Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0003676 | molecular_function | nucleic acid binding | 
| A | 0003723 | molecular_function | RNA binding | 
| A | 0005634 | cellular_component | nucleus | 
| A | 0006396 | biological_process | RNA processing | 
| A | 1990904 | cellular_component | ribonucleoprotein complex | 
| B | 0003676 | molecular_function | nucleic acid binding | 
| B | 0003723 | molecular_function | RNA binding | 
| B | 0005634 | cellular_component | nucleus | 
| B | 0006396 | biological_process | RNA processing | 
| B | 1990904 | cellular_component | ribonucleoprotein complex | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 501 | 
| Chain | Residue | 
| A | HIS19 | 
| A | LYS128 | 
| A | HOH548 | 
| A | HOH609 | 
| site_id | AC2 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 502 | 
| Chain | Residue | 
| B | LYS16 | 
| B | HIS19 | 
| B | LYS128 | 
| B | HOH525 | 
| B | HOH607 | 
| site_id | AC3 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 503 | 
| Chain | Residue | 
| A | TYR114 | 
| A | LYS116 | 
| A | ARG143 | 
| A | LYS151 | 
| A | SER153 | 
| A | HOH519 | 
| A | HOH638 | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 4 | 
| Details | Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 4 | 
| Details | Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 2 | 
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]} |