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- PDB-2j8d: X-ray high resolution structure of the photosynthetic reaction ce... -

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Basic information

Entry
Database: PDB / ID: 2j8d
TitleX-ray high resolution structure of the photosynthetic reaction center from Rb. sphaeroides at pH 8 in the charge-separated state
Components(REACTION CENTER PROTEIN ...) x 3
KeywordsELECTRON TRANSPORT / BACTERIOCHLOROPHYLL / PHOSPHATIDYLCHOLINE / CHLOROPHYLL / CARDIOLIPIN / METAL-BINDING / TRANSMEMBRANE / GLUCOSYLGALACTOSYL DIACYLGLYCEROL / PROTON TRANSLOCATION PATHWAYS / PHOTOSYNTHESIS / REACTION CENTER / IRON / MEMBRANE / TRANSPORT / MAGNESIUM / CHROMOPHORE / BINDING POSITIONS OF THE SECONDARY QUINONE QB
Function / homology
Function and homology information


plasma membrane-derived chromatophore membrane / plasma membrane light-harvesting complex / bacteriochlorophyll binding / photosynthetic electron transport in photosystem II / photosynthesis, light reaction / : / metal ion binding
Similarity search - Function
Photosynthetic Reaction Center; Chain H, domain 1 / Photosynthetic reaction centre, H subunit, N-terminal domain / Photosynthetic Reaction Center; Chain H, domain 2 / Photosynthetic Reaction Center, subunit H, domain 2 / Photosynthetic Reaction Center, subunit M; domain 1 / Photosystem II protein D1-like / 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 Center; Chain H, domain 1 / Photosynthetic reaction centre, H subunit, N-terminal domain / Photosynthetic Reaction Center; Chain H, domain 2 / Photosynthetic Reaction Center, subunit H, domain 2 / Photosynthetic Reaction Center, subunit M; domain 1 / Photosystem II protein D1-like / 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 / PRC-barrel domain / Photosynthetic reaction centre, H subunit, N-terminal domain superfamily / Photosynthetic reaction centre, H-chain N-terminal region / 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. / Few Secondary Structures / Irregular / Alpha-Beta Complex / Up-down Bundle / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
BACTERIOCHLOROPHYLL A / BACTERIOPHEOPHYTIN A / CARDIOLIPIN / : / HEPTANE-1,2,3-TRIOL / PHOSPHATE ION / SPHEROIDENE / 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: 2.07 Å
AuthorsKoepke, J. / Diehm, R. / Fritzsch, G.
CitationJournal: J.Mol.Biol. / Year: 2007
Title: Ph Modulates the Quinone Position in the Photosynthetic Reaction Center from Rhodobacter Sphaeroides in the Neutral and Charge Separated States.
Authors: Koepke, J. / Krammer, E.M. / Klingen, A.R. / Sebban, P. / Ullmann, G.M. / Fritzsch, G.
History
DepositionOct 24, 2006Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 3, 2007Provider: repository / Type: Initial release
Revision 1.1Aug 17, 2011Group: Atomic model / Derived calculations ...Atomic model / Derived calculations / Non-polymer description / Other / Version format compliance
Revision 1.2Jul 24, 2019Group: Data collection / Category: diffrn_source / Item: _diffrn_source.pdbx_synchrotron_site
Revision 1.3Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 700 SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN ... SHEET THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, TWO SHEETS ARE DEFINED.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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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)106,15233
Polymers93,8113
Non-polymers12,34130
Water7,386410
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area42270 Å2
ΔGint-216.1 kcal/mol
Surface area30490 Å2
MethodPISA
Unit cell
Length a, b, c (Å)140.010, 140.010, 184.760
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121

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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 CENTER H SUBUNIT


Mass: 28066.322 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PH 8 NEUTRAL STATE / Source: (natural) RHODOBACTER SPHAEROIDES (bacteria) / References: UniProt: P0C0Y7
#2: Protein REACTION CENTER PROTEIN L CHAIN / PHOTOSYNTHETIC REACTION CENTER L SUBUNIT


