Correlation of TrpGly and GlyTrp Rotamer Structure with W7 and W10 UV Resonance Raman Modes and Fluorescence Emission Shifts

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td align="left" rowspan="2">Dipeptide</td><td align="center" colspan="2">W10 wavenumber (1/cm)</td></tr><tr class="thead"><td align="center">pH 5.5</td><td align="center">pH 9.3</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left">GluTrp</td><td align="center">1235</td><td align="center">1236</td></tr><tr><td align="left">TrpGlu</td><td align="center">1241</td><td align="center">1238</td></tr><tr><td align="left">LeuTrp</td><td align="center">1237</td><td align="center">1237</td></tr><tr><td align="left">TrpLeu</td><td align="center">1240</td><td align="center">1237</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

UVRR W10 peaks (1/cm) for Trp dipeptides at pH 5.5 and 9.3.

Journal of Amino Acids

tab2

Table 2

Table 2: Correlation of TrpGly and GlyTrp Rotamer Structure with W7 and W10 UV Resonance Raman Modes and Fluorescence Emission Shifts 