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- PDB-6z27: Photosynthetic Reaction Center From Rhodobacter Sphaeroides strai... -

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Basic information

Entry
Database: PDB / ID: 6z27
TitlePhotosynthetic Reaction Center From Rhodobacter Sphaeroides strain RV LCP crystallization
Components(Reaction center protein ...Photosynthetic reaction centre) x 3
KeywordsPHOTOSYNTHESIS / Photosynthetic reaction center / bacteriochlorophyll / Rhodobacter sphaeroides / serial crystallography / mesophase crystallization / lipid sponge phase / lipid cubic phase / spheroidene / ubiquinone
Function / homology
Function and homology information


plasma membrane-derived chromatophore membrane / plasma membrane light-harvesting complex / bacteriochlorophyll binding / photosynthesis, light reaction / electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity / photosynthetic electron transport in photosystem II / metal ion binding
Similarity search - Function
Photosynthetic reaction centre, H subunit / Bacterial photosynthetic reaction centre, H-chain, C-terminal / Photosynthetic reaction centre, M subunit / Photosynthetic reaction centre, H subunit, N-terminal / Photosynthetic reaction centre, H subunit, N-terminal domain superfamily / Photosynthetic reaction centre, H-chain N-terminal region / PRC-barrel domain / PRC-barrel domain / Photosynthetic reaction centre, L subunit / PRC-barrel-like superfamily ...Photosynthetic reaction centre, H subunit / Bacterial photosynthetic reaction centre, H-chain, C-terminal / Photosynthetic reaction centre, M subunit / Photosynthetic reaction centre, H subunit, N-terminal / Photosynthetic reaction centre, H subunit, N-terminal domain superfamily / Photosynthetic reaction centre, H-chain N-terminal region / PRC-barrel domain / PRC-barrel domain / Photosynthetic reaction centre, L subunit / PRC-barrel-like superfamily / Photosynthetic reaction centre, L/M / Photosystem II protein D1/D2 superfamily / Photosynthetic reaction centre protein / Photosynthetic reaction center proteins signature.
Similarity search - Domain/homology
BACTERIOCHLOROPHYLL A / BACTERIOPHEOPHYTIN A / : / (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate / PHOSPHATE ION / UBIQUINONE-10 / Reaction center protein H chain / Reaction center protein L chain / Reaction center protein M chain
Similarity search - Component
Biological speciesRhodobacter sphaeroides (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.1 Å
AuthorsGabdulkhakov, A.G. / Fufina, T.Y. / Vasilieva, L.G. / Betzel, C. / Selikhanov, G.K.
Funding support Russian Federation, 1items
OrganizationGrant numberCountry
Russian Foundation for Basic Research18-02-40008_mega Russian Federation
CitationJournal: Iucrj / Year: 2020
Title: Novel approaches for the lipid sponge phase crystallization of the Rhodobacter sphaeroides photosynthetic reaction center.
Authors: Selikhanov, G. / Fufina, T. / Vasilieva, L. / Betzel, C. / Gabdulkhakov, A.
History
DepositionMay 15, 2020Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 2, 2020Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
H: Reaction center protein H chain
L: Reaction center protein L chain
M: Reaction center protein M chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)101,77829
Polymers92,2933
Non-polymers9,48426
Water2,900161
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area35370 Å2
ΔGint-240 kcal/mol
Surface area28190 Å2
MethodPISA
Unit cell
Length a, b, c (Å)99.914, 99.914, 234.047
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number94
Space group name H-MP42212
Space group name HallP4n2n
Symmetry operation#1: x,y,z
#2: -y+1/2,x+1/2,z+1/2
#3: y+1/2,-x+1/2,z+1/2
#4: x+1/2,-y+1/2,-z+1/2
#5: -x+1/2,y+1/2,-z+1/2
#6: -x,-y,z
#7: y,x,-z
#8: -y,-x,-z

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Components

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Reaction center protein ... , 3 types, 3 molecules HLM

#1: Protein Reaction center protein H chain / Photosynthetic reaction centre / Photosynthetic reaction center H subunit


Mass: 27047.104 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: puhA / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y7
#2: Protein Reaction center protein L chain / Photosynthetic reaction centre / Photosynthetic reaction center L subunit


