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(-) Description

Title :  STRUCTURE OF HUMAN REGULATOR OF G PROTEIN SIGNALING 2 (RGS2) IN COMPLEX WITH MURINE GALPHA-Q(R183C)
 
Authors :  J. J. G. Tesmer, M. R. Nance
Date :  09 Apr 12  (Deposition) - 30 Jan 13  (Release) - 28 Aug 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.71
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Gtp-Binding, Regulator Of G Protein Signaling, Homology Domain, Gtpase Activation, Signaling Protein-Inhibitor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. R. Nance, B. Kreutz, V. M. Tesmer, R. Sterne-Marr, T. Kozasa, J. J. Tesmer
Structural And Functional Analysis Of The Regulator Of G Protein Signaling 2-G Alpha Q Complex.
Structure V. 21 438 2013
PubMed-ID: 23434405  |  Reference-DOI: 10.1016/J.STR.2012.12.016

(-) Compounds

Molecule 1 - GUANINE NUCLEOTIDE-BINDING PROTEIN G(Q) SUBUNIT ALPHA
    ChainsA
    EC Number3.6.5.1
    EngineeredYES
    Expression SystemTRICHOPLUSIA NI
    Expression System Taxid7111
    FragmentUNP RESIDUES 18-359
    GeneGNAQ
    MutationYES
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
    SynonymGUANINE NUCLEOTIDE-BINDING PROTEIN ALPHA-Q
 
Molecule 2 - REGULATOR OF G-PROTEIN SIGNALING 2
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentRGS DOMAIN, UNP RESIDUES 72-203
    GeneRGS2, G0S8, GIG31
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymRGS2, CELL GROWTH-INHIBITING GENE 31 PROTEIN, G0/G1 SWITCH REGULATORY PROTEIN 8

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (6, 8)

Asymmetric/Biological Unit (6, 8)
No.NameCountTypeFull Name
1ALF1Ligand/IonTETRAFLUOROALUMINATE ION
2CL2Ligand/IonCHLORIDE ION
3CO2Ligand/IonCOBALT (II) ION
4GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
5MES1Ligand/Ion2-(N-MORPHOLINO)-ETHANESULFONIC ACID
6MG1Ligand/IonMAGNESIUM ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:49 , SER A:50 , GLY A:51 , LYS A:52 , SER A:53 , THR A:54 , SER A:156 , LEU A:180 , ARG A:181 , VAL A:182 , CYS A:183 , ASN A:274 , LYS A:275 , ASP A:277 , LEU A:278 , CYS A:330 , ALA A:331 , THR A:332 , ALF A:402 , MG A:407 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE GDP A 401
2AC2SOFTWAREGLY A:48 , GLU A:49 , LYS A:52 , SER A:53 , PRO A:185 , THR A:186 , GLY A:208 , GLN A:209 , GDP A:401 , MG A:407 , HOH A:501 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE ALF A 402
3AC3SOFTWAREHIS A:105 , HIS A:109 , CL A:404 , CL A:405BINDING SITE FOR RESIDUE CO A 403
4AC4SOFTWAREHIS A:109 , CO A:403 , CL A:405BINDING SITE FOR RESIDUE CL A 404
5AC5SOFTWAREHIS A:105 , HIS A:109 , CO A:403 , CL A:404BINDING SITE FOR RESIDUE CL A 405
6AC6SOFTWAREASP A:319 , ASP A:321 , LYS B:142BINDING SITE FOR RESIDUE CO A 406
7AC7SOFTWARESER A:53 , THR A:186 , GDP A:401 , ALF A:402 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE MG A 407
8AC8SOFTWAREGLU A:119 , LYS A:120 , LYS A:133 , ASP A:165 , ASP B:85 , TRP B:113 , LYS B:120 , GLN B:174 , TYR B:178BINDING SITE FOR RESIDUE MES B 301

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4EKD)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4EKD)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4EKD)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4EKD)

(-) Exons   (0, 0)

(no "Exon" information available for 4EKD)

(-) Sequences/Alignments

Asymmetric/Biological 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:318
                                                                                                                                                                                                                                                                                                                                                              
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeeeee.....hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.....hhhhhhhh......eeeeeee....eeeeeee..hhhhhhhhhhhh....eeeeeee.hhhhh........hhhhhhhhhhhhhhhhhhhh..eeeeeeehhhhhhhhh...hhhhh.........hhhhhhhhhhhhhhh.........eeee....hhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4ekd A  37 RRELKLLLLGTGESGKSTFIKQMRIIHGSGYSDEDKRGFTKLVYQNIFTAMQAMIRAMDTLKIPYKYEHNKAHAQLVREVDVEKVSAFDVPDYAAIKSLWNDPGIQECYDRRREYQLSDSTKYYLNDLDRVADPSYLPTQQDVLRVCVPTTGIIEYPFDLQSVIFRMVDVGGQRSERRKWIHCFENVTSIMFLVALSEYDQVLVESDNENRMEESKALFRTIITYPWFQNSSVILFLNKKDLLEEKIMYSHLVDYFPEYDGPQRDAQAAREFILKMFVDLNPDSDKIIYSHFTCATDTENIRFVFAAVKDTILQLNLK 354
                                    46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346        

Chain B from PDB  Type:PROTEIN  Length:132
                                                                                                                                                                    
               SCOP domains d4ekdb_ B: automated matches                                                                                                         SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhh..........hhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4ekd B  69 FGSPSPEEAQLWSEAFDELLASKYGLAAFRAFLKSEFCEENIEFWLACEDFKKTKSPQKLSSKARKIYTDFIEKEAPKEINIDFQTKTLIAQNIQEATSGCFTTAQKRVYSLMENNSYPRFLESEFYQDLCK 200
                                    78        88        98       108       118       128       138       148       158       168       178       188       198  

   Legend:   → Mismatch (orange background)
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    → 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/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4EKD)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4EKD)

(-) Gene Ontology  (67, 73)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        GNAQ_MOUSE | P212792bcj 2rgn 3ah8 3ohm 4ekc 4gnk 4qj3 4qj4 4qj5 5do9
        RGS2_HUMAN | P412202af0 2v4z 4ekc

(-) Related Entries Specified in the PDB File

1agr RGS4 IN COMPLEX WITH GALPHA-I1
2af0 STRUCTURE OF RGS2
2bcj GALPHA-Q IN COMPLEX WITH RGS HOMOLOGY DOMAIN OF G PROTEIN- COUPLED RECEPTOR KINASE 2
2v4z RGS2 TRIPLE MUTANT IN COMPLEX WITH GALPHA-I3
4ekc