148L	Hydrolase Hydrolase Substrate	date	Oct 27, 1993
title	A Covalent Enzyme-Substrate Intermediate With Saccharide Dis A Mutant T4 Lysozyme
authors	R.Kuroki, L.H.Weaver, B.W.Matthews
compound		source
Molecule: T4 Lysozyme Chain: E Ec: 3.2.1.17 Engineered: Yes		Organism_scientific: Enterobacteria Phage T4 Organism_taxid: 10665 Expression_system_vector_type: Plasmid Expression_system_plasmid: M13
Molecule: Substrate Cleaved From Cell Wall Of Escherichia C Chain: S		Organism_scientific: Escherichia Coli Organism_taxid: 562 Tissue: Cell Wall
symmetry	Space Group: P 21 21 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.900 67.300 49.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	API, BME, DAL, FGA, MUB, NAG	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
note	148L (Molecule of the Month:pdb9)
related structures	by homologous chain: 1QT8, 223L
Gene Ontology	Chain Function Process Component E
Primary reference	A covalent enzyme-substrate intermediate with saccharide distortion in a mutant T4 lysozyme., Kuroki R, Weaver LH, Matthews BW, Science 1993 Dec 24;262(5142):2030-3. PMID:8266098

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (148l.pdb1.gz) 31 Kb LPC: Ligand-Protein Contacts for 148L CSU: Contacts of Structural Units for 148L Likely Quarternary Molecular Structure file(s) for 148L Structure Factors (100 Kb) Retrieve 148L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 148L from S2C, [Save to disk] Re-refined 148l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 148L 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 148L

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 148L, from MSDmotif at EBI Genome occurence of 148L's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d148le_, region E [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: [148l] [148l_S] [148l_E] SWISS-PROT database: [P00720] Domain organization of [LYS_BPT4] by SWISSPFAM

Other resources with information on 148L

Community annotation for 148L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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