1M40	Hydrolase	date	Jul 01, 2002
title	Ultra High Resolution Crystal Structure Of Tem-1
authors	G.Minasov, X.Wang, B.K.Shoichet
compound		source
Molecule: Beta-Lactamase Tem Chain: A Synonym: Tem-1 Ec: 3.5.2.6 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Bla Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sf120 Expression_system_vector_type: Plasmid Expression_system_plasmid: Palter Ex II - Tem-1
symmetry	Space Group: P 21 21 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.313 61.641 89.252 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	0.85 Å
ligand	CB4, K, PO4	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
note	1M40 is a representative structure and supersedes 1L7U
related structures	by homologous chain: 1N9B
Gene Ontology	Chain Function Process Component A
Primary reference	An ultrahigh resolution structure of TEM-1 beta-lactamase suggests a role for Glu166 as the general base in acylation., Minasov G, Wang X, Shoichet BK, J Am Chem Soc. 2002 May 15;124(19):5333-40. PMID:11996574

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (212 Kb) [Save to disk] Biological Unit Coordinates (1m40.pdb1.gz) 201 Kb LPC: Ligand-Protein Contacts for 1M40 CSU: Contacts of Structural Units for 1M40 Likely Quarternary Molecular Structure file(s) for 1M40 Structure Factors (1831 Kb) Retrieve 1M40 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1M40 from S2C, [Save to disk] Re-refined 1m40 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1M40 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 1M40

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1M40 from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1M40, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1m40a_, region A [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: [1m40_A] [1m40] SWISS-PROT database: [P62593] Domain organization of [BLAT_ECOLX] by SWISSPFAM

Other resources with information on 1M40

Community annotation for 1M40 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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