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Biochem Biophys Rep. 2016 Nov 30;9:114-120. doi: 10.1016/j.bbrep.2016.11.012. eCollection 2017 Mar.

Effects of isoleucine 135 side chain length on the cofactor donor-acceptor distance within F.

Biochemistry and biophysics reports

Cuong Quang Le, Mercy Oyugi, Ebenezer Joseph, Toan Nguyen, Md Hasmat Ullah, Joshua Aubert, Thien Phan, Joseph Tran, Kayunta Johnson-Winters

Affiliations

  1. Department of Chemistry and Biochemistry, University of Texas at Arlington, TX 76019-0065, USA.

PMID: 28955995 PMCID: PMC5614548 DOI: 10.1016/j.bbrep.2016.11.012

Abstract

F

Keywords: Dissociation constants; E. coli,, Escherichia coli; F420 cofactor; F420 cofactor, 7,8-didemethyl-8-hydroxy-5-deazariboflavin-5′-phosphoryllactyl(glutamyl)nglutamate, A. fulgidus, Archaeoglobus fulgidus; F420H2: NADP+ oxidoreductase; FO, precursor of F420 cofactor; Fno, F420H2:NADP+, oxidoreductase; Half-site reactivity; I135, Isoleucine 135; IPTG, isopropyl β-D-1-thiogalactopyranoside; Kd,, dissociation constant; Km, Michaelis-Menten constant; LB, Luria Bertani broth; NADP; NADP+, nicotinamide adenine dinucleotide phosphate; Negative cooperativity; PEI, Polyethyleneimine; Pre steady-state kinetics; Steady-state kinetics; k, rate constant; kcat, catalytic rate constant (turnover number), kcat /Km, catalytic efficiency; wtFno, wild-type Fno

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