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(-) Description

Title :  CRYSTAL STRUCTURE OF ACID-SENSING ION CHANNEL IN COMPLEX WITH PSALMOTOXIN 1 AT LOW PH
 
Authors :  I. Baconguis, E. Gouaux
Date :  05 Jul 12  (Deposition) - 01 Aug 12  (Release) - 03 Oct 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A,B,C,M,N,O
Keywords :  Inhibitor Cystine Knot, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Baconguis, E. Gouaux
Structural Plasticity And Dynamic Selectivity Of Acid-Sensing Ion Channel-Spider Toxin Complexes.
Nature V. 489 400 2012
PubMed-ID: 22842900  |  Reference-DOI: 10.1038/NATURE11375

(-) Compounds

Molecule 1 - ACID-SENSING ION CHANNEL 1
    Chains: A, B, C
    Engineered: YES
    Expression System: HOMO SAPIENS
    Expression System Common: HUMAN
    Expression System Taxid: 9606
    Fragment: UNP RESIDUES 13-463
    Gene: ASIC1, ACCN2
    Organism Common: BANTAM,CHICKENS
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031
    Synonym: ASIC1, AMILORIDE-SENSITIVE CATION CHANNEL 2, NEURONAL
 
Molecule 2 - PI-THERAPHOTOXIN-PC1A
    Chains: M, N, O
    Engineered: YES
    Fragment: UNP RESIDUES 1-40
    Organism Common: TRINIDAD CHEVRON TARANTULA
    Organism Scientific: PSALMOPOEUS CAMBRIDGEI
    Organism Taxid: 179874
    Other Details: SYNTHETIC CONSTRUCT
    Synonym: PI-TRTX-PC1A, PCTX1, PSALMOTOXIN-1
    Synthetic: YES

 Structural Features

(-) Chains, Units

  123456
Asymmetric/Biological Unit : ABCMNO

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric/Biological Unit (3, 10)
No.NameCountTypeFull Name
1CL3Ligand/IonCHLORIDE ION
2GOL2Ligand/IonGLYCEROL
3NAG5Ligand/IonN-ACETYL-D-GLUCOSAMINE

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG A:310 , GLU A:314 , VAL A:353BINDING SITE FOR RESIDUE CL A 501
02AC2SOFTWAREILE A:282 , ASN A:367BINDING SITE FOR RESIDUE NAG A 502
03AC3SOFTWAREASN A:394BINDING SITE FOR RESIDUE NAG A 503
04AC4SOFTWAREARG B:310 , GLU B:314 , VAL B:353BINDING SITE FOR RESIDUE CL B 501
05AC5SOFTWAREASP B:254 , ASN B:367BINDING SITE FOR RESIDUE NAG B 502
06AC6SOFTWAREARG C:310 , GLU C:314 , VAL C:353BINDING SITE FOR RESIDUE CL C 501
07AC7SOFTWARETHR C:87 , GLU C:278BINDING SITE FOR RESIDUE GOL C 502
08AC8SOFTWAREPHE C:153 , ASN C:154 , MET C:155 , TYR C:335BINDING SITE FOR RESIDUE GOL C 503
09AC9SOFTWAREASP C:254 , ILE C:282 , ASN C:367BINDING SITE FOR RESIDUE NAG C 504
10BC1SOFTWAREASN C:394BINDING SITE FOR RESIDUE NAG C 505

(-) SS Bonds  (30, 30)

Asymmetric/Biological Unit
No.Residues
1A:94 -A:195
2A:173 -A:180
3A:291 -A:366
4A:309 -A:362
5A:313 -A:360
6A:322 -A:344
7A:324 -A:336
8B:94 -B:195
9B:173 -B:180
10B:291 -B:366
11B:309 -B:362
12B:313 -B:360
13B:322 -B:344
14B:324 -B:336
15C:94 -C:195
16C:173 -C:180
17C:291 -C:366
18C:309 -C:362
19C:313 -C:360
20C:322 -C:344
21C:324 -C:336
22M:3 -M:18
23M:10 -M:23
24M:17 -M:33
25N:3 -N:18
26N:10 -N:23
27N:17 -N:33
28O:3 -O:18
29O:10 -O:23
30O:17 -O:33

