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(-) Description

Title :  CRYSTAL STRUCTURES OF THE LIGAND BINDING DOMAIN OF A PENTAMERIC ALPHA7 NICOTINIC RECEPTOR CHIMERA
 
Authors :  S. -X. Li, S. Huang, N. Bren, K. Noridomi, C. Dellisanti, S. Sine, L. Chen
Date :  05 Jul 11  (Deposition) - 28 Sep 11  (Release) - 04 Feb 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.10
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H,I,J
Biol. Unit 1:  A,B,C,D,E  (1x)
Biol. Unit 2:  F,G,H,I,J  (1x)
Keywords :  Nicotinic Receptor, Transport Protein-Receptor Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. X. Li, S. Huang, N. Bren, K. Noridomi, C. D. Dellisanti, S. M. Sine, L. Chen
Ligand-Binding Domain Of An Alpha 7-Nicotinic Receptor Chimera And Its Complex With Agonist.
Nat. Neurosci. V. 14 1253 2011
PubMed-ID: 21909087  |  Reference-DOI: 10.1038/NN.2908

(-) Compounds

Molecule 1 - NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-7, ACETYLCHOLINE-BINDING PROTEIN
    Chains: A, B, C, D, E, F, G, H, I, J
    Engineered: YES
    Gene: CHRNA7
    Organism Common: HUMAN, GREAT POND SNAIL
    Organism Scientific: HOMO SAPIENS, LYMNAEA STAGNALIS
    Organism Taxid: 9606, 6523
    Other Details: ALPHA7 NICOTINIC RECEPTOR CHIMERA
    Synonym: ACHBP

 Structural Features

(-) Chains, Units

  12345678910
Asymmetric Unit : ABCDEFGHIJ
Biological Unit 1 (1x): ABCDE     
Biological Unit 2 (1x):      FGHIJ

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 20)

Asymmetric Unit (1, 20)
No.NameCountTypeFull Name
1NAG20Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 1 (1, 10)
No.NameCountTypeFull Name
1NAG10Ligand/IonN-ACETYL-D-GLUCOSAMINE
Biological Unit 2 (1, 10)
No.NameCountTypeFull Name
1NAG10Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (20, 20)

Asymmetric Unit (20, 20)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASN A:66 , GLU A:69BINDING SITE FOR RESIDUE NAG A 801
02AC2SOFTWAREASN A:108 , SER A:110 , HIS A:112 , GLN A:114BINDING SITE FOR RESIDUE NAG A 901
03AC3SOFTWAREASN B:66 , SER B:68 , GLU B:69 , NAG B:802BINDING SITE FOR RESIDUE NAG B 801
04AC4SOFTWARENAG B:801BINDING SITE FOR RESIDUE NAG B 802
05AC5SOFTWAREASN B:108 , SER B:110 , HIS B:112BINDING SITE FOR RESIDUE NAG B 901
06AC6SOFTWAREASN C:66BINDING SITE FOR RESIDUE NAG C 801
07AC7SOFTWAREASN C:108 , SER C:109 , SER C:110 , HIS C:112BINDING SITE FOR RESIDUE NAG C 901
08AC8SOFTWAREASN D:66 , GLU D:69BINDING SITE FOR RESIDUE NAG D 801
09AC9SOFTWAREASN E:66 , SER E:68 , GLU E:69BINDING SITE FOR RESIDUE NAG E 801
10BC1SOFTWAREASN E:108 , HIS E:112 , GLN E:114BINDING SITE FOR RESIDUE NAG E 901
11BC2SOFTWAREASN F:66 , GLU F:69BINDING SITE FOR RESIDUE NAG F 801
12BC3SOFTWAREASN G:108 , SER G:110BINDING SITE FOR RESIDUE NAG G 901
13BC4SOFTWAREASN H:66 , GLU H:69BINDING SITE FOR RESIDUE NAG H 801
14BC5SOFTWAREASN H:108 , SER H:110 , HIS H:112 , NAG H:902BINDING SITE FOR RESIDUE NAG H 901
15BC6SOFTWARENAG H:901BINDING SITE FOR RESIDUE NAG H 902
16BC7SOFTWAREASN I:66 , SER I:68BINDING SITE FOR RESIDUE NAG I 801
17BC8SOFTWAREASN I:108 , SER I:110 , HIS I:112 , NAG I:902BINDING SITE FOR RESIDUE NAG I 901
18BC9SOFTWARENAG I:901BINDING SITE FOR RESIDUE NAG I 902
19CC1SOFTWAREASN J:66BINDING SITE FOR RESIDUE NAG J 801
20CC2SOFTWAREASN J:108 , SER J:110 , HIS J:112BINDING SITE FOR RESIDUE NAG J 901

(-) SS Bonds  (20, 20)

Asymmetric Unit
No.Residues
1A:125 -A:138
2A:186 -A:187
3B:125 -B:138
4B:186 -B:187
5C:125 -C:138
6C:186 -C:187
7D:125 -D:138
8D:186 -D:187
9E:125 -E:138
10E:186 -E:187
11F:125 -F:138
12F:186 -F:187
13G:125 -G:138
14G:186 -G:187
15H:125 -H:138
16H:186 -H:187
17I:125 -I:138
18I:186 -I:187
19J:125 -J:138
20J:186 -J:187

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3SQ9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3SQ9)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3SQ9)

(-) Exons   (0, 0)

(no "Exon" information available for 3SQ9)

(-) 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:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9a_ A: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee.........ee.......ee....eeee....eeee..eeeeeee...........eeeeeeee........eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 A   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain B from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9b_ B: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeee..eeeeeeee....eeeeeee.eeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 B   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain C from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9c_ C: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 C   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain D from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9d_ D: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 D   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain E from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9e_ E: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee.........ee.......ee....eeee....eeee..eeeeeee...........eeeeeeee........eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 E   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain F from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9f_ F: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 F   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain G from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9g_ G: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee.........ee.......ee....eeee....eeee..eeeeeee...........eeeeeeee........eeeee.............eeeeee..eee............eeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 G   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain H from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9h_ H: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeeee......eeeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 H   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain I from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9i_ I: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee........eee.......ee....eeee....eeee..eeeeeee...........eeeeeeeee.......eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 I   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202  


Chain J from PDB  Type:PROTEIN  Length:202
                                                                                                                                                                                                                                          
               SCOP domains d3sq9j_ J: automated matches                                                                                                                                                                               SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh...........eeee.........ee.......ee....eeee....eeee..eeeeeee...........eeeeeeee........eeeee.............eeeeee..eeeee........eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3sq9 J   3 QRKLYKELVKNYNPDVIPTQRDRPVTVYFSLSLLQIMDVDEKNQVVDVVFWLQMSWTDHYLQWNVSEYPGVKQVSVPISSLWVPDLAAYNAISKPEVLTPQLALVNSSGHVQYLPSIRQRFSCDVSGVDTESGATCKLKFGSWTHHSRELDLQMQEADISGYIPYSRFELVGVTQKRSERFYECCKEPYPDVTFTVTFRKKG 204
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202
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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  (1, 10)

Asymmetric Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3SQ9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3SQ9)

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    (no "Gene Ontology" information available for 3SQ9)

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  3sq9
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 Related Entries

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3sq6