vti_encoding:SR|utf8 vti_extenderversion:SR|2.0.2.1112 vti_title:SW|Figure 12 vti_cacheddtm:TX|15 Mar 1997 23:11:08 -0500 vti_cachedtitle:SR|Figure 12 vti_cachedlinkinfo:VX|S|fig12.gif S|Fig_12a.gif S|fig12d.gif S|fig12b.gif K|sequence.htm vti_author:SR|jrw vti_modifiedby:SR|jrw vti_timecreated:TR|15 Mar 1997 15:30:49 -0500 vti_nexttolasttimemodified:TR|15 Mar 1997 17:50:23 -0500 vti_cachedbodystyle:SR| vti_timelastmodified:TR|15 Mar 1997 17:50:23 -0500