Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0005507 | molecular_function | copper ion binding | 
| A | 0005515 | molecular_function | protein binding | 
| A | 0016491 | molecular_function | oxidoreductase activity | 
| A | 0019333 | biological_process | denitrification pathway | 
| A | 0042128 | biological_process | nitrate assimilation | 
| A | 0042597 | cellular_component | periplasmic space | 
| A | 0046872 | molecular_function | metal ion binding | 
| A | 0050421 | molecular_function | nitrite reductase (NO-forming) activity | 
| B | 0005507 | molecular_function | copper ion binding | 
| B | 0005515 | molecular_function | protein binding | 
| B | 0016491 | molecular_function | oxidoreductase activity | 
| B | 0019333 | biological_process | denitrification pathway | 
| B | 0042128 | biological_process | nitrate assimilation | 
| B | 0042597 | cellular_component | periplasmic space | 
| B | 0046872 | molecular_function | metal ion binding | 
| B | 0050421 | molecular_function | nitrite reductase (NO-forming) activity | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE CU A1337 | 
| Chain | Residue | 
| A | HIS89 | 
| A | CYS130 | 
| A | HIS139 | 
| A | GLN144 | 
| site_id | AC2 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE CU A1338 | 
| Chain | Residue | 
| A | HIS94 | 
| A | HIS129 | 
| A | HIS300 | 
| A | HOH2177 | 
| site_id | AC3 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN A1339 | 
| Chain | Residue | 
| A | ASP167 | 
| A | HOH2417 | 
| B | GLU195 | 
| A | HIS165 | 
| site_id | AC4 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN A1340 | 
| Chain | Residue | 
| A | HIS70 | 
| A | ASP73 | 
| A | HOH2418 | 
| A | HOH2419 | 
| site_id | AC5 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN A1341 | 
| Chain | Residue | 
| A | HIS313 | 
| A | SO41344 | 
| A | SO41345 | 
| A | HOH2420 | 
| site_id | AC6 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN A1342 | 
| Chain | Residue | 
| A | HIS8 | 
| A | GLU34 | 
| A | HOH2421 | 
| A | HOH2422 | 
| site_id | AC7 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE ZN A1343 | 
| site_id | AC8 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE SO4 A1344 | 
| Chain | Residue | 
| A | HIS313 | 
| A | ZN1341 | 
| A | SO41345 | 
| A | HOH2424 | 
| A | HOH2425 | 
| site_id | AC9 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE SO4 A1345 | 
| Chain | Residue | 
| A | HIS313 | 
| A | ZN1341 | 
| A | SO41344 | 
| A | HOH2426 | 
| A | HOH2427 | 
| A | HOH2428 | 
| A | HOH2429 | 
| site_id | BC1 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE CU B1337 | 
| Chain | Residue | 
| B | HIS89 | 
| B | CYS130 | 
| B | HIS139 | 
| B | GLN144 | 
| site_id | BC2 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE CU B1338 | 
| Chain | Residue | 
| B | HIS94 | 
| B | HIS129 | 
| B | HIS300 | 
| B | HOH2136 | 
| site_id | BC3 | 
| Number of Residues | 3 | 
| Details | BINDING SITE FOR RESIDUE ZN B1339 | 
| Chain | Residue | 
| B | HIS70 | 
| B | ASP73 | 
| B | HOH2351 | 
| site_id | BC4 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN B1340 | 
| Chain | Residue | 
| A | GLU195 | 
| B | HIS165 | 
| B | ASP167 | 
| B | HOH2352 | 
| site_id | BC5 | 
| Number of Residues | 4 | 
| Details | BINDING SITE FOR RESIDUE ZN B1341 | 
| Chain | Residue | 
| B | HIS313 | 
| B | SO41344 | 
| B | SO41345 | 
| B | HOH2353 | 
| site_id | BC6 | 
| Number of Residues | 5 | 
| Details | BINDING SITE FOR RESIDUE ZN B1342 | 
| Chain | Residue | 
| B | HIS8 | 
| B | GLU34 | 
| B | HOH2354 | 
| B | HOH2355 | 
| B | HOH2356 | 
| site_id | BC7 | 
| Number of Residues | 2 | 
| Details | BINDING SITE FOR RESIDUE ZN B1343 | 
| site_id | BC8 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE SO4 B1344 | 
| Chain | Residue | 
| B | HIS313 | 
| B | ZN1341 | 
| B | SO41345 | 
| B | HOH2358 | 
| B | HOH2359 | 
| B | HOH2361 | 
| site_id | BC9 | 
| Number of Residues | 6 | 
| Details | BINDING SITE FOR RESIDUE SO4 B1345 | 
| Chain | Residue | 
| B | HIS313 | 
| B | ZN1341 | 
| B | SO41344 | 
| B | HOH2358 | 
| B | HOH2362 | 
| B | HOH2363 | 
Functional Information from PROSITE/UniProt
| site_id | PS00283 | 
| Number of Residues | 17 | 
| Details | SOYBEAN_KUNITZ Soybean trypsin inhibitor (Kunitz) protease inhibitors family signature. LkDPEGKpLhYDraYtI | 
| Chain | Residue | Details | 
| A | LEU156-ILE172 |  | 
| B | LEU156-ILE172 |  | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1nid | 
| Chain | Residue | Details | 
| A | PHE58 |  | 
| A | GLY60 |  | 
| site_id | CSA2 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1nid | 
| Chain | Residue | Details | 
| B | PHE58 |  | 
| B | GLY60 |  | 
| site_id | CSA3 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1nid | 
| Chain | Residue | Details | 
| B | HIS249 |  | 
| B | ASP92 |  | 
| site_id | CSA4 | 
| Number of Residues | 2 | 
| Details | Annotated By Reference To The Literature 1nid | 
| Chain | Residue | Details | 
| A | HIS249 |  | 
| A | ASP92 |  |