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(-) Description

Title :  BETA-SCORPION TOXIN FOLDED IN THE PERIPLASM OF E.COLI
 
Authors :  A. O O'Reilly, A. R. Cole, J. L. Lopes, A. Lampert, B. A. Wallace
Date :  29 May 13  (Deposition) - 12 Feb 14  (Release) - 12 Feb 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  C  (1x)
Biol. Unit 4:  D  (1x)
Keywords :  Alpha-Beta, Venom, Voltage Gated Na-Channels, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. O. O'Reilly, A. R. Cole, J. L. Lopes, A. Lampert, B. A. Wallace
Chaperone-Mediated Native Folding Of A Beta-Scorpion Toxin In The Periplasm Of Escherichia Coli.
Biochim. Biophys. Acta V. 1840 10 2014
PubMed-ID: 23999087  |  Reference-DOI: 10.1016/J.BBAGEN.2013.08.021

(-) Compounds

Molecule 1 - BETA-INSECT EXCITATORY TOXIN BJ-XTRIT
    Chains: A, B, C, D
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: XTRIT
    Organism Common: SCORPION
    Organism Scientific: HOTTENTOTTA JUDAICUS
    Organism Taxid: 6863
    Synonym: BJXTR-IT, BJXTRIT

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): A   
Biological Unit 2 (1x):  B  
Biological Unit 3 (1x):   C 
Biological Unit 4 (1x):    D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1PG41Ligand/IonTETRAETHYLENE GLYCOL
2PGE2Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1PG4-1Ligand/IonTETRAETHYLENE GLYCOL
2PGE1Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1PG4-1Ligand/IonTETRAETHYLENE GLYCOL
2PGE-1Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 3 (1, 1)
No.NameCountTypeFull Name
1PG4-1Ligand/IonTETRAETHYLENE GLYCOL
2PGE1Ligand/IonTRIETHYLENE GLYCOL
Biological Unit 4 (1, 1)
No.NameCountTypeFull Name
1PG41Ligand/IonTETRAETHYLENE GLYCOL
2PGE-1Ligand/IonTRIETHYLENE GLYCOL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:5 , TRP A:44 , LYS A:62 , HOH A:281BINDING SITE FOR RESIDUE PGE A 101
2AC2SOFTWARETYR C:5 , TRP C:44 , LYS C:62BINDING SITE FOR RESIDUE PGE C 101
3AC3SOFTWARETYR B:5 , TRP B:44 , LYS B:62 , THR B:65 , HOH B:139 , TYR D:5 , TRP D:44BINDING SITE FOR RESIDUE PG4 D 101

(-) SS Bonds  (16, 16)

Asymmetric Unit
No.Residues
1A:16 -A:42
2A:27 -A:47
3A:31 -A:49
4A:43 -A:69
5B:16 -B:42
6B:27 -B:47
7B:31 -B:49
8B:43 -B:69
9C:16 -C:42
10C:27 -C:47
11C:31 -C:49
12C:43 -C:69
13D:16 -D:42
14D:27 -D:47
15D:31 -D:49
16D:43 -D:69

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4KYP)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4KYP)

(-) 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:72
                                                                                                       
               SCOP domains d4kypa_ A: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eee.............hhhhhhhhhhhhhhhhh....eeeee..eeeeeee.........hhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                  4kyp A  1 KKNGYPLDRNGKTTECSGVNAIAPHYCNSECTKVYYAESGYCCWGACYCFGLEDDKPIGPMKDITKKYCDVQ 72
                                    10        20        30        40        50        60        70  


Chain B from PDB  Type:PROTEIN  Length:72
                                                                                                       
               SCOP domains d4kypb_ B: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eee.............hhhhhhhhhhhhhhhhh....eeeee..eeeeeee.........hhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                  4kyp B  1 KKNGYPLDRNGKTTECSGVNAIAPHYCNSECTKVYYAESGYCCWGACYCFGLEDDKPIGPMKDITKKYCDVQ 72
                                    10        20        30        40        50        60        70  


Chain C from PDB  Type:PROTEIN  Length:73
                                                                                                        
               SCOP domains d4kypc_ C: automated matches                                              SCOP domains
               CATH domains ------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eee.............hhhhhhhhhhhhhhhhh....eeeee..eeeeeee.........hhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------- Transcript
                  4kyp C  1 KKNGYPLDRNGKTTECSGVNAIAPHYCNSECTKVYYAESGYCCWGACYCFGLEDDKPIGPMKDITKKYCDVQI 73
                                    10        20        30        40        50        60        70   


Chain D from PDB  Type:PROTEIN  Length:72
                                                                                                       
               SCOP domains d4kypd_ D: automated matches                                             SCOP domains
               CATH domains ------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eee.............hhhhhhhhhhhhhhhhh....eeeee..eeeeeee.........hhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------ Transcript
                  4kyp D  1 KKNGYPLDRNGKTTECSGVNAIAPHYCNSECTKVYYAESGYCCWGACYCFGLEDDKPIGPMKDITKKYCDVQ 72
                                    10        20        30        40        50        60        70
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 4)

Asymmetric Unit
(-)
Class: Small proteins (3458)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)

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 Related Entries

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UniProtKB/Swiss-Prot
        SIXE_HOTJU | P56637: 1bcg

(-) Related Entries Specified in the PDB File

1bcg NATIVE BETA-SCORPION TOXIN