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(-) Description

Title :  CRYSTAL STRUCTURE OF THE COMPLEX OF THE EXTRACELLULAR DOMAIN OF HUMAN ALPHA9 NACHR WITH ALPHA-BUNGAROTOXIN.
 
Authors :  P. Giastas, M. Zouridakis, E. Zarkadas, S. J. Tzartos
Date :  28 Aug 14  (Deposition) - 01 Oct 14  (Release) - 19 Nov 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Toxin-Binding Protein-Toxin Complex, Ligand Binding Domain, Cys-Loop Receptor (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Zouridakis, P. Giastas, E. Zarkadas, D. Chroni-Tzartou, P. Bregestovski, S. J. Tzartos
Crystal Structures Of Free And Antagonist-Bound States Of Human Alpha9 Nicotinic Receptor Extracellular Domain
Nat. Struct. Mol. Biol. V. 21 976 2014
PubMed-ID: 25282151  |  Reference-DOI: 10.1038/NSMB.2900

(-) Compounds

Molecule 1 - NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9
    ChainsA, B
    EngineeredYES
    Expression SystemKOMAGATAELLA PASTORIS
    Expression System PlasmidPPICZAA
    Expression System StrainX33
    Expression System Taxid4922
    Expression System Vector TypePLASMID
    FragmentEXTRACELLULAR DOMAIN, RESIDUES 26-237
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR, NICOTINIC ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-9, NACHR ALPHA-9
 
Molecule 2 - ALPHA-BUNGAROTOXIN ISOFORM V31
    ChainsC, D
    Organism CommonMANY-BANDED KRAIT
    Organism ScientificBUNGARUS MULTICINCTUS
    Organism Taxid8616
    SynonymALPHA-BTX V31, ALPHA-BGT(V31), BGTX V31, LONG NEUROTOXIN 1

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)A C 
Biological Unit 2 (1x) B D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric Unit (1, 4)
No.NameCountTypeFull Name
1NAG4Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (1, 2)
No.NameCountTypeFull Name
1NAG2Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (1, 2)
No.NameCountTypeFull Name
1NAG2Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREVAL A:30 , ASN A:32 , PHE A:161 , PRO D:73BINDING SITE FOR MONO-SACCHARIDE NAG A1214 BOUND TO ASN A 32
2AC2SOFTWAREVAL A:131 , GLN A:143 , ASN A:145 , THR A:203BINDING SITE FOR MONO-SACCHARIDE NAG A1215 BOUND TO ASN A 145
3AC3SOFTWAREVAL B:30 , ASN B:32 , LYS C:64 , PRO C:73BINDING SITE FOR MONO-SACCHARIDE NAG B1214 BOUND TO ASN B 32
4AC4SOFTWAREVAL B:131 , GLN B:143 , ASN B:145 , ASN B:188BINDING SITE FOR MONO-SACCHARIDE NAG B1215 BOUND TO ASN B 145

(-) SS Bonds  (8, 8)

Asymmetric Unit
No.Residues
1A:130 -A:144
2B:130 -B:144
3C:29 -C:33
4C:48 -C:59
5C:60 -C:65
6D:29 -D:33
7D:48 -D:59
8D:60 -D:65

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Phe A:137 -Pro A:138
2Phe B:137 -Pro B:138
3Ser C:9 -Pro C:10
4Ser D:9 -Pro D:10

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4UY2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4UY2)

(-) Exons   (0, 0)

(no "Exon" information available for 4UY2)

(-) 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:203
                                                                                                                                                                                                                                           
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhh.....................eeeeeeeeeeeeeeee....eeeeeeeeeeeee.......hhhhh...eeeee.hhh....eee.........eeeee...eeee..eeeeeeeeee.........eeeeeeeee.......eeeee........................eeee........eeeeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4uy2 A   5 YAQKLFNDLFEDYSNALRPVEDTDKVLNVTLQITLSQIKDMDERNQILTAYLWIRQIWHDAYLTWDRDQYDGLDSIRIPSDLVWRPDIVLYNKADPVNTNVVLRYDGLITWDAPAITKSSCVVDVTYFPFDNQQCNLTFGSWTYNGNQVDIFNALDSGDLSDFIEDVEWEVHGMPAVKNVISYGCCSEPYPDVTFTLLLKRRS 212
                                    14        24        34        44        54        64        74        84        94    || 109       119       129       139       149       159       169       179       189       199       209   
                                                                                                                         99|                                                                                                           
                                                                                                                         105                                                                                                           

Chain B from PDB  Type:PROTEIN  Length:203
                                                                                                                                                                                                                                           
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..........................eeeeeeeeeeeeeeee....eeeeeeeeeeeee......hhhhh....eeeee.hhh....eee.........eeeee...eeee..eeeeeeeeeee.......eeeeeeeeee.......eeeee......................eeeeee........eeeeeeeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4uy2 B   5 YAQKLFNDLFEDYSNALRPVEDTDKVLNVTLQITLSQIKDMDERNQILTAYLWIRQIWHDAYLTWDRDQYDGLDSIRIPSDLVWRPDIVLYNKADPVNTNVVLRYDGLITWDAPAITKSSCVVDVTYFPFDNQQCNLTFGSWTYNGNQVDIFNALDSGDLSDFIEDVEWEVHGMPAVKNVISYGCCSEPYPDVTFTLLLKRRS 212
                                    14        24        34        44        54        64        74        84        94    || 109       119       129       139       149       159       169       179       189       199       209   
                                                                                                                         99|                                                                                                           
                                                                                                                         105                                                                                                           

Chain C from PDB  Type:PROTEIN  Length:73
                                                                                                         
               SCOP domains ------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee......eeee......eeeeeee..........eeeeeee............eee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 4uy2 C   1 IVCHTTATSPISAVTCPPGENLCYRKMWCDVFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRP  73
                                    10        20        30        40        50        60        70   

Chain D from PDB  Type:PROTEIN  Length:73
                                                                                                         
               SCOP domains ------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee......eeee......eeeeeee..........eeeeeee............eee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                 4uy2 D   1 IVCHTTATSPISAVTCPPGENLCYRKMWCDVFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRP  73
                                    10        20        30        40        50        60        70   

   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 4UY2)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4UY2)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4UY2)

(-) Gene Ontology  (30, 30)

Asymmetric Unit(hide GO term definitions)

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  Cis Peptide Bonds
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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        3L21V_BUNMU | P606161haa 1haj 1hc9 1lk1 2qc1 4hqp 5hbt 5hbv
        ACHA9_HUMAN | Q9UGM14d01 4uxu

(-) Related Entries Specified in the PDB File

4d01 CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE HUMAN ALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR
4uxu CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE HUMAN ALPHA9 NICOTINIC ACETYLCHOLINE RECEPTOR IN COMPLEX WITH METHYLLYCACONITINE