Mass: 31346.389 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PH 8 NEUTRAL STATE / Source: (natural) RHODOBACTER SPHAEROIDES (bacteria) / References: UniProt: P0C0Y8
#3: Protein REACTION CENTER PROTEIN M CHAIN / PHOTOSYNTHETIC REACTION CENTER M SUBUNIT


Mass: 34398.543 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PH 8 NEUTRAL STATE / Source: (natural) RHODOBACTER SPHAEROIDES (bacteria) / References: UniProt: P0C0Y9

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Non-polymers , 11 types, 440 molecules

#4: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical
ChemComp-BCL / BACTERIOCHLOROPHYLL A


Mass: 911.504 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C55H74MgN4O6
#6: Chemical
ChemComp-LDA / LAURYL DIMETHYLAMINE-N-OXIDE


Mass: 229.402 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: C14H31NO / Comment: LDAO, detergent*YM
#7: Chemical ChemComp-BPH / BACTERIOPHEOPHYTIN A


Mass: 889.215 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C55H76N4O6
#8: Chemical ChemComp-U10 / UBIQUINONE-10 / Coenzyme Q10


Mass: 863.343 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C59H90O4
#9: Chemical ChemComp-PO4 / PHOSPHATE ION


Mass: 94.971 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: PO4
#10: Chemical ChemComp-HTO / HEPTANE-1,2,3-TRIOL


Mass: 148.200 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C7H16O3
#11: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Fe
#12: Chemical ChemComp-SPO / SPHEROIDENE


Mass: 568.914 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C41H60O
#13: Chemical ChemComp-CDL / CARDIOLIPIN / DIPHOSPHATIDYL GLYCEROL / BIS-(1,2-DIACYL-SN-GLYCERO-3-PHOSPHO)-1',3'-SN-GLYCEROL


Mass: 1464.043 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C81H156O17P2 / Comment: phospholipid*YM
#14: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 410 / 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: 4.73 Å3/Da / Density % sol: 73.79 % / Description: NONE
Crystal growpH: 8 / Details: pH 8

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: EMBL/DESY, HAMBURG / Beamline: BW7B / Wavelength: 0.8453
DetectorType: MARRESERACH / Detector: IMAGE PLATE / Date: May 2, 2001 / Details: MIRRORS
RadiationMonochromator: DOUBLE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.8453 Å / Relative weight: 1
ReflectionResolution: 2.07→119.52 Å / Num. obs: 123115 / % possible obs: 95.6 % / Observed criterion σ(I): -3 / Redundancy: 2.53 % / Biso Wilson estimate: 25.61 Å2 / Rmerge(I) obs: 0.1 / Net I/σ(I): 10.84
Reflection shellResolution: 2.07→2.1 Å / Rmerge(I) obs: 0.33 / Mean I/σ(I) obs: 2.22 / % possible all: 95

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1PCR

1pcr


Resolution: 2.07→119.52 Å / Cor.coef. Fo:Fc: 0.95 / Cor.coef. Fo:Fc free: 0.94 / SU B: 3.218 / SU ML: 0.086 / Cross valid method: THROUGHOUT / ESU R: 0.124 / ESU R Free: 0.117 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.218 2459 2 %RANDOM
Rwork0.197 ---
obs0.198 119432 95.6 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 30.65 Å2
Refinement stepCycle: LAST / Resolution: 2.07→119.52 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6650 0 799 410 7859
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.020.0227577
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg2.5452.04810327
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4225820
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.37422.589282
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.38115979
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.8391532
X-RAY DIFFRACTIONr_chiral_restr0.1180.21005
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.025596
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2060.23735
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.3180.25074
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1310.2435
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1690.226
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1250.218
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.9181.54184
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.47126523
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.15333958
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.084.53796
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.07→2.12 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.308 179
Rwork0.272 8681

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