Sequence alignment between 4x23(A) and UniProt seq P02299 (H3_DROME):

P02299 (H3_DROME): Histone H3 from Drosophila melanogaster
                 10        20        30        40        50        60        70        80        90       100       110       120       130      
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+------
UniProt: MARTKQTARKSTGGKAPRKQLATKAARKSAPATGGVKKPHRYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEASEAYLVGLFEDTNLCAIHAKRVTIMPKDIQLARRIRGERA
         .....................................................................................................................................XX.
PDB seq: ----------------------------------------RYRPGTVALREIRRYQKSTELLIRKLPFQRLVREIAQDFKTDLRFQSSAVMALQEASEAYLVGLFEDTNLCAIHAKRVTIMPKDIQLARRIRGIE-
                                                 +---------+---------+---------+---------+---------+---------+---------+---------+---------+---- 
                                                40        50        60        70        80        90       100       110       120       130