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- PDB-7yx7: Modified oligopeptidase B from S. proteomaculans in intermediate ... -

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Basic information

Entry
Database: PDB / ID: 7yx7
TitleModified oligopeptidase B from S. proteomaculans in intermediate conformation with 1 spermine molecule at 1.72 A resolution
ComponentsOligopeptidase B
KeywordsHYDROLASE
Function / homology
Function and homology information


serine-type endopeptidase activity / proteolysis
Similarity search - Function
: / Peptidase S9A, prolyl oligopeptidase / Peptidase S9A, N-terminal domain / Prolyl oligopeptidase, N-terminal beta-propeller domain / Peptidase S9, prolyl oligopeptidase, catalytic domain / Prolyl oligopeptidase family / Alpha/Beta hydrolase fold
Similarity search - Domain/homology
SPERMINE / Oligopeptidase B
Similarity search - Component
Biological speciesSerratia proteamaculans (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.72 Å
AuthorsPetrenko, D.E. / Boyko, K.M. / Nikolaeva, A.Y. / Vlaskina, A.V. / Mikhailova, A.G. / Timofeev, V.I. / Rakitina, T.V.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: Crystals / Year: 2022
Title: Elucidation of the Conformational Transition of Oligopeptidase B by an Integrative Approach Based on the Combination of X-ray, SAXS, and Essential Dynamics Sampling Simulation
Authors: Britikov, V.V. / Timofeev, V.I. / Petrenko, D.E. / Britikova, E.V. / Nikolaeva, A.Y. / Vlaskina, A.V. / Boyko, K.M. / Mikhailova, A.G. / Rakitina, T.V.
History
DepositionFeb 15, 2022Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jan 18, 2023Provider: repository / Type: Initial release
Revision 1.1Jan 31, 2024Group: 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: Oligopeptidase B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,6622
Polymers78,4601
Non-polymers2021
Water10,935607
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)72.950, 100.530, 108.880
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Oligopeptidase B


Mass: 78459.852 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Serratia proteamaculans (bacteria) / Gene: opdB / Production host: Escherichia coli (E. coli) / References: UniProt: B3VI58
#2: Chemical ChemComp-SPM / SPERMINE


Mass: 202.340 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H26N4
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 607 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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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: 2.54 Å3/Da / Density % sol: 51.66 %
Crystal growTemperature: 277 K / Method: counter-diffusion
Details: 200 mM Lithium sulfate, 100 mM Bis-Tris pH 5.5, 23% PEG 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 1 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Oct 10, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.72→30.84 Å / Num. obs: 78927 / % possible obs: 92.53 % / Redundancy: 4.29 % / Rmerge(I) obs: 0.173 / Rrim(I) all: 0.199 / Net I/σ(I): 3.3372
Reflection shellResolution: 1.72→1.81 Å / Redundancy: 4.67 % / Rmerge(I) obs: 0.32 / Mean I/σ(I) obs: 2.1 / Num. unique obs: 12166 / Rrim(I) all: 0.41 / % possible all: 98.83

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Processing

Software
NameVersionClassification
REFMAC5.8.0267refinement
PDB_EXTRACT3.27data extraction
iMOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7OB1

7ob1


Resolution: 1.72→30.45 Å / Cor.coef. Fo:Fc: 0.927 / Cor.coef. Fo:Fc free: 0.899 / SU B: 2.298 / SU ML: 0.076 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.126 / ESU R Free: 0.124 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : REFINED INDIVIDUALLY
RfactorNum. reflection% reflectionSelection details
Rfree0.2386 3960 5 %RANDOM
Rwork0.1989 ---
obs0.2009 74858 92.08 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso max: 83.37 Å2 / Biso mean: 15.474 Å2 / Biso min: 3.43 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å2-0 Å2-0 Å2
2---0.01 Å20 Å2
3---0.01 Å2
Refinement stepCycle: final / Resolution: 1.72→30.45 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5545 0 14 607 6166
Biso mean--21.13 23.15 -
Num. residues----677
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0135743
X-RAY DIFFRACTIONr_bond_other_d0.0010.0155173
X-RAY DIFFRACTIONr_angle_refined_deg1.6341.6527806
X-RAY DIFFRACTIONr_angle_other_deg1.4271.5811903
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.2845684
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.87522.36356
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.98515932
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.0641542
X-RAY DIFFRACTIONr_chiral_restr0.0820.2707
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.026616
X-RAY DIFFRACTIONr_gen_planes_other0.0010.021420
LS refinement shellResolution: 1.72→1.765 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.252 330 -
Rwork0.219 5788 -
all-6118 -
obs--98.17 %

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