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Scott Ensign

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Melissa A Kofoed; Arti S Pandey; John W Peters; David A Wampler; Scott A Ensign
Roles of the redox-active disulfide and histidine residues forming a catalytic dyad in reactions catalyzed by 2-ketopropyl coenzyme M oxidoreductase/carboxylase.
Scott A Ensign
Microbiology. Another microbial pathway for acetate assimilation.
Jeffrey M Boyd; Daniel D Clark; Melissa A Kofoed; Scott A Ensign
Mechanism of inhibition of aliphatic epoxide carboxylation by the coenzyme M analog 2-bromoethanesulfonate.

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All Publications

2011: Melissa A Kofoed; Arti S Pandey; John W Peters; David A Wampler; Scott A Ensign
Roles of the redox-active disulfide and histidine residues forming a catalytic dyad in reactions catalyzed by 2-ketopropyl coenzyme M oxidoreductase/carboxylase.
Journal of bacteriology 2011;193(18):4904-13.
2011: Scott A Ensign
Microbiology. Another microbial pathway for acetate assimilation.
Science (New York, N.Y.) 2011;331(6015):294-5.
2010: Jeffrey M Boyd; Daniel D Clark; Melissa A Kofoed; Scott A Ensign
Mechanism of inhibition of aliphatic epoxide carboxylation by the coenzyme M analog 2-bromoethanesulfonate.
The Journal of biological chemistry 2010;285(33):25232-42.
2010: Dariusz A Sliwa; Arathi M Krishnakumar; John W Peters; Scott A Ensign
Molecular basis for enantioselectivity in the (R)- and (S)-hydroxypropylthioethanesulfonate dehydrogenases, a unique pair of stereoselective short-chain dehydrogenases/reductases involved in aliphatic epoxide carboxylation.
Biochemistry 2010;49(16):3487-98.
2008: Arathi M Krishnakumar; Darius Sliwa; James A Endrizzi; Eric S Boyd; Scott A Ensign; John W Peters
Getting a handle on the role of coenzyme M in alkene metabolism.
Microbiology and molecular biology reviews : MMBR 2008;72(3):445-56.
2006: Jeffrey M Boyd; Ashley Ellsworth; Scott A Ensign
Characterization of 2-bromoethanesulfonate as a selective inhibitor of the coenzyme m-dependent pathway and enzymes of bacterial aliphatic epoxide metabolism.
Journal of bacteriology 2006;188(23):8062-9.
2006: Arathi M Krishnakumar; Bogi Nocek; Daniel D Clark; Scott A Ensign; John W Peters
Structural basis for stereoselectivity in the (R)- and (S)-hydroxypropylthioethanesulfonate dehydrogenases.
Biochemistry 2006;45(29):8831-40.
2006: Scott A Ensign
Revisiting the glyoxylate cycle: alternate pathways for microbial acetate assimilation.
Molecular microbiology 2006;61(2):274-6.
2006: Arti S Pandey; Bogi Nocek; Daniel D Clark; Scott A Ensign; John W Peters
Mechanistic implications of the structure of the mixed-disulfide intermediate of the disulfide oxidoreductase, 2-ketopropyl-coenzyme M oxidoreductase/carboxylase.
Biochemistry 2006;45(1):113-20.
2005: Jeffrey M Boyd; Scott A Ensign
Evidence for a metal-thiolate intermediate in alkyl group transfer from epoxypropane to coenzyme M and cooperative metal ion binding in epoxyalkane:CoM transferase.
Biochemistry 2005;44(39):13151-62.
2005: David A Wampler; Scott A Ensign
Photoheterotrophic metabolism of acrylamide by a newly isolated strain of Rhodopseudomonas palustris.
Applied and environmental microbiology 2005;71(10):5850-7.
2005: Jeffrey M Boyd; Scott A Ensign
ATP-dependent enolization of acetone by acetone carboxylase from Rhodobacter capsulatus.
Biochemistry 2005;44(23):8543-53.
2004: Jeffrey M Boyd; Heather Ellsworth; Scott A Ensign
Bacterial acetone carboxylase is a manganese-dependent metalloenzyme.
The Journal of biological chemistry 2004;279(45):46644-51.
