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9ENO

Crystal structure of ComplemEnT1.4 (CEnT1.4), an engineered photoenzyme for selective [2+2]-cycloadditions

Functional Information from GO Data
ChainGOidnamespacecontents
A0005509molecular_functioncalcium ion binding
A0047862molecular_functiondiisopropyl-fluorophosphatase activity
B0005509molecular_functioncalcium ion binding
B0047862molecular_functiondiisopropyl-fluorophosphatase activity
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"15966726","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11435114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"14501113","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 686
ChainResidueDetails
ATHR21increase nucleophilicity, metal ligand, proton acceptor
APHE37electrostatic stabiliser, increase basicity
AALA120metal ligand
AALA175metal ligand
AALA229covalently attached, electrofuge, electrophile, increase nucleophilicity, metal ligand, nucleophile, proton acceptor
AALA291increase nucleophilicity, proton acceptor

site_idMCSA2
Number of Residues6
DetailsM-CSA 686
ChainResidueDetails
BTHR21increase nucleophilicity, metal ligand, proton acceptor
BPHE37electrostatic stabiliser, increase basicity
BALA120metal ligand
BALA175metal ligand
BALA229covalently attached, electrofuge, electrophile, increase nucleophilicity, metal ligand, nucleophile, proton acceptor
BALA291increase nucleophilicity, proton acceptor

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PDB entries from 2026-03-25

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