obsolete calcium incorporation into metallo-oxygen cluster via bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide (obsolete GO:0030926)
OBSOLETE. The incorporation of calcium into a 4Mn-Ca-4O complex by bis-L-aspartato tris-L-glutamato L-histidino calcium tetramanganese tetroxide as in the photosystem II catalytic site.