2004: Daniel D Clark; Jeffrey M Boyd; Scott A Ensign
The stereoselectivity and catalytic properties of Xanthobacter autotrophicus 2-[(R)-2-Hydroxypropylthio]ethanesulfonate dehydrogenase are controlled by interactions between C-terminal arginine residues and the sulfonate of coenzyme M.
Biochemistry 2004;43(21):6763-71.
2004: Bogi Nocek; Jeffrey Boyd; Scott A Ensign; John W Peters
Crystallization and preliminary X-ray analysis of an acetone carboxylase from Xanthobacter autotrophicus strain Py2.
Acta crystallographica. Section D, Biological crystallography 2004;60(Pt 2):385-7.
2003: Scott A Ensign; Jeffrey R Allen
Aliphatic epoxide carboxylation.
Annual review of biochemistry 2003;72():55-76.
2002: Bogi Nocek; Se Bok Jang; Mi Suk Jeong; Daniel D Clark; Scott A Ensign; John W Peters
Structural basis for CO2 fixation by a novel member of the disulfide oxidoreductase family of enzymes, 2-ketopropyl-coenzyme M oxidoreductase/carboxylase.
Biochemistry 2002;41(43):12907-13.
2002: Bogi Nocek; Daniel D Clark; Scott A Ensign; John W Peters
Crystallization and preliminary X-ray analysis of an R-2-hydroxypropyl-coenzyme M dehydrogenase.
Acta crystallographica. Section D, Biological crystallography 2002;58(Pt 9):1470-3.
2002: Miriam K Sluis; Rachel A Larsen; Jonathan G Krum; Ruth Anderson; William W Metcalf; Scott A Ensign
Biochemical, molecular, and genetic analyses of the acetone carboxylases from Xanthobacter autotrophicus strain Py2 and Rhodobacter capsulatus strain B10.
Journal of bacteriology 2002;184(11):2969-77.
2002: Jonathan G Krum; Heather Ellsworth; Ryan R Sargeant; Gregory Rich; Scott A Ensign
Kinetic and microcalorimetric analysis of substrate and cofactor interactions in epoxyalkane:CoM transferase, a zinc-dependent epoxidase.
Biochemistry 2002;41(15):5005-14.
2002: Daniel D Clark; Scott A Ensign
Characterization of the 2-[(R)-2-hydroxypropylthio]ethanesulfonate dehydrogenase from Xanthobacter strain Py2: product inhibition, pH dependence of kinetic parameters, site-directed mutagenesis, rapid equilibrium inhibition, and chemical modification.
Biochemistry 2002;41(8):2727-40.
2001: Scott A Ensign
Microbial metabolism of aliphatic alkenes.
Biochemistry 2001;40(20):5845-53.
2001: Jonathan G Krum; Scott A Ensign
Evidence that a linear megaplasmid encodes enzymes of aliphatic alkene and epoxide metabolism and coenzyme M (2-mercaptoethanesulfonate) biosynthesis in Xanthobacter strain Py2.
Journal of bacteriology 2001;183(7):2172-7.
2001: Se Bok Jang; Mi Suk Jeong; Daniel D Clark; Scott A Ensign; John W Peters
Crystallization and preliminary X-ray analysis of a NADPH 2-ketopropyl-coenzyme M oxidoreductase/carboxylase.
Acta crystallographica. Section D, Biological crystallography 2001;57(Pt 3):445-7.
2000: Jonathan G Krum; Scott A Ensign
Heterologous expression of bacterial Epoxyalkane:Coenzyme M transferase and inducible coenzyme M biosynthesis in Xanthobacter strain Py2 and Rhodococcus rhodochrous B276.
Journal of bacteriology 2000;182(9):2629-34.
2000: Daniel D Clark; Jeffrey R Allen; Scott A Ensign
Characterization of five catalytic activities associated with the NADPH:2-ketopropyl-coenzyme M [2-(2-ketopropylthio)ethanesulfonate] oxidoreductase/carboxylase of the Xanthobacter strain Py2 epoxide carboxylase system.
Biochemistry 2000;39(6):1294-304.
