6NX7
ECAII(D90T,K162T) MUTANT IN COMPLEX WITH CITRATE AT PH 5.6
Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0004067 | molecular_function | asparaginase activity | 
| A | 0006520 | biological_process | amino acid metabolic process | 
| A | 0006528 | biological_process | asparagine metabolic process | 
| A | 0006530 | biological_process | L-asparagine catabolic process | 
| A | 0016787 | molecular_function | hydrolase activity | 
| A | 0030288 | cellular_component | outer membrane-bounded periplasmic space | 
| A | 0032991 | cellular_component | protein-containing complex | 
| A | 0042597 | cellular_component | periplasmic space | 
| A | 0042802 | molecular_function | identical protein binding | 
| A | 0051289 | biological_process | protein homotetramerization | 
| B | 0004067 | molecular_function | asparaginase activity | 
| B | 0006520 | biological_process | amino acid metabolic process | 
| B | 0006528 | biological_process | asparagine metabolic process | 
| B | 0006530 | biological_process | L-asparagine catabolic process | 
| B | 0016787 | molecular_function | hydrolase activity | 
| B | 0030288 | cellular_component | outer membrane-bounded periplasmic space | 
| B | 0032991 | cellular_component | protein-containing complex | 
| B | 0042597 | cellular_component | periplasmic space | 
| B | 0042802 | molecular_function | identical protein binding | 
| B | 0051289 | biological_process | protein homotetramerization | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 4 | 
| Details | binding site for residue ACY A 401 | 
| Chain | Residue | 
| A | GLY57 | 
| A | SER58 | 
| A | HOH502 | 
| A | HOH565 | 
| site_id | AC2 | 
| Number of Residues | 8 | 
| Details | binding site for residue CIT B 401 | 
| Chain | Residue | 
| B | HOH577 | 
| B | HOH586 | 
| B | HOH631 | 
| A | HIS0 | 
| B | GLY11 | 
| B | GLY57 | 
| B | SER58 | 
| B | GLY88 | 
Functional Information from PROSITE/UniProt
| site_id | PS00144 | 
| Number of Residues | 9 | 
| Details | ASN_GLN_ASE_1 Asparaginase / glutaminase active site signature 1. IlATGGTIA | 
| Chain | Residue | Details | 
| A | ILE6-ALA14 | 
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 | 
| Number of Residues | 2 | 
| Details | Active site: {"description":"O-isoaspartyl threonine intermediate","evidences":[{"source":"PROSITE-ProRule","id":"PRU10099","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10100","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"12595697","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"1906013","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8434007","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8706862","evidenceCode":"ECO:0000269"}]} | 
| Chain | Residue | Details | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 4 | 
| Details | Binding site: {"evidences":[{"source":"PubMed","id":"12595697","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"8434007","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NNS","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3ECA","evidenceCode":"ECO:0007744"}]} | 
| Chain | Residue | Details | 
Catalytic Information from CSA
| site_id | MCSA1 | 
| Number of Residues | 5 | 
| Details | M-CSA 455 | 
| Chain | Residue | Details | 
| A | THR12 | covalently attached, electrostatic stabiliser, nucleofuge, nucleophile, proton acceptor, proton donor | 
| A | THR89 | electrostatic stabiliser, increase basicity, proton acceptor, proton donor, proton relay | 
| A | THR90 | electrostatic stabiliser, increase acidity, increase basicity, increase nucleophilicity, proton acceptor, proton donor | 
| A | THR162 | proton acceptor, proton donor | 
| A | GLU283 | electrostatic stabiliser | 
| site_id | MCSA2 | 
| Number of Residues | 5 | 
| Details | M-CSA 455 | 
| Chain | Residue | Details | 
| B | THR12 | covalently attached, electrostatic stabiliser, nucleofuge, nucleophile, proton acceptor, proton donor | 
| B | THR89 | electrostatic stabiliser, increase basicity, proton acceptor, proton donor, proton relay | 
| B | THR90 | electrostatic stabiliser, increase acidity, increase basicity, increase nucleophilicity, proton acceptor, proton donor | 
| B | THR162 | proton acceptor, proton donor | 
| B | GLU283 | electrostatic stabiliser | 











