197L	Hydrolase (O-Glycosyl)	date	Nov 06, 1995
title	Thermodynamic And Structural Compensation In "Size-Switch" C Repacking Variants Of T4 Lysozyme
authors	E.Baldwin, J.Xu, O.Hajiseyedjavadi, B.W.Matthews
compound		source
Molecule: Lysozyme Chain: A Ec: 3.2.1.17 Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage T4 Organism_taxid: 10665 Variant: Cys-Free Wildtype T4 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: M13 Other_details: Mutant Gene Was Derived From Site-Directed Mutagenesis Of The Gene For Cys-Free Wildtype T4 Lysozyme I Using The Method Of Kunkel And The Vector System Described Reference 3 Below
symmetry	Space Group: P 32 2 1	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.200 61.200 95.000 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	BME, CL	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 1CU6, 1QT4
Gene Ontology	Chain Function Process Component A
Primary reference	Thermodynamic and structural compensation in "size-switch" core repacking variants of bacteriophage T4 lysozyme., Baldwin E, Xu J, Hajiseyedjavadi O, Baase WA, Matthews BW, J Mol Biol 1996 Jun 14;259(3):542-59. PMID:8676387

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk] Biological Unit Coordinates (197l.pdb1.gz) 29 Kb LPC: Ligand-Protein Contacts for 197L CSU: Contacts of Structural Units for 197L Likely Quarternary Molecular Structure file(s) for 197L Structure Factors (114 Kb) Retrieve 197L in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 197L from S2C, [Save to disk] Re-refined 197l structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 197L 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 197L

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 197L, from MSDmotif at EBI Genome occurence of 197L's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d197l__, 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: [197l_A] [197l] SWISS-PROT database: [P00720] Domain organization of [LYS_BPT4] by SWISSPFAM

Other resources with information on 197L

Community annotation for 197L at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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