Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0000786 | cellular_component | nucleosome | 
| A | 0003677 | molecular_function | DNA binding | 
| A | 0030527 | molecular_function | structural constituent of chromatin | 
| A | 0046982 | molecular_function | protein heterodimerization activity | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 8 | 
| Details | binding site for residue PPV A 1201 | 
| Chain | Residue | 
| A | HIS50 | 
| A | PRO51 | 
| A | ASP52 | 
| A | THR53 | 
| A | LYS121 | 
| A | ARG1072 | 
| A | HOH1303 | 
| A | HOH1316 | 
Functional Information from PROSITE/UniProt
| site_id | PS00046 | 
| Number of Residues | 7 | 
| Details | HISTONE_H2A Histone H2A signature. AGLqFPV | 
| Chain | Residue | Details | 
| A | ALA1022-VAL1028 |  | 
| site_id | PS00357 | 
| Number of Residues | 23 | 
| Details | HISTONE_H2B Histone H2B signature. REIQTavRlLLpGELaKHAVSEG | 
| Chain | Residue | Details | 
| A | ARG93-GLY115 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 1 | 
| Details | Glycosylation: {"description":"O-linked (GlcNAc) serine","evidences":[{"source":"UniProtKB","id":"P62807","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 1 | 
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"source":"UniProtKB","id":"P0C1H4","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 3 | 
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin)","evidences":[{"evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI4 | 
| Number of Residues | 1 | 
| Details | Modified residue: {"description":"N6-(2-hydroxyisobutyryl)lysine; alternate","evidences":[{"source":"UniProtKB","id":"P0C0S8","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI5 | 
| Number of Residues | 2 | 
| Details | Modified residue: {"description":"N6-(2-hydroxyisobutyryl)lysine","evidences":[{"source":"UniProtKB","id":"P0C0S8","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI6 | 
| Number of Residues | 1 | 
| Details | Modified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P0C0S8","evidenceCode":"ECO:0000250"}]} |