1MRA	Racemase	date	Mar 12, 1996
title	Mandelate Racemase Mutant D270n Co-Crystallized With (S)-Atr
authors	J.G.Clifton, G.A.Petsko
compound		source
Molecule: Mandelate Racemase Chain: A Ec: 5.1.2.2 Engineered: Yes Mutation: Yes		Organism_scientific: Pseudomonas Putida Organism_taxid: 303 Atcc: 15692 Gene: Mandelate Racemase Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pkt230 Expression_system_gene: Mandelate Racemase Other_details: Trc Promoter
symmetry	Space Group: I 4 2 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.000 125.000 107.100 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	APG, MG	enzyme	Isomerase E.C.5.1.2.2 BRENDA
related structures	by homologous chain: 1DTN
Gene Ontology	Chain Function Process Component A
Primary reference	Mechanism of the reaction catalyzed by mandelate racemase: structure and mechanistic properties of the D270N mutant., Schafer SL, Barrett WC, Kallarakal AT, Mitra B, Kozarich JW, Gerlt JA, Clifton JG, Petsko GA, Kenyon GL, Biochemistry 1996 May 7;35(18):5662-9. PMID:8639525

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (1mra.pdb1.gz) 436 Kb LPC: Ligand-Protein Contacts for 1MRA CSU: Contacts of Structural Units for 1MRA Likely Quarternary Molecular Structure file(s) for 1MRA Retrieve 1MRA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MRA from S2C, [Save to disk]

View 1MRA 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 1MRA

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MRA, from MSDmotif at EBI Genome occurence of 1MRA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mra_1, region 133-359 [Jmol] [rasmolscript] [script source]     - Domain d1mra_2, region 3-132 [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mra_A] [1mra] SWISS-PROT database: [P11444] Domain organization of [MANR_PSEPU] by SWISSPFAM Domain found in 1MRA: [MR_MLE ] by SMART

Other resources with information on 1MRA

Community annotation for 1MRA 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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