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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 :  7.40
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Gtp-Binding Protein Fold, Regulator, G Protein Signaling, Rgs, 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
    Chains: A, C
    EC Number: 3.6.5.1
    Engineered: YES
    Expression System: TRICHOPLUSIA NI
    Expression System Taxid: 7111
    Fragment: UNP RESIDUES 18-359
    Gene: GNAQ
    Mutation: YES
    Organism Common: MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090
    Synonym: GUANINE NUCLEOTIDE-BINDING PROTEIN ALPHA-Q
 
Molecule 2 - REGULATOR OF G-PROTEIN SIGNALING 2
    Chains: B, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RGS DOMAIN, UNP RESIDUES 72-203
    Gene: RGS2, G0S8, GIG31
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: RGS2, CELL GROWTH-INHIBITING GENE 31 PROTEIN, G0/G1 SWITCH REGULATORY PROTEIN 8

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): AB  
Biological Unit 2 (1x):   CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 6)

Asymmetric Unit (3, 6)
No.NameCountTypeFull Name
1ALF2Ligand/IonTETRAFLUOROALUMINATE ION
2GDP2Ligand/IonGUANOSINE-5'-DIPHOSPHATE
3MG2Ligand/IonMAGNESIUM ION
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1ALF1Ligand/IonTETRAFLUOROALUMINATE ION
2GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
3MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (2, 2)
No.NameCountTypeFull Name
1ALF1Ligand/IonTETRAFLUOROALUMINATE ION
2GDP1Ligand/IonGUANOSINE-5'-DIPHOSPHATE
3MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
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:401 , MG A:402 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE GDP A 400
2AC2SOFTWAREGLY A:48 , GLU A:49 , LYS A:52 , PRO A:185 , THR A:186 , GLY A:208 , GLN A:209 , GDP A:400 , MG A:402 , HOH A:501 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE ALF A 401
3AC3SOFTWARESER A:53 , THR A:186 , GDP A:400 , ALF A:401 , HOH A:502 , HOH A:503BINDING SITE FOR RESIDUE MG A 402
4AC4SOFTWAREGLU C:49 , SER C:50 , GLY C:51 , LYS C:52 , SER C:53 , THR C:54 , SER C:156 , LEU C:180 , ARG C:181 , VAL C:182 , CYS C:183 , ASN C:274 , LYS C:275 , ASP C:277 , LEU C:278 , CYS C:330 , ALA C:331 , THR C:332 , ALF C:401 , MG C:402 , HOH C:502 , HOH C:503BINDING SITE FOR RESIDUE GDP C 400
5AC5SOFTWAREGLY C:48 , GLU C:49 , LYS C:52 , PRO C:185 , THR C:186 , GLY C:208 , GLN C:209 , GDP C:400 , MG C:402 , HOH C:501 , HOH C:502 , HOH C:503BINDING SITE FOR RESIDUE ALF C 401
6AC6SOFTWARESER C:53 , THR C:186 , GDP C:400 , ALF C:401 , HOH C:502 , HOH C:503BINDING SITE FOR RESIDUE MG C 402

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4EKC)

(-) 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:317
                                                                                                                                                                                                                                                                                                                                                             
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee....hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh......hhhhhhh.......eeeeeee....eeeeeee..hhhhh.hhhhhh..eeeeeeeee.hhhh.........hhhhhhhhhhhhhhhhhhhh..eeeeeeehhhhhhhhh...hhhhh.........hhhhhhhhhhhhhhh.........eeee....hhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ekc A  37 RRELKLLLLGTGESGKSTFIKQMRIIHGSGYSDEDKRGFTKLVYQNIFTAMQAMIRAMDTLKIPYKYEHNKAHAQLVREVDVEKVSAFDVPDYAAIKSLWNDPGIQECYDRRREYQLSDSTKYYLNDLDRVADPSYLPTQQDVLRVCVPTTGIIEYPFDLQSVIFRMVDVGGQRSERRKWIHCFENVTSIMFLVALSEYDQVLVESDNENRMEESKALFRTIITYPWFQNSSVILFLNKKDLLEEKIMYSHLVDYFPEYDGPQRDAQAAREFILKMFVDLNPDSDKIIYSHFTCATDTENIRFVFAAVKDTILQLNL 353
                                    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:128
                                                                                                                                                                
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhh...hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh...........hhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ekc B  73 SPEEAQLWSEAFDELLASKYGLAAFRAFLKSEFCEENIEFWLACEDFKKTKSPQKLSSKARKIYTDFIEKEAPKEINIDFQTKTLIAQNIQEATSGCFTTAQKRVYSLMENNSYPRFLESEFYQDLCK 200
                                    82        92       102       112       122       132       142       152       162       172       182       192        


Chain C from PDB  Type:PROTEIN  Length:317
                                                                                                                                                                                                                                                                                                                                                             
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.....hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh......hhhhhhh.......eeeeeee....eeeeeee..hhhhh.hhhhhh..eeeeeeeee..............hhhhhhhhhhhhhhhhhhhh..eeeeeeehhhhhhhhh...hhhhh.........hhhhhhhhhhhhhhh.........eeee....hhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ekc C  37 RRELKLLLLGTGESGKSTFIKQMRIIHGSGYSDEDKRGFTKLVYQNIFTAMQAMIRAMDTLKIPYKYEHNKAHAQLVREVDVEKVSAFDVPDYAAIKSLWNDPGIQECYDRRREYQLSDSTKYYLNDLDRVADPSYLPTQQDVLRVCVPTTGIIEYPFDLQSVIFRMVDVGGQRSERRKWIHCFENVTSIMFLVALSEYDQVLVESDNENRMEESKALFRTIITYPWFQNSSVILFLNKKDLLEEKIMYSHLVDYFPEYDGPQRDAQAAREFILKMFVDLNPDSDKIIYSHFTCATDTENIRFVFAAVKDTILQLNL 353
                                    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 D from PDB  Type:PROTEIN  Length:128
                                                                                                                                                                
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhh...hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhh...........hhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ekc D  73 SPEEAQLWSEAFDELLASKYGLAAFRAFLKSEFCEENIEFWLACEDFKKTKSPQKLSSKARKIYTDFIEKEAPKEINIDFQTKTLIAQNIQEATSGCFTTAQKRVYSLMENNSYPRFLESEFYQDLCK 200
                                    82        92       102       112       122       132       142       152       162       172       182       192
   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  (0, 0)

(no "SCOP Domain" information available for 4EKC)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (67, 73)

Asymmetric 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 | P21279: 2bcj 2rgn 3ah8 3ohm 4ekd 4gnk 4qj3 4qj4 4qj5 5do9
        RGS2_HUMAN | P41220: 2af0 2v4z 4ekd

(-) 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
4ekd