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(-) Description

Title :  CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B) RECEPTOR BOUND TO THE ANTAGONIST SCH50911
 
Authors :  Y. Geng, M. Bush, L. Mosyak, F. Wang, Q. R. Fan
Date :  17 Sep 13  (Deposition) - 11 Dec 13  (Release) - 05 Feb 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.35
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Heterodimeric Protein Complex, Venus Flytrap Module, Neurotransmitter Receptor, Signaling Protein-Antagonist Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. Geng, M. Bush, L. Mosyak, F. Wang, Q. R. Fan
Structural Mechanism Of Ligand Activation In Human Gaba(B) Receptor.
Nature V. 504 254 2013
PubMed-ID: 24305054  |  Reference-DOI: 10.1038/NATURE12725

(-) Compounds

Molecule 1 - GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 1
    ChainsA
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFBDM
    Expression System StrainSF9
    Expression System Taxid7108
    Expression System Vector TypePLASMID
    FragmentEXTRACELLULAR DOMAIN (SEE REMARK 999)
    GeneGABBR1, GPRC3A
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymGABA-B RECEPTOR 1, GABA-B-R1, GABA-BR1, GABABR1, GB1
 
Molecule 2 - GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 2
    ChainsB
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFBDM
    Expression System StrainSF9
    Expression System Taxid7108
    Expression System Vector TypePLASMID
    FragmentEXTRACELLULAR DOMAIN (UNP RESIDUES 42-466)
    GeneGABBR2, GPR51, GPRC3B
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymGABA-B RECEPTOR 2, GABA-B-R2, GABA-BR2, GABABR2, GB2, G- PROTEIN COUPLED RECEPTOR 51, HG20

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 8)

Asymmetric/Biological Unit (4, 8)
No.NameCountTypeFull Name
12BX1Ligand/Ion[(2S)-5,5-DIMETHYLMORPHOLIN-2-YL]ACETIC ACID
2FUC2Ligand/IonALPHA-L-FUCOSE
3MAN1Ligand/IonALPHA-D-MANNOSE
4NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETRP A:65 , CYS A:129 , SER A:130 , GLY A:151 , SER A:153 , HIS A:170 , TRP A:278 , GLU A:349BINDING SITE FOR RESIDUE 2BX A 501
2AC2SOFTWAREARG A:319 , ASN A:323 , HOH A:629 , ILE B:327 , LYS B:328 , THR B:329BINDING SITE FOR CHAIN A OF SUGAR BOUND TO ASN A 323 RESIDUES 503 TO 506
3AC3SOFTWAREASP A:87 , ILE A:88 , ASN A:365 , HOH A:625 , HOH A:670BINDING SITE FOR MONO-SACCHARIDE NAG A 502 BOUND TO ASN A 365
4AC4SOFTWAREASN B:401 , ASN B:404 , THR B:406 , ASN B:407 , HOH B:726BINDING SITE FOR CHAIN B OF SUGAR BOUND TO ASN B 404 RESIDUES 501 TO 502

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1A:103 -A:129
2A:259 -A:293
3B:108 -B:135
4B:237 -B:266
5B:265 -B:302

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asp A:119 -Pro A:120
2Arg B:95 -Pro B:96

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4MR9)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4MR9)

(-) Exons   (0, 0)

(no "Exon" information available for 4MR9)

(-) 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:407
                                                                                                                                                                                                                                                                                                                                                                                                                                                       
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeeee.......hhhhhhhhhhhhhhhhhhh......eeeeeeeee...hhhhhhhhhhhhhh....eeeee..hhhhhhhhhhhhhhhh.eeee....hhhhhh......eee...hhhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhhhhhhh...eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhh.......eeeee.....hhhhh.......hhhhhhhhhh..eeeee..............hhhhhhhhhhhhh..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh..eee..eee..........eeeeeee....eeeeeeee....eeee................. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4mr9 A  48 SERRAVYIGALFPMSGGWPGGQACQPAVEMALEDVNSRRDILPDYELKLIHHDSKCDPGQATKYLYELLYNDPIKIILMPGCSSVSTLVAEAARMWNLIVLSYGSSSPALSNRQRFPTFFRTHPSATLHNPTRVKLFEKWGWKKIATIQQTTEVFTSTLDDLEERVKEAGIEITFRQSFFSDPAVPVKNLKRQDARIIVGLFYETEARKVFCEVYKERLFGKKYVWFLIGWYADNWFKIYDPSINCTVDEMTEAVEGHITTEIVMLNPANTRSISNMTSQEFVEKLTKRLKRHPEETGGFQEAPLAYDAIWALALALNKTSRLEDFNYNNQTITDQIYRAMNSSSFEGVSGHVVFDASGSRMAWTLIEQLQGGSYKKIGYYDSTKDDLSWSKTDKWIGGSPPADDYK 462
                                    57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367||     385       395       405       415       425       435       445       455       
                                                                                                                                                                                                                                                                                                                                                          368|                                                                                     
                                                                                                                                                                                                                                                                                                                                                           377                                                                                     

Chain B from PDB  Type:PROTEIN  Length:403
                                                                                                                                                                                                                                                                                                                                                                                                                                                   
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee.......hhhhhhhhhhhhhhhhhhhhhh......eeeeeeee...hhhhhhhhhhhhhhhh....eeee..hhhhhhhhhhhhhhhh.eeee....hhhhhh......eee...hhhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhhhhhh....eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhh.......eeeee.............hhhhhhhhhh..eeeee..............hhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhh..eeee..eeeeee..eee.eeeeeeee..eeeeeeeee....eeee................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4mr9 B  53 SPPLSIMGLMPLTKEVAKGSIGRGVLPAVELAIEQIRNESLLRPYFLDLRLYDTECDNAKGLKAFYDAIKYGPNHLMVFGGVCPSVTSIIAESLQGWNLVQLSFAATTPVLADKKKYPYFFRTVPSDNAVNPAILKLLKHYQWKRVGTLTQDVQRFSEVRNDLTGVLYGEDIEISDTESFSNDPCTSVKKLKGNDVRIILGQFDQNMAAKVFCCAYEENMYGSKYQWIIPGWYEPSWWEQSRCLRKNLLAAMEGYIGVDFEPLSSKQIKTISGKTPQQYEREYNNKRSGVGPSKFHGYAYDGIWVIAKTLQRAMETLHASIQDFNYTDHTLGRIILNAMNETNFFGVTGQVVFRNGERMGTIKFTQFQDSREVKVGEYNAVADTLEIINDTIRFQGSEPPKDD 467
                                    62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292|      309       319       329       339       349       359       369       379|      394       404       414       424       434       444       454       464   
                                                                                                                                                                                                                                                                         292|                                                                            379|                                                                                  
                                                                                                                                                                                                                                                                          300                                                                             385                                                                                  

   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 4MR9)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4MR9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4MR9)

(-) Gene Ontology  (48, 66)

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
        GABR1_HUMAN | Q9UBS54mqe 4mqf 4mr7 4mr8 4mrm 4ms1 4ms3 4ms4 4pas
        GABR2_HUMAN | O758994f11 4f12 4mqe 4mqf 4mr7 4mr8 4mrm 4ms1 4ms3 4ms4 4pas

(-) Related Entries Specified in the PDB File

4mqe 4mqf 4mr7 4mr8 4mrm 4ms1 4ms3 4ms4