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Enzymes, Coenzymes & Metabolic Pathways
Mechanistic and Structural Characterization of Enzymes with Relevance to Biochemical Pathways and Novel Therapeutics
July 18-23, 2010
Waterville Valley Resort
Waterville Valley, NH
Chairs:
Bruce A. Palfey & Thomas D. Meek

Vice Chairs:
James T. Stivers & Anne-Frances Miller

This conference will explore in detail current topics and questions in enzymology and biochemical pathways. The conference seeks to integrate aspects of enzyme structures and chemical mechanisms with the understanding of cellular signaling and biochemical pathways, and the progression of enzyme inhibitors as novel medicines. This year’s conference will return to its long-standing emphasis on enzymatic mechanisms and co-enzymes, particularly those involved in biological oxidations. The conference will feature well-known leaders from both the academic and industrial fields, as well as provide a speaking forum for emerging scientific leaders. This meeting will include sessions on the elucidation of enzymatic mechanisms from kinetic isotope effects, enzyme structure and molecular dynamics, steady-state kinetic methods, the role of enzymes in drug discovery, flavoproteins, and will highlight analysis of metabolic pathways including those of purines and pyrimidines.

Contributors
National Institutes of Health
National Science Foundation
GlaxoSmithKline
Anonymous Donation
Millennium Pharmaceuticals
American Chemical Society (Division of Biol. Chem.)
Pfizer
New England Biolabs
Carl Storm Foundation
Incyte Corp.
Bristol-Myers Squibb
SUNDAY
2:00 pm - 9:00 pmArrival and Check-in (Office Closed 6:00 pm - 7:00 pm)
6:00 pmDinner
7:30 pm - 7:40 pmWelcome / Introductory Comments by GRC Site Staff
7:40 pm - 9:30 pmENZYME MECHANISMS FROM ISOTOPE EFFECTS
Discussion Leader: Richard Schowen (University of Kansas)
7:40 pm - 8:10 pmPaul Fitzpatrick (UT Health Science Center)
"Isotope Effects as Mechanistic Probes for the Aromatic Amino Acid Hydroxylases"
8:10 pm - 8:15 pm Discussion
8:15 pm - 8:45 pm Judith Klinman (University of California, Berkeley)
"What Can Isotopes Tell Us About Enzyme Conformational Landscapes?"
8:45 pm - 8:50 pm Discussion
8:50 pm - 9:20 pmVern Schramm (Albert Einstein College of Medicine)
"Transition States, Analogues, and Metabolic Pathways"
9:20 pm - 9:30 pm Discussion
MONDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmENZYME DYNAMICS, STRUCTURE, AND FUNCTION
Discussion Leader: JoAnne Stubbe (Massachusetts Institute of Technology)
9:00 am - 9:30 amSharon Hammes-Schiffer (Penn State University)
"Hydrogen Bonding, Electrostatics, and Conformational Motions in Enzyme Catalysis"
9:30 am - 9:40 am Discussion
9:40 am - 10:10 amGregory Reinhart (Texas A&M University)
"Identifying Dynamics Relevant to Allosteric Response"
10:10 am - 10:25 am Discussion
10:25 am - 11:00 am Group Photo / Coffee Break
11:00 am - 11:30 amBrian Bahnson (University of Delaware)
"Physiological and Bioscavenger Roles of PAF Acetylhydrolase Enzymes"
11:30 am - 11:45 am Discussion
11:45 am - 12:00 pm Poster Talk 1: Dheeraj Khare (University of Michigan)
"Alpha-ketoglutarate induced conformational change in a halogenase of curacin A biosynthesis"
12:00 pm - 12:10 pm Discussion
12:10 pm - 12:25 pm Poster Talk 2: Jonathan Lassila (Stanford University)
"Origins of rate acceleration in computationally designed retroaldolase enzymes"
12:25 pm - 12:30 pm Discussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmFLAVOENZYMES
Discussion Leader: Pablo Sobrado (Virginia Tech)
7:30 pm - 8:00 pmSusan Miller (University of California, San Francisco)
"Novel Control of Electron Flow in a Disulfide Reductase"
8:00 pm - 8:10 pm Discussion
8:10 pm - 8:40 pmPimchai Chaiyen (Mahidol University)
"What Is necessary for C4a-hydroperoxy-FAD formation in the Pyranose 2-oxidase reaction?"
