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- PDB-1lag: STRUCTURAL BASES FOR MULTIPLE LIGAND SPECIFICITY OF THE PERIPLASM... -

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Basic information

Entry
Database: PDB / ID: 1lag
TitleSTRUCTURAL BASES FOR MULTIPLE LIGAND SPECIFICITY OF THE PERIPLASMIC LYSINE-, ARGININE-, ORNITHINE-BINDING PROTEIN
ComponentsLYSINE, ARGININE, ORNITHINE-BINDING PROTEIN
KeywordsAMINO ACID TRANSPORT
Function / homology
Function and homology information


amino acid binding / amino acid transport / outer membrane-bounded periplasmic space
Similarity search - Function
Specific amino acids and opine-binding periplasmic protein, ABC transporter / Solute-binding protein family 3, conserved site / Bacterial extracellular solute-binding proteins, family 3 signature. / Bacterial periplasmic substrate-binding proteins / Bacterial extracellular solute-binding proteins, family 3 / Solute-binding protein family 3/N-terminal domain of MltF / Periplasmic binding protein-like II / D-Maltodextrin-Binding Protein; domain 2 / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
HISTIDINE / Lysine/arginine/ornithine-binding periplasmic protein
Similarity search - Component
Biological speciesSalmonella typhimurium (bacteria)
MethodX-RAY DIFFRACTION / Resolution: 2.06 Å
AuthorsKim, S.-H. / Oh, B.-H.
Citation
Journal: J.Biol.Chem. / Year: 1994
Title: Structural basis for multiple ligand specificity of the periplasmic lysine-, arginine-, ornithine-binding protein.
Authors: Oh, B.H. / Ames, G.F. / Kim, S.H.
#1: Journal: J.Biol.Chem. / Year: 1993
Title: Three-Dimensional Structures of the Periplasmic Lysine-, Arginine-, Ornithine-Binding Protein with and without a Ligand
Authors: Oh, B.-H. / Pandit, J. / Kang, C.-H. / Nikaido, K. / Gokcen, S. / Ames, G.F.-L. / Kim, S.-H.
History
DepositionOct 6, 1993Processing site: BNL
Revision 1.0Jul 10, 1995Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Oct 30, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
E: LYSINE, ARGININE, ORNITHINE-BINDING PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)26,2142
Polymers26,0581
Non-polymers1561
Water2,414134
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)37.490, 58.190, 117.650
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Atom site foot note1: CIS PROLINE - PRO E 16
2: THE FOLLOWING FIVE RESIDUES HAVE BEEN MODELED AS ALANINE DUE TO THE ABSENCE OF ELECTRON DENSITY FOR THEIR SIDE CHAIN: GLN E 4, LYS E 110, LYS E 188, LYS E 189, AND LYS E 228.

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Components

#1: Protein LYSINE, ARGININE, ORNITHINE-BINDING PROTEIN


Mass: 26058.314 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Salmonella typhimurium (bacteria) / References: UniProt: P02911
#2: Chemical ChemComp-HIS / HISTIDINE


Type: L-peptide linking / Mass: 156.162 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H10N3O2
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 134 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.46 Å3/Da / Density % sol: 50.03 %
Crystal grow
*PLUS
pH: 6.5 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
115 mg/mlprotein1drop
20.1 Msodium acetate1dropprecipitant
30.05 Msodium cacodylate1dropprecipitant
425 %PEG40001dropprecipitant
5precipitant1reservoir20 ml

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.06 Å / % possible obs: 88.3 % / Observed criterion σ(F): 1 / Rmerge F obs: 0.0644

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
RefinementResolution: 2.06→6 Å / Rfactor Rwork: 0.162 / Rfactor obs: 0.162 / σ(F): 1
Refinement stepCycle: LAST / Resolution: 2.06→6 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1825 0 0 134 1959
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.013
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg2.7
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.22
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Biso mean: 25.4 Å2
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.22

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