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(-) Description

Title :  TWO CRYSTAL STRUCTURES OF A POTENTLY SWEET PROTEIN: NATURAL MONELLIN AT 2.75 ANGSTROMS RESOLUTION AND SINGLE-CHAIN MONELLIN AT 1.7 ANGSTROMS RESOLUTION
 
Authors :  J. R. Somoza, S. -H. Kim
Date :  27 Apr 93  (Deposition) - 31 May 94  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Sweet-Tasting Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. R. Somoza, F. Jiang, L. Tong, C. H. Kang, J. M. Cho, S. H. Kim
Two Crystal Structures Of A Potently Sweet Protein. Natural Monellin At 2. 75 A Resolution And Single-Chain Monellin At 1. 7 A Resolution.
J. Mol. Biol. V. 234 390 1993
PubMed-ID: 8230222  |  Reference-DOI: 10.1006/JMBI.1993.1594
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - MONELLIN
    Chains: A, B
    Engineered: YES
    Organism Common: SERENDIPITY BERRY
    Organism Scientific: DIOSCOREOPHYLLUM CUMMINSII
    Organism Taxid: 3457

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1MOL)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Arg A:39 -Pro A:40
2Gly A:89 -Pro A:90
3Arg B:39 -Pro B:40
4Gly B:89 -Pro B:90

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric 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:94
 aligned with MONB_DIOCU | P02882 from UniProtKB/Swiss-Prot  Length:50

    Alignment length:94
                                                                            50                                            
                                    10        20        30        40        50         -         -         -         -    
            MONB_DIOCU    1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYEEN--------------------------------------------  -
               SCOP domains d1mola_ A: Monellin, B & A chains together                                                     SCOP domains
               CATH domains 1molA00 A:1-94  [code=3.10.450.10, no name defined]                                            CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee...hhhhhhhhhhhhhhhhh.......eeeeeeeeeeeeeee...eeeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------- Transcript
                  1mol A  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYENEREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 94
                                    10        20        30        40        50        60        70        80        90    


Chain B from PDB  Type:PROTEIN  Length:94
 aligned with MONB_DIOCU | P02882 from UniProtKB/Swiss-Prot  Length:50

    Alignment length:94
                                                                            50                                            
                                    10        20        30        40        50         -         -         -         -    
            MONB_DIOCU    1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYEEN--------------------------------------------  -
               SCOP domains d1molb_ B: Monellin, B & A chains together                                                     SCOP domains
               CATH domains 1molB00 B:1-94  [code=3.10.450.10, no name defined]                                            CATH domains
           Pfam domains (1) Monellin-1molB01 B:1-40                 ------------------------------------------------------ Pfam domains (1)
           Pfam domains (2) Monellin-1molB02 B:1-40                 ------------------------------------------------------ Pfam domains (2)
         Sec.struct. author .eeeee...hhhhhhhhhhhhhhhhh.......eeeeeeeeeeeeeee...eeeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------- Transcript
                  1mol B  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYENEREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 94
                                    10        20        30        40        50        60        70        80        90
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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 Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: no clan defined [family: Monellin] (7)

(-) Gene Ontology  (0, 0)

Asymmetric Unit(hide GO term definitions)
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  Cis Peptide Bonds
    Arg A:39 - Pro A:40   [ RasMol ]  
    Arg B:39 - Pro B:40   [ RasMol ]  
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    Gly B:89 - Pro B:90   [ RasMol ]  
 
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 Related Entries

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

UniProtKB/Swiss-Prot
        MONB_DIOCU | P02882: 1fa3 1fuw 1iv7 1iv9 1krl 1m9g 1mnl 2o9u 3mon 3pxm 3pyj 3q2p 4mon 5lc6 5lc7

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