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3HL8

Crystal structure of exonuclease I in complex with inhibitor BCBP

Functional Information from GO Data
ChainGOidnamespacecontents
A0000175molecular_function3'-5'-RNA exonuclease activity
A0000287molecular_functionmagnesium ion binding
A0003676molecular_functionnucleic acid binding
A0003677molecular_functionDNA binding
A0003697molecular_functionsingle-stranded DNA binding
A0004518molecular_functionnuclease activity
A0004527molecular_functionexonuclease activity
A0004529molecular_functionDNA exonuclease activity
A0005515molecular_functionprotein binding
A0006259biological_processDNA metabolic process
A0006274biological_processDNA replication termination
A0006281biological_processDNA repair
A0006308biological_processDNA catabolic process
A0006974biological_processDNA damage response
A0008310molecular_functionsingle-stranded DNA 3'-5' DNA exonuclease activity
A0016787molecular_functionhydrolase activity
A0046872molecular_functionmetal ion binding
A0051575molecular_function5'-deoxyribose-5-phosphate lyase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 500
ChainResidue
AASP15
AHOH514
AHOH519
AHOH520
AHOH521
AHOH522

site_idAC2
Number of Residues7
DetailsBINDING SITE FOR RESIDUE BBP A 501
ChainResidue
AARG327
ALEU331
AHOH571
AHOH855
ATRP245
ALEU264
AASN313

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DMS A 502
ChainResidue
ATYR145
AALA238
ATRP239
AARG322
ALEU323

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE DMS A 503
ChainResidue
AARG327
AGLN453

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO A 504
ChainResidue
AGLU17
ATHR18
AGLY20
ATHR67
AHOH711
AHOH969

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 505
ChainResidue
AARG203
ALEU204
ATYR207
AHOH548

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE EDO A 506
ChainResidue
AASP122
AARG377
AMET380
AHOH635

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11101894","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18219121","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18591666","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20018747","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"23609540","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18219121","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsSite: {"description":"Interaction with single-stranded DNA","evidences":[{"source":"PubMed","id":"23609540","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsSite: {"description":"Important for interaction with ssb","evidences":[{"source":"PubMed","id":"18591666","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsSite: {"description":"Interaction with single-stranded DNA","evidences":[{"source":"PubMed","id":"23609540","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"4HCC","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsSite: {"description":"Important for interaction with ssb","evidences":[{"source":"PubMed","id":"20018747","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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