(-) Cis Peptide Bonds  (6, 6)

Asymmetric/Biological Unit
No.Residues
1Pro A:286 -Pro A:287
2Ile A:380 -Pro A:381
3Pro B:286 -Pro B:287
4Ile B:380 -Pro B:381
5Pro C:286 -Pro C:287
6Ile C:380 -Pro C:381

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4FZ0)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4FZ0)

(-) Exons   (0, 0)

(no "Exon" information available for 4FZ0)

(-) 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:405
                                                                                                                                                                                                                                                                                                                                                                                                                                                     
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhh...eeeeeeee....ee..eeeeee....hhhhhhhhhhhhhh..................hhhhhhhhhhhh..........hhhhhhhhhh.hhhhheeeeee..ee.hhh.eeeeee..eeeeee..........ee...hhhh.eeeeee.hhhhh...............eeeeee......hhhhhheee...eeeeeeeeeeeee......................hhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh...........eeeeeeeeeeeee..hhhhhhhhhhhhh.hhhhhhhheeeeeeeeeeeeeeeeeeee....hhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fz0 A  50 CFMGSLALLALVCTNRIQYYFLYPHVTKLDEVAATRLTFPAVTFCNLNEFRFSRVTKNDLYHAGELLALLNNRYEIPDTQTADEKQLEILQDKANFRNFKPKPFNMLEFYDRAGHDIREMLLSCFFRGEQCSPEDFKVVFTRYGKCYTFNAGQDGKPRLITMKGGTGNGLEIMLDIQQDEYLPVWGETDETSFEAGIKVQIHSQDEPPLIDQLGFGVAPGFQTFVSCQEQRLIYLPPPWGDCKATTGDSEFYDTYSITACRIDCETRYLVENCNCRMVHMPGDAPYCTPEQYKECADPALDFLVEKDNEYCVCEMPCNVTRYGKELSMVKIPSKASAKYLAKKYNKSEQYIGENILVLDIFFEALNYETIEQKKAYEVAGLLGDIGGQMGLFIGASILTVLELFD 454
                                    59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439       449     


Chain B from PDB  Type:PROTEIN  Length:406
                                                                                                                                                                                                                                                                                                                                                                                                                                                      
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhhhh....eeeeeeee....ee..eeeeee....hhhhhhhhhhhhhh..................hhhhhhhhhhhh..........hhhhhhhhhh.hhhhheeeeee..ee.hhh.eeeeee..eeeeee..........ee...hhhh.eeeeee.hhhhh...............eeeeee......hhhhhheee...eeeeeeeeeeeee......................hhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh...........eeeeeeeeeeeee..hhhhhhhhhhhhh.hhhhhhhheeeeeeeeeeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fz0 B  45 VVWALCFMGSLALLALVCTNRIQYYFLYPHVTKLDEVAATRLTFPAVTFCNLNEFRFSRVTKNDLYHAGELLALLNNRYEIPDTQTADEKQLEILQDKANFRNFKPKPFNMLEFYDRAGHDIREMLLSCFFRGEQCSPEDFKVVFTRYGKCYTFNAGQDGKPRLITMKGGTGNGLEIMLDIQQDEYLPVWGETDETSFEAGIKVQIHSQDEPPLIDQLGFGVAPGFQTFVSCQEQRLIYLPPPWGDCKATTGDSEFYDTYSITACRIDCETRYLVENCNCRMVHMPGDAPYCTPEQYKECADPALDFLVEKDNEYCVCEMPCNVTRYGKELSMVKIPSKASAKYLAKKYNKSEQYIGENILVLDIFFEALNYETIEQKKAYEVAGLLGDIGGQMGLFIGASILTVL 450
                                    54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274       284       294       304       314       324       334       344       354       364       374       384       394       404       414       424       434       444      


