1Y6R	Hydrolase	date	Dec 06, 2004
title	Crystal Structure Of Mtaadohcy Nucleosidase Complexed With
authors	J.E.Lee, V.Singh, G.B.Evans, P.C.Tyler, R.H.Furneaux, K.A.Cornell M.K.Riscoe, V.L.Schramm, P.L.Howell
compound		source
Molecule: Mtasah Nucleosidase Chain: A, B Synonym: P46, 5'-Methylthioadenosine Nucleosidase, S- Adenosylhomocysteine Nucleosidase; Ec: 3.2.2.16, 3.2.2.9 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Mtnn, Mtn, Pfs Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pproex Hta
symmetry	Space Group: P 21 21 21	R_factor 0.193 R_Free 0.244
crystal cell	length a length b length c angle alpha angle beta angle gamma 51.570 69.600 127.570 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	MTM	enzyme	Hydrolase E.C.3.2.2.16 BRENDA
related structures	by homologous chain: 1NC1, 1Y6Q
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural Rationale for the Affinity of Pico- and Femtomolar Transition State Analogues of Escherichia coli 5'-Methylthioadenosine/S-Adenosylhomocysteine Nucleosidase., Lee JE, Singh V, Evans GB, Tyler PC, Furneaux RH, Cornell KA, Riscoe MK, Schramm VL, Howell PL, J Biol Chem 2005 May 6;280(18):18274-82. Epub 2005 Mar 3. PMID:15746096

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk] Biological Unit Coordinates (1y6r.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 1Y6R CSU: Contacts of Structural Units for 1Y6R Likely Quarternary Molecular Structure file(s) for 1Y6R Structure Factors (223 Kb) Retrieve 1Y6R in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Y6R from S2C, [Save to disk] Re-refined 1y6r structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Y6R 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 1Y6R

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 1Y6R, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1y6r_A] [1y6r_B] [1y6r] SWISS-PROT database: [P0AF12] Domain organization of [MTNN_ECOLI] by SWISSPFAM

Other resources with information on 1Y6R

Community annotation for 1Y6R at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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