1Z7Y	Transferase	date	Mar 28, 2005
title	Crystal Structure Of The Arabidopsis Thaliana O-Acetylserine Sulfhydrylase K46a Mutant
authors	E.R.Bonner, R.E.Cahoon, S.M.Knapke, J.M.Jez
compound		source
Molecule: Cysteine Synthase Chain: A Synonym: O-Acetylserine Sulfhydrylase, O-Acetylserine (Thio Csase A, Cs-A, Oas-Tl A, Cys-3a, At.Oas.5-8; Ec: 2.5.1.47 Engineered: Yes Mutation: Yes		Organism_scientific: Arabidopsis Thaliana Organism_common: Thale Cress Organism_taxid: 3702 Gene: Oasa1, Oas1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a-Atoassa-K46a
symmetry	Space Group: P 43 21 2	R_factor 0.251 R_Free 0.277
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.856 105.856 100.159 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	AA5	enzyme	Transferase E.C.2.5.1.47 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Molecular Basis of Cysteine Biosynthesis in Plants: STRUCTURAL AND FUNCTIONAL ANALYSIS OF O-ACETYLSERINE SULFHYDRYLASE FROM ARABIDOPSIS THALIANA., Bonner ER, Cahoon RE, Knapke SM, Jez JM, J Biol Chem 2005 Nov 18;280(46):38803-13. Epub 2005 Sep 15. PMID:16166087

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (1z7y.pdb1.gz) 50 Kb Biological Unit Coordinates (1z7y.pdb2.gz) 98 Kb LPC: Ligand-Protein Contacts for 1Z7Y CSU: Contacts of Structural Units for 1Z7Y Likely Quarternary Molecular Structure file(s) for 1Z7Y Structure Factors (141 Kb) Retrieve 1Z7Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Z7Y from S2C, [Save to disk] Re-refined 1z7y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Z7Y 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 1Z7Y

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 1Z7Y, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1z7y] [1z7y_A] SWISS-PROT database: [P47998] Domain organization of [CYSK1_ARATH] by SWISSPFAM

Other resources with information on 1Z7Y

Community annotation for 1Z7Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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