1RCQ	Isomerase	date	Nov 04, 2003
title	The 1.45 A Crystal Structure Of Alanine Racemase From A Path Bacterium, Pseudomonas Aeruginosa, Contains Both Internal A External Aldimine Forms
authors	P.Le Magueres, H.Im, A.Dvorak, U.Strych, M.Benedik, K.L.Krause
compound		source
Molecule: Catabolic Alanine Racemase Dadx Chain: A Ec: 5.1.1.1 Engineered: Yes		Organism_scientific: Pseudomonas Aeruginosa Organism_taxid: 287 Gene: Dadx Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet26
symmetry	Space Group: C 2 2 21	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 72.679 76.129 136.266 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.45 Å
ligand	DLY, KCX, PLP	enzyme	Isomerase E.C.5.1.1.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure at 1.45 A resolution of alanine racemase from a pathogenic bacterium, Pseudomonas aeruginosa, contains both internal and external aldimine forms., LeMagueres P, Im H, Dvorak A, Strych U, Benedik M, Krause KL, Biochemistry 2003 Dec 23;42(50):14752-61. PMID:14674749

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (121 Kb) [Save to disk] Biological Unit Coordinates (1rcq.pdb1.gz) 231 Kb LPC: Ligand-Protein Contacts for 1RCQ CSU: Contacts of Structural Units for 1RCQ Likely Quarternary Molecular Structure file(s) for 1RCQ Retrieve 1RCQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1RCQ from S2C, [Save to disk]

View 1RCQ 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 1RCQ

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1RCQ from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1RCQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1rcqa1, region A:1-7,A:234-357 [Jmol] [rasmolscript] [script source]     - Domain d1rcqa2, region A:8-233 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1rcq] [1rcq_A] SWISS-PROT database: [Q9HTQ2] Domain organization of [ALR2_PSEAE] by SWISSPFAM Domain found in 1RCQ: [Ala_racemase_C ] by SMART

Other resources with information on 1RCQ

Community annotation for 1RCQ 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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