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. 2004 Aug;78(15):7863-6.
doi: 10.1128/JVI.78.15.7863-7866.2004.

Severe acute respiratory syndrome coronavirus phylogeny: toward consensus

Alexander E Gorbalenya  1 , Eric J Snijder, Willy J M Spaan
Affiliations

Severe acute respiratory syndrome coronavirus phylogeny: toward consensus

Alexander E Gorbalenya et al. J Virol. 2004 Aug.
No abstract available

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Figures

FIG. 1.
FIG. 1.
Overview of the SARS-CoV genome organization and proteins (20). The positions of coronavirus group-specific genetic and structural markers are indicated. SARS-CoV has the markers of group 2 coronaviruses. In the N-terminal part of the S protein, only Cys residues are distributed in a group-specific fashion (5) (dashed line). SUD, SARS-CoV-unique domain; PL2pro, group 2 papain-like protease 2; TM2, transmembrane domain 2; 3CLpro, chymotrypsin-like protease related to 3Cpro of picornaviruses.
FIG. 2.
FIG. 2.
Two alternative scenarios of SARS-CoV evolution, shown on the same coronavirus tree with alternative roots. The SARS-CoV branch splits, for the sake of comparison, from an ancestor of the other known coronaviruses (A) or, as defined in reference , from the group 2 branch (B). IBV, infectious bronchitis virus; TGEV, porcine transmissible gastroenteritis virus; EToV, equine torovirus. BCoV-Lun and other BCoV strains are most closely related to HCoV OC43, which was not included in the analysis.
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