Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

2QXF

Product bound structure of exonuclease I at 1.5 angstrom resolution

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 Residues7
DetailsBINDING SITE FOR RESIDUE MG A 2000
ChainResidue
AGLU17
AASP186
ANA2002
AHOH3111
AHOH3173
AHOH3251
AHOH3255

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 2001
ChainResidue
AHOH3078
AHOH3079
AHOH3080
AHOH3097
AASP15
ATMP3000

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE NA A 2002
ChainResidue
AGLU17
AASP186
AMG2000
AHOH3107
AHOH3109
AHOH3111
AHOH3125

site_idAC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE TMP A 3000
ChainResidue
AGLU17
ATHR18
ATHR21
AALA63
AILE66
ATHR67
APHE107
AARG165
AMG2001
AHOH3064
AHOH3078
AHOH3079
AHOH3080
AHOH3097
AHOH3127
AHOH3128
AHOH3290
AHOH3446
AHOH3506

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 Residues9
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

247536

PDB entries from 2026-01-14

PDB statisticsPDBj update infoContact PDBjnumon