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(-) Description

Title :  HALORHODOPSIN, A LIGHT-DRIVEN CHLORIDE PUMP
 
Authors :  M. Kolbe, H. Besir, L. -O. Essen, D. Oesterhelt
Date :  14 Apr 00  (Deposition) - 02 Jun 00  (Release) - 03 Feb 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  Ion Pump, Chloride Pump, Membrane Protein, Retinal Protein, Lipids, Palmitate, Haloarchaea, Chloride Transport, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Kolbe, H. Besir, L. -O. Essen, D. Oesterhelt
Structure Of Light-Driven Chloride Pump Halorhodopsin At 1. 8 A Resolution
Science V. 288 1390 2000
PubMed-ID: 10827943  |  Reference-DOI: 10.1126/SCIENCE.288.5470.1390
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - HALORHODOPSIN
    Cellular LocationMEMBRANE
    ChainsA
    GeneHOP
    MutationYES
    Organism ScientificHALOBACTERIUM SALINARUM
    Organism Taxid2242
    Other DetailsSCHIFF BASE LINKAGE BETWEEN LYS A242 (NZ) AND RET A999 (C15)
    Other Details - SourceH. SAL. STRAIN D2 WAS CONSTRUCTED FOR HOMOLOGOUS OVEREXPRESSION OF HR. SEE ALSO HEYMANN ET AL., MOL. MICROBIOL., VO. 7, 623-630 (1993).
    StrainD2
    SynonymHR

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (3x)A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 14)

Asymmetric Unit (5, 14)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2K1Ligand/IonPOTASSIUM ION
3OLC10Ligand/Ion(2R)-2,3-DIHYDROXYPROPYL (9Z)-OCTADEC-9-ENOATE
4PLM1Ligand/IonPALMITIC ACID
5RET1Ligand/IonRETINAL
Biological Unit 1 (3, 36)
No.NameCountTypeFull Name
1CL-1Ligand/IonCHLORIDE ION
2K-1Ligand/IonPOTASSIUM ION
3OLC30Ligand/Ion(2R)-2,3-DIHYDROXYPROPYL (9Z)-OCTADEC-9-ENOATE
4PLM3Ligand/IonPALMITIC ACID
5RET3Ligand/IonRETINAL

(-) Sites  (13, 13)

Asymmetric Unit (13, 13)
No.NameEvidenceResiduesDescription
01AC1SOFTWARETHR A:111 , SER A:115 , LYS A:242BINDING SITE FOR RESIDUE CL A 501
02AC2SOFTWAREGLY A:83 , VAL A:86BINDING SITE FOR RESIDUE K A 503
03AC3SOFTWARETRP A:112 , THR A:116 , MET A:144 , TYR A:165 , SER A:168 , PHE A:172 , TRP A:207 , TYR A:210 , PRO A:211 , ASP A:238 , LYS A:242BINDING SITE FOR RESIDUE RET A 999
04AC4SOFTWARESER A:75 , LEU A:110 , THR A:111 , PRO A:117 , PHE A:135 , ALA A:139 , VAL A:146BINDING SITE FOR RESIDUE PLM A 700
05AC5SOFTWARETRP A:162 , HOH A:2064BINDING SITE FOR RESIDUE OLC A 701
06AC6SOFTWAREOLC A:705 , OLC A:719BINDING SITE FOR RESIDUE OLC A 703
07AC7SOFTWAREOLC A:703BINDING SITE FOR RESIDUE OLC A 705
08AC8SOFTWAREALA A:157 , LEU A:159 , PHE A:160 , OLC A:717BINDING SITE FOR RESIDUE OLC A 709
09AC9SOFTWAREILE A:212BINDING SITE FOR RESIDUE OLC A 711
10BC1SOFTWAREGLY A:41 , ILE A:42 , LEU A:45 , OLC A:715BINDING SITE FOR RESIDUE OLC A 713
11BC2SOFTWAREVAL A:37 , ALA A:38 , LEU A:45 , OLC A:713 , OLC A:717BINDING SITE FOR RESIDUE OLC A 715
12BC3SOFTWAREARG A:52 , OLC A:709 , OLC A:715BINDING SITE FOR RESIDUE OLC A 717
13BC4SOFTWAREOLC A:703BINDING SITE FOR RESIDUE OLC A 719

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1E12)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1E12)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1E12)

(-) PROSITE Motifs  (2, 2)

Asymmetric Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BACTERIAL_OPSIN_1PS00950 Bacterial rhodopsins signature 1.BACH_HALS3108-120  1A:108-120
BACH_HALSA108-120  1A:108-120
2BACTERIAL_OPSIN_RETPS00327 Bacterial rhodopsins retinal binding site.BACH_HALS3234-245  1A:234-245
BACH_HALSA234-245  1A:234-245
Biological Unit 1 (2, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BACTERIAL_OPSIN_1PS00950 Bacterial rhodopsins signature 1.BACH_HALS3108-120  3A:108-120
BACH_HALSA108-120  3A:108-120
2BACTERIAL_OPSIN_RETPS00327 Bacterial rhodopsins retinal binding site.BACH_HALS3234-245  3A:234-245
BACH_HALSA234-245  3A:234-245

