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(-) Description

Title :  CRYSTAL STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP) FROM APLYSIA CALIFORNICA IN COMPLEX WITH ALPHA-CONOTOXIN IMI
 
Authors :  C. Ulens, R. C. Hogg, P. H. Celie, D. Bertrand, V. Tsetlin, A. B. Smit, T. K. Sixma
Date :  14 Dec 05  (Deposition) - 13 Feb 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.25
Chains :  Asym./Biol. Unit :  A,B,C,D,E,F,G,H,I,J,K,M,O,P,Q,R,S,T
Keywords :  Receptor/Toxin, Receptor/Toxin Complex, Acetylcholine Binding Protein, Nicotinic Acetylcholine Receptor/Toxin Complex, Conformational Flexibility, Conotoxin, Acetylcholine Receptor Inhibitor, Amidation, Neurotoxin, Postsynaptic Neurotoxin, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Ulens, R. C. Hogg, P. H. Celie, D. Bertrand, V. Tsetlin, A. B. Smit, T. K. Sixma
Structural Determinants Of Selective {Alpha}- Conotoxin Binding To A Nicotinic Acetylcholine Receptor Homolog Achbp.
Proc. Natl. Acad. Sci. Usa V. 103 3615 2006
PubMed-ID: 16505382  |  Reference-DOI: 10.1073/PNAS.0507889103

(-) Compounds

Molecule 1 - SOLUBLE ACETYLCHOLINE RECEPTOR
    Chains: A, B, C, D, E, F, G, H, I, J
    Organism Common: CALIFORNIA SEA HARE
    Organism Scientific: APLYSIA CALIFORNICA
    Organism Taxid: 6500
    Other Details: ALPHA-CONOTOXIN IMI BOUND IN RECEPTOR SITES
    Synonym: ACETYLCHOLINE BINDING PROTEIN
 
Molecule 2 - ALPHA-CONOTOXIN IMI
    Chains: K, M, O, P, Q, R, S, T
    Fragment: RESIDUES 5-16
    Organism Common: IMPERIAL CONE
    Organism Scientific: CONUS IMPERIALIS
    Organism Taxid: 35631
    Other Details: ALPHA-CONOTOXIN IMI BOUND IN RECEPTOR SITES
    Synonym: ALPHA-CTX IMI

 Structural Features

(-) Chains, Units

  123456789101112131415161718
Asymmetric/Biological Unit : ABCDEFGHIJKMOPQRST

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 8)

Asymmetric/Biological Unit (1, 8)
No.NameCountTypeFull Name
1NH28Mod. Amino AcidAMINO GROUP

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETRP K:10 , ARG K:11 , CYS K:12BINDING SITE FOR RESIDUE NH2 K 13
2AC2SOFTWAREALA M:9 , TRP M:10 , ARG M:11 , CYS M:12BINDING SITE FOR RESIDUE NH2 M 13
3AC3SOFTWAREALA O:9 , TRP O:10 , ARG O:11 , CYS O:12BINDING SITE FOR RESIDUE NH2 O 13
4AC4SOFTWAREARG P:11 , CYS P:12BINDING SITE FOR RESIDUE NH2 P 13
5AC5SOFTWAREARG Q:11 , CYS Q:12 , HOH Q:2003BINDING SITE FOR RESIDUE NH2 Q 13
6AC6SOFTWARETRP R:10 , ARG R:11 , CYS R:12BINDING SITE FOR RESIDUE NH2 R 13
7AC7SOFTWAREARG J:57 , ALA S:9 , CYS S:12BINDING SITE FOR RESIDUE NH2 S 13
8AC8SOFTWAREARG F:57 , ALA T:9 , CYS T:12BINDING SITE FOR RESIDUE NH2 T 13

(-) SS Bonds  (36, 36)

Asymmetric/Biological Unit
No.Residues
1A:125 -A:138
2A:188 -A:189
3B:125 -B:138
4B:188 -B:189
5C:125 -C:138
6C:188 -C:189
7D:125 -D:138
8D:188 -D:189
9E:125 -E:138
10E:188 -E:189
11F:125 -F:138
12F:188 -F:189
13G:125 -G:138
14G:188 -G:189
15H:125 -H:138
16H:188 -H:189
17I:125 -I:138
18I:188 -I:189
19J:125 -J:138
20J:188 -J:189
21K:2 -K:8
22K:3 -K:12
23M:2 -M:8
24M:3 -M:12
25O:2 -O:8
26O:3 -O:12
27P:2 -P:8
28P:3 -P:12
29Q:2 -Q:8
30Q:3 -Q:12
31R:2 -R:8
32R:3 -R:12
33S:2 -S:8
34S:3 -S:12
35T:2 -T:8
36T:3 -T:12

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2C9T)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2C9T)

(-) PROSITE Motifs  (1, 8)

Asymmetric/Biological Unit (1, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ALPHA_CONOTOXINPS60014 Alpha-conotoxin family signature.CA1_CONIM6-16
 
 
 
 
 
 
 		  8K:2-12
M:2-12
O:2-12
P:2-12
Q:2-12
R:2-12
S:2-12
T:2-12

(-) Exons   (0, 0)

(no "Exon" information available for 2C9T)

