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- PDB-1bm1: CRYSTAL STRUCTURE OF BACTERIORHODOPSIN IN THE LIGHT-ADAPTED STATE -

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Basic information

Entry
Database: PDB / ID: 1bm1
TitleCRYSTAL STRUCTURE OF BACTERIORHODOPSIN IN THE LIGHT-ADAPTED STATE
ComponentsBACTERIORHODOPSIN
KeywordsPHOTORECEPTOR / PROTON PUMP / MEMBRANE PROTEIN / RETINAL PROTEIN
Function / homology
Function and homology information


light-driven active monoatomic ion transmembrane transporter activity / monoatomic ion channel activity / photoreceptor activity / phototransduction / proton transmembrane transport / plasma membrane
Similarity search - Function
Bacterial rhodopsins retinal binding site. / Bacterial rhodopsins signature 1. / Rhodopsin, retinal binding site / Bacteriorhodopsin-like protein / Archaeal/bacterial/fungal rhodopsins / Bacteriorhodopsin-like protein / Rhopdopsin 7-helix transmembrane proteins / Rhodopsin 7-helix transmembrane proteins / Up-down Bundle / Mainly Alpha
Similarity search - Domain/homology
Chem-DPG / RETINAL / Bacteriorhodopsin
Similarity search - Component
Biological speciesHalobacterium salinarum (Halophile)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.5 Å
AuthorsSato, H. / Takeda, K. / Tani, K. / Hino, T. / Okada, T. / Nakasako, M. / Kamiya, N. / Kouyama, T.
Citation
Journal: Acta Crystallogr.,Sect.D / Year: 1999
Title: Specific lipid-protein interactions in a novel honeycomb lattice structure of bacteriorhodopsin.
Authors: Sato, H. / Takeda, K. / Tani, K. / Hino, T. / Okada, T. / Nakasako, M. / Kamiya, N. / Kouyama, T.
#1: Journal: J.Mol.Biol. / Year: 1998
Title: A Novel Three-Dimensional Crystal of Bacteriorhodopsin Obtained by Successive Fusion of the Vesicular Assemblies
Authors: Takeda, K. / Sato, H. / Hino, T. / Kono, M. / Fukuda, K. / Sakurai, I. / Okada, T. / Kouyama, T.
History
DepositionJul 28, 1998Processing site: BNL
Revision 1.0Apr 27, 1999Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 2.0Aug 2, 2023Group: Database references / Derived calculations ...Database references / Derived calculations / Other / Polymer sequence / Refinement description
Category: database_2 / entity_poly ...database_2 / entity_poly / pdbx_database_status / pdbx_initial_refinement_model / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _entity_poly.pdbx_seq_one_letter_code_can / _pdbx_database_status.process_site / _struct_conn.pdbx_leaving_atom_flag / _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_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
Revision 2.1Nov 13, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
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Assembly

Deposited unit
A: BACTERIORHODOPSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)27,9693
Polymers26,7971
Non-polymers1,1722
Water00
1
A: BACTERIORHODOPSIN
hetero molecules

A: BACTERIORHODOPSIN
hetero molecules

A: BACTERIORHODOPSIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)83,9079
Polymers80,3923
Non-polymers3,5156
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_655-y+1,x-y,z1
crystal symmetry operation3_665-x+y+1,-x+1,z1
Buried area11090 Å2
ΔGint-87 kcal/mol
Surface area26690 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)104.700, 104.700, 114.100
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number177
Space group name H-MP622

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Components

#1: Protein BACTERIORHODOPSIN


Mass: 26797.381 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Halobacterium salinarum (Halophile) / Strain: JW3 / References: UniProt: P02945
#2: Chemical ChemComp-RET / RETINAL


Mass: 284.436 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C20H28O
#3: Chemical ChemComp-DPG / PHOSPHORIC ACID 2,3-BIS-(3,7,11,15-TETRAMETHYL-HEXADECYLOXY)-PROPYL ESTER 2-HYDROXO-3-PHOSPHONOOXY-PROPYL ESTER / DPHPG


Mass: 887.195 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C46H96O11P2 / Comment: phospholipid*YM
Has protein modificationY

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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: 3.37 Å3/Da / Density % sol: 63.47 %
Description: DATA WERE COLLECTED USING THE WEISSENBERG METHOD
Crystal growpH: 5.2 / Details: pH 5.2
Crystal grow
*PLUS
Temperature: 278 K / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
12.0 Mammonium sulfate1reservoir
20.08 Msodium citrate1reservoir

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Data collection

DiffractionMean temperature: 285 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-18B / Wavelength: 1.012
DetectorType: FUJI / Detector: IMAGE PLATE / Date: Nov 14, 1996
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.012 Å / Relative weight: 1
ReflectionResolution: 3.5→50 Å / Num. obs: 4000 / % possible obs: 80.2 % / Observed criterion σ(I): 2 / Redundancy: 7.4 % / Biso Wilson estimate: 22 Å2 / Rmerge(I) obs: 0.103 / Rsym value: 0.103
Reflection shellResolution: 3.5→3.65 Å / Redundancy: 4.8 % / Rmerge(I) obs: 0.159 / Rsym value: 0.159 / % possible all: 45.2
Reflection shell
*PLUS
% possible obs: 45.2 %

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Processing

Software
NameVersionClassification
X-PLOR3.851model building
X-PLOR3.851refinement
WEISdata reduction
CCP4(SCALA)data scaling
X-PLOR3.851phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2BRD

2brd


Resolution: 3.5→8 Å / σ(F): 2
RfactorNum. reflection% reflectionSelection details
Rfree0.311 -10 %RANDOM
Rwork0.26 ---
obs0.26 3534 72.1 %-
Refinement stepCycle: LAST / Resolution: 3.5→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1717 0 70 0 1787
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.009
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_deg1.359
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d20.07
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.301
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
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMTOPHCSDX.PRO
X-RAY DIFFRACTION2RET.PARRET.TOP
X-RAY DIFFRACTION3DPG.PARDPG.TOP
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.269
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg20.076
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.301
LS refinement shell
*PLUS
Rfactor Rfree: 0.361 / Num. reflection obs: 247 / Rfactor obs: 0.272

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