1999: Jeffrey R Allen; Daniel D Clark; Jonathan G Krum; Scott A Ensign
A role for coenzyme M (2-mercaptoethanesulfonic acid) in a bacterial pathway of aliphatic epoxide carboxylation.
Proceedings of the National Academy of Sciences of the United States of America 1999;96(15):8432-7.
1999: Daniel D Clark; Scott A Ensign
Evidence for an inducible nucleotide-dependent acetone carboxylase in Rhodococcus rhodochrous B276.
Journal of bacteriology 1999;181(9):2752-8.
1999: Jeffrey R Allen; Scott A Ensign
Two short-chain dehydrogenases confer stereoselectivity for enantiomers of epoxypropane in the multiprotein epoxide carboxylating systems of Xanthobacter strain Py2 and Nocardia corallina B276.
Biochemistry 1999;38(1):247-56.
1998: Jeffrey R Allen; Scott A Ensign
Identification and characterization of epoxide carboxylase activity in cell extracts of Nocardia corallina B276.
Journal of bacteriology 1998;180(8):2072-8.
1998: Scott A Ensign; FJ Small; Jeffrey R Allen; Miriam K Sluis
New roles for CO2 in the microbial metabolism of aliphatic epoxides and ketones.
Archives of microbiology 1998;169(3):179-87.
1997: Jeffrey R Allen; Scott A Ensign
Purification to homogeneity and reconstitution of the individual components of the epoxide carboxylase multiprotein enzyme complex from Xanthobacter strain Py2.
The Journal of biological chemistry 1997;272(51):32121-8.
1997: Richard C Holz; FJ Small; Scott A Ensign
Proton nuclear magnetic resonance investigation of the [2Fe-2S](1-)-containing "Rieske-type" protein from Xanthobacter strain Py2.
Biochemistry 1997;36(48):14690-6.
1997: FJ Small; Scott A Ensign
Alkene monooxygenase from Xanthobacter strain Py2. Purification and characterization of a four-component system central to the bacterial metabolism of aliphatic alkenes.
The Journal of biological chemistry 1997;272(40):24913-20.
1997: Miriam K Sluis; Scott A Ensign
Purification and characterization of acetone carboxylase from Xanthobacter strain Py2.
Proceedings of the National Academy of Sciences of the United States of America 1997;94(16):8456-61.
1997: Jeffrey R Allen; Scott A Ensign
Characterization of three protein components required for functional reconstitution of the epoxide carboxylase multienzyme complex from Xanthobacter strain Py2.
Journal of bacteriology 1997;179(10):3110-5.
1996: M K Sluis; F J Small; Jeffrey R Allen; Scott A Ensign
Involvement of an ATP-dependent carboxylase in a CO2-dependent pathway of acetone metabolism by Xanthobacter strain Py2.
Journal of bacteriology 1996;178(14):4020-6.
1996: Jeffrey R Allen; Scott A Ensign
Carboxylation of epoxides to beta-keto acids in cell extracts of Xanthobacter strain Py2.
Journal of bacteriology 1996;178(5):1469-72.
1996: Scott A Ensign
Aliphatic and chlorinated alkenes and epoxides as inducers of alkene monooxygenase and epoxidase activities in Xanthobacter strain Py2.
Applied and environmental microbiology 1996;62(1):61-6.
1995: F J Small; Scott A Ensign
Carbon dioxide fixation in the metabolism of propylene and propylene oxide by Xanthobacter strain Py2.
Journal of bacteriology 1995;177(21):6170-5.
1995: Lance C Seefeldt; M E Rasche; Scott A Ensign
Carbonyl sulfide and carbon dioxide as new substrates, and carbon disulfide as a new inhibitor, of nitrogenase.
Biochemistry 1995;34(16):5382-9.
1995: Scott A Ensign
Reactivity of carbon monoxide dehydrogenase from Rhodospirillum rubrum with carbon dioxide, carbonyl sulfide, and carbon disulfide.
Biochemistry 1995;34(16):5372-8.
1994: Lance C Seefeldt; Scott A Ensign
A continuous, spectrophotometric activity assay for nitrogenase using the reductant titanium(III) citrate.
Analytical biochemistry 1994;221(2):379-86.