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(-) Description

Title :  CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN GABA(B) RECEPTOR BOUND TO THE ANTAGONIST CGP46381
 
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 :  2.25
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
    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  (5, 9)

Asymmetric/Biological Unit (5, 9)
No.NameCountTypeFull Name
13811Ligand/Ion(S)-(3-AMINOPROPYL)(CYCLOHEXYLMETHYL)PHOSPHINIC ACID
2BMA1Ligand/IonBETA-D-MANNOSE
3FUC1Ligand/IonALPHA-L-FUCOSE
4MAN1Ligand/IonALPHA-D-MANNOSE
5NAG5Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:64 , TRP A:65 , CYS A:129 , SER A:130 , GLY A:151 , SER A:153 , HIS A:170 , TYR A:250 , GLU A:349 , HOH A:603 , HOH A:642BINDING SITE FOR RESIDUE 381 A 501
2AC2SOFTWAREARG A:319 , ASN A:323 , HOH A:645 , HOH A:676 , HOH A:733 , ILE B:327 , LYS B:328 , THR B:329 , ILE B:330 , PHE B:409BINDING SITE FOR CHAIN A OF SUGAR BOUND TO ASN A 323 RESIDUES 503 TO 506
3AC3SOFTWAREASP A:87 , ASN A:365 , HOH A:727BINDING SITE FOR MONO-SACCHARIDE NAG A 502 BOUND TO ASN A 365
4AC4SOFTWAREASN B:404 , GLU B:405 , THR B:406 , ASN B:407 , VAL B:416 , HOH B:646 , HOH B:692 , HOH B:735 , HOH B:743BINDING SITE FOR CHAIN B OF SUGAR BOUND TO ASN B 404 RESIDUES 501 TO 503

(-) 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 4MS1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4MS1)

(-) Exons   (0, 0)

(no "Exon" information available for 4MS1)

(-) 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.......hhhhhhhhhhhhhhhhhh.......eeeeeeeee...hhhhhhhhhhhhhh....eeeee..hhhhhhhhhhhhhhhh.eeee....hhhhh.......eee...hhhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhhhhhhhh..eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhh.......eeeee.....hhhhh.......hhhhhhhhhh..eeeee..............hhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhh..eee..eee..........eeeeeee....eeeeeeee....eeee................. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ms1 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..eeeeee..hhhhhhhhhhhhhhhh.eeee....hhhhhh......eee...hhhhhhhhhhhhhhhhh..eeeeeee.hhhhhhhhhhhhhhhh....eeeeeeee...hhhhhhhhhhh...eeeee.hhhhhhhhhhhhhhh.......eeeee.............hhhhhhhhhh..eeeee..............hhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhh.eeee..eeeeee..eee.eeeeeeee..eeeeeeeee....eeee................ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ms1 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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    → 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 4MS1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4MS1)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4MS1)

(-) 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 4ms3 4ms4 4pas
        GABR2_HUMAN | O75899: 4f11 4f12 4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms3 4ms4 4pas

(-) Related Entries Specified in the PDB File

4mqe 4mqf 4mr7 4mr8 4mr9 4mrm 4ms3 4ms4