226L	Hydrolase	date	Jun 25, 1997
title	Generating Ligand Binding Sites In T4 Lysozyme Using Deficie Creating Substitutions
authors	E.P.Baldwin, W.A.Baase, X.J.Zhang, V.Feher, B.W.Matthews
compound		source
Molecule: T4 Lysozyme Chain: A Ec: 3.2.1.17 Engineered: Yes Mutation: Yes Other_details: Unliganded		Organism_scientific: Enterobacteria Phage T4 Organism_taxid: 10665 Cellular_location: Cytoplasm Gene: Gene E Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Rr1 Expression_system_plasmid: Phs1403 Expression_system_gene: T4 Lysozyme
symmetry	Space Group: P 32 2 1	R_factor 0.175 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.200 61.200 96.000 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	BME, CL	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 183L, 1L31
Gene Ontology	Chain Function Process Component A
Primary reference	Generation of ligand binding sites in T4 lysozyme by deficiency-creating substitutions., Baldwin E, Baase WA, Zhang X, Feher V, Matthews BW, J Mol Biol 1998 Mar 27;277(2):467-85. PMID:9514755

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk] Biological Unit Coordinates (226l.pdb1.gz) 29 Kb LPC: Ligand-Protein Contacts for 226L CSU: Contacts of Structural Units for 226L Likely Quarternary Molecular Structure file(s) for 226L Structure Factors (73 Kb) Retrieve 226L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 226L from S2C, [Save to disk] Re-refined 226l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 226L 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 226L

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 226L, from MSDmotif at EBI Genome occurence of 226L's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d226l__, region [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: [226l_A] [226l] SWISS-PROT database: [P00720] Domain organization of [LYS_BPT4] by SWISSPFAM

Other resources with information on 226L

Community annotation for 226L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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