3PXM - JenaLib

Asymmetric Unit (Jmol Viewer)

Biological Unit 1 (Jmol Viewer)

Biological Unit 2 (Jmol Viewer)

Title :   REDUCED SWEETNESS OF A MONELLIN (MNEI) MUTANT RESULTS FROM INCREASED PROTEIN FLEXIBILITY AND DISRUPTION OF A DISTANT POLY-(L-PROLINE) II HELIX

Authors :   J. R. Hobbs, C. M. Templeton, S. O. Pour, E. W. Blanch, S. M. Munger, G. L. C

Date :   10 Dec 10 (Deposition) - 06 Apr 11 (Release) - 22 Jun 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.80

Chains :   Asym. Unit : A,B
Biol. Unit 1: A  (1x)
Biol. Unit 2: B  (1x)

Keywords :   A Poly-(L-Proline) Ii (Ppii) Helix, Sweet Protein, Plant Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   C. M. Templeton, S. Ostovar Pour, J. R. Hobbs, E. W. Blanch, S. D. Munger, G. L. Conn
Reduced Sweetness Of A Monellin (Mnei) Mutant Results From Increased Protein Flexibility And Disruption Of A Distant Poly-(L-Proline) Ii Helix.
Chem Senses V. 36 425 2011
PubMed-ID: 21343241 | Reference-DOI: 10.1093/CHEMSE/BJR007

Molecule 1 - MONELLIN CHAIN B/MONELLIN CHAIN A CHIMERIC PROTEIN
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET22B
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Mutation	:	YES
	Organism Common	:	SERENDIPITY BERRY
	Organism Scientific	:	DIOSCOREOPHYLLUM CUMMINSII
	Organism Taxid	:	3457
	Synonym	:	MONELLIN CHAIN II, MONELLIN CHAIN I

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

Summary Information (see also Sequences/Alignments below)

(no "Ligand,Modified Residues,Ions" information available for 3PXM)

(no "Site" information available for 3PXM)

(no "SS Bond" information available for 3PXM)

Asymmetric Unit

No.	Residues
1	Arg A:39	-	Pro A:40
2	Gly A:91	-	Pro A:92
3	Arg B:39	-	Pro B:40
4	Gly B:91	-	Pro B:92

(no "SAP(SNP)/Variant" information available for 3PXM)

(no "PROSITE Motif" information available for 3PXM)

(no "Exon" information available for 3PXM)

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
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Chain A from PDB  Type:PROTEIN  Length:96
 aligned with MONA_DIOCU | P02881 from UniProtKB/Swiss-Prot  Length:45

    Alignment length:96
                                                                               1                                            
                                     -         -         -         -         - |       9        19        29        39      
            MONA_DIOCU    - ---------------------------------------------------FREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 45
               SCOP domains d3pxma_ A: automated matches                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhhhhhh......eeeeeeeeeeeeee.......eeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3pxm A  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKAIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 96
                                    10        20        30        40        50        60        70        80        90

Chain A from PDB  Type:PROTEIN  Length:96
 aligned with MONB_DIOCU | P02882 from UniProtKB/Swiss-Prot  Length:50

    Alignment length:96
                                                                            50                                              
                                    10        20        30        40        50         -         -         -         -      
            MONB_DIOCU    1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYEEN----------------------------------------------  -
               SCOP domains d3pxma_ A: automated matches                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhhhhhh......eeeeeeeeeeeeee.......eeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3pxm A  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKAIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 96
                                    10        20        30        40        50        60        70        80        90

Chain B from PDB  Type:PROTEIN  Length:96
 aligned with MONA_DIOCU | P02881 from UniProtKB/Swiss-Prot  Length:45

    Alignment length:96
                                                                               1                                            
                                     -         -         -         -         - |       9        19        29        39      
            MONA_DIOCU    - ---------------------------------------------------FREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 45
               SCOP domains d3pxmb_ B: automated matches                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) Monellin-3pxmB03 B:1-40                 ------------Monellin-3pxmB01 B:53-95                   - Pfam domains (1)
           Pfam domains (2) Monellin-3pxmB04 B:1-40                 ------------Monellin-3pxmB02 B:53-95                   - Pfam domains (2)
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhhhh........eeeeeeeeeeeeee.......eeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3pxm B  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKAIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 96
                                    10        20        30        40        50        60        70        80        90

Chain B from PDB  Type:PROTEIN  Length:96
 aligned with MONB_DIOCU | P02882 from UniProtKB/Swiss-Prot  Length:50

    Alignment length:96
                                                                            50                                              
                                    10        20        30        40        50         -         -         -         -      
            MONB_DIOCU    1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKVIRPCMKKTIYEEN----------------------------------------------  -
               SCOP domains d3pxmb_ B: automated matches                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
           Pfam domains (1) Monellin-3pxmB03 B:1-40                 ------------Monellin-3pxmB01 B:53-95                   - Pfam domains (1)
           Pfam domains (2) Monellin-3pxmB04 B:1-40                 ------------Monellin-3pxmB02 B:53-95                   - Pfam domains (2)
         Sec.struct. author .eeeee..hhhhhhhhhhhhhhhhh........eeeeeeeeeeeeee.......eeeeeeeeeeee..eeeeeeeeee.....eeeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                  3pxm B  1 GEWEIIDIGPFTQNLGKFAVDEENKIGQYGRLTFNKAIRPCMKKTIYENEGFREIKGYEYQLYVYASDKLFRADISEDYKTRGRKLLRFNGPVPPP 96
                                    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 '\|'

Asymmetric Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

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

Fold: Cystatin-like (403)

Superfamily: Cystatin/monellin (68)

Family: Monellin (15)

Protein domain: automated matches (3)

Serendipity berry (Dioscoreophyllum cumminsii) [TaxId: 3457] (3)

1a	d3pxma_	A:
1b	d3pxmb_	B:

(no "CATH Domain" information available for 3PXM)

Asymmetric Unit

Clans(

)

Families(

)

Organisms( (-)

)

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

Family: Monellin (7)

Dioscoreophyllum cumminsii (Serendipity berry) (7)

1a	Monellin-3pxmB01	B:53-95
1b	Monellin-3pxmB02	B:53-95
1c	Monellin-3pxmB03	B:1-40
1d	Monellin-3pxmB04	B:1-40

Asymmetric Unit(hide GO term definitions)

(no "Gene Ontology" information available for 3PXM)

Asymmetric Unit
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	Ligands, Modified Residues, Ions
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	Cis Peptide Bonds
		Arg A:39 - Pro A:40	[ RasMol ]
		Arg B:39 - Pro B:40	[ RasMol ]
		Gly A:91 - Pro A:92	[ RasMol ]
		Gly B:91 - Pro B:92	[ RasMol ]

Biological Units
	Complete Structure
		Biological Unit 1	[ Jena3D ]
		Biological Unit 2	[ Jena3D ]

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	3pxm
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		Orientation in Membranes	:	OPM
		Protein Surface	:	SURFACE
		Secondary Structure	:	DSSP (structure derived) \| HSSP (homology derived)
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(no "Related Entries Specified in the PDB File" available for 3PXM)

Description

Compounds

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Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (0, 0)

Cis Peptide Bonds (4, 4)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

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