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6W3N

APE1 exonuclease substrate complex D148E

Functional Information from GO Data
ChainGOidnamespacecontents
A0003677molecular_functionDNA binding
A0003824molecular_functioncatalytic activity
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0006281biological_processDNA repair
B0003677molecular_functionDNA binding
B0003824molecular_functioncatalytic activity
B0004518molecular_functionnuclease activity
B0004519molecular_functionendonuclease activity
B0006281biological_processDNA repair
Functional Information from PDB Data
site_idAC1
Number of Residues2
Detailsbinding site for residue CA D 101
ChainResidue
DDG7
DDC8

site_idAC2
Number of Residues1
Detailsbinding site for residue EDO A 401
ChainResidue
AALA60

Functional Information from PROSITE/UniProt
site_idPS00726
Number of Residues10
DetailsAP_NUCLEASE_F1_1 AP endonucleases family 1 signature 1. PDILCLQETK
ChainResidueDetails
APRO89-LYS98

site_idPS00727
Number of Residues17
DetailsAP_NUCLEASE_F1_2 AP endonucleases family 1 signature 2. DSFRHlypntpyaYTFW
ChainResidueDetails
AASP251-TRP267

site_idPS00728
Number of Residues12
DetailsAP_NUCLEASE_F1_3 AP endonucleases family 1 signature 3. NvGwRLDYfLlS
ChainResidueDetails
AASN277-SER288

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues58
DetailsRegion: {"description":"Mitochondrial targeting sequence (MTS)"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues32
DetailsMotif: {"description":"Nuclear export signal (NES)"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"evidences":[{"source":"PubMed","id":"15380100","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PubMed","id":"9351835","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1BIX","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00764","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00764","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"PubMed","id":"8932375","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"source":"PubMed","id":"21762700","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"9804799","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsSite: {"description":"Interaction with DNA substrate"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues4
DetailsModified residue: {"description":"S-nitrosocysteine; alternate","evidences":[{"source":"PubMed","id":"17403694","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by CDK5","evidences":[{"source":"UniProtKB","id":"P28352","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsModified residue: {"description":"S-nitrosocysteine","evidences":[{"source":"PubMed","id":"17403694","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues8
DetailsM-CSA 510
ChainResidueDetails

site_idMCSA2
Number of Residues8
DetailsM-CSA 510
ChainResidueDetails

239149

PDB entries from 2025-07-23

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