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1Q3U

Crystal structure of a wild-type Cre recombinase-loxP synapse: pre-cleavage complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(C, G)
loxP DNApolymer3711364.32
2B, D
(D, H)
loxP DNApolymer3711387.42
3E, F, G, H
(A, B, E, F)
Cre recombinasepolymer34739066.74UniProt (P06956)
Pfam (PF00589)
Enterobacteria phage P1GST-loxP-cre recombinase fusion protein; Retrofitting vector pRetroES
4I, S
(C, F)
IODIDE IONnon-polymer126.92Chemie (IOD)
5J, K, L, M, N...
(C, D, G, H, A...)
MAGNESIUM IONnon-polymer24.310Chemie (MG)
6U, V
(A, F)
waterwater18.03Chemie (HOH)
Sequence modifications
A, B, E, F: 1 - 343 (UniProt: P06956)
PDBExternal DatabaseDetails
Phe -3-cloning artifact
Gln -2-cloning artifact
Val -1-cloning artifact
Pro 0-cloning artifact
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight201770.3
Non-Polymers*Number of molecules12
Total formula weight496.9
All*Total formula weight202267.1
*Water molecules are not included.

239803

PDB entries from 2025-08-06

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