Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FE A 501 |
| Chain | Residue |
| A | HIS394 |
| A | GLU396 |
| A | HIS482 |
| A | OGA502 |
| A | HOH658 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE OGA A 502 |
| Chain | Residue |
| A | SER402 |
| A | ASN404 |
| A | LYS412 |
| A | TRP414 |
| A | HIS482 |
| A | ALA494 |
| A | FE501 |
| A | HOH619 |
| A | HOH651 |
| B | M3L4 |
| A | TYR383 |
| A | PHE391 |
| A | HIS394 |
| A | GLU396 |
| site_id | AC3 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR CHAIN B OF MATHYLATED H3K4 SUBSTRATE |
| Chain | Residue |
| A | ASP324 |
| A | TRP381 |
| A | TYR383 |
| A | HIS394 |
| A | VAL395 |
| A | GLU396 |
| A | ASP397 |
| A | SER402 |
| A | LEU447 |
| A | ALA494 |
| A | VAL495 |
| A | ASN496 |
| A | OGA502 |
