Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0003676 | molecular_function | nucleic acid binding | 
| A | 0004518 | molecular_function | nuclease activity | 
| A | 0004519 | molecular_function | endonuclease activity | 
| A | 0004522 | molecular_function | ribonuclease A activity | 
| A | 0004540 | molecular_function | RNA nuclease activity | 
| A | 0005576 | cellular_component | extracellular region | 
| A | 0005615 | cellular_component | extracellular space | 
| A | 0016787 | molecular_function | hydrolase activity | 
| A | 0019731 | biological_process | antibacterial humoral response | 
| A | 0042742 | biological_process | defense response to bacterium | 
| A | 0050830 | biological_process | defense response to Gram-positive bacterium | 
| B | 0003676 | molecular_function | nucleic acid binding | 
| B | 0004518 | molecular_function | nuclease activity | 
| B | 0004519 | molecular_function | endonuclease activity | 
| B | 0004522 | molecular_function | ribonuclease A activity | 
| B | 0004540 | molecular_function | RNA nuclease activity | 
| B | 0005576 | cellular_component | extracellular region | 
| B | 0005615 | cellular_component | extracellular space | 
| B | 0016787 | molecular_function | hydrolase activity | 
| B | 0019731 | biological_process | antibacterial humoral response | 
| B | 0042742 | biological_process | defense response to bacterium | 
| B | 0050830 | biological_process | defense response to Gram-positive bacterium | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 11 | 
| Details | BINDING SITE FOR RESIDUE UM3 A 301 | 
| Chain | Residue | 
| A | ARG7 | 
| A | GLY119 | 
| A | HOH333 | 
| A | GLN11 | 
| A | HIS12 | 
| A | LYS40 | 
| A | PHE42 | 
| A | ASN43 | 
| A | THR44 | 
| A | ARG101 | 
| A | PHE117 | 
| site_id | AC2 | 
| Number of Residues | 7 | 
| Details | BINDING SITE FOR RESIDUE UM3 B 302 | 
| Chain | Residue | 
| B | HIS12 | 
| B | PHE42 | 
| B | ASN43 | 
| B | THR44 | 
| B | ARG101 | 
| B | PHE117 | 
| B | GLY119 | 
Functional Information from PROSITE/UniProt
| site_id | PS00127 | 
| Number of Residues | 7 | 
| Details | RNASE_PANCREATIC Pancreatic ribonuclease family signature. CKrfNTF | 
| Chain | Residue | Details | 
| A | CYS39-PHE45 |  | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 2 | 
| Details | Active site: {"description":"Proton acceptor","evidences":[{"source":"UniProtKB","id":"Q9H1E1","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 2 | 
| Details | Active site: {"description":"Proton donor","evidences":[{"source":"UniProtKB","id":"Q9H1E1","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI3 | 
| Number of Residues | 12 | 
| Details | Binding site: {"evidences":[{"source":"UniProtKB","id":"P15468","evidenceCode":"ECO:0000250"}]} | 
| site_id | SWS_FT_FI4 | 
| Number of Residues | 2 | 
| Details | Modified residue: {"description":"Pyrrolidone carboxylic acid","evidences":[{"source":"PubMed","id":"8223579","evidenceCode":"ECO:0000269"}]} | 
Catalytic Information from CSA
| site_id | CSA1 | 
| Number of Residues | 2 | 
| Details | a catalytic site defined by CSA, PubMed 9878400 | 
| Chain | Residue | Details | 
| A | LYS40 |  | 
| A | HIS116 |  | 
| site_id | MCSA1 | 
| Number of Residues | 3 | 
| Details | M-CSA 693 | 
| Chain | Residue | Details | 
| A | HIS12 | proton acceptor, proton donor | 
| A | LYS40 | electrostatic stabiliser | 
| A | HIS116 | proton acceptor, proton donor | 
| site_id | MCSA2 | 
| Number of Residues | 3 | 
| Details | M-CSA 693 | 
| Chain | Residue | Details | 
| B | HIS12 | proton acceptor, proton donor | 
| B | LYS40 | electrostatic stabiliser | 
| B | HIS116 | proton acceptor, proton donor |