Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0042799 | molecular_function | histone H4K20 methyltransferase activity |
| B | 0042799 | molecular_function | histone H4K20 methyltransferase activity |
| C | 0042799 | molecular_function | histone H4K20 methyltransferase activity |
| D | 0042799 | molecular_function | histone H4K20 methyltransferase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE SAH A 2800 |
| Chain | Residue |
| A | GLY225 |
| A | TYR336 |
| A | TRP349 |
| A | HOH2829 |
| A | HOH2835 |
| A | HOH2863 |
| A | HOH2879 |
| A | HOH2901 |
| A | HOH2906 |
| E | HIS18 |
| E | LYS20 |
| A | LYS226 |
| G | HOH186 |
| A | ARG228 |
| A | CYS270 |
| A | TYR271 |
| A | ARG295 |
| A | LEU296 |
| A | ASN298 |
| A | HIS299 |
| site_id | AC2 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE SAH B 2801 |
| Chain | Residue |
| B | GLY225 |
| B | LYS226 |
| B | ARG228 |
| B | CYS270 |
| B | TYR271 |
| B | ARG295 |
| B | LEU296 |
| B | ASN298 |
| B | HIS299 |
| B | TYR336 |
| B | TRP349 |
| B | HOH2825 |
| B | HOH2856 |
| B | HOH2862 |
| B | HOH2875 |
| B | HOH2898 |
| B | HOH2902 |
| F | HIS18 |
| F | LYS20 |
| site_id | AC3 |
| Number of Residues | 18 |
| Details | BINDING SITE FOR RESIDUE SAH C 2802 |
| Chain | Residue |
| C | GLY225 |
| C | LYS226 |
| C | ARG228 |
| C | CYS270 |
| C | TYR271 |
| C | ARG295 |
| C | LEU296 |
| C | ASN298 |
| C | HIS299 |
| C | TYR336 |
| C | TRP349 |
| C | HOH2831 |
| C | HOH2841 |
| C | HOH2908 |
| C | HOH2921 |
| C | HOH2928 |
| G | HIS18 |
| G | LYS20 |
| site_id | AC4 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE SAH D 2803 |
| Chain | Residue |
| B | HOH2806 |
| D | GLY225 |
| D | LYS226 |
| D | ARG228 |
| D | CYS270 |
| D | TYR271 |
| D | ARG295 |
| D | LEU296 |
| D | ASN298 |
| D | HIS299 |
| D | TYR336 |
| D | TRP349 |
| D | HOH2810 |
| D | HOH2826 |
| D | HOH2878 |
| D | HOH2889 |
| D | HOH2892 |
| F | ARG23 |
| H | HIS18 |
| H | LYS20 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 16 |
| Details | DNA_BIND: |
| Chain | Residue | Details |
| E | LYS16-LYS20 | |
| D | LYS226 | |
| D | TYR271 | |
| D | ASN298 | |
| F | LYS16-LYS20 | |
| G | LYS16-LYS20 | |
| H | LYS16-LYS20 | |
| B | TYR271 | |
| B | ASN298 | |
| C | LYS226 | |
| C | TYR271 | |
| C | ASN298 | |
| Chain | Residue | Details |
| E | LYS16 | |
| F | LYS16 | |
| G | LYS16 | |
| H | LYS16 | |
| Chain | Residue | Details |
| E | LYS20 | |
| F | LYS20 | |
| G | LYS20 | |
| H | LYS20 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 8 |
| Details | CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2); alternate => ECO:0007744|PubMed:28112733 |
| Chain | Residue | Details |
| E | LYS20 | |
| F | LYS20 | |
| G | LYS20 | |
| H | LYS20 | |
