3I91 CRYSTAL STRUCTURE OF HUMAN CHROMOBOX HOMOLOG 8 (CBX8) WITH H3K9 PEPTIDE TRANSCRIPTION, CHROMOBOX HOMOLOG 8, CBX8, H3K9 PEPTIDE, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, CHROMATIN REGULATOR, NUCLEUS, PHOSPHOPROTEIN, POLYMORPHISM, REPRESSOR, TRANSCRIPTION REGULATION