161.6
[1]. Yuichi Sato, et al. Crystal structures of the lumazine protein from Photobacterium kishitanii in complexes with the authentic chromophore, 6,7-dimethyl- 8-(1-D-ribityl) lumazine, and its analogues, riboflavin and flavin mononucleotide, at high resolution. J Bacteriol. 2010 Jan;12(1):127-33.
H302-H31-H31-H33
P261-P264-P270-P271-P280-P302+P32-P304+P340-P330-P362+P364-P40-P01