1T4M	Hydrolase	date	Apr 30, 2004
title	Structure Of A Thermostable Double Mutant Of Bacillus Subtil Obtained Through Directed Evolution
authors	E.Rajakumara, R.Sankaranarayanan
compound		source
Molecule: Lipase A Chain: A Synonym: Triacylglycerol Lipase Ec: 3.1.1.3 Engineered: Yes Mutation: Yes		Organism_scientific: Bacillus Subtilis Organism_taxid: 1423 Gene: Lip A Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-21b
symmetry	Space Group: H 3	R_factor 0.206 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.015 76.015 103.093 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	K	enzyme	Hydrolase E.C.3.1.1.3 BRENDA
related structures	by homologous chain: 1T2N
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis of selection and thermostability of laboratory evolved Bacillus subtilis lipase., Acharya P, Rajakumara E, Sankaranarayanan R, Rao NM, J Mol Biol 2004 Aug 27;341(5):1271-81. PMID:15321721

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1t4m.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 1T4M CSU: Contacts of Structural Units for 1T4M Likely Quarternary Molecular Structure file(s) for 1T4M Structure Factors (119 Kb) Retrieve 1T4M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T4M from S2C, [Save to disk] Re-refined 1t4m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1T4M 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 1T4M

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 1T4M, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1t4ma_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1t4m_A] [1t4m] SWISS-PROT database: [P37957] Domain organization of [ESTA_BACSU] by SWISSPFAM

Other resources with information on 1T4M

Community annotation for 1T4M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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