2AQO	Hydrolase	date	Aug 18, 2005
title	Crystal Structure Of E. Coli Isoaspartyl Dipeptidase Mutant
authors	R.Marti-Arbona, J.B.Thoden, H.M.Holden, F.M.Raushel
compound		source
Molecule: Isoaspartyl Dipeptidase Chain: A, B Ec: 3.4.19.- Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Iada Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Jdg1000(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet30
symmetry	Space Group: P 4 21 2	R_factor 0.179 R_Free 0.219
crystal cell	length a length b length c angle alpha angle beta angle gamma 119.200 119.200 138.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	KCX, ZN	enzyme	Hydrolase E.C.3.4.19 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Functional significance of Glu-77 and Tyr-137 within the active site of isoaspartyl dipeptidase., Marti-Arbona R, Thoden JB, Holden HM, Raushel FM, Bioorg Chem 2005 Dec;33(6):448-58. Epub 2005 Nov 11. PMID:16289685

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (124 Kb) [Save to disk] Biological Unit Coordinates (2aqo.pdb1.gz) 467 Kb LPC: Ligand-Protein Contacts for 2AQO CSU: Contacts of Structural Units for 2AQO Likely Quarternary Molecular Structure file(s) for 2AQO Structure Factors (648 Kb) Retrieve 2AQO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2AQO from S2C, [Save to disk] Re-refined 2aqo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2AQO 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 2AQO

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 2AQO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2aqo_B] [2aqo_A] [2aqo] SWISS-PROT database: [P39377] Domain organization of [IADA_ECOLI] by SWISSPFAM

Other resources with information on 2AQO

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

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