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(-) Description

Title :  CRYSTAL STRUCTURE OF THE BOTHROPSTOXIN-I COMPLEXED WITH POLYETHYLENE GLYCOL
 
Authors :  M. T. Murakami, R. K. Arni
Date :  07 Jun 06  (Deposition) - 19 Jun 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Lys49-Pla2S, Myotoxicity, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. T. Murakami, M. M. Vicotia, J. R. B. Abrego, M. R. Lourenzoni, A. C. O. Cintra, E. Z. Arruda, M. A. Tomaz, P. A. Melo, R. K. Arni
Interfacial Surface Charge And Free Accessibility To The Pla2-Active Site-Like Region Are Essential Requirements For The Activity Of Lys49 Pla2 Homologues
Toxicon V. 49 378 2007
PubMed-ID: 17157889  |  Reference-DOI: 10.1016/J.TOXICON.2006.10.011

(-) Compounds

Molecule 1 - PHOSPHOLIPASE A2 HOMOLOG 1
    ChainsA, B
    Organism CommonJARARACUSSU
    Organism ScientificBOTHROPS JARARACUSSU
    Organism Taxid8726
    Other DetailsVENOM GLAND
    SynonymBOTHROPSTOXIN I, BTHTX-I, BTXTXI

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1PEG2Ligand/IonDI(HYDROXYETHYL)ETHER

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR B:21 , CYS B:28 , GLY B:29 , HOH B:246BINDING SITE FOR RESIDUE PEG B 201
2AC2SOFTWARELEU A:5 , TYR A:21 , GLY A:22 , ASN A:27 , CYS A:28 , GLY A:29 , VAL A:30 , CYS A:44 , HIS A:47 , HOH A:243 , LEU B:31BINDING SITE FOR RESIDUE PEG A 202

(-) SS Bonds  (14, 14)

Asymmetric/Biological Unit
No.Residues
1A:26 -A:115
2A:28 -A:44
3A:43 -A:95
4A:49 -A:121
5A:50 -A:88
6A:57 -A:81
7A:75 -A:86
8B:26 -B:115
9B:28 -B:44
10B:43 -B:95
11B:49 -B:121
12B:50 -B:88
13B:57 -B:81
14B:75 -B:86

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2H8I)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 6)

Asymmetric/Biological Unit (3, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_PA2B1_BOTJR_001 *F19LPA2B1_BOTJR  ---  ---A/BF3L
2UniProtVAR_PA2B1_BOTJR_002 *Y37HPA2B1_BOTJR  ---  ---A/BY21H
3UniProtVAR_PA2B1_BOTJR_003 *P136APA2B1_BOTJR  ---  ---A/BP120A
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (2, 4)

Asymmetric/Biological Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PA2_HISPS00118 Phospholipase A2 histidine active site.PA2B1_BOTJR59-66
 
  2A:43-50
B:43-50
2PA2_ASPPS00119 Phospholipase A2 aspartic acid active site.PA2B1_BOTJR101-111
 
  2A:85-95
B:85-95

(-) Exons   (0, 0)

(no "Exon" information available for 2H8I)

(-) 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:121
 aligned with PA2B1_BOTJR | Q90249 from UniProtKB/Swiss-Prot  Length:137

    Alignment length:121
                                    26        36        46        56        66        76        86        96       106       116       126       136 
          PA2B1_BOTJR    17 SLFELGKMILQETGKNPAKSYGAYGCNCGVLGRGKPKDATDRCCYVHKCCYKKLTGCDPKKDRYSYSWKDKTIVCGENNPCLKELCECDKAVAICLRENLGTYNKKYRYHLKPFCKKADPC 137
               SCOP domains d2h8ia_ A: automated matches                                                                                              SCOP domains
               CATH domains 2h8iA00 A:1-121 Phospholipase A2                                                                                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.hhhhhhhee...ee........hhhhhhhhhhhhhhh.............eeee..eeee...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) --L-----------------H--------------------------------------------------------------------------------------------------A- SAPs(SNPs)
                    PROSITE ------------------------------------------PA2_HIS ----------------------------------PA2_ASP    -------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 2h8i A   1 SLFELGKMILQETGKNPAKSYGAYGCNCGVLGRGKPKDATDRCCYVHKCCYKKLTGCNPKKDRYSYSWKDKTIVCGENNPCLKELCECDKAVAICLRENLGTYNKKYRYHLKPFCKKADPC 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 

Chain B from PDB  Type:PROTEIN  Length:121
 aligned with PA2B1_BOTJR | Q90249 from UniProtKB/Swiss-Prot  Length:137

    Alignment length:121
                                    26        36        46        56        66        76        86        96       106       116       126       136 
          PA2B1_BOTJR    17 SLFELGKMILQETGKNPAKSYGAYGCNCGVLGRGKPKDATDRCCYVHKCCYKKLTGCDPKKDRYSYSWKDKTIVCGENNPCLKELCECDKAVAICLRENLGTYNKKYRYHLKPFCKKADPC 137
               SCOP domains d2h8ib_ B: automated matches                                                                                              SCOP domains
               CATH domains 2h8iB00 B:1-121 Phospholipase A2                                                                                          CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhh.hhhhhhh...............hhhhhhhhhhhhhhhh............eeee..eeee...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhh...... Sec.struct. author
                 SAPs(SNPs) --L-----------------H--------------------------------------------------------------------------------------------------A- SAPs(SNPs)
                    PROSITE ------------------------------------------PA2_HIS ----------------------------------PA2_ASP    -------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------- Transcript
                 2h8i B   1 SLFELGKMILQETGKNPAKSYGAYGCNCGVLGRGKPKDATDRCCYVHKCCYKKLTGCNPKKDRYSYSWKDKTIVCGENNPCLKELCECDKAVAICLRENLGTYNKKYRYHLKPFCKKADPC 121
                                    10        20        30        40        50        60        70        80        90       100       110       120 

   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, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2H8I)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PA2B1_BOTJR | Q90249)
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:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    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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 Related Entries

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

UniProtKB/Swiss-Prot
        PA2B1_BOTJR | Q902493cxi 3hzd 3hzw 3i03 3i3h 3i3i 3iq3 4k06 4k09 4wtb

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2H8I)