Mass: 31360.416 Da / Num. of mol.: 1 / Mutation: S178T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufL / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y8
#3: Protein Reaction center protein M chain / Photosynthetic reaction centre / Photosynthetic reaction center M subunit


Mass: 33885.922 Da / Num. of mol.: 1 / Mutation: S8T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rhodobacter sphaeroides (bacteria) / Gene: pufM / Production host: Rhodobacter sphaeroides (bacteria) / References: UniProt: P0C0Y9

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Non-polymers , 9 types, 187 molecules

#4: Chemical
ChemComp-LDA / LAURYL DIMETHYLAMINE-N-OXIDE / Lauryldimethylamine oxide


Mass: 229.402 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C14H31NO / Comment: LDAO, detergent*YM
#5: Chemical
ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: PO4
#6: Chemical ChemComp-OLC / (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate / 1-Oleoyl-R-glycerol


Mass: 356.540 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H40O4
#7: Chemical
ChemComp-BCL / BACTERIOCHLOROPHYLL A / Bacteriochlorophyll


Mass: 911.504 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C55H74MgN4O6 / Feature type: SUBJECT OF INVESTIGATION
#8: Chemical ChemComp-BPH / BACTERIOPHEOPHYTIN A / Pheophytin


Mass: 889.215 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C55H76N4O6
#9: Chemical ChemComp-FE / FE (III) ION / Iron


Mass: 55.845 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe
#10: Chemical ChemComp-U10 / UBIQUINONE-10 / Coenzyme Q10 / Coenzyme Q10


Mass: 863.343 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C59H90O4 / Feature type: SUBJECT OF INVESTIGATION
#11: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#12: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 161 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 3.16 Å3/Da / Density % sol: 61.13 %
Crystal growTemperature: 289 K / Method: batch mode
Details: 1-mono-oleyl-rac-glycerol (MO), 1,2,3-heptanetriol, Jeffamine M600, N,N-dimethyldodecylamine-N-oxide (LDAO)

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.861 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Jun 21, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.861 Å / Relative weight: 1
ReflectionResolution: 2.07→50 Å / Num. obs: 72564 / % possible obs: 99.9 % / Redundancy: 11.06 % / Biso Wilson estimate: 52.2 Å2 / CC1/2: 0.99 / Rmerge(I) obs: 0.075 / Net I/σ(I): 15.94
Reflection shellResolution: 2.07→2.13 Å / Mean I/σ(I) obs: 1.14 / Num. unique obs: 5862 / CC1/2: 0.31

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Processing

Software
NameVersionClassification
REFMAC1.18_3861refinement
PHENIX1.18_3861refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 3V3Y

3v3y


Resolution: 2.1→48.86 Å / SU ML: 0.2725 / Cross valid method: FREE R-VALUE / σ(F): 1.36 / Phase error: 25.4563
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2357 1737 2.48 %
Rwork0.2086 68296 -
obs0.2092 70033 99.98 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 59.94 Å2
Refinement stepCycle: LAST / Resolution: 2.1→48.86 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6390 0 649 161 7200
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00847308
X-RAY DIFFRACTIONf_angle_d1.031110003
X-RAY DIFFRACTIONf_chiral_restr0.05491008
X-RAY DIFFRACTIONf_plane_restr0.0061223
X-RAY DIFFRACTIONf_dihedral_angle_d20.92752538
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.1-2.160.3421430.3125613X-RAY DIFFRACTION100
2.16-2.230.31141420.29315592X-RAY DIFFRACTION99.98
2.23-2.310.32961420.27395591X-RAY DIFFRACTION100
2.31-2.40.3021430.25675616X-RAY DIFFRACTION100
2.4-2.510.29191430.24935622X-RAY DIFFRACTION100
2.51-2.650.24811430.23175616X-RAY DIFFRACTION99.98
2.65-2.810.25281430.22095647X-RAY DIFFRACTION100
2.81-3.030.241450.21125697X-RAY DIFFRACTION100
3.03-3.330.24641450.20935692X-RAY DIFFRACTION100
3.33-3.820.22671450.19055720X-RAY DIFFRACTION100
3.82-4.810.20461480.18785800X-RAY DIFFRACTION99.98
4.81-48.860.22431550.2016090X-RAY DIFFRACTION99.87

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