1SML	Hydrolase	date	Sep 22, 1998
title	Metallo Beta Lactamase L1 From Stenotrophomonas Maltophilia
authors	J.H.Ullah, T.R.Walsh, I.A.Taylor, D.C.Emery, C.S.Verma, S.J.Gambl J.Spencer
compound		source
Molecule: Protein (Penicillinase) Chain: A Ec: 3.5.2.6 Engineered: Yes		Organism_scientific: Stenotrophomonas Maltophilia Organism_taxid: 40324 Strain: Iid 1275 Cellular_location: Periplasm Gene: L1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Plyss Expression_system_vector_type: Plasmid Pet26 Expression_system_plasmid: Pub 5832 Other_details: L1 Gene From S. Maltophilia Over Expressed I
symmetry	Space Group: P 64 2 2	R_factor 0.180 R_Free 0.233
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.230 105.230 97.720 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	ZN	enzyme	Hydrolase E.C.3.5.2.6 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structure of the L1 metallo-beta-lactamase from Stenotrophomonas maltophilia at 1.7 A resolution., Ullah JH, Walsh TR, Taylor IA, Emery DC, Verma CS, Gamblin SJ, Spencer J, J Mol Biol 1998 Nov 20;284(1):125-36. PMID:9811546

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (1sml.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 1SML CSU: Contacts of Structural Units for 1SML Likely Quarternary Molecular Structure file(s) for 1SML Structure Factors (310 Kb) Retrieve 1SML in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SML from S2C, [Save to disk] Re-refined 1sml structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SML 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 1SML

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 1SML, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1smla_, 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: [1sml] [1sml_A] SWISS-PROT database: [P52700] Domain organization of [BLA1_STEMA] by SWISSPFAM Domain found in 1SML: [Lactamase_B ] by SMART

Other resources with information on 1SML

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

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