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(-) Description

Title :  CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B) RECEPTOR BOUND TO THE AGONIST BACLOFEN
 
Authors :  Y. Geng, M. Bush, L. Mosyak, F. Wang, Q. R. Fan
Date :  18 Sep 13  (Deposition) - 11 Dec 13  (Release) - 05 Feb 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Heterodimeric Protein Complex, Venus Flytrap Module, Neurotransmitter Receptor, Signaling Protein-Agonist 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
    Chains: A
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Common: FALL ARMYWORM
    Expression System Plasmid: PFBDM
    Expression System Strain: SF9
    Expression System Taxid: 7108
    Expression System Vector Type: PLASMID
    Fragment: EXTRACELLULAR DOMAIN (SEE REMARK 999)
    Gene: GABBR1, GPRC3A
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: GABA-B RECEPTOR 1, GABA-B-R1, GABA-BR1, GABABR1, GB1
 
Molecule 2 - GAMMA-AMINOBUTYRIC ACID TYPE B RECEPTOR SUBUNIT 2
    Chains: B
    Engineered: YES
    Expression System: SPODOPTERA FRUGIPERDA
    Expression System Common: FALL ARMYWORM
    Expression System Plasmid: PFBDM
    Expression System Strain: SF9
    Expression System Taxid: 7108
    Expression System Vector Type: PLASMID
    Fragment: EXTRACELLULAR DOMAIN (UNP RESIDUES 42-466)
    Gene: GABBR2, GPR51, GPRC3B
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: GABA-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  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
12C01Ligand/IonBACLOFEN
2NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETRP A:65 , CYS A:129 , SER A:130 , GLY A:151 , SER A:153 , HIS A:170 , PHE A:249 , TYR A:250 , TRP A:278 , GLU A:349BINDING SITE FOR RESIDUE 2C0 A 501
2AC2SOFTWAREASN B:404 , HOH B:722BINDING SITE FOR MONO-SACCHARIDE NAG B 501 BOUND TO ASN B 404

(-) 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 4MS4)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4MS4)

(-) Exons   (0, 0)

(no "Exon" information available for 4MS4)

(-) 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:408
                                                                                                                                                                                                                                                                                                                                                                                                                                                        
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeeeeee.......hhhhhhhhhhhhhhhhhh.......eeeeeeeee...hhhhhhhhhhhhhh......eee..hhhhhhhhhhhhhhhh.eeee....hhhhhh......eee...hhhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhhhhhhhh..eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhhh......eeeee.....hhhhh.......hhhhhhhhhh..eeeee..............hhhhhhhhhhhhh..hhhhh....hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh.eeee..eeee.........eeeeeeee..eeeeeeeee....eeee.....hhhhh.......... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4ms4 A  50 RRAVYIGALFPMSGGWPGGQACQPAVEMALEDVNSRRDILPDYELKLIHHDSKCDPGQATKYLYELLYNDPIKIILMPGCSSVSTLVAEAARMWNLIVLSYGSSSPALSNRQRFPTFFRTHPSATLHNPTRVKLFEKWGWKKIATIQQTTEVFTSTLDDLEERVKEAGIEITFRQSFFSDPAVPVKNLKRQDARIIVGLFYETEARKVFCEVYKERLFGKKYVWFLIGWYADNWFKIYDPSINCTVDEMTEAVEGHITTEIVMLNPANTRSISNMTSQEFVEKLTKRLKRHPEETGGFQEAPLAYDAIWALALALNKTSRLEDFNYNNQTITDQIYRAMNSSSFEGVSGHVVFDASGSRMAWTLIEQLQGGSYKKIGYYDSTKDDLSWSKTDKWIGGSPPADDYKDDD 465
                                    59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       377       387       397       407       417       427       437       447       457        
                                                                                                                                                                                                                                                                                                                                                        368|                                                                                        
                                                                                                                                                                                                                                                                                                                                                         377                                                                                        


Chain B from PDB  Type:PROTEIN  Length:408
                                                                                                                                                                                                                                                                                                                                                                                                                                                        
               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..............hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhh...hhhhhhhhhhhhhh.eeee..eeeeee..eee.eeeeeee....eeeeeeee....eeee................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4ms4 B  50 PPSSPPLSIMGLMPLTKEVAKGSIGRGVLPAVELAIEQIRNESLLRPYFLDLRLYDTECDNAKGLKAFYDAIKYGPNHLMVFGGVCPSVTSIIAESLQGWNLVQLSFAATTPVLADKKKYPYFFRTVPSDNAVNPAILKLLKHYQWKRVGTLTQDVQRFSEVRNDLTGVLYGEDIEISDTESFSNDPCTSVKKLKGNDVRIILGQFDQNMAAKVFCCAYEENMYGSKYQWIIPGWYEPSWWECLRKNLLAAMEGYIGVDFEPLSSKQIKTISGKTPQQYEREYNNKRSGVGPSKFHGYAYDGIWVIAKTLQRAMETLHASSRHQRIQDFNYTDHTLGRIILNAMNETNFFGVTGQVVFRNGERMGTIKFTQFQDSREVKVGEYNAVADTLEIINDTIRFQGSEPPKDD 467
                                    59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289 ||    309       319       329       339       349       359       369       379       389       399       409       419       429       439       449       459        
                                                                                                                                                                                                                                                                           291|                                                                                                                                                                     
                                                                                                                                                                                                                                                                            302
   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 4MS4)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4MS4)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4MS4)

(-) 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 | Q9UBS5: 4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms1 4ms3 4pas
        GABR2_HUMAN | O75899: 4f11 4f12 4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms1 4ms3 4pas

(-) Related Entries Specified in the PDB File

4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms1 4ms3