1CXF	Glycosyltransferase	date	Jul 28, 1995
title	Complex Of A (D229ne257q) Double Mutant Cgtase From Bacillu Circulans Strain 251 With Maltotetraose At 120 K And Ph 9.1 After Soaking The Crystal With Alpha-Cyclodextrin
authors	R.M.A.Knegtel, B.V.Strokopytov, B.W.Dijkstra
compound		source
Molecule: Cyclodextrin Glycosyltransferase Chain: A Synonym: Cgtase Ec: 2.4.1.19 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Circulans Organism_taxid: 1397 Strain: 251 Expression_system: Bacillus Circulans Strain Db104a Expression_system_plasmid: Pdp66k-
symmetry	Space Group: P 21 21 21	R_factor R_Free 0.200
crystal cell	length a length b length c angle alpha angle beta angle gamma 116.840 110.000 67.420 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	CA, GLC	enzyme	Transferase E.C.2.4.1.19 BRENDA
related structures	by homologous chain: 4CGT, 6CGT
Gene Ontology	Chain Function Process Component A
Primary reference	Crystallographic studies of the interaction of cyclodextrin glycosyltransferase from Bacillus circulans strain 251 with natural substrates and products., Knegtel RM, Strokopytov B, Penninga D, Faber OG, Rozeboom HJ, Kalk KH, Dijkhuizen L, Dijkstra BW, J Biol Chem 1995 Dec 8;270(49):29256-64. PMID:7493956

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk] Biological Unit Coordinates (1cxf.pdb1.gz) 115 Kb LPC: Ligand-Protein Contacts for 1CXF CSU: Contacts of Structural Units for 1CXF Likely Quarternary Molecular Structure file(s) for 1CXF Structure Factors (66 Kb) Retrieve 1CXF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CXF from S2C, [Save to disk] Re-refined 1cxf structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CXF 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 1CXF

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 1CXF, from MSDmotif at EBI Genome occurence of 1CXF's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cxf_4, region 1-406 [Jmol] [rasmolscript] [script source]     - Domain d1cxf_3, region 407-495 [Jmol] [rasmolscript] [script source]     - Domain d1cxf_1, region 496-581 [Jmol] [rasmolscript] [script source]     - Domain d1cxf_2, region 582-686 [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: [1cxf] [1cxf_A] SWISS-PROT database: [P43379] Domain organization of [CDGT2_BACCI] by SWISSPFAM Domains found in 1CXF: [Aamy] [Aamy_C] [CBM_2 ] by SMART

Other resources with information on 1CXF

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

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