Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 301 |
| Chain | Residue |
| A | ARG46 |
| A | ARG123 |
| A | ARG232 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | binding site for residue SO4 A 302 |
| Chain | Residue |
| A | ARG71 |
| A | TYR187 |
| A | GLU188 |
| A | LYS197 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | binding site for residue SO4 A 303 |
| Chain | Residue |
| A | ARG232 |
| A | LYS39 |
| A | SER211 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | binding site for residue CL A 304 |
| Chain | Residue |
| A | ARG97 |
| A | ARG97 |
| A | ARG97 |
Functional Information from PROSITE/UniProt
| site_id | PS00699 |
| Number of Residues | 8 |
| Details | NITROGENASE_1_1 Nitrogenases component 1 alpha and beta subunits signature 1. IVHAGQAC |
| Chain | Residue | Details |
| A | ILE29-CYS36 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 3 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255 |
| Chain | Residue | Details |
| A | ASN42 | |
| A | ASN90 | |
| A | ASN235 | |