Chain C from PDB  Type:PROTEIN  Length:410
                                                                                                                                                                                                                                                                                                                                                                                                                                                          
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhhh...eeeeeeee....ee..eeeeee....hhhhhhhhhhhhhh..................hhhhhhhhhhhh..........hhhhhhhhhh.hhhhheeeeee..ee.hhh.eeeeee..eeeeee..........ee...hhhh.eeeeee.hhhhh...............eeeeee......hhhhhheee...eeeeeeeeeeeee......................hhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhh...........eeeeeeeeeeeee..hhhhhhhhhhhhh.hhhhhhhheeeeeeeeeeeeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4fz0 C  42 LKRVVWALCFMGSLALLALVCTNRIQYYFLYPHVTKLDEVAATRLTFPAVTFCNLNEFRFSRVTKNDLYHAGELLALLNNRYEIPDTQTADEKQLEILQDKANFRNFKPKPFNMLEFYDRAGHDIREMLLSCFFRGEQCSPEDFKVVFTRYGKCYTFNAGQDGKPRLITMKGGTGNGLEIMLDIQQDEYLPVWGETDETSFEAGIKVQIHSQDEPPLIDQLGFGVAPGFQTFVSCQEQRLIYLPPPWGDCKATTGDSEFYDTYSITACRIDCETRYLVENCNCRMVHMPGDAPYCTPEQYKECADPALDFLVEKDNEYCVCEMPCNVTRYGKELSMVKIPSKASAKYLAKKYNKSEQYIGENILVLDIFFEALNYETIEQKKAYEVAGLLGDIGGQMGLFIGASILTVLE 451
                                    51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381       391       401       411       421       431       441       451


Chain M from PDB  Type:PROTEIN  Length:37
                                                                     
               SCOP domains ------------------------------------- SCOP domains
               CATH domains ------------------------------------- CATH domains
               Pfam domains ------------------------------------- Pfam domains
         Sec.struct. author ...................eeee.......eeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------- PROSITE
                 Transcript ------------------------------------- Transcript
                 4fz0 M   2 DCIPKWKGCVNRHGDCCEGLECWKRRRSFEVCVPKTP  38
                                    11        21        31       


Chain N from PDB  Type:PROTEIN  Length:36
                                                                    
               SCOP domains ------------------------------------ SCOP domains
               CATH domains ------------------------------------ CATH domains
               Pfam domains ------------------------------------ Pfam domains
         Sec.struct. author ...................eeee.......eeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------ PROSITE
                 Transcript ------------------------------------ Transcript
                 4fz0 N   2 DCIPKWKGCVNRHGDCCEGLECWKRRRSFEVCVPKT  37
                                    11        21        31      


Chain O from PDB  Type:PROTEIN  Length:38
                                                                      
               SCOP domains -------------------------------------- SCOP domains
               CATH domains -------------------------------------- CATH domains
               Pfam domains -------------------------------------- Pfam domains
         Sec.struct. author ....................eeee.......eeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------- PROSITE
                 Transcript -------------------------------------- Transcript
                 4fz0 O   1 EDCIPKWKGCVNRHGDCCEGLECWKRRRSFEVCVPKTP  38
                                    10        20        30
   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 4FZ0)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4FZ0)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4FZ0)

(-) Gene Ontology  (26, 26)

Asymmetric/Biological Unit(hide GO term definitions)

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  4fz0
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  TXP1_PSACA | P60514
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 Related Entries

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

UniProtKB/Swiss-Prot
        ASIC1_CHICK | Q1XA76: 2qts 3ij4 3s3w 3s3x 4fz1 4ntw 4ntx 4nty 4nyk
        TXP1_PSACA | P60514: 1lmm 2kni 3s3x 4fz1

(-) Related Entries Specified in the PDB File

4fz1