LIGASE, CELL CYCLE, DNA DAMAGE, DNA REPAIR, TANDEM TUDOR DOMAINS, METAL BINDING, DNA REPLICATION, TRANSCRIPTIONAL SILENCING, CHROMATIN, PHOSPHORYLATION, TRANSCRIPTION, TRANSCRIPTION REGULATION, UBL CONJUGATION, UBL CONJUGATION PATHWAY, ZINC, ZINC-FINGER, STRUCTURAL GENOMICS, STRUCTURAL GENOMICS CONSORTIUM, SGC, DNA-BINDING, METAL-BINDING, NUCLEUS, PHOSPHOPROTEIN, POLYMORPHISM CRYSTAL STRUCTURE OF THE TANDEM TUDOR DOMAINS OF THE E3 UBIQUITIN-PROTEIN LIGASE UHRF1 IN COMPLEX WITH TRIMETHYLATED HISTONE H3-K9 PEPTIDE 3DB3