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(-) Description

Title :  TRICHOTOXIN_A50E, AN ION CHANNEL-FORMING POLYPEPTIDE
 
Authors :  J. K. Chugh, H. Brueckner, B. A. Wallace
Date :  21 Jun 02  (Deposition) - 06 Nov 02  (Release) - 05 Sep 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  0.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  A (1x),B (1x)
Keywords :  Trichotoxin, Peptaibol, Antibacterial, Antifungal, Antibiotic (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. K. Chugh, H. Brueckner, B. A. Wallace
Model For A Helical Bundle Channel Based On The High-Resolution Crystal Structure Of Trichotoxin_a50E
Biochemistry V. 41 12934 2002
PubMed-ID: 12390019  |  Reference-DOI: 10.1021/BI026150Z

(-) Compounds

Molecule 1 - TRICHOTOXIN_A50E
    Chains: A, B
    Organism Scientific: TRICHODERMA VIRIDE
    Organism Taxid: 5547
    Strain: NRRL 5242

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): AB
Biological Unit 2 (1x): A (1x)B (1x)

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 24)

Asymmetric Unit (4, 24)
No.NameCountTypeFull Name
1ACE2Mod. Amino AcidACETYL GROUP
2AIB18Mod. Amino AcidALPHA-AMINOISOBUTYRIC ACID
3CCN2Ligand/IonACETONITRILE
4VOL2Mod. Amino AcidL-VALINOL
Biological Unit 1 (4, 24)
No.NameCountTypeFull Name
1ACE2Mod. Amino AcidACETYL GROUP
2AIB18Mod. Amino AcidALPHA-AMINOISOBUTYRIC ACID
3CCN2Ligand/IonACETONITRILE
4VOL2Mod. Amino AcidL-VALINOL
Biological Unit 2 (4, 12)
No.NameCountTypeFull Name
1ACE1Mod. Amino AcidACETYL GROUP
2AIB9Mod. Amino AcidALPHA-AMINOISOBUTYRIC ACID
3CCN1Ligand/IonACETONITRILE
4VOL1Mod. Amino AcidL-VALINOL

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:6 , ACE B:0 , AIB B:1 , LEU B:14 , AIB B:15 , AIB B:16 , GLN B:17 , VOL B:18BINDING SITE FOR RESIDUE CCN A 19
2AC2SOFTWAREAIB A:1 , GLY A:2 , GLN A:17 , HOH A:2002 , AIB B:5 , GLN B:6BINDING SITE FOR RESIDUE CCN B 19
3AC3SOFTWARECCN A:19 , HOH A:2001 , HOH A:2002 , ACE B:0 , AIB B:1 , GLY B:2 , AIB B:3 , LEU B:4 , GLN B:6 , AIB B:9 , ALA B:10 , ALA B:11 , AIB B:12 , PRO B:13 , LEU B:14 , AIB B:15 , AIB B:16 , GLN B:17 , VOL B:18 , CCN B:19 , HOH B:2003BINDING SITE FOR CHAIN A OF TRICHOTOXIN_A50E
4AC4SOFTWAREACE A:0 , AIB A:1 , GLY A:2 , AIB A:3 , LEU A:4 , GLN A:6 , AIB A:7 , AIB A:8 , AIB A:9 , ALA A:10 , ALA A:11 , AIB A:12 , PRO A:13 , LEU A:14 , AIB A:16 , GLN A:17 , VOL A:18 , CCN A:19 , CCN B:19 , HOH B:2001 , HOH B:2002 , HOH B:2003BINDING SITE FOR CHAIN B OF TRICHOTOXIN_A50E

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M24)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1M24)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1M24)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1M24)

(-) Exons   (0, 0)

(no "Exon" information available for 1M24)

(-) 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:19
                                                  
               SCOP domains d1m24a_ A:          SCOP domains
               CATH domains ------------------- CATH domains
               Pfam domains ------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------- SAPs(SNPs)
                    PROSITE ------------------- PROSITE
                 Transcript ------------------- Transcript
                  1m24 A  0 xxGxLxQxxxAAxPLxxQx 18
                            || | | ||9  |  || |
                            || | | |||  |  16-AIB
                            0-ACE| |||  |  | 18-VOL
                             1-AIB |||  |  |   
                               3-AIB||  |  |   
                                 5-AIB  |  |   
                                   7-AIB|  |   
                                    8-AIB  |   
                                     9-AIB |   
                                       12-AIB  


Chain B from PDB  Type:PROTEIN  Length:19
                                                  
               SCOP domains d1m24b_ B:          SCOP domains
               CATH domains ------------------- CATH domains
               Pfam domains ------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------- SAPs(SNPs)
                    PROSITE ------------------- PROSITE
                 Transcript ------------------- Transcript
                  1m24 B  0 xxGxLxQxxxAAxPLxxQx 18
                            || | | ||9  |  || |
                            || | | |||  |  16-AIB
                            0-ACE| |||  |  | 18-VOL
                             1-AIB |||  |  |   
                               3-AIB||  |  |   
                                 5-AIB  |  |   
                                   7-AIB|  |   
                                    8-AIB  |   
                                     9-AIB |   
                                       12-AIB
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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, 2)

Asymmetric Unit
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1M24)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1M24)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
    (no "Gene Ontology" information available for 1M24)

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 Related Entries

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(-) Related Entries Specified in the PDB File

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1ee7 SOLUTION STRUCTURE OF THE PEPTAIBOL CHRYSOSPERMIN C BOUND TO DPC MICELLES
1gq0 SOLUTION STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I
1ih9 SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB BOUND TO DPC MICELLES
1joh CRYSTAL STRUCTURE OF THE PEPTAIBOL ANTIAMOEBIN I
1ob4 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL A
1ob6 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL B
1ob7 CRYSTAL STRUCTURE OF THE PEPTAIBOL CEPHAIBOL C
1r9u SOLUTION STRUCTURE OF THE PEPTAIBOL ZERVAMICIN IIB IN METHANO