deletions | additions       diff --git a/Delta_sigma_i__HB_in__.tex b/Delta_sigma_i__HB_in__.tex  index f64e8e1..f6eab88 100644  --- a/Delta_sigma_i__HB_in__.tex  +++ b/Delta_sigma_i__HB_in__.tex 
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$\Delta\sigma^i_{HB}$ in Eq \ref{eqn:procs} is the effect of hydrogen bonding to the amide H ($\Delta\sigma^i_{1^\circ HB}$) and O ($\Delta\sigma^i_{2^\circ HB}$) atoms of residue $i$ on the chemical shielding of the backbone atoms (i.e. this (this  term is zero for C$\beta$) \begin{equation}  \label{eqn:sigmahb}  \Delta \sigma^i_{HB}=\Delta\sigma^i_{1^\circ HB}(r_{\mathrm{HO}},\theta,\rho)+\Delta\sigma^i_{2^\circ HB}(r_{\mathrm{OH}},\theta_{\mathrm{O}},\rho_{\mathrm{O}}) 
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