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(-) Description

Title :  GLUR0 LIGAND BINDING CORE COMPLEX WITH L-SERINE
 
Authors :  M. L. Mayer, R. Olson, E. Gouaux
Date :  24 Apr 01  (Deposition) - 19 Sep 01  (Release) - 11 Apr 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Membrane Protein, Same Fold As Pbps (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. L. Mayer, R. Olson, E. Gouaux
Mechanisms For Ligand Binding To Glur0 Ion Channels: Crysta Structures Of The Glutamate And Serine Complexes And A Closed Apo State.
J. Mol. Biol. V. 311 815 2001
PubMed-ID: 11518533  |  Reference-DOI: 10.1006/JMBI.2001.4884
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SLR1257 PROTEIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PETGQ
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: GLUR0 LIGAND BINDING CORE, RESIDUES 44-140, 256-385
    Gene: SLR1257, SLR1257 GLUR0
    Organism Scientific: SYNECHOCYSTIS SP. PCC 6803 SUBSTR. KAZUSA
    Organism Taxid: 1111708
    Strain: PCC6803

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1SER1Mod. Amino AcidSERINE
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1SER2Mod. Amino AcidSERINE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREILE A:54 , PRO A:72 , SER A:74 , ARG A:79 , THR A:125 , THR A:126 , ASP A:162 , TYR A:190 , HOH A:1002BINDING SITE FOR RESIDUE SER A 999

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Pro A:14 -Pro A:15

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1IIT)

(-) Exons   (0, 0)

(no "Exon" information available for 1IIT)

(-) 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:222
 aligned with P73797_SYNY3 | P73797 from UniProtKB/TrEMBL  Length:397

    Alignment length:361
                                    44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394 
         P73797_SYNY3    35 GVETVDSQTLKVGVVGNPPFVFYGEGKNAAFTGISLDVWRAVAESQKWNSEYVRQNSISAGITAVAEGELDILIGPISVTPERAAIEGITFTQPYFSSGIGLLIPGKPVSLWERFSPFFGIAALSSAGVLTLLLFLVGNLIWLAEHRKNPEQFSPHYPEGVQNGMWFALVTLTTVGYGDRSPRTKLGQLVAGVWMLVALLSFSSITAGLASAFSTALSEASATPLFRSVGDLKNKEVAVVRDTTAVDWANFYQADVRETNNLTAAITLLQKKQVEAVMFDRPALIYYTRQNPNLNLEVTEIRVSLEPYGFVLKENSPLQKTINVEMLNLLYSRVIAEFTERWLGPGIEENQDLLPQNIGES 395
               SCOP domains d    1iita_ A: Glutamate      receptor ligand binding core                                                                                                                                                                                                                                                                                                                SCOP domains
               CATH domains 1    iitA01 A:1-94,A:188     -225 Periplasmic binding protein-like II                             1iitA02                                                                                                                   A:95-187 Periplasmic binding protein-like II                                         1iitA01 A:1-94,A:188-225              -                - CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .----....eeeee.......ee.-----.eehhhhhhhhhhhhhh...eeeee..hhhhhhhhhhh....eeeeeee.hhhhhh...eee....eeeeeeeeee.------------------------------------------------------------------------------------------------------------------hhh....hhhhhh..eeeee..hhhhhhhhhh..eeeee.hhhhhhhhhhh....eeeeehhhhhhhhhhhhhh.eee.....eeeeeeeeee....hhhhhhhhhhhhhhhhhhhhhhhhhhh----------------. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1iit A   1 G----SAMALKVGVVGNPPFVFYG-----AFTGISLDVWRAVAESQKWNSEYVRQNSISAGITAVAEGELDILIGPISVTPERAAIEGITFTQPYFSSGIGLLIPG------------------------------------------------------------------------------------------------------------------TATPLFRSVGDLKNKEVAVVRDTTAVDWANFYQADVRETNNLTAAITLLQKKQVEAVMFDRPALIYYTRQNPNLNLEVTEIRVSLEPYGFVLKENSPLQKTINVEMLNLLYSRVIAEFTERWLG----------------S 999
                            |    |   6        16   |    26        36        46        56        66        76        86        96     |   -         -         -         -         -         -         -         -         -         -         -         -|      112       122       132       142       152       162       172       182       192       202       212       222   |     -         -|
                            |    2                20    26                                                                         102                                                                                                                103                                                                                                                        226              999
                            1
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  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
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A   (P73797_SYNY3 | P73797)
molecular function
    GO:0004970    ionotropic glutamate receptor activity    Catalysis of the transmembrane transfer of an ion by a channel that opens when glutamate has been bound by the channel complex or one of its constituent parts.
biological process
    GO:0035235    ionotropic glutamate receptor signaling pathway    A series of molecular signals initiated by glutamate binding to a glutamate receptor on the surface of the target cell, followed by the movement of ions through a channel in the receptor complex. Ends with regulation of a downstream cellular process, e.g. transcription.
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.

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 Related Entries

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

UniProtKB/TrEMBL
        P73797_SYNY3 | P73797: 1ii5 1iiw

(-) Related Entries Specified in the PDB File

1ii5 GLUR0 LIGAND BINDING CORE COMPLEX WITH L-GLUTAMATE
1iiw GLUR0 LIGAND BINDING CORE: CLOSED-CLEFT LIGAND-FREE STRUCTURE