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(-) Description

Title :  CRYSTAL STRUCTURE OF ARCHAERHODOPSIN-2 AT 1.8 ANGSTROM RESOLUTION
 
Authors :  T. Kouyama
Date :  27 Jan 14  (Deposition) - 15 Oct 14  (Release) - 15 Oct 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (3x)
Keywords :  7 Trans-Membrane Helices, Light-Driven Proton Pump, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. Kouyama, R. Fujii, S. Kanada, T. Nakanishi, S. K. Chan, M. Murakami
Structure Of Archaerhodopsin-2 At 1. 8 A Resolution
Acta Crystallogr. , Sect. D V. 70 2692 2014
PubMed: search  |  Reference-DOI: 10.1107/S1399004714017313

(-) Compounds

Molecule 1 - ARCHAERHODOPSIN-2
    ChainsA
    Organism ScientificHALOBACTERIUM
    Organism Taxid29285
    StrainAUS-2
    SynonymAR 2

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 8)

Asymmetric Unit (7, 8)
No.NameCountTypeFull Name
122B1Ligand/IonBACTERIORUBERIN
2L2P1Ligand/Ion2,3-DI-PHYTANYL-GLYCEROL
3L3P1Ligand/Ion2,3-DI-O-PHYTANLY-3-SN-GLYCERO-1-PHOSPHORYL-3'-SN-GLYCEROL-1'-PHOSPHATE
4L4P2Ligand/Ion3-[GLYCEROLYLPHOSPHONYL]-[1,2-DI-PHYTANYL]GLYCEROL
5RET1Ligand/IonRETINAL
6SO41Ligand/IonSULFATE ION
7SQL1Ligand/Ion(6E,10E,14E,18E)-2,6,10,15,19,23-HEXAMETHYLTETRACOSA-2,6,10,14,18,22-HEXAENE
Biological Unit 1 (7, 24)
No.NameCountTypeFull Name
122B3Ligand/IonBACTERIORUBERIN
2L2P3Ligand/Ion2,3-DI-PHYTANYL-GLYCEROL
3L3P3Ligand/Ion2,3-DI-O-PHYTANLY-3-SN-GLYCERO-1-PHOSPHORYL-3'-SN-GLYCEROL-1'-PHOSPHATE
4L4P6Ligand/Ion3-[GLYCEROLYLPHOSPHONYL]-[1,2-DI-PHYTANYL]GLYCEROL
5RET3Ligand/IonRETINAL
6SO43Ligand/IonSULFATE ION
7SQL3Ligand/Ion(6E,10E,14E,18E)-2,6,10,15,19,23-HEXAMETHYLTETRACOSA-2,6,10,14,18,22-HEXAENE

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETRP A:91 , THR A:95 , MET A:123 , TRP A:143 , SER A:146 , THR A:147 , TRP A:187 , TYR A:190 , PRO A:191 , TRP A:194 , ASP A:217 , LYS A:221BINDING SITE FOR RESIDUE RET A 301
2AC2SOFTWAREPHE A:29 , GLY A:35 , ARG A:44 , ALA A:48 , ILE A:51 , THR A:112 , THR A:115 , VAL A:119 , PHE A:145 , TYR A:156 , SER A:160BINDING SITE FOR RESIDUE 22B A 302
3AC3SOFTWAREPHE A:66 , GLY A:67 , ILE A:68 , SER A:133 , LYS A:134 , THR A:135 , ALA A:138 , HOH A:409 , HOH A:428BINDING SITE FOR RESIDUE SO4 A 303
4AC4SOFTWAREALA A:59 , ALA A:63 , TYR A:85 , ALA A:89 , LEU A:92 , VAL A:125 , LEU A:128 , SQL A:308BINDING SITE FOR RESIDUE L2P A 304
5AC5SOFTWAREILE A:26BINDING SITE FOR RESIDUE L3P A 305
6AC6SOFTWAREILE A:113BINDING SITE FOR RESIDUE L4P A 306
7AC7SOFTWAREGLU A:45 , ALA A:48 , ILE A:49 , ARG A:110BINDING SITE FOR RESIDUE L4P A 307
8AC8SOFTWAREL2P A:304BINDING SITE FOR RESIDUE SQL A 308

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3WQJ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3WQJ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3WQJ)

(-) PROSITE Motifs  (2, 2)

Asymmetric Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BACTERIAL_OPSIN_1PS00950 Bacterial rhodopsins signature 1.BACR2_HALS293-105  1A:87-99
2BACTERIAL_OPSIN_RETPS00327 Bacterial rhodopsins retinal binding site.BACR2_HALS2219-230  1A:213-224
Biological Unit 1 (2, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BACTERIAL_OPSIN_1PS00950 Bacterial rhodopsins signature 1.BACR2_HALS293-105  3A:87-99
2BACTERIAL_OPSIN_RETPS00327 Bacterial rhodopsins retinal binding site.BACR2_HALS2219-230  3A:213-224

(-) Exons   (0, 0)

(no "Exon" information available for 3WQJ)

(-) 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:234
 aligned with BACR2_HALS2 | P29563 from UniProtKB/Swiss-Prot  Length:259

    Alignment length:234
                                    16        26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236    
          BACR2_HALS2     7 QAGFDLLNDGRPETLWLGIGTLLMLIGTFYFIARGWGVTDKEAREYYAITILVPGIASAAYLAMFFGIGVTEVELASGTVLDIYYARYADWLFTTPLLLLDLALLAKVDRVTIGTLIGVDALMIVTGLIGALSKTPLARYTWWLFSTIAFLFVLYYLLTSLRSAAAKRSEEVRSTFNTLTALVAVLWTAYPILWIVGTEGAGVVGLGIETLAFMVLDVTAKVGFGFVLLRSRAI 240
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ............hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhh...eeee.....eeee.hhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------BACTERIAL_OPS-----------------------------------------------------------------------------------------------------------------BACTERIAL_OP---------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3wqj A   1 QAGFDLLNDGRPETLWLGIGTLLMLIGTFYFIARGWGVTDKEAREYYAITILVPGIASAAYLAMFFGIGVTEVELASGTVLDIYYARYADWLFTTPLLLLDLALLAKVDRVTIGTLIGVDALMIVTGLIGALSKTPLARYTWWLFSTIAFLFVLYYLLTSLRSAAAKRSEEVRSTFNTLTALVAVLWTAYPILWIVGTEGAGVVGLGIETLAFMVLDVTAKVGFGFVLLRSRAI 234
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230    

   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3WQJ)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3WQJ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3WQJ)

(-) Gene Ontology  (12, 12)

Asymmetric Unit(hide GO term definitions)
Chain A   (BACR2_HALS2 | P29563)
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:0015992    proton transport    The directed movement of protons (hydrogen ions) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    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
        BACR2_HALS2 | P295631vgo 2ei4 2z55

(-) Related Entries Specified in the PDB File

1iw6 STRUCTURE OF BACTERIORHODOPSIN IN THE P622 CRYSTAL
1uaz STRUCTURE OF ARCHAERHODOPSIN-1 IN THE C222(1) CRYSTAL
1vgo THE SAME PROTEIN IN THE P4(3)2(1)2 CRYSTAL
2ei4 THE SAME PROTEIN IN THE P321 CRYSTAL
2z55 THE SAME PROTEIN IN THE P6(3) CRYSTAL
4fbz STRUCTURE OF DELTARHODOPSIN IN THE R32 CRYSTAL