1MR5	Hydrolase	date	Sep 18, 2002
title	Orthorhombic Form Of Trypanosoma Cruzi Trans-Sialidase
authors	A.Buschiazzo, M.F.Amaya, M.L.Cremona, A.C.Frasch, P.M.Alzari
compound		source
Molecule: Trans-Sialidase Chain: A Fragment: Enzymatic Globular Core Ec: 3.2.1.18 Engineered: Yes Mutation: Yes		Organism_scientific: Trypanosoma Cruzi Organism_taxid: 5693 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Dh5a-Ft Expression_system_vector_type: Plasmid Expression_system_plasmid: Ptrchisa
symmetry	Space Group: P 21 21 2	R_factor 0.218 R_Free 0.274
crystal cell	length a length b length c angle alpha angle beta angle gamma 87.029 88.021 89.564 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.25 Å
ligand		enzyme	Hydrolase E.C.3.2.1.18 BRENDA
related structures	by homologous chain: 1MS0, 1MS4
Gene Ontology	Chain Function Process Component A
Primary reference	The crystal structure and mode of action of trans-sialidase, a key enzyme in Trypanosoma cruzi pathogenesis., Buschiazzo A, Amaya MF, Cremona ML, Frasch AC, Alzari PM, Mol Cell 2002 Oct;10(4):757-68. PMID:12419220

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk] Biological Unit Coordinates (1mr5.pdb1.gz) 98 Kb CSU: Contacts of Structural Units for 1MR5 Likely Quarternary Molecular Structure file(s) for 1MR5 Retrieve 1MR5 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MR5 from S2C, [Save to disk]

View 1MR5 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 1MR5

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MR5, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mr5a2, region A:4-399 [Jmol] [rasmolscript] [script source]     - Domain d1mr5a1, region A:409-633 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mr5_A] [1mr5] SWISS-PROT database: [Q26966] Domain organization of [Q26966_TRYCR] by SWISSPFAM

Other resources with information on 1MR5

Community annotation for 1MR5 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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