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(-) Description

Title :  STRUCTURE DETERMINATION OF A DIMERIC FORM OF ERABUTOXIN B, CRYSTALLIZED FROM THIOCYANATE SOLUTION
 
Authors :  T. Prange, P. Saludjian
Date :  31 May 91  (Deposition) - 15 Jan 93  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Saludjian, T. Prange, J. Navaza, R. Menez, J. P. Guilloteau, M. Ries-Kautt, A. Ducruix
Structure Determination Of A Dimeric Form Of Erabutoxin-B, Crystallized From A Thiocyanate Solution.
Acta Crystallogr. , Sect. B V. 48 520 1992
PubMed-ID: 1418823  |  Reference-DOI: 10.1107/S010876819200096X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ERABUTOXIN B
    Chains: A, B
    Engineered: YES
    Organism Common: BROAD-BANDED BLUE SEA KRAIT
    Organism Scientific: LATICAUDA SEMIFASCIATA
    Organism Taxid: 8631

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1SCN1Ligand/IonTHIOCYANATE ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:33 , SER B:23 , CYS B:54BINDING SITE FOR RESIDUE SCN B 63
2CMAUNKNOWNCYS A:3 , PHE A:4 , CYS A:17 , CYS A:24 , TYR A:25 , GLY A:40 , CYS A:41 , GLY A:42 , CYS A:43 , CYS A:54 , CYS A:55 , CYS A:60 , ASN A:61NULL
3CMBUNKNOWNCYS B:3 , PHE B:4 , CYS B:17 , CYS B:24 , TYR B:25 , GLY B:40 , CYS B:41 , GLY B:42 , CYS B:43 , CYS B:54 , CYS B:55 , CYS B:60 , ASN B:61NULL
4FNAUNKNOWNLYS A:27 , TRP A:29 , ARG A:33 , LYS A:47NULL
5FNBUNKNOWNLYS B:27 , TRP B:29 , ARG B:33 , LYS B:47NULL
6RCAUNKNOWNTYR A:25 , LYS A:27 , TRP A:29 , ASP A:31 , PHE A:32 , ARG A:33 , GLY A:34 , ILE A:36 , GLU A:38 , GLY A:40 , CYS A:41 , GLY A:42 , CYS A:43 , PRO A:44 , VAL A:46 , LYS A:47 , GLY A:49 , ILE A:50 , LEU A:52 , CYS A:54NULL
7RCBUNKNOWNTYR B:25 , LYS B:27 , TRP B:29 , ASP B:31 , PHE B:32 , ARG B:33 , GLY B:34 , ILE B:36 , GLU B:38 , GLY B:40 , CYS B:41 , GLY B:42 , CYS B:43 , PRO B:44 , VAL B:46 , LYS B:47 , GLY B:49 , ILE B:50 , LEU B:52 , CYS B:54NULL

(-) SS Bonds  (8, 8)

Asymmetric/Biological Unit
No.Residues
1A:3 -A:24
2A:17 -A:41
3A:43 -A:54
4A:55 -A:60
5B:3 -B:24
6B:17 -B:41
7B:43 -B:54
8B:55 -B:60

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 6EBX)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 6EBX)

(-) Exons   (0, 0)

(no "Exon" information available for 6EBX)

(-) 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:62
                                                                                             
               SCOP domains d6ebxa_ A: Erabutoxin B (also neurotoxin B)                    SCOP domains
               CATH domains 6ebxA00 A:1-62 CD59                                            CATH domains
               Pfam domains -------------------------------------------------------------- Pfam domains
         Sec.struct. author eeeee.......eeeee.....eeeeeeeee..eeeeeeee........eeeeee....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------- Transcript
                  6ebx A  1 RICFNHQSSQPQTTKTCSPGESSCYHKQWSDFRGTIIERGCGCPTVKPGIKLSCCESEVCNN 62
                                    10        20        30        40        50        60  


Chain B from PDB  Type:PROTEIN  Length:62
                                                                                             
               SCOP domains d6ebxb_ B: Erabutoxin B (also neurotoxin B)                    SCOP domains
               CATH domains 6ebxB00 B:1-62 CD59                                            CATH domains
               Pfam domains -------------------------------------------------------------- Pfam domains
         Sec.struct. author eeeee.......eeeee.....eeeeeeeee..eeeeeeee........eeeeee....... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------- Transcript
                  6ebx B  1 RICFNHQSSQPQTTKTCSPGESSCYHKQWSDFRGTIIERGCGCPTVKPGIKLSCCESEVCNN 62
                                    10        20        30        40        50        60
   Legend:   → Mismatch (orange background)
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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/Biological Unit
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 6EBX)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)

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        3S1EB_LATSE | Q90VW1: 1era 1fra 1nxb 3ebx

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