2A8Y	Transferase	date	Jul 10, 2005
title	Crystal Structure Of 5'-Deoxy-5'Methylthioadenosine Phosphor Complexed With 5'-Deoxy-5'Methylthioadenosine And Sulfate
authors	Y.Zhang, M.Porcelli, G.Cacciapuoti, S.E.Ealick
compound		source
Molecule: 5'-Methylthioadenosine Phosphorylase (Mtap) Chain: A, B, C, D, E, F, G, H, I, J, K, L Ec: 2.4.2.28 Engineered: Yes		Organism_scientific: Sulfolobus Solfataricus Organism_taxid: 2287 Gene: Ssmtapii Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-22b(+)
symmetry	Space Group: P 1	R_factor 0.182 R_Free 0.202
crystal cell	length a length b length c angle alpha angle beta angle gamma 96.597 96.556 96.628 91.57 91.23 91.52
method	X-Ray Diffraction	resolution	1.45 Å
ligand	MTA, SO4	enzyme	Transferase E.C.2.4.2.28 BRENDA
Gene Ontology	Chain Function Process Component F, A, J, K, E, B, H, C, D, I, G, L
Primary reference	The crystal structure of 5'-deoxy-5'-methylthioadenosine phosphorylase II from Sulfolobus solfataricus, a thermophilic enzyme stabilized by intramolecular disulfide bonds., Zhang Y, Porcelli M, Cacciapuoti G, Ealick SE, J Mol Biol. 2006 Mar 17;357(1):252-62. Epub 2005 Dec 27. PMID:16414070

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (585 Kb) [Save to disk] Biological Unit Coordinates (2a8y.pdb1.gz) 291 Kb Biological Unit Coordinates (2a8y.pdb2.gz) 293 Kb LPC: Ligand-Protein Contacts for 2A8Y CSU: Contacts of Structural Units for 2A8Y Likely Quarternary Molecular Structure file(s) for 2A8Y Structure Factors (4930 Kb) Retrieve 2A8Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2A8Y from S2C, [Save to disk] Re-refined 2a8y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2A8Y in 3D

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Visual 3D analysis of 2A8Y

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 2A8Y, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2a8y_C] [2a8y_G] [2a8y_L] [2a8y_K] [2a8y_J] [2a8y_A] [2a8y_H] [2a8y_I] [2a8y_B] [2a8y_E] [2a8y_D] [2a8y_F] [2a8y] SWISS-PROT database: [Q97W94] Domain organization of [Q97W94_SULSO] by SWISSPFAM

Other resources with information on 2A8Y

Community annotation for 2A8Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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