8:40 pm - 8:50 pm Discussion
8:50 pm - 9:20 pmMarilyn Jorns (Drexel University)
"Probing the Mechanism of Oxygen Activation by Amino Acid Oxidases"
9:20 pm - 9:30 pm Discussion
TUESDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmENZYMES IN DRUG DISCOVERY
Discussion Leader: Sara Thrall (GlaxoSmithKline)
9:00 am - 9:30 amSteven Baker (Anacor Pharmaceuticals)
"Inhibition of Leucyl tRNA Synthetase by Trapping tRNA with a Boron-based Small-molecule: Novel Approaches to Anti-Infective Therapy"
9:30 am - 9:40 am Discussion
9:40 am - 10:10 amBenjamin Schwartz (GlaxoSmithKline)
"It's all in the timing: Understanding PDF Inhibition"
10:10 am - 10:20 am Discussion
10:20 am - 10:50 am Coffee Break
10:50 am - 11:20 am Christopher Murray (Sutro BioPharma)
"Medicinal Chemistry Engineering of Cytokine Signaling using Non-Natural Amino Acids"
11:20 am - 11:30 am Discussion
11:30 am - 12:00 pmRichard Silverman (Northwestern University)
"Selective Inhibition of Neuronal Nitric Oxide Synthase for Neurodegenerative Diseases"
12:00 pm - 12:10 pm Discussion
12:10 pm - 12:25 pm Poster Talk 3: Tamara Basta (Ecole Polytechnique)
"Antimicrobial compounds targeting the unique reaction mechanism of thymidylate synthase ThyX"
12:25 pm - 12:30 pm Discussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmENZYMES OF NUCLEOTIDE METABOLISM
Discussion Leader: John Gerlt (University of Illinois)
7:30 pm - 8:00 pm Sara Thrall (GlaxoSmithKline)
"Like a Box of Chocolates: Diversity in Cysteine Protease Mechanisms"
8:00 pm - 8:10 pm Discussion
8:10 pm - 8:40 pmLiz Howell (University of Tennessee)
"R67, The Other Dihydrofolate Reductase"
8:40 pm - 8:50 pm Discussion
8:50 pm - 9:20 pmLiz Hedstrom (Brandeis University)
"IMP Dehydrogenase"
9:20 pm - 9:30 pm Discussion
WEDNESDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmREGULATION AND EVOLUTION OF METABOLIC PATHWAYS
Discussion Leader: Yan (Jessie) Zhang (University of Texas-Austin)
9:00 am - 9:30 am Shelley Copley (University of Colorado)
"Cryptic capabilities in the E. coli proteome: Three serendipitous pathways bypass a block in PLP synthesis when one of seven enzymes is overproduced"
9:30 am - 9:40 am Discussion
9:40 am - 10:10 amHung-Wen Liu (University of Texas-Austin)
"Studies of Two Cyclization Reactions in the Biosynthesis of Spinosyn Aglycone"
10:10 am - 10:20 am Discussion
10:20 am - 10:50 am Coffee Break
10:50 am - 11:20 amJohn Denu (University of Wisconsin)
"NAD+-dependent Protein Deacetylases and Regulation of Mitochondrial Metabolism"
11:20 am - 11:30 am Discussion
11:30 am - 12:00 pmRoss Stein (Sirtris)
"SIRT1 Activation by Small Molecules - Direct Activation or Artifact? Evidence for Direct activation via allosteric modulation of catalysis"
12:00 pm - 12:10 pm Discussion
12:10 pm - 12:25 pm Poster Talk 4: Michelle Chang (UC Berkeley)
"Discovery and study of fluorine chemistry in enzymes and in living cells"
12:25 pm - 12:30 pm Discussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 8:00 pmBusiness Meeting
(Nominations for the next Vice Chair; Fill out Conference Evaluation Forms; Discuss future Site & Scheduling preferences; Election of the next Vice Chair)
