1CGK	Transferase	date	Mar 25, 1999
title	Chalcone Synthase From Alfalfa Complexed With Naringenin
authors	J.L.Ferrer, J.Jez, M.E.Bowman, R.Dixon, J.P.Noel
compound		source
Molecule: Protein (Chalcone Synthase) Chain: A Synonym: Chs Ec: 2.3.1.74 Engineered: Yes Other_details: Complexed With Naringenin		Organism_scientific: Medicago Sativa Organism_taxid: 3879 Tissue: 21 Day Old Root Nodule Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pet28b
symmetry	Space Group: P 32 2 1	R_factor 0.161 R_Free 0.225
crystal cell	length a length b length c angle alpha angle beta angle gamma 97.917 97.917 65.186 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.84 Å
ligand	NAR	enzyme	Transferase E.C.2.3.1.74 BRENDA
related structures	by homologous chain: 1CGZ, 1I89
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of chalcone synthase and the molecular basis of plant polyketide biosynthesis., Ferrer JL, Jez JM, Bowman ME, Dixon RA, Noel JP, Nat Struct Biol 1999 Aug;6(8):775-84. PMID:10426957

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (74 Kb) [Save to disk] Biological Unit Coordinates (1cgk.pdb1.gz) 136 Kb LPC: Ligand-Protein Contacts for 1CGK CSU: Contacts of Structural Units for 1CGK Likely Quarternary Molecular Structure file(s) for 1CGK Structure Factors (202 Kb) Retrieve 1CGK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CGK from S2C, [Save to disk] Re-refined 1cgk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CGK 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 1CGK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CGK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cgka2, region A:236-389 [Jmol] [rasmolscript] [script source]     - Domain d1cgka1, region A:3-235 [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: [1cgk_A] [1cgk] SWISS-PROT database: [P30074] Domain organization of [CHS2_MEDSA] by SWISSPFAM

Other resources with information on 1CGK

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

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