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4JRQ

Crystal structure of E. coli Exonuclease I in complex with a 5cy-dA13 oligonucleotide

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(C, D)
5cy-dA13polymer144480.42
2C, D
(A, B)
Exodeoxyribonuclease Ipolymer47854848.92UniProt (P04995)
Pfam (PF00929)
Pfam (PF08411)
Escherichia coliExonuclease I, DNA deoxyribophosphodiesterase, dRPase
3E, F, G, H, I...
(A, B)
SULFATE IONnon-polymer96.19Chemie (SO4)
Sequence modifications
A, B: 1 - 475 (UniProt: P04995)
PDBExternal DatabaseDetails
Gly -2-expression tag
Ser -1-expression tag
His 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight118658.5
Non-Polymers*Number of molecules9
Total formula weight864.6
All*Total formula weight119523.1
*Water molecules are not included.

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PDB entries from 2025-07-02

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