1XQM:
reference: Variations on the GFP chromophore: A polypeptide fragmentation within the chromophore revealed in the 2.1-A crystal structure of a nonfluorescent chromoprotein from Anemonia sulcata., Wilmann PG, Petersen J, Devenish RJ, Prescott M, Rossjohn J, J Biol Chem 2005 Jan 28;280(4):2401-4. Epub 2004 Nov 12. PMID: 15542608

This OCA Structure page
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