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9YZK

Isoreticular co-crystal 1 with symmetrical expanded duplex (42mer) containing insert sequence ACCCTTCTATGACCTACTCCA

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(C)
Replication initiation proteinpolymer26330749.11UniProt (P03856)Escherichia coliProtein E,Protein rep,Protein F4, Replication Initiator protein RepE54
2B
(E)
DNA (42-MER)polymer4212706.21Escherichia coli
3C
(F)
DNA (42-MER)polymer4213155.41Escherichia coli
4D
(C)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
Sequence modifications
C: 1 - 251 (UniProt: P03856)
PDBExternal DatabaseDetails
Met -11-initiating methionine
Arg -10-expression tag
Gly -9-expression tag
Ser -8-expression tag
His -7-expression tag
His -6-expression tag
His -5-expression tag
His -4-expression tag
His -3-expression tag
His -2-expression tag
Gly -1-expression tag
Ser 0-expression tag
Pro 118Arg 118conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight56610.7
Non-Polymers*Number of molecules1
Total formula weight24.3
All*Total formula weight56635.0
*Water molecules are not included.

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PDB entries from 2026-03-11

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