(-) 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:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9ta_ A: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh.hhhhhh...eeeee.hhh....eee.......ee....eeeee...eeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeee........eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t A   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain B from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9tb_ B: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeeeee..eeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t B   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain C from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9tc_ C: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeee........eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t C   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain D from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9td_ D: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeee........eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t D   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain E from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9te_ E: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeee........eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t E   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain F from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9tf_ F: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeee.hhhh..........eeeee.hhh....eee.......ee....eeeee...eeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeeeee..eeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t F   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain G from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9tg_ G: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhh....eeeee.hhh.....ee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeee........eeee................eeeeeeeeeeeeeee..eeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t G   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain H from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9th_ H: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeeeee..eeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t H   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain I from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9ti_ I: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh.............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeee........eeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t I   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain J from PDB  Type:PROTEIN  Length:205
 aligned with Q8WSF8_APLCA | Q8WSF8 from UniProtKB/TrEMBL  Length:236

    Alignment length:205
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219     
         Q8WSF8_APLCA    20 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKADSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGATCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 224
               SCOP domains d2c9tj_ J: automated matches                                                                                                                                                                                  SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh............eeeeeeeeeeeeeeee....eeeeeeeeeeeeeeeeee.hhhhhh...eeeee.hhh....eee.......ee....eeeee.eeeeee..eeeeeee...........eeeeeeeee.......eeee................eeeeeeeeeeeeeee..eeeeeeeeeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2c9t J   1 QANLMRLKSDLFNRSPMYPGPTKDDPLTVTLGFTLQDIVKVDSSTNEVDLVYYEQQRWKLNSLMWDPNEYGNITDFRTSAADIWTPDITAYSSTRPVQVLSPQIAVVTHDGSVMFIPAQRLSFMCDPTGVDSEEGVTCAVKFGSWVYSGFEIDLKTDTDQVDLSSYYASSKYEILSATQTRQVQHYSCCPEPYIDVNLVVKFRER 205
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200     


Chain K from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t K   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain M from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t M   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain O from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t O   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain P from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t P   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain Q from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t Q   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain R from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t R   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain S from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t S   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2


Chain T from PDB  Type:PROTEIN  Length:13
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:13
                                    14   
            CA1_CONIM     5 GCCSDPRCAWRCG  17
               SCOP domains ------------- SCOP domains
               CATH domains ------------- CATH domains
               Pfam domains ------------- Pfam domains
         Sec.struct. author hhhhh..hhhhh. Sec.struct. author
                 SAPs(SNPs) ------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOT- PROSITE
                 Transcript ------------- Transcript
                 2c9t T   1 GCCSDPRCAWRCx  13
                                    10  |
                                       13-NH2
   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  (1, 10)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2C9T)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2C9T)

(-) Gene Ontology  (9, 9)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B,C,D,E,F,G,H,I,J   (Q8WSF8_APLCA | Q8WSF8)
molecular function
    GO:0005230    extracellular ligand-gated ion channel activity    Enables the transmembrane transfer of an ion by a channel that opens when a specific extracellular ligand has been bound by the channel complex or one of its constituent parts.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain K,M,O,P,Q,R,S,T   (CA1_CONIM | P50983)
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0035792    other organism postsynaptic membrane    A postsynaptic membrane that is part of another organism, i.e. a secondary organism with which the first organism is interacting. A postsynaptic membrane is a specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters transmit the signal across the synaptic cleft to the postsynaptic membrane.

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  2c9t
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  CA1_CONIM | P50983
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  Q8WSF8_APLCA | Q8WSF8
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 Related Entries

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

UniProtKB/Swiss-Prot
        CA1_CONIM | P50983: 1cnl 1e74 1e75 1e76 1g2g 1im1 1imi 2bc7 2bc8 2byp 2igu 2moa
UniProtKB/TrEMBL
        Q8WSF8_APLCA | Q8WSF8: 2br7 2br8 2byn 2byp 2byq 2byr 2bys 2pgz 2ph9 2uz6 2w8f 2w8g 2wn9 2wnc 2wnj 2wnl 2wzy 2x00 2xnt 2xnu 2xnv 2xys 2xyt 2xz5 2xz6 2y54 2y56 2y57 2y58 2y7y 2ymd 2yme 3c79 3c84 3gua 3peo 3pmz 3sh1 3sio 3t4m 4aft 4bfq 4bqt 4dbm 4ez1 4frr 4wv9 4xhe 4xk9 4zjs 4zk4 5ain 5brx 5bw2 5co5 5jme 5ke4 5kzu 5lxb 5syo 5tvc

(-) Related Entries Specified in the PDB File

1cnl ALPHA-CONOTOXIN IMI
1e74 NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1 POINT MUTATION VARIANT R11E
1e75 NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1 POINT MUTATION VARIANT D5N
1e76 NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1 POINT MUTATION VARIANT R7L
1g2g MINIMAL CONFORMATION OF THE ALPHA-CONOTOXIN IMI FOR THEALPHA7 NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR RECOGNITION
1im1 NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1, 20 STRUCTURES
1imi SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1
2br7 CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM APLYSIA CALIFORNICA IN COMPLEX WITH HEPES
2br8 CRYSTAL STRUCTURE OF ACETYLCHOLINE-BINDING PROTEIN (ACHBP) FROM APLYSIA CALIFORNICA IN COMPLEX WITH AN ALPHA-CONOTOXIN PNIA VARIANT
2byn CRYSTAL STRUCTURE OF APO ACHBP FROM APLYSIA CALIFORNICA
2byp CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH ALPHA-CONOTOXIN IMI
2byq CRYSTAL STRUCTURE OF APLYSIA CALIFORNICA ACHBP IN COMPLEX WITH EPIBATIDINE
2byr CRYSTAL STRUCTURE OF ACHBP FROM APLYSIA CALIFORNICA IN COMPLEX WITH METHYLLYCACONITINE
2bys CRYSTAL STRUCTURE OF ACHBP FROM APLYSIA CALIFORNICA IN COMPLEX WITH LOBELINE