t"># calcium ion, 3 waters coordinated</span></div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;                                              <span class="stringliteral">&#39;BTN&#39;</span>,  <span class="comment"># biotin</span></div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;                                              <span class="stringliteral">&#39;I42&#39;</span>,  <span class="comment"># hydroxy(dioxido)oxovanadium</span></div><div