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(-) Description

Title :  STRUCTURE OF THE TICK ION-CHANNEL MODULATOR RA-KLP
 
Authors :  G. C. Paesen, C. Siebold, M. Dallas, C. Peers, K. Harlos, P. A. Nuttall, M D. I. Stuart, R. M. Esnouf
Date :  20 Jan 09  (Deposition) - 05 May 09  (Release) - 28 Jun 17  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Salivary Gland, Kunitz Domains, Maxik Channel Activation, Sulphur Sad, Membrane Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. C. Paesen, C. Siebold, M. L. Dallas, C. Peers, K. Harlos, P. A. Nuttall, M. A. Nunn, D. I. Stuart, R. M. Esnouf
An Ion-Channel Modulator From The Saliva Of The Brown Ear Tick Has A Highly Modified Kunitz/Bpti Structure.
J. Mol. Biol. V. 389 734 2009
PubMed-ID: 19394347  |  Reference-DOI: 10.1016/J.JMB.2009.04.045

(-) Compounds

Molecule 1 - ION-CHANNEL MODULATOR RAKLP
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET23A
    Expression System Strain: ORIGAMI(DE3) PLYSS
    Expression System Taxid: 562
    Expression System Vector: ESCEHRICHIA COLI
    Organism Common: TICK
    Organism Scientific: RHIPICEPHALUS APPENDICULATUS
    Organism Taxid: 34631

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2GOL1Ligand/IonGLYCEROL
3IMD1Ligand/IonIMIDAZOLE

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:63 , ALA A:68 , ALA A:72 , HOH A:2085 , HOH A:2086 , HOH A:2087 , CYS B:20 , HOH B:2013 , HOH B:2058BINDING SITE FOR RESIDUE GOL A 1083
2AC2SOFTWAREHOH A:2080 , PRO B:30 , ASN B:31 , HIS B:37 , HIS B:43 , GLY B:54 , HOH B:2033BINDING SITE FOR RESIDUE ACT B 1077
3AC3SOFTWAREHIS B:37BINDING SITE FOR RESIDUE IMD B 1078

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:13 -A:28
2A:20 -A:60
3A:26 -A:73
4A:51 -A:69
5B:13 -B:28
6B:20 -B:60
7B:26 -B:73
8B:51 -B:69

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2W8X)

 Sequence-Structure Mapping

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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    
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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:72
                                                                                                       
               SCOP domains ------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ............hhhhhh........eeeeeeeee....eeeeeee........hhhhhhhhh.hhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                  2w8x A 11 FNCNKREGPCSQRSLCECDPNLQLGRHSDQLWHYNLRTNRCERGGYRDNCNSHSSSGACVMACERIHHHHHH 82
                                    20        30        40        50        60        70        80  


Chain B from PDB  Type:PROTEIN  Length:66
                                                                                                 
               SCOP domains ------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..........hhhhhhhh........eeeeeeeee....eeeeeee........hhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------ Transcript
                  2w8x B 11 FNCNKREGPCSQRSLCECDPNLQLGRHSDQLWHYNLRTNRCERGGYRDNCNSHSSSGACVMACERI 76
                                    20        30        40        50        60        70
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 Classification and Annotation

(-) SCOP Domains  (0, 0)

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(-) CATH Domains  (0, 0)

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (0, 0)

Asymmetric/Biological Unit(hide GO term definitions)
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