1TCM	Glycosyltransferase	date	Oct 07, 1996
title	Cyclodextrin Glycosyltransferase W616a Mutant From Bacillus Strain 251
authors	R.M.A.Knegtel, B.W.Dijkstra
compound		source
Molecule: Cyclodextrin Glycosyltransferase Chain: A, B Synonym: Cgtase Ec: 2.4.1.19 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Circulans Organism_taxid: 1397 Strain: 251 Expression_system: Bacillus Circulans Expression_system_taxid: 1397 Expression_system_strain: Db104a Expression_system_plasmid: Pdp66s
symmetry	Space Group: P 1 21 1	R_factor 0.193 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.700 84.800 118.300 90.00 107.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	CA	enzyme	Transferase E.C.2.4.1.19 BRENDA
related structures	by homologous chain: 1CIU, 1CXI
Gene Ontology	Chain Function Process Component A, B
Primary reference	The raw starch binding domain of cyclodextrin glycosyltransferase from Bacillus circulans strain 251., Penninga D, van der Veen BA, Knegtel RM, van Hijum SA, Rozeboom HJ, Kalk KH, Dijkstra BW, Dijkhuizen L, J Biol Chem 1996 Dec 20;271(51):32777-84. PMID:8955113

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (222 Kb) [Save to disk] Biological Unit Coordinates (1tcm.pdb1.gz) 108 Kb Biological Unit Coordinates (1tcm.pdb2.gz) 109 Kb LPC: Ligand-Protein Contacts for 1TCM CSU: Contacts of Structural Units for 1TCM Likely Quarternary Molecular Structure file(s) for 1TCM Structure Factors (909 Kb) Retrieve 1TCM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TCM from S2C, [Save to disk] Re-refined 1tcm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1TCM 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 1TCM

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TCM, from MSDmotif at EBI Genome occurence of 1TCM's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tcma4, region A:1-406 [Jmol] [rasmolscript] [script source]     - Domain d1tcma3, region A:407-495 [Jmol] [rasmolscript] [script source]     - Domain d1tcma1, region A:496-581 [Jmol] [rasmolscript] [script source]     - Domain d1tcma2, region A:582-686 [Jmol] [rasmolscript] [script source]     - Domain d1tcmb4, region B:1-406 [Jmol] [rasmolscript] [script source]     - Domain d1tcmb3, region B:407-495 [Jmol] [rasmolscript] [script source]     - Domain d1tcmb1, region B:496-581 [Jmol] [rasmolscript] [script source]     - Domain d1tcmb2, region B: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: [1tcm_A] [1tcm_B] [1tcm] SWISS-PROT database: [P43379] Domain organization of [CDGT2_BACCI] by SWISSPFAM Domains found in 1TCM: [Aamy] [Aamy_C] [CBM_2 ] by SMART

Other resources with information on 1TCM

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

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