title: Bacterial proteins fold faster than eukaryotic proteins with simple folding kinetics.
abstract: Protein domain frequency and distribution among kingdoms was statistically analyzed using the SCOP structural database. It appeared that among chosen protein domains with the best resolution, eukaryotic proteins more often belong to α-helical and β-structural proteins, while proteins of bacterial origin belong to α/β structural class. Statistical analysis of folding rates of 73 proteins with known experimental data revealed that bacterial proteins with simple kinetics (23 proteins) exhibit a higher folding rate compared to eukaryotic proteins with simple folding kinetics (27 proteins). Analysis of protein domain amino acid composition showed that the frequency of amino acid residues in proteins of eukaryotic and bacterial origin is different for proteins with simple and complex folding kinetics.
authors.affiliation: Institute of Protein Research, Russian Academy of Sciences, Pushchino, Moscow Region, Russia. ogalzit@vega.protres.ru
authors.forename: O V
authors.initials: OV
authors.lastname: Galzitskaya
authors.forename: N S
authors.initials: NS
authors.lastname: Bogatyreva
authors.forename: A V
authors.initials: AV
authors.lastname: Glyakina
mesh_terms: D000596:Amino Acids / Q000737:chemistry; D001426:Bacterial Proteins / Q000378:metabolism*; D003627:Data Interpretation, Statistical; D030562:Databases, Protein; D056890:Eukaryota; D007700:Kinetics; D011487:Protein Conformation; D017510:Protein Folding; D017433:Protein Structure, Secondary; D017434:Protein Structure, Tertiary; D011506:Proteins / Q000737:chemistry* / Q000145:classification / Q000378:metabolism; D016914:Ribonuclease H / Q000378:metabolism; D025521:Tumor Suppressor Proteins / Q000378:metabolism
chemical_list: D000596:Amino Acids; D001426:Bacterial Proteins; D011506:Proteins; D025521:Tumor Suppressor Proteins; D016914:Ribonuclease H