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(-) Description

Title :  CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B) RECEPTOR BOUND TO THE ENDOGENOUS AGONIST GABA
 
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 :  2.50
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
1ABU1Ligand/IonGAMMA-AMINO-BUTANOIC ACID
2NAG1Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:129 , SER A:130 , GLY A:151 , SER A:153 , HIS A:170 , TYR A:250 , TRP A:278 , GLU A:349BINDING SITE FOR RESIDUE ABU A 501
2AC2SOFTWAREASN B:404 , HOH B:737BINDING 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 4MS3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4MS3)

(-) Exons   (0, 0)

(no "Exon" information available for 4MS3)

(-) 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:395
                                                                                                                                                                                                                                                                                                                                                                                                                                           
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeee.......hhhhhhhhhhhhhhhhhh.eeeeeeee...hhhhhhhhhhhhhhh.....eee..hhhhhhhhhhhhhhhh.eeee....hhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeeeee.hhhhhhhhhhhhhhhhhh..eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhhh......eeeee.....hhhhh.......hhhhhhhhhh..eeeee..............hhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh..eee..eee..........eeeeeeee..eeeeeeeee....eeee.....hhhhh.......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ms3 A  50 RRAVYIGALFPMSGGWPGGQACQPAVEMALEDVNSYELKLIHHDSKCDPGQATKYLYELLYNDPIKIILMPGCSSVSTLVAEAARMWNLIVLSYGSSSPALSNRQRFPTFFRTHPSATLHNPTRVKLFEKWGWKKIATIQQTTEVFTSTLDDLEERVKEAGIEITFRQSFFSDPAVPVKNLKRQDARIIVGLFYETEARKVFCEVYKERLFGKKYVWFLIGWYADNWFKIYDPSINCTVDEMTEAVEGHITTEIVMLNPANTRSISNMTSQEFVEKLTKRLTGGFQEAPLAYDAIWALALALNKTSRLEDFNYNNQTITDQIYRAMNSSSFEGVSGHVVFDASGSRMAWTLIEQLQGGSYKKIGYYDSTKDDLSWSKTDKWIGGSPPADDYKDDD 465
                                    59        69        79    ||  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||     352       362     ||380       390       400       410       420       430       440       450       460     
                                                             84|                                                                                                                                                                                                                                                  337|                     368|                                                                                        
                                                              92                                                                                                                                                                                                                                                   344                      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
                 4ms3 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)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (0, 0)

(no "SCOP Domain" information available for 4MS3)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4MS3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4MS3)

(-) 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 4ms4 4pas
        GABR2_HUMAN | O75899: 4f11 4f12 4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms1 4ms4 4pas

(-) Related Entries Specified in the PDB File

4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms1 4ms4