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- PDB-1b32: OLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KMK -

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Basic information

Entry
Database: PDB / ID: 1b32
TitleOLIGO-PEPTIDE BINDING PROTEIN (OPPA) COMPLEXED WITH KMK
Components
  • PROTEIN (LYS-MET-LYS)
  • PROTEIN (OLIGO-PEPTIDE BINDING PROTEIN)
KeywordsPEPTIDE BINDING PROTEIN / COMPLEX (PEPTIDE TRANSPORT-PEPTIDE) / PEPTIDE TRANSPORT
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 / URANYL (VI) ION / Periplasmic oligopeptide-binding protein
Similarity search - Component
Biological speciesSalmonella typhimurium (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / OTHER / Resolution: 1.75 Å
AuthorsTame, J.R.H. / Wilkinson, A.J.
Citation
Journal: J.Mol.Biol. / Year: 1999
Title: Crystallographic and calorimetric analysis of peptide binding to OppA protein.
Authors: Sleigh, S.H. / Seavers, P.R. / Wilkinson, A.J. / Ladbury, J.E. / Tame, J.R.
#1: Journal: Nat.Struct.Biol. / Year: 1996
Title: The Role of Water in Sequence-Independent Ligand Binding by an Oligopeptide Transporter Protein
Authors: Tame, J.R.H. / Sleigh, S.H. / Wilkinson, A.J. / Ladbury, J.E.
#2: Journal: Structure / Year: 1995
Title: The Crystal Structures of the Oligopeptide-Binding Protein OppA Complexed with Tripeptide and Tetrapeptide Ligands
Authors: Tame, J.R.H. / Dodson, E.J. / Murshudov, G. / Higgins, C.F. / Wilkinson, A.J.
#3: Journal: Acta Crystallogr.,Sect.D / Year: 1995
Title: Structure Determination of Oppa at 2.3 Angstroms Resolution Using Multiple Wavelength Anomalous Methods
Authors: Glover, I.D. / Denny, R. / Nguti, N.D. / McSweeney, S. / Thompson, A. / Dodson, E. / Wilkinson, A.J. / Tame, J.R.H.
#4: Journal: Science / Year: 1994
Title: The Structural Basis of Sequence-Independent Peptide Binding by OppA Protein
Authors: Tame, J.R.H. / Murshudov, G.N. / Dodson, E.J. / Neil, T.K. / Dodson, G.G. / Higgins, C.F. / Wilkinson, A.J.
History
DepositionDec 15, 1998Deposition site: PDBE / Processing site: RCSB
Revision 1.0Dec 23, 1998Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PROTEIN (OLIGO-PEPTIDE BINDING PROTEIN)
B: PROTEIN (LYS-MET-LYS)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)61,86017
Polymers59,2872
Non-polymers2,57415
Water7,873437
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1990 Å2
ΔGint-20 kcal/mol
Surface area19920 Å2
MethodPISA
Unit cell
γ
α
β
Length a, b, c (Å)109.720, 75.720, 70.310
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein PROTEIN (OLIGO-PEPTIDE 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) / Gene: OPPA / Production host: Escherichia coli (E. coli) / References: UniProt: P06202
#2: Protein/peptide PROTEIN (LYS-MET-LYS)


Mass: 407.571 Da / Num. of mol.: 1 / Source method: obtained synthetically
#3: Chemical
ChemComp-IUM / URANYL (VI) ION / Uranyl


Mass: 270.028 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: O2U
#4: Chemical
ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C2H3O2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 437 / Source method: isolated from a natural source / Formula: H2O

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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: 2.46 Å3/Da / Density % sol: 45 % / Description: FLASH COOLED TO 120K
Crystal growpH: 5.5 / Details: CO-CRYSTALLIZED WITH URANIUM ACETATE, PH 5.5
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
130 mg/mlprotein1drop
25-10 %(w/v)PEG40001reservoir
350 mMsodium acetate1reservoir
41 mMuranyl acetate1reservoir

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Data collection

DiffractionMean temperature: 120 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, Hamburg / Beamline: X11 / Wavelength: 0.97
DetectorType: MARRESEARCH / Detector: IMAGE PLATE
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.75→44.2 Å / Num. obs: 60799 / % possible obs: 96.69 % / Observed criterion σ(I): 0 / Redundancy: 3.3 % / Biso Wilson estimate: 14.2 Å2 / Rmerge(I) obs: 0.059
Reflection shellResolution: 1.75→1.78 Å / Rmerge(I) obs: 0.203 / Mean I/σ(I) obs: 4 / % possible all: 99.2
Reflection shell
*PLUS
% possible obs: 99.2 %

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
CCP4model building
REFMACrefinement
CCP4phasing
RefinementMethod to determine structure: OTHER
Starting model: PDB ENTRY 1OLB

1olb
PDB Unreleased entry


Resolution: 1.75→15 Å / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflection
Rfree0.214 2948 5 %
Rwork0.1816 --
obs-59647 98.6 %
Displacement parametersBiso mean: 17.7 Å2
Refinement stepCycle: LAST / Resolution: 1.75→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4219 0 36 437 4692
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_d0.0290.05
X-RAY DIFFRACTIONp_hb_or_metal_coord
X-RAY DIFFRACTIONp_mcbond_it1.1872
X-RAY DIFFRACTIONp_mcangle_it1.7033
X-RAY DIFFRACTIONp_scbond_it1.5542
X-RAY DIFFRACTIONp_scangle_it2.313
X-RAY DIFFRACTIONp_plane_restr
X-RAY DIFFRACTIONp_chiral_restr
X-RAY DIFFRACTIONp_singtor_nbd0.1760.3
X-RAY DIFFRACTIONp_multtor_nbd0.2480.3
X-RAY DIFFRACTIONp_xhyhbond_nbd
X-RAY DIFFRACTIONp_xyhbond_nbd0.1270.3
X-RAY DIFFRACTIONp_planar_tor3.57
X-RAY DIFFRACTIONp_staggered_tor14.315
X-RAY DIFFRACTIONp_orthonormal_tor
X-RAY DIFFRACTIONp_transverse_tor29.420
X-RAY DIFFRACTIONp_special_tor
Software
*PLUS
Name: REFMAC / Classification: refinement
Refinement
*PLUS
Rfactor Rwork: 0.185
Solvent computation
*PLUS
Displacement parameters
*PLUS

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