4P3Y: Acinetobacter baumannii DsbA

Crystal structure of Acinetobacter baumannii DsbA in complex with EF-Tu. Determined by X-ray diffraction at 2.15 Å resolution. Released 18 Jun 2014.

Method
X-ray diffraction
Resolution
2.15 Å
Organisms
Escherichia coli BL21(DE3), Acinetobacter baumannii AYE
Chains
2
Atoms
4,734
Mol. weight
64.5 kDa
Ligands
MG, GDP
Released
18 Jun 2014

Explore 4P3Y in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4P3Y contains 25 α-helices and 35 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: 17 helices, 28 β-strands

ElementResiduesLengthSheet
α-helix10-112
β-strand12-1871
α-helix25-4016
α-helix42-476
β-strand66-7161
β-strand76-8161
α-helix85-9410
β-strand101-10771
α-helix114-12613
β-strand131-13661
α-helix138-1403
α-helix144-16017
α-helix165-1673
β-strand170-17231
α-helix175-1795
α-helix183-19917
α-helix201-2055
α-helix206-2083
α-helix210-2112
β-strand212-21432
β-strand217-22153
β-strand225-23173
β-strand23412
β-strand236-23834
β-strand242-24652
β-strand252-25542
β-strand256-26163
β-strand264-26633
β-strand268-27034
β-strand274-27963
α-helix284-2863
β-strand28915
β-strand29115
β-strand292-29432
β-strand301-311116
α-helix312-3132
α-helix314-3163
β-strand323-32427
β-strand330-33346
β-strand336-34386
α-helix344-3452
β-strand350-35127
β-strand356-368136
β-strand374-37966
β-strand382-392116
Chain B: 8 helices, 7 β-strands
ElementResiduesLengthSheet
β-strand518
β-strand918
β-strand10-1129
β-strand24-2969
α-helix35-4814
β-strand55-5959
α-helix66-8015
α-helix84-9613
α-helix105-1128
α-helix113-1153
α-helix119-1268
α-helix129-14416
β-strand152-15549
β-strand159-16139
α-helix166-17914

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Elongation factor Tu 1Aprotein394Escherichia coli BL21(DE3)P0CE47 (AlphaFold model)
Thiol:disulfide interchange proteinBprotein182Acinetobacter baumannii AYEA0A0D5YNX0 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4P3Y_1 Elongation factor Tu 1 (chains A)
MSKEKFERTKPHVNVGTIGHVDHGKTTLTAAITTVLAKTYGGAARAFDQIDNAPEEKARG
ITINTSHVEYDTPTRHYAHVDCPGHADYVKNMITGAAQMDGAILVVAATDGPMPQTREHI
LLGRQVGVPYIIVFLNKCDMVDDEELLELVEMEVRELLSQYDFPGDDTPIVRGSALKALE
GDAEWEAKILELAGFLDSYIPEPERAIDKPFLLPIEDVFSISGRGTVVTGRVERGIIKVG
EEVEIVGIKETQKSTCTGVEMFRKLLDEGRAGENVGVLLRGIKREEIERGQVLAKPGTIK
PHTKFESEVYILSKDEGGRHTPFFKGYRPQFYFRTTDVTGTIELPEGVEMVMPGDNIKMV
VTLIHPIAMDDGLRFAIREGGRTVGAGVVAKVLG
Sequence of entity 2 (B), FASTA
>4P3Y_2 Thiol:disulfide interchange protein (chains B)
SNAAGKDYTVIANPGKVEVPGKIEVREFFWYGCPHCFKLEPHMQTWLKQIPSDVRFVRTP
AAMNKVWEQGARTYYTSEALGVRKRTHLPLFHAIQVNGQQIFDQASAAKFFTRYGVPEQK
FNSTYNSFAVTAKVAESNKLAQQYQLTGVPAVVVNGKYVVQGEDGKVTQVLNYLIEKERK
AK

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg1
GDPGuanosine-5'-diphosphateC10 H15 N5 O11 P21

Water and common crystallization additives (GOL) are not listed.

Primary citation

Structure of the Acinetobacter baumannii Dithiol Oxidase DsbA Bound to Elongation Factor EF-Tu Reveals a Novel Protein Interaction Site. Premkumar, L., Kurth, F., Duprez, W. et al. J Biol Chem (2014) 289:19869-19880. DOI 10.1074/jbc.M114.571737 · PubMed

Other PDB entries of the same protein (UniProt P0CE47 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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