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Figure 1 | BMC Microbiology

Figure 1

From: Characterization of a ranavirus inhibitor of the antiviral protein kinase PKR

Figure 1

Multiple sequence alignment of vIF2α and eIF2α sequences. Multiple sequence alignment with the indicated sequences was generated using MUSCLE [54]. The background of residues that are highly conserved between vIF2α and eIF2α are colored as follows: 100% identity: red; identical or conservative substitutions: green; residues that are 100% conserved in all vIF2α sequences and found in some eIF2α sequences: light blue. Secondary structure elements as reported for human eIF2α [41] are shown below the sequences: β-strand: red arrow; α-helix: blue box. Vertical arrows indicate boundaries between S1, helical, and C-terminal domains in eIF2α. Secondary structure elements that were predicted for RCV-Z and ATV vIF2α using Porter are shown above the alignments [55]. Cysteines that form a disulfide bridge in the crystal structure of human eIF2α are shown in bold and connected by lines. An asterisk marks the position of Ser 51, which is phosphorylated in eIF2α. Species abbreviations and sequence accession numbers are as follows: RCVZ = Rana catesbeiana virus Z, AAY86037; REI = Rana esculenta iridovirus, AAG43853; EHNV = Epizootic haematopoietic necrosis virus, CAB37351; TFV = Tiger frog virus, AAL77798; BIV = Bohle iridovirus; ABN50368; FV3 = Frog virus 3, AAD38359; SGRV = Silurus glanis ranavirus, AAD38355; ATV = Ambystoma tigrinum virus, YP_003830; IMR = Ictalurus melas ranavirus, AAD38356; VACV = Vaccinia virus WR, YP_232916; Hs = Homo sapiens, NP_004085; Xt = Xenopus tropicalis, NP_001005630; Dr= Danio rerio, NP_955863; Sp = Strongylocentrotus purpuratus, XP_779939; Hm = Hydra magnipapillata; XP_002156465; Bm = Bombyx mori, NP_001037516; Ce = Caenorhabditis elegans, NP_490930; Sc = SaccharoMyces cerevisiae, NP_012540; Ac = Aspergillus clavatus, XP_001271371.

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