2UGI: Uracil-DNA glycosylase inhibitor

Protein mimicry of DNA from crystal structures of the uracil glycosylase inhibitor protein and its complex with escherichia coli uracil-DNA glycosylase. Determined by X-ray diffraction at 2.2 Å resolution. Released 25 Mar 1999.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Bacillus phage PBS2
Chains
2
Atoms
1,384
Mol. weight
19.03 kDa
Released
25 Mar 1999

Explore 2UGI in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2UGI contains 4 α-helices and 10 β-strands across 2 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: 2 helices, 5 β-strands

ElementResiduesLengthSheet
α-helix5-128
β-strand21-2441
α-helix26-338
β-strand41-4881
β-strand53-6081
β-strand67-7371
β-strand79-8351
Chain B: 2 helices, 5 β-strands
ElementResiduesLengthSheet
α-helix4-129
β-strand22-2432
α-helix26-338
β-strand41-4882
β-strand53-6082
β-strand67-7372
β-strand79-8352

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Uracil-DNA glycosylase inhibitorA, Bprotein84Bacillus phage PBS2P14739 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>2UGI_1 URACIL-DNA GLYCOSYLASE INHIBITOR (chains A, B)
MTNLSDIIEKETGKQLVIQESILMLPEEVEEVIGNKPESDILVHTAYDESTDENVMLLTS
DAPEYKPWALVIQDSNGENKIKML

Primary citation

Protein mimicry of DNA from crystal structures of the uracil-DNA glycosylase inhibitor protein and its complex with Escherichia coli uracil-DNA glycosylase. Putnam, C.D., Shroyer, M.J., Lundquist, A.J. et al. J Mol Biol (1999) 287:331-346. DOI 10.1006/jmbi.1999.2605 · PubMed

Other PDB entries of the same protein (UniProt P14739 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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