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(-) Description

Title :  CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCO (PH 5.0)
 
Authors :  M. Hothorn, K. Scheffzek
Date :  29 Mar 06  (Deposition) - 30 Mar 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.84
Chains :  Asym./Biol. Unit :  A
Keywords :  Inhibitor, Protein Binding, Four-Helix Bundle, Helical Hairpin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Hothorn, K. Scheffzek
Multiple Crystal Forms Of The Cell-Wall Invertase Inhibitor From Tobacco Support High Conformational Rigidity Over A Broad Ph-Range
Acta Crystallogr. , Sect. D V. 62 665 2006
PubMed-ID: 16699194  |  Reference-DOI: 10.1107/S0907444906011693

(-) Compounds

Molecule 1 - INVERTASE INHIBITOR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PETM20
    Expression System Strain: ORIGAMI DE3
    Expression System Taxid: 562
    Organism Common: COMMON TOBACCO
    Organism Scientific: NICOTIANA TABACUM
    Organism Taxid: 4097
    Tissue: CELL WALL

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 5)

Asymmetric/Biological Unit (2, 5)
No.NameCountTypeFull Name
1ACT3Ligand/IonACETATE ION
2SO42Ligand/IonSULFATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:17 , GLN A:18 , LEU A:21 , ALA A:130BINDING SITE FOR RESIDUE ACT A1151
2AC2SOFTWAREGLN A:52 , VAL A:55 , THR A:56 , LYS A:59 , HOH A:2067 , HOH A:2150BINDING SITE FOR RESIDUE ACT A1152
3AC3SOFTWARESER A:58 , HIS A:62 , HOH A:2063 , HOH A:2151 , HOH A:2153 , HOH A:2154 , HOH A:2155BINDING SITE FOR RESIDUE SO4 A1153
4AC4SOFTWAREARG A:61 , LYS A:74 , HOH A:2154 , HOH A:2156 , HOH A:2157 , HOH A:2158BINDING SITE FOR RESIDUE SO4 A1154
5AC5SOFTWAREHOH A:2114 , HOH A:2141BINDING SITE FOR RESIDUE ACT A1155

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:11 -A:20
2A:76 -A:117

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2CJ5)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2CJ5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2CJ5)

(-) Exons   (0, 0)

(no "Exon" information available for 2CJ5)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:147
 aligned with O49908_TOBAC | O49908 from UniProtKB/TrEMBL  Length:166

    Alignment length:147
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       
         O49908_TOBAC    20 NNLVETTCKNTPNYQLCLKTLLSDKRSATGDITTLALIMVDAIKAKANQAAVTISKLRHSNPPAAWKGPLKNCAFSYKVILTASLPEAIEALTKGDPKFAEDGMVGSSGDAQECEEYFKGSKSPFSALNIAVHELSDVGRAIVRNLL 166
               SCOP domains d2cj5a_ A: automated matches                                                                                                                        SCOP domains
               CATH domains 2cj5A00 A:4-150 Invertase/pectin methylesterase inhibitor family protein                                                                            CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhh..hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2cj5 A   4 NNLVETTCKNTPNYQLCLKTLLSDKRSATGDITTLALIMVDAIKAKANQAAVTISKLRHSNPPAAWKGPLKNCAFSYKVILTASLPEAIEALTKGDPKFAEDGMVGSSGDAQECEEYFKGSKSPFSALNIAVHELSDVGRAIVRNLL 150
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143
   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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2CJ5)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (O49908_TOBAC | O49908)
molecular function
    GO:0004857    enzyme inhibitor activity    Binds to and stops, prevents or reduces the activity of an enzyme.
biological process
    GO:0043086    negative regulation of catalytic activity    Any process that stops or reduces the activity of an enzyme.

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  2cj5
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  O49908_TOBAC | O49908
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 Related Entries

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

UniProtKB/TrEMBL
        O49908_TOBAC | O49908: 1rj1 1rj4 2cj4 2cj6 2cj7 2cj8 2xqr

(-) Related Entries Specified in the PDB File

1rj1 CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROMTOBACCO
1rj4 STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCOIN COMPLEX WITH CD2+
2cj4 CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCO AT PH 4.6
2cj6 CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCO (PH 7.5)
2cj7 CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCO (PH 9.0)
2cj8 CRYSTAL STRUCTURE OF A CELL WALL INVERTASE INHIBITOR FROM TOBACCO (PH 9.5)