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1AK0

P1 NUCLEASE IN COMPLEX WITH A SUBSTRATE ANALOG

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0005576cellular_componentextracellular region
A0006308biological_processDNA catabolic process
A0016787molecular_functionhydrolase activity
A0016788molecular_functionhydrolase activity, acting on ester bonds
A0046872molecular_functionmetal ion binding
Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues48
DetailsRegion: {"description":"Substrate binding","evidences":[{"source":"PubMed","id":"9726413","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AK0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"Q9C9G4","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues17
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"9726413","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AK0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"UniProtKB","id":"P24021","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"PubMed","id":"9726413","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AK0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00498","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"9726413","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1AK0","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00498","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
Detailsa catalytic site defined by CSA, PubMed 9726413
ChainResidueDetails
AARG48

site_idMCSA1
Number of Residues10
DetailsM-CSA 395
ChainResidueDetails
ATRP1metal ligand
AASP153metal ligand
AHIS6metal ligand
AASP45activator, metal ligand
AARG48electrostatic stabiliser
AHIS60metal ligand
AHIS116metal ligand
AASP120metal ligand
AHIS126metal ligand
AHIS149metal ligand

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PDB entries from 2025-12-17

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