglutinin-esterase (HE), spike (S), envelope (E), membrane (M), and nucleocapsid (N) proteins of CoV-HKU1 and the corresponding proteins of other coronaviruses.

c

NA, not available.

d

na, not applicable.

e

NP, not present.