1YSD	Hydrolase	date	Feb 08, 2005
title	Yeast Cytosine Deaminase Double Mutant
authors	A.Korkegian, M.E.Black, D.Baker, B.L.Stoddard
compound		source
Molecule: Cytosine Deaminase Chain: A, B Synonym: Cytosine Aminohydrolase Ec: 3.5.4.1 Engineered: Yes Mutation: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Fcy1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21-Ril Expression_system_vector_type: Plasmid
symmetry	Space Group: P 1 21 1	R_factor 0.163 R_Free 0.200
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.350 54.770 68.400 90.00 105.68 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	CA, ZN	enzyme	Hydrolase E.C.3.5.4.1 BRENDA
related structures	by homologous chain: 1RB7, 1YSB
Gene Ontology	Chain Function Process Component A, B
Primary reference	Computational thermostabilization of an enzyme., Korkegian A, Black ME, Baker D, Stoddard BL, Science 2005 May 6;308(5723):857-60. PMID:15879217

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (1ysd.pdb1.gz) 55 Kb LPC: Ligand-Protein Contacts for 1YSD CSU: Contacts of Structural Units for 1YSD Likely Quarternary Molecular Structure file(s) for 1YSD Structure Factors (357 Kb) Retrieve 1YSD in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YSD from S2C, [Save to disk] Re-refined 1ysd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YSD 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 1YSD

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 1YSD, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ysd] [1ysd_A] [1ysd_B] SWISS-PROT database: [Q12178] Domain organization of [FCY1_YEAST] by SWISSPFAM

Other resources with information on 1YSD

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

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