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(-) Description

Title :  SOLUTION STRUCTURE OF G16A-MNEI, A STRUCTURAL MUTANT OF SINGLE CHAIN MONELLIN MNEI
 
Authors :  R. Spadaccini, F. Trabucco, G. Saviano, D. Picone, O. Crescenzi, T. Tancredi, P. A. Temussi
Date :  29 Jul 02  (Deposition) - 10 Jun 03  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  5 Stranded Beta Sheet 1 Helix, Plant Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Spadaccini, F. Trabucco, G. Saviano, D. Picone, O. Crescenzi, T. Tancredi, P. A. Temussi
The Mechanism Of Interaction Of Sweet Proteins With The T1R2-T1R3 Receptor: Evidence From The Solution Structure Of G16A-Mnei
J. Mol. Biol. V. 328 683 2003
PubMed-ID: 12706725  |  Reference-DOI: 10.1016/S0022-2836(03)00346-2
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - MONELLIN CHAIN B AND MONELLIN CHAIN A
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET22B+
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Mutation: YES
    Organism Common: SERENDIPITY BERRY
    Organism Scientific: DIOSCOREOPHYLLUM CUMMINSII
    Organism Taxid: 3457
    Synonym: MNEI

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1M9G)

(-) Sites  (0, 0)

(no "Site" information available for 1M9G)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1M9G)

(-) Cis Peptide Bonds  (2, 40)

NMR Structure
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20Arg A:40 -Pro A:41
21, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20Gly A:92 -Pro A:93

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1M9G)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1M9G)

(-) Exons   (0, 0)

(no "Exon" information available for 1M9G)

(-) Sequences/Alignments

NMR Structure
   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:97
 aligned with MONA_DIOCU | P02881 from UniProtKB/Swiss-Prot  Length:45

    Alignment length:97
                                                                                1                                            
                                     -         -         -         -         -  |      8        18        28        38       
            MONA_DIOCU    - ----------------------------------------------------FREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 45
               SCOP domains d1m9ga_ A: Monellin, B & A chains together                                                        SCOP domains
               CATH domains 1m9gA00 A:1-97  [code=3.10.450.10, no name defined]                                               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee.....hhhhhhhhhhhhhhhhh........ee....eeeee..........eeeeeeeeee..eeeeeeee........eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
                  1m9g A  1 MGEWEIIDIGPFTQNLAKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 97
                                    10        20        30        40        50        60        70        80        90       


Chain A from PDB  Type:PROTEIN  Length:97
 aligned with MONB_DIOCU | P02882 from UniProtKB/Swiss-Prot  Length:50

    Alignment length:97
                             1                                               50                                              
                             |       9        19        29        39        49|        -         -         -         -       
            MONB_DIOCU    - -GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYEEN----------------------------------------------  -
               SCOP domains d1m9ga_ A: Monellin, B & A chains together                                                        SCOP domains
               CATH domains 1m9gA00 A:1-97  [code=3.10.450.10, no name defined]                                               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....ee.....hhhhhhhhhhhhhhhhh........ee....eeeee..........eeeeeeeeee..eeeeeeee........eeeeeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
                  1m9g A  1 MGEWEIIDIGPFTQNLAKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 97
                                    10        20        30        40        50        60        70        80        90
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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)

NMR Structure
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1M9G)

(-) Gene Ontology  (0, 0)

NMR Structure(hide GO term definitions)
    (no "Gene Ontology" information available for 1M9G)

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  Cis Peptide Bonds
    Arg A:40 - Pro A:41   [ RasMol ]  
    Gly A:92 - Pro A:93   [ RasMol ]  
 

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  1m9g
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 Related Entries

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

UniProtKB/Swiss-Prot
        MONA_DIOCU | P02881: 1fa3 1fuw 1iv7 1iv9 1krl 1mnl 2gpk 2o9u 3mon 3pxm 3pyj 3q2p 4mon 5lc6 5lc7
        MONB_DIOCU | P02882: 1fa3 1fuw 1iv7 1iv9 1krl 1mnl 1mol 2o9u 3mon 3pxm 3pyj 3q2p 4mon 5lc6 5lc7

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1M9G)