Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0000993 | molecular_function | RNA polymerase II complex binding | 
| A | 0003729 | molecular_function | mRNA binding | 
| A | 0006369 | biological_process | termination of RNA polymerase II transcription | 
| A | 0006378 | biological_process | mRNA polyadenylation | 
| A | 0006379 | biological_process | mRNA cleavage | 
| B | 0000993 | molecular_function | RNA polymerase II complex binding | 
| B | 0003729 | molecular_function | mRNA binding | 
| B | 0006369 | biological_process | termination of RNA polymerase II transcription | 
| B | 0006378 | biological_process | mRNA polyadenylation | 
| B | 0006379 | biological_process | mRNA cleavage | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE NH4 A 401 | 
| Chain | Residue | 
| A | ILE37 | 
| A | SER73 | 
| A | PHE77 | 
| A | LYS81 | 
| A | ASP82 | 
| site_id | AC2 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE NH4 B 402 | 
| Chain | Residue | 
| B | ILE37 | 
| B | SER73 | 
| B | PHE77 | 
| B | ASP82 | 
| site_id | AC3 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 500 | 
| Chain | Residue | 
| A | TYR40 | 
| A | ARG87 | 
| A | ASN90 | 
| site_id | AC4 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 501 | 
| site_id | AC5 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE SO4 A 502 | 
| Chain | Residue | 
| A | LEU116 | 
| A | ASN120 | 
| B | HIS140 | 
| site_id | AC6 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 504 | 
| Chain | Residue | 
| B | TYR40 | 
| B | ARG87 | 
| B | ASN90 | 
| site_id | AC7 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE SO4 B 505 | 
| site_id | AC8 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE SO4 Z 507 | 
| Chain | Residue | 
| B | ARG71 | 
| Z | PRO6 | 
| Z | SER7 | 
Functional Information from PROSITE/UniProt
| site_id | PS00115 | 
| Number of Residues | 7 | 
| Details | RNA_POL_II_REPEAT Eukaryotic RNA polymerase II heptapeptide repeat. YSPTSPS | 
| Chain | Residue | Details | 
| Z | TYR-6-SER0 |  | 
| Z | TYR1-SER7 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 2 | 
| Details | Modified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"20388717","evidenceCode":"ECO:0000269"}]} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 4 | 
| Details | Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO1)"} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 6 | 
| Details | Repeat: {"description":"30","evidences":[{"evidenceCode":"ECO:0000255"}]} |