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- PDB-1b2h: Oligo-Peptide Binding Protein Complexed with Lysyl-Ornithyl-Lysine -

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Basic information

Entry
Database: PDB / ID: 1b2h
TitleOligo-Peptide Binding Protein Complexed with Lysyl-Ornithyl-Lysine
Components
  • LYS-ORN-LYS
  • PERIPLASMIC OLIGOPEPTIDE-BINDING PROTEIN
KeywordsPEPTIDE BINDING PROTEIN
Function / homology
Function and homology information


peptide transport / peptide transmembrane transporter activity / ATP-binding cassette (ABC) transporter complex / protein transport / outer membrane-bounded periplasmic space
Similarity search - Function
Dipeptide-binding Protein; domain 1 / Dipeptide-binding Protein; Domain 1 / Solute-binding protein family 5, conserved site / Bacterial extracellular solute-binding proteins, family 5 signature. / Dipeptide-binding Protein; domain 3 / Dipeptide-binding Protein; Domain 3 / Peptide/nickel binding protein, MppA-type / Solute-binding protein family 5 domain / Solute-binding protein family 5 / Bacterial extracellular solute-binding proteins, family 5 Middle ...Dipeptide-binding Protein; domain 1 / Dipeptide-binding Protein; Domain 1 / Solute-binding protein family 5, conserved site / Bacterial extracellular solute-binding proteins, family 5 signature. / Dipeptide-binding Protein; domain 3 / Dipeptide-binding Protein; Domain 3 / Peptide/nickel binding protein, MppA-type / Solute-binding protein family 5 domain / Solute-binding protein family 5 / Bacterial extracellular solute-binding proteins, family 5 Middle / Periplasmic binding protein-like II / D-Maltodextrin-Binding Protein; domain 2 / Roll / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / URANIUM ATOM / Periplasmic oligopeptide-binding protein
Similarity search - Component
Biological speciesSalmonella typhimurium (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsDavies, T.G. / Tame, J.R.H.
Citation
Journal: Protein Sci. / Year: 1999
Title: Relating structure to thermodynamics: the crystal structures and binding affinity of eight OppA-peptide complexes.
Authors: Davies, T.G. / Hubbard, R.E. / Tame, J.R.
#1: Journal: Structure / Year: 1995
Title: The Crystal Structures of the Oligopeptide-Binding Protein Oppa Complexed with Tripeptide and Tetrapeptide Ligands
Authors: Tame, J.R. / Dodson, E.J. / Murshudov, G. / Higgins, C.F. / Wilkinson, A.J.
History
DepositionNov 16, 1998Deposition site: PDBE / Processing site: RCSB
Revision 1.0Nov 16, 1998Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PERIPLASMIC OLIGOPEPTIDE-BINDING PROTEIN
B: LYS-ORN-LYS
hetero molecules


Theoretical massNumber of molelcules
Total (without water)61,23311
Polymers59,2702
Non-polymers1,9639
Water6,774376
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
γ
α
β
Length a, b, c (Å)109.659, 76.124, 70.240
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Cell settingorthorhombic
Space group name H-MP212121

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Components

#1: Protein PERIPLASMIC OLIGOPEPTIDE-BINDING PROTEIN / OPPA


Mass: 58878.984 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Salmonella typhimurium (bacteria) / Production host: Escherichia coli (E. coli) / References: UniProt: P06202
#2: Protein/peptide LYS-ORN-LYS


Mass: 390.521 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Chemical ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Chemical
ChemComp-U1 / URANIUM ATOM


Mass: 238.029 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: U
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 376 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer detailsTHE SOLVENT STRUCTURE AROUND THE URANIUM IONS IS TENTATIVE

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.47 Å3/Da / Density % sol: 50.24 %
Crystal growpH: 5.5 / Details: pH 5.5
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
125 mg/mlprotein1drop
27 %PEG40001reservoir
31 mMuranyl acetate1reservoir
450 mMsodium acetate1reservoir

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Data collection

DiffractionMean temperature: 120 K
Diffraction sourceSource: ROTATING ANODE / Wavelength: 1.5418
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.9→20 Å / Num. obs: 46360 / % possible obs: 98.5 % / Redundancy: 4.8 % / Rmerge(I) obs: 0.087 / Net I/σ(I): 6
Reflection shell
*PLUS
% possible obs: 90.4 % / Rmerge(I) obs: 0.144 / Mean I/σ(I) obs: 4.4

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Processing

Software
NameVersionClassification
DENZOdata reduction
SCALAdata scaling
REFMACrefinement
CCP4(SCALA)data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.9→20 Å / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflection
Rfree0.22 -5 %
Rwork0.18 --
obs-43992 98.5 %
Displacement parametersBiso mean: 28 Å2
Refinement stepCycle: LAST / Resolution: 1.9→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4192 0 12 376 4580
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONp_bond_d0.010.02
X-RAY DIFFRACTIONp_angle_d0.0270.04
X-RAY DIFFRACTIONp_angle_deg
X-RAY DIFFRACTIONp_planar_d
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it1.2322
X-RAY DIFFRACTIONp_mcangle_it1.7663
X-RAY DIFFRACTIONp_scbond_it1.5622
X-RAY DIFFRACTIONp_scangle_it2.3533
X-RAY DIFFRACTIONp_plane_restr0.0280.05
X-RAY DIFFRACTIONp_chiral_restr
X-RAY DIFFRACTIONp_singtor_nbd0.1760.3
X-RAY DIFFRACTIONp_multtor_nbd0.2470.3
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd0.1280.3
X-RAY DIFFRACTIONp_planar_tor3.67
X-RAY DIFFRACTIONp_staggered_tor1415
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor
X-RAY DIFFRACTIONp_special_tor
Software
*PLUS
Name: REFMAC / Classification: refinement
Refinement
*PLUS
Rfactor Rfree: 0.218 / Rfactor Rwork: 0.184
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Type: p_angle_d / Dev ideal: 0.029

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