Add I27 length to fig:I27 caption.

diff --git a/src/apparatus/polymer-synthesis.tex b/src/apparatus/polymer-synthesis.tex
index 6edf909fda3d5bbe0f0568084699bd1ef1cb5d67..df7bdc826350e7f4bad9aa85b0f5a118ae8aaab9 100644 (file)
--- a/src/apparatus/polymer-synthesis.tex
+++ b/src/apparatus/polymer-synthesis.tex
@@ -51,9 +51,9 @@ commercially\citep{athenaes-i27o}.
   \includegraphics[width=2in]{figures/i27/1TIT}
   \caption{I27, the immunoglobulin-like domain 27 from human titin
     (\href{http://dx.doi.org/10.2210/pdb1tit/pdb}{PDB ID: 1TIT})%
-    \citep{improta96}.
-    Figure generated with \citetalias{pymol}.
-    \label{fig:I27}}
+    \citep{improta96}.  The entire domain is $4.7\U{nm}$ from end to
+    end.  Figure generated with \citetalias{pymol}.
+    \label{fig:I27}\index{I27}}
 \end{figure}
 
 Synthetic proteins are generally produced by creating a plasmid coding