1QUO	Hydrolase	date	Jul 01, 1999
title	L99ae108v Mutant Of T4 Lysozyme
authors	J.Wray, W.A.Baase, J.D.Lindstrom, A.R.Poteete, B.W.Matthews
compound		source
Molecule: Protein (Lysozyme) Chain: A Ec: 3.2.1.17 Engineered: Yes Mutation: Yes		Organism_scientific: Enterobacteria Phage T4 Organism_taxid: 10665 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: M13 Phs1403
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 60.970 60.970 97.230 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CL, HED	enzyme	Hydrolase E.C.3.2.1.17 BRENDA
related structures	by homologous chain: 1C6E, 1L89
Gene Ontology	Chain Function Process Component A
Primary reference	Structural analysis of a non-contiguous second-site revertant in T4 lysozyme shows that increasing the rigidity of a protein can enhance its stability., Wray JW, Baase WA, Lindstrom JD, Weaver LH, Poteete AR, Matthews BW, J Mol Biol 1999 Oct 8;292(5):1111-20. PMID:10512706

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk] Biological Unit Coordinates (1quo.pdb1.gz) 29 Kb LPC: Ligand-Protein Contacts for 1QUO CSU: Contacts of Structural Units for 1QUO Likely Quarternary Molecular Structure file(s) for 1QUO Structure Factors (122 Kb) Retrieve 1QUO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QUO from S2C, [Save to disk] Re-refined 1quo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QUO 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 1QUO

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 1QUO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1quoa_, 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: [1quo] [1quo_A] SWISS-PROT database: [P00720] Domain organization of [LYS_BPT4] by SWISSPFAM

Other resources with information on 1QUO

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

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