1FM8	Isomerase	date	Aug 16, 2000
title	Chalcone Isomerase Complexed With 5,4'-Dideoxyflavanone
authors	J.M.Jez, J.P.Noel
compound		source
Molecule: Chalcone-Flavonone Isomerase 1 Chain: A, B Synonym: Chalcone Isomerase 1 Ec: 5.5.1.6 Engineered: Yes		Organism_scientific: Medicago Sativa Organism_taxid: 3879 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-28a(+)
symmetry	Space Group: P 65 2 2	R_factor 0.238 R_Free 0.266
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.848 89.848 352.956 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	DDC, SO4	enzyme	Isomerase E.C.5.5.1.6 BRENDA
related structures	by homologous chain: 1EYP, 1JX1
Gene Ontology	Chain Function Process Component A, B
Primary reference	Reaction mechanism of chalcone isomerase. pH dependence, diffusion control, and product binding differences., Jez JM, Noel JP, J Biol Chem 2002 Jan 11;277(2):1361-9. PMID:11698411

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (1fm8.pdb1.gz) 35 Kb Biological Unit Coordinates (1fm8.pdb2.gz) 35 Kb Biological Unit Coordinates (1fm8.pdb3.gz) 68 Kb LPC: Ligand-Protein Contacts for 1FM8 CSU: Contacts of Structural Units for 1FM8 Likely Quarternary Molecular Structure file(s) for 1FM8 Structure Factors (386 Kb) Retrieve 1FM8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1FM8 from S2C, [Save to disk] Re-refined 1fm8 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1FM8 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 1FM8

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 1FM8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1fm8a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1fm8b_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1fm8_A] [1fm8] [1fm8_B] SWISS-PROT database: [P28012] Domain organization of [CFI1_MEDSA] by SWISSPFAM

Other resources with information on 1FM8

Community annotation for 1FM8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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