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(-) Description

Title :  CRYSTAL STRUCTURE OF TENDAMISTAT
 
Authors :  V. Koenig, L. Vertesy, T. R. Schneider
Date :  16 Jul 03  (Deposition) - 15 Jan 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  0.93
Chains :  Asym./Biol. Unit :  A
Keywords :  Inhibitor, Alpha Amylase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  V. Koenig, L. Vertesy, T. R. Schneider
Crystal Structure Of The Alpha-Amylase Inhibitor Tendamistat At 0. 93 A
Acta Crystallogr. , Sect. D V. 59 1737 2003
PubMed-ID: 14501112  |  Reference-DOI: 10.1107/S0907444903015828

(-) Compounds

Molecule 1 - ALPHA-AMYLASE INHIBITOR HOE-467A
    Atcc: 31210
    Chains: A
    Organism Scientific: STREPTOMYCES TENDAE
    Organism Taxid: 1932
    Strain: 4158
    Synonym: TENDAMISTAT

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2GOL2Ligand/IonGLYCEROL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:2 , THR A:3 , ARG A:19 , CYS A:45 , GOL A:601 , HOH A:2156 , HOH A:2159BINDING SITE FOR RESIDUE CL A 701
2AC2SOFTWAREGLN A:52 , ASP A:58 , GLY A:62 , SER A:63 , HOH A:2118 , HOH A:2131 , HOH A:2152BINDING SITE FOR RESIDUE GOL A 501
3AC3SOFTWARESER A:10 , CYS A:11 , TYR A:20 , CYS A:45 , CL A:701 , HOH A:2030 , HOH A:2102 , HOH A:2154 , HOH A:2155 , HOH A:2156 , HOH A:2157 , HOH A:2158 , HOH A:2159BINDING SITE FOR RESIDUE GOL A 601

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:11 -A:27
2A:45 -A:73

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1OK0)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1OK0)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1OK0)

(-) Exons   (0, 0)

(no "Exon" information available for 1OK0)

(-) 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:74
 aligned with IAA_STRTE | P01092 from UniProtKB/Swiss-Prot  Length:104

    Alignment length:74
                                    40        50        60        70        80        90       100    
            IAA_STRTE    31 DTTVSEPAPSCVTLYQSWRYSQADNGCAQTVTVKVVYEDDTEGLCYAVAPGQITTVGDGYIGSHGHARYLARCL 104
               SCOP domains d1ok0a_ A: alpha-Amylase inhibitor tendamistat                             SCOP domains
               CATH domains 1ok0A00 A:1-74 Alpha-Amylase inhibitor                                     CATH domains
               Pfam domains ----A_amylase_inhib-1ok0A01 A:5-73                                       - Pfam domains
         Sec.struct. author ...........eeeee...eeeeee.....eeeeeee........eee....eeeeee........eeeeee.. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------- Transcript
                 1ok0 A   1 DTTVSEPAPSCVTLYQSWRYSQADNGCAETVTVKVVYEDDTEGLCYAVAPGQITTVGDGYIGSHGHARYLARCL  74
                                    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, 1)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: A_amylase_inhib] (2)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (IAA_STRTE | P01092)
molecular function
    GO:0015066    alpha-amylase inhibitor activity    Stops, prevents or reduces the activity of alpha-amylase.
biological process
    GO:0043086    negative regulation of catalytic activity    Any process that stops or reduces the activity of an enzyme.

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  1ok0
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 Related Entries

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

UniProtKB/Swiss-Prot
        IAA_STRTE | P01092: 1bvn 1hoe 2ait 3ait 4ait

(-) Related Entries Specified in the PDB File

1bvn PIG PANCREATIC ALPHA-AMYLASE IN COMPLEX WITH THEPROTEINACEOUS INHIBITOR TENDAMISTAT
1hoe ALPHA-AMYLASE INHIBITOR HOE-467A
2ait TENDAMISTAT
3ait TENDAMISTAT (ENERGY MINIMIZED MODEL USING "AMBER" 3.0) (NMR)
4ait TENDAMISTAT (ENERGY MINIMIZED MODEL USING "FANTOM") (NMR)