8:00 pm - 9:30 pmBIOSYNTHETIC PATHWAYS
Discussion Leader: Wilson Francisco (Arizona State University)
8:00 pm - 8:30 pmJohn Vederas (University of Alberta)
"Experiments and Speculations on Fungal Type I Iterative Polyketide Synthases"
8:30 pm - 8:40 pm Discussion
8:40 pm - 8:55 pm Poster Talk 5: Adrian Keatinge-Clay (Univ.of Texas, Austin)
"Structural and Functional Analysis of a-type Ketoreductases from the Amphotericin Modular Polyketide Synthase"
8:55 pm - 9:05 pm Discussion
9:05 pm - 9:20 pm Poster Talk 6: Wenjun Zhang (Harvard Med. School)
"A Three-Enzyme Pathway for 2-Amino-4-Hydroxycyclopent-2-Enone Formation and Incorporation in Natural Product Biosynthesis"
9:20 pm - 9:30 pm Discussion
THURSDAY
7:30 am - 8:30 amBreakfast
9:00 am - 12:30 pmBIOLOGICAL REDOX REACTIONS
Discussion Leader: Steve Rokita (University of Maryland)
9:00 am - 9:30 amDavid Ballou (University of Michigan)
"Rieske Oxygenases are not P450s, but They are Still Interesting"
9:30 am - 9:40 am Discussion
9:40 am - 10:10 amSquire Booker (Penn State University)
"Radical SAM dehydrogenases: A seemingly complex solution to a simple two-electron oxidation"
10:10 am - 10:20 am Discussion
10:20 am - 10:50 am Coffee Break
10:50 am - 11:20 amHolly Ellis (Auburn University)
"Evaluating the Functional and Structural Relevance of the Cysteine Dioxygenase Crosslink"
11:20 am - 11:30 am Discussion
11:30 am - 12:00 pmGraham Moran (University of Wisconsin-Milwaukee)
"A Herbicide for all that Ails"
12:00 pm - 12:10 pm Discussion
12:10 pm - 12:25 pm Poster Talk 7: Jessica Vey (Vanderbilt University)
"Crystal Structure of Nitrososynthase, a Flavin Monooxygenase in Antibiotic-incorporated Nitrosugar Biosynthesis"
12:25 pm - 12:35 pm Discussion
12:30 pmLunch
1:30 pm - 4:00 pmFree Time
4:00 pm - 6:00 pmPoster Session
6:00 pmDinner
7:30 pm - 9:30 pmENZYME MECHANISMS FROM STEADY-STATE KINETICS
(Session in honor of the 80th birthday of Prof. W.W. Cleland)
Discussion Leader: John Blanchard (Albert Einstein College of Medicine)
7:30 pm - 7:50 pm Paul Cook (University of Oklahoma)
"Mechanism of Sacharopine Dehydrogenase"
7:50 pm - 8:00 pm Discussion
8:00 pm - 8:20 pmDeborah Dunaway-Mariano (University of New Mexico)
"Hotdog-fold Thioesterases: Divergence of Structure, Mechanism, and Function"
8:20 pm - 8:30 pm Discussion
8:30 pm - 8:50 pmFrank Raushel (Texas A&M University)
"The Rescue of Orphan Enzymes"
8:50 pm - 9:00 pm Discussion
9:00 pm - 9:20 pmW.W. Cleland (University of Wisconsin)
"Structure and Mechanism of Pyruvate Carboxylase"
9:20 pm - 9:30 pm Discussion
FRIDAY
7:30 am - 8:30 amBreakfast
9:00 amDeparture
Funding for this conference was made possible (in part) by 1 R13 GM-93356-01 from The National Institute of General Medical Sciences. The views expressed in written conference materials or publications and by speakers and moderators do not necessarily reflect the official policies of the Department of Health and Human Services; nor does mention by trade names, commercial practices, or organizations imply endorsement by the U.S. Government.
 
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