\NeedsTeXFormat{LaTeX2e}
\documentclass[]{article}
\usepackage{verbatim}
\pagestyle{empty}
\begin{document}
  \begin{center}
    \begin{verbatim}
>AF346993 RF00005
CAGAGUGUAGCUUAACACAAAGCACCCAACUUACACUUAGGAGAUUUCAACUUAACUUGACCGCUCUGA
>D38114 RF00005
CACUGUAAAGCUAACCUAGCGUUAACCUUUUAAGUUAAAGAUUAAGAGUAUCGGCACCUCUUUGCAGUGA
>AB109295 RF00005
GCUAGCGUAGCUUAACUAAAGCAUAACACUGAAGAUGUUAAGAUGGACCCUAGAAAGUCCCGCAAGCA
>AY339452 RF00005
GUUCUUGUAGUUGAAAUACAACGAUGGUUUUUCAUAUCAUUGGUCGUGGUUGUAGUCCGUGCGAGAAUA
>AY275536 RF00005
ACUCUUUUAGUAUAAAUAGUACCGUUAACUUCCAAUUAACUAGUUUUGACAACAUUCAAAAAAGAGUA
    \end{verbatim}
  \end{center}
\end{document}
