| 1NII: reference: The three-dimensional structure of Arabidopsis thaliana O-methyltransferase predicted by homology-based modelling., Yang H, Ahn JH, Ibrahim RK, Lee S, Lim Y, J Mol Graph Model. 2004 Sep;23(1):77-87. PMID: 15331056 |
This OCA 
Structure page
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(documentation).