1EUI: Uracil-DNA glycosylase

Escherichia coli uracil-DNA glycosylase complex with uracil-DNA glycosylase inhibitor protein. Determined by X-ray diffraction at 3.2 Å resolution. Released 22 Jun 1999.

Method
X-ray diffraction
Resolution
3.2 Å
Organisms
Escherichia coli, Bacillus phage PBS2
Chains
4
Atoms
4,687
Mol. weight
70.15 kDa
Released
22 Jun 1999

Explore 1EUI in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1EUI contains 25 α-helices and 24 β-strands across 4 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 12 helices, 7 β-strands

ElementResiduesLengthSheet
α-helix14-163
α-helix18-3316
β-strand3711
α-helix46-505
α-helix53-553
β-strand58-6252
α-helix84-863
α-helix87-9913
α-helix112-1165
β-strand119-12352
β-strand12911
β-strand13211
α-helix141-15515
β-strand160-16452
α-helix165-1684
α-helix170-1723
β-strand181-18552
α-helix190-1934
α-helix202-21211
Chain B: 11 helices, 7 β-strands
ElementResiduesLengthSheet
α-helix11-144
α-helix18-3316
β-strand3713
α-helix46-505
α-helix53-553
β-strand58-6254
α-helix87-9913
α-helix112-1154
β-strand119-12354
β-strand12913
β-strand13213
α-helix141-15515
β-strand160-16454
α-helix165-1662
α-helix167-1715
β-strand181-18554
α-helix190-1934
α-helix202-21211
Chains C and D: 1 helix, 5 β-strands
ElementResiduesLengthSheet
β-strand20-2455
α-helix26-338
β-strand41-4885
β-strand53-6085
β-strand67-7375
β-strand79-8355

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Uracil-DNA glycosylaseA, Bprotein228Escherichia coliP12295 (AlphaFold model)
Uracil-DNA glycosylase inhibitor proteinC, Dprotein84Bacillus phage PBS2P14739 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>1EUI_1 URACIL-DNA GLYCOSYLASE (chains A, B)
ANELTWHDVLAEEKQQPYFLNTLQTVASERQSGVTIYPPQKDVFNAFRFTELGDVKVVIL
GQDPYHGPGQAHGLAFSVRPGIAIPPSLLNMYKELENTIPGFTRPNHGYLESWARQGVLL
LNTVLTVRAGQAHSHASLGWETFTDKVISLINQHREGVVFLLWGSHAQKKGAIIDKQRHH
VLKAPHPSPLSAHRGFFGCNHFVLANQWLEQRGETPIDWMPVLPAESE
Sequence of entity 2 (C, D), FASTA
>1EUI_2 URACIL-DNA GLYCOSYLASE INHIBITOR PROTEIN (chains C, D)
MTNLSDIIEKETGKQLVIQESILMLPEEVEEVIGNKPESDILVHTAYDESTDENVMLLTS
DAPEYKPWALVIQDSNGENKIKML

Primary citation

X-ray analysis of a complex of Escherichia coli uracil DNA glycosylase (EcUDG) with a proteinaceous inhibitor. The structure elucidation of a prokaryotic UDG. Ravishankar, R., Bidya Sagar, M., Roy, S. et al. Nucleic Acids Res (1998) 26:4880-4887. DOI 10.1093/nar/26.21.4880 · PubMed

Other PDB entries of the same protein (UniProt P12295 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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