3Q2P	Plant Protein	date	Dec 20, 2010
title	Reduced Sweetness Of A Monellin (Mnei) Mutant Results From I Protein Flexibility And Disruption Of A Distant Poly-(L-Pro Helix
authors	C.M.Templeton, J.R.Hobbs, S.D.Munger, G.L.Conn
compound		source
Molecule: Monellin Chain Bmonellin Chain A Chimeric Protei Chain: A, B, C, D Synonym: Monellin Chain II, Monellin Chain I Engineered: Yes Mutation: Yes		Organism_scientific: Dioscoreophyllum Cumminsii Organism_common: Serendipity Berry Organism_taxid: 3457 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 31.400 144.100 45.800 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.34 Å
ligand	NA	enzyme
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Reduced Sweetness of a Monellin (MNEI) Mutant Results from Increased Protein Flexibility and Disruption of a Distant Poly-(L-Proline) II Helix., Templeton CM, Ostovar Pour S, Hobbs JR, Blanch EW, Munger SD, Conn GL, Chem Senses. 2011 Feb 22. PMID:21343241

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (3q2p.pdb1.gz) 18 Kb Biological Unit Coordinates (3q2p.pdb2.gz) 18 Kb Biological Unit Coordinates (3q2p.pdb3.gz) 18 Kb Biological Unit Coordinates (3q2p.pdb4.gz) 18 Kb LPC: Ligand-Protein Contacts for 3Q2P CSU: Contacts of Structural Units for 3Q2P Structure Factors (127 Kb) Retrieve 3Q2P in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3Q2P from S2C, [Save to disk] Re-refined 3q2p structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3Q2P in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3Q2P

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3Q2P, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3q2p_D] [3q2p_C] [3q2p_A] [3q2p_B] [3q2p] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3Q2P

Community annotation for 3Q2P at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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