bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide 1071.8880615234375 1072.43994140625 317.6474609375 317.779998779296875 4Mn-Ca-4O cluster A protein modification that effectively converts two L-aspartic acid residues, three L-glutamic acid residues, an L-histidine residue, and a one-calcium, four-iron, four-oxygen cluster to bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide. MOD:00371 C 29 H 32 N 8 O 20 Ca 1 Mn 4 PSI-MOD hypothetical photosystem II catalytic cluster none mu3-1:2:3kappaO-oxido-mu3-1:3:4kappaO-oxido-mu3-2:3:4kappaO-oxido-mu4-1:2:4:5kappaO-oxido-N1'-histidino-O5-glutamato 2-manganese-O5,O5-glutamato 3-manganese-O4-aspartato 4-manganese-O4-aspartato-O5-glutamato 5-manganese D, D, E, E, E, H H -6 O 4 Ca 1 Mn 4 bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide Cross-link 6. manganese containing modified residue calcium containing modified residue metal or metal cluster coordinated L-aspartic acid residue metal or metal cluster coordinated L-glutamic acid residue metal or metal cluster coordinated L-histidine residue