(-) Exons   (0, 0)

(no "Exon" information available for 1E12)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:239
 aligned with BACH_HALS3 | B0R2U4 from UniProtKB/Swiss-Prot  Length:274

    Alignment length:239
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253         
           BACH_HALS3    24 RENALLSSSLWVNVALAGIAILVFVYMGRTIRPGRPRLIWGATLMIPLVSISSYLGLLSGLTVGMIEMPAGHALAGEMVRSQWGRYLTWALSTPMILLALGLLADVDLGSLFTVIAADIGMCVTGLAAAMTTSALLFRWAFYAISCAFFVVVLSALVTDWAASASSAGTAEIFDTLRVLTVVLWLGYPIVWAVGVEGLALVQSVGVTSWAYSVLDVFAKYVFAFILLRWVANNERTVAV 262
               SCOP domains d1e12a_ A: Halorhodopsin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1e12A00 A:24-262 Rhopdopsin 7-helix transmembrane proteins                                                                                                                                                                                      CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhh.....eeee..........eeee.hhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ------------------------------------------------------------------------------------BACTERIAL_OPS-----------------------------------------------------------------------------------------------------------------BACTERIAL_OP----------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1e12 A  24 RENALLSSSLWVNVALAGIAILVFVYMGRTIRPGRPRLIWGATLMIPLVSISSYLGLLSGLTVGMIEMPAGHALAGEMVRSQWGRYLTWALSTPMILLALGLLADVDLGSLFTVIAADIGMCVTGLAAAMTTSALLFRWAFYAISCAFFVVVLSALVTDWAASASSAGTAEIFDTLRVLTVVLWLGYPIVWAVGVEGLALVQSVGATSWAYSVLDVFAKYVFAFILLRWVANNERTVAV 262
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253         

Chain A from PDB  Type:PROTEIN  Length:239
 aligned with BACH_HALSA | P0DMH7 from UniProtKB/Swiss-Prot  Length:274

    Alignment length:239
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253         
           BACH_HALSA    24 RENALLSSSLWVNVALAGIAILVFVYMGRTIRPGRPRLIWGATLMIPLVSISSYLGLLSGLTVGMIEMPAGHALAGEMVRSQWGRYLTWALSTPMILLALGLLADVDLGSLFTVIAADIGMCVTGLAAAMTTSALLFRWAFYAISCAFFVVVLSALVTDWAASASSAGTAEIFDTLRVLTVVLWLGYPIVWAVGVEGLALVQSVGVTSWAYSVLDVFAKYVFAFILLRWVANNERTVAV 262
               SCOP domains d1e12a_ A: Halorhodopsin                                                                                                                                                                                                                        SCOP domains
               CATH domains 1e12A00 A:24-262 Rhopdopsin 7-helix transmembrane proteins                                                                                                                                                                                      CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhh.....eeee..........eeee.hhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------BACTERIAL_OPS-----------------------------------------------------------------------------------------------------------------BACTERIAL_OP----------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1e12 A  24 RENALLSSSLWVNVALAGIAILVFVYMGRTIRPGRPRLIWGATLMIPLVSISSYLGLLSGLTVGMIEMPAGHALAGEMVRSQWGRYLTWALSTPMILLALGLLADVDLGSLFTVIAADIGMCVTGLAAAMTTSALLFRWAFYAISCAFFVVVLSALVTDWAASASSAGTAEIFDTLRVLTVVLWLGYPIVWAVGVEGLALVQSVGATSWAYSVLDVFAKYVFAFILLRWVANNERTVAV 262
                                    33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253         

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit

(-) CATH Domains  (1, 1)

Asymmetric Unit

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1E12)

(-) Gene Ontology  (11, 22)

Asymmetric Unit(hide GO term definitions)
Chain A   (BACH_HALS3 | B0R2U4)
molecular function
    GO:0005216    ion channel activity    Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
    GO:0009881    photoreceptor activity    The function of absorbing and responding to incidental electromagnetic radiation, particularly visible light. The response may involve a change in conformation.
biological process
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0007602    phototransduction    The sequence of reactions within a cell required to convert absorbed photons into a molecular signal.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
    GO:0050896    response to stimulus    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain A   (BACH_HALSA | P0DMH7)
molecular function
    GO:0005216    ion channel activity    Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
    GO:0009881    photoreceptor activity    The function of absorbing and responding to incidental electromagnetic radiation, particularly visible light. The response may involve a change in conformation.
biological process
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0007602    phototransduction    The sequence of reactions within a cell required to convert absorbed photons into a molecular signal.
    GO:0018298    protein-chromophore linkage    The covalent or noncovalent attachment of a chromophore to a protein.
    GO:0050896    response to stimulus    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus. The process begins with detection of the stimulus and ends with a change in state or activity or the cell or organism.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        BACH_HALS3 | B0R2U42jaf 2jag 5ahy 5ahz 5g36
        BACH_HALSA | P0DMH72jaf 2jag

(-) Related Entries Specified in the PDB File

1brr X-RAY STRUCTURE OF THE BACTERIORHODOPSIN TRIMER/LIPID COMPLEX