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(-) Description

Title :  CRYSTAL STRUCTURE OF TAIPOXIN BETA SUBUNIT ISOFORM 1
 
Authors :  L. Cendron, I. Micetic, P. Polverino De Laureto, M. Beltramini, M. Pa
Date :  03 Jan 12  (Deposition) - 25 Jul 12  (Release) - 26 Sep 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym./Biol. Unit :  A
Keywords :  Phospholipase A2 Fold, Pla2 Fold, Neurotoxin, Phospholipase, Calcium Binding, Taipoxin Alpha Subunit Binding, Taipoxin Gamma Subunit Binding, Secreted, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Cendron, I. Micetic, P. Polverino De Laureto, M. Paoli
Structural Analysis Of Trimeric Phospholipase A(2) Neurotoxin From The Australian Taipan Snake Venom.
Febs J. V. 279 3121 2012
PubMed-ID: 22776098  |  Reference-DOI: 10.1111/J.1742-4658.2012.08691.X

(-) Compounds

Molecule 1 - PHOSPHOLIPASE A2 HOMOLOG, TAIPOXIN BETA CHAIN
    Chains: A
    EC Number: 3.1.1.4
    Organism Common: AUSTRALIAN TAIPAN
    Organism Scientific: OXYURANUS SCUTELLATUS SCUTELLATUS
    Organism Taxid: 8667
    Secretion: VENOM

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3VC0)

(-) Sites  (0, 0)

(no "Site" information available for 3VC0)

(-) SS Bonds  (7, 7)

Asymmetric/Biological Unit
No.Residues
1A:11 -A:71
2A:27 -A:117
3A:29 -A:45
4A:44 -A:98
5A:51 -A:91
6A:60 -A:84
7A:78 -A:89

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Gly A:32 -Gly A:33

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3VC0)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PA2_HISPS00118 Phospholipase A2 histidine active site.PA2TB_OXYSC71-78  1A:44-51
2PA2_ASPPS00119 Phospholipase A2 aspartic acid active site.PA2TB_OXYSC115-125  1A:88-98

(-) Exons   (0, 0)

(no "Exon" information available for 3VC0)

(-) 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:118
 aligned with PA2TB_OXYSC | P00615 from UniProtKB/Swiss-Prot  Length:145

    Alignment length:118
                                    37        47        57        67        77        87        97       107       117       127       137        
          PA2TB_OXYSC    28 NLVQFGKMIECAIRNRRPALDFMNYGCYCGKGGSGTPVDDLDRCCQVHDECYAEAEKHGCYPSLTTYTWECRQVGPYCNSKTQCEVFVCACDFAAAKCFAQEDYNPAHSNINTGERCK 145
               SCOP domains d3vc0a_ A: automated matches                                                                                           SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhh....hhhhhhh..............hhhhhhhhhhhhhhhhhhhh..hhhhh...eeee..eeee...hhhhhhhhhhhhhhhhhhhhh..hhhhh..hhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------PA2_HIS ------------------------------------PA2_ASP    -------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 3vc0 A   1 NLVQFGKMIECAIRNRRPALDFMNYGCYCGKGGSGTPVDDLDRCCQVHDECYAEAEKHGCYPSLTTYTWECRQVGPYCNSKTQCEVFVCACDFAAAKCFAQEDYNPAHSNINTGERCK 118
                                    10        20        30        40        50        60        70        80        90       100       110
   Legend:   → Mismatch (orange background)
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  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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3VC0)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3VC0)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PA2TB_OXYSC | P00615)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0004623    phospholipase A2 activity    Catalysis of the reaction: phosphatidylcholine + H2O = 1-acylglycerophosphocholine + a carboxylate.
biological process
    GO:0016042    lipid catabolic process    The chemical reactions and pathways resulting in the breakdown of lipids, compounds soluble in an organic solvent but not, or sparingly, in an aqueous solvent.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

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  Cis Peptide Bonds
    Gly A:32 - Gly A:33   [ RasMol ]  
 

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  3vc0
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  3.1.1.4
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 Related Entries

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

UniProtKB/Swiss-Prot
        PA2TB_OXYSC | P00615: 3vbz

(-) Related Entries Specified in the PDB File

3vbz CRYSTAL STRUCTURE OF TAIPOXIN BETA SUBUNIT ISOFORM 2