2BTM	Isomerase	date	Jan 04, 1999
title	Does The His12-Lys13 Pair Play A Role In The Adaptation Of Thermophilic Tims To High Temperatures?
authors	L.F.Delboni, S.C.Mande, W.G.J.Hol
compound		source
Molecule: Protein (Triosephosphate Isomerase) Chain: A, B Synonym: Tim Ec: 5.3.1.1 Engineered: Yes Mutation: Yes		Organism_scientific: Geobacillus Stearothermophilus Organism_taxid: 1422 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor 0.176 R_Free 0.220
crystal cell	length a length b length c angle alpha angle beta angle gamma 78.132 107.913 70.980 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	PGA	enzyme	Isomerase E.C.5.3.1.1 BRENDA
related structures	by homologous chain: 1BTM
Gene Ontology	Chain Function Process Component A, B
Primary reference	Lys13 plays a crucial role in the functional adaptation of the thermophilic triose-phosphate isomerase from Bacillus stearothermophilus to high temperatures., Alvarez M, Wouters J, Maes D, Mainfroid V, Rentier-Delrue F, Wyns L, Depiereux E, Martial JA, J Biol Chem 1999 Jul 2;274(27):19181-7. PMID:10383424

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (2btm.pdb1.gz) 76 Kb LPC: Ligand-Protein Contacts for 2BTM CSU: Contacts of Structural Units for 2BTM Likely Quarternary Molecular Structure file(s) for 2BTM Structure Factors (182 Kb) Retrieve 2BTM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BTM from S2C, [Save to disk] Re-refined 2btm structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BTM 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 2BTM

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 2BTM, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2btma_, region A [Jmol] [rasmolscript] [script source]     - Domain d2btmb_, 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: [2btm] [2btm_A] [2btm_B] SWISS-PROT database: [P00943] Domain organization of [TPIS_BACST] by SWISSPFAM

Other resources with information on 2BTM

Community annotation for 2BTM at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

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