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- PDB-1otm: Calcium-binding mutant of the internalin B LRR domain -

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Basic information

Entry
Database: PDB / ID: 1otm
TitleCalcium-binding mutant of the internalin B LRR domain
Componentsinternalin B
KeywordsCELL ADHESION / internalin / InlB / calcium-binding / invasion / Listeria
Function / homology
Function and homology information


peptidoglycan-based cell wall / InlB-mediated entry of Listeria monocytogenes into host cell / heparin binding / lipid binding / cell surface / extracellular region / metal ion binding / plasma membrane / cytoplasm
Similarity search - Function
GW domain / GW domain superfamily / GW (Gly-Tryp) dipeptide domain / GW domain profile. / Listeria/Bacterioides repeat / Listeria-Bacteroides repeat domain superfamily / Listeria-Bacteroides repeat domain (List_Bact_rpt) / Leucine-rich repeat-containing adjacent domain / LRR adjacent / Internalin, N-terminal ...GW domain / GW domain superfamily / GW (Gly-Tryp) dipeptide domain / GW domain profile. / Listeria/Bacterioides repeat / Listeria-Bacteroides repeat domain superfamily / Listeria-Bacteroides repeat domain (List_Bact_rpt) / Leucine-rich repeat-containing adjacent domain / LRR adjacent / Internalin, N-terminal / Bacterial adhesion/invasion protein N terminal / : / Copper resistance protein CopC/internalin, immunoglobulin-like / Leucine rich repeat 4 / Leucine Rich repeats (2 copies) / Leucine-rich repeat, LRR (right-handed beta-alpha superhelix) / Ribonuclease Inhibitor / Alpha-Beta Horseshoe / Leucine-rich repeat, SDS22-like subfamily / Leucine rich repeat / Leucine-rich repeat, typical subtype / Leucine-rich repeats, typical (most populated) subfamily / Leucine-rich repeat profile. / Leucine-rich repeat / Leucine-rich repeat domain superfamily / Immunoglobulin E-set / Alpha Beta
Similarity search - Domain/homology
Internalin B / Internalin B
Similarity search - Component
Biological speciesListeria monocytogenes (bacteria)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.93 Å
AuthorsMarino, M. / Copp, J. / Dramsi, S. / Chapman, T. / van der Geer, P. / Cossart, P. / Ghosh, P.
CitationJournal: Biochem.Biophys.Res.Commun. / Year: 2004
Title: Characterization of the calcium-binding sites of Listeria monocytogenes InlB
Authors: Marino, M. / Banerjee, M. / Copp, J. / Dramsi, S. / Chapman, T. / Van Der Geer, P. / Cossart, P. / Ghosh, P.
History
DepositionMar 21, 2003Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 30, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software
Revision 1.4Oct 27, 2021Group: Advisory / Database references
Category: database_2 / pdbx_unobs_or_zero_occ_atoms / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.5Aug 16, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: internalin B


Theoretical massNumber of molelcules
Total (without water)26,1291
Polymers26,1291
Non-polymers00
Water2,216123
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)45.296, 57.215, 84.840
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 internalin B


Mass: 26128.980 Da / Num. of mol.: 1 / Fragment: LRR domain / Mutation: D51A, D59A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Listeria monocytogenes (bacteria) / Plasmid: pet28b (Novagen) / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P25147, UniProt: P0DQD2*PLUS
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 123 / 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: 2.26 Å3/Da / Density % sol: 45.09 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: Peg 8000, Mes, Calcium acetate, DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Method: vapor diffusion / Details: Marino, M., (1999) Mol.Cell, 4, 1063.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
120 %PEG80001reservoir
2200 mM1reservoirCa(CH3COO-)2
3100 mMMES1reservoir
41 mMdithiothreitol1reservoir

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Data collection

DiffractionMean temperature: 110 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU / Wavelength: 1.5418
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Feb 11, 2000 / Details: Osmic
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.93→15 Å / Num. all: 17061 / Num. obs: 16502 / % possible obs: 96.7 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.93 % / Rsym value: 0.051 / Net I/σ(I): 18
Reflection shellResolution: 1.93→2 Å / Mean I/σ(I) obs: 1.56 / Rsym value: 0.55 / % possible all: 95.5
Reflection
*PLUS
Lowest resolution: 15 Å / % possible obs: 97 % / Rmerge(I) obs: 0.051
Reflection shell
*PLUS
Rmerge(I) obs: 0.55 / Mean I/σ(I) obs: 1.6

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Processing

Software
NameClassification
MAR345data collection
SCALEPACKdata scaling
CNSrefinement
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1d0b

1d0b


Resolution: 1.93→15 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.2401 1631 RANDOM
Rwork0.201 --
all0.206 17134 -
obs0.206 16483 -
Refinement stepCycle: LAST / Resolution: 1.93→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1616 0 0 123 1739
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.004235
X-RAY DIFFRACTIONc_angle_deg1.18043
Refinement
*PLUS
% reflection Rfree: 10 % / Rfactor Rfree: 0.24
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.0042
X-RAY DIFFRACTIONc_angle_deg1.18

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