Metabolic Pathways of Biochemistry

Graphical representation of metabolic pathways that are crucial to human metabolism, including 3D depictions from the George Washington University, Washington, DC.
http://www.gwu.edu/~mpb

Citric Acid Cycle

Diagram of steps in Krebs' tricarboxylic acid cycle, with 3D presentation dependent on Chime plug-in, from student at University of North Texas.
http://people.unt.edu/~hds0006/tca/index.htm

Kyoto Encyclopedia of Genes and Genomes (KEGG)

Graphical and hypertext-based information on biochemical pathways, including metabolic and regulatory pathways (for instance, cell cycle and growth factor signaling).
http://www.genome.ad.jp/kegg/

Molecular Biology Databases - Enzymes and Pathways

Links to enzyme, metabolic and signaling pathways databases from the Bioinformatics Unit at Weizmann Institute of Science, Israel.
http://bioinformatics.weizmann.ac.il/mb/db/enzymes.html

Ubiquitin Index

The Ubiquitin System for protein modification and degradation.
http://www.ccc.nottingham.ac.uk/%7Embzmail/students/ub/ubindex.html

Metabolism Foundation

Non-profit organization dedicated to the study of plant anatomy and physiology, established by Dr. Jim Bidlack, Edmond, OK.
http://www.metabolism.net/

EcoCyc Encyclopedia

Database that describes the genome and the biochemical machinery of E. coli, maintained by SRI International, Menlo Park, CA.
http://www.ecocyc.org/

DIY Glycolysis by John Maber

Discusses the conversion of glucose and other monosaccharids to lactate or other biproducts, depending on the organism. Includes an advertisement for the webmaster's book.
http://www.jonmaber.demon.co.uk/

UM-BBD: Biocatalysis/Biodegradation Database

Microbial enzyme-catalyzed reactions and compounds, FAQ and related resources at the University of Minnesota.
http://www.labmed.umn.edu/

MetaCyc - Metabolic Encyclopedia

Description of over 450 metabolic pathways and their associated enzymes, from over 150 organisms maintained by SRI International, Menlo Park, CA.
http://biocyc.org/metacyc/

Laboratory Research Projects

Studies on squalene monooxygenase dependent cholesterol biosynthesis, and the role of cytochrome P450 reductase as the electron transfer partner, by Todd D. Porter's group at the College of Pharmacy, Lexington, KY.
http://www.uky.edu/Pharmacy/ps/porter/

Glycolysis and the Krebs Cycle

Chapter from the biology hypertext book at MIT, Cambridge, MA.
http://web.mit.edu/esgbio/www/glycolysis/dir.html

Cytochrome P450 Reductase

Overview of the biology, enzymology, and structure of cytochrome P450 reductase, an unusual electron transfer flavoprotein.
http://www.uky.edu/Pharmacy/ps/porter/CPR.htm

General Overview of the Major Metabolic Pathways

A survey of human metabolism, written for undergraduates in the Health Sciences from a chemist's point of view. Includes profile of author at University of Oporto, Portugal.
http://www2.ufp.pt/~pedros/bq/integration.htm

Proteolysis for Fun and Profit

Protein degradation resource.
http://www.biochem.emory.edu/labs/genekdw/protdeg2000/home.html

LFT Metabolite Database

Searches on metabolites from carbohydrate, amino acid, fatty acid, nucleotide or other biochemical metabolism, including descriptions of the chemistry and function of biochemicals.
http://cc.1asphost.com/Metabolites/

Pathway Hunter Tool

Metabolic pathway analysis webservice, including shortest, alternate path and network analysis from Cologne University Bioinformatics Center, Germany.
http://www.pht.uni-koeln.de/

ExPASy - Biochemical Pathways

Digitized version of wall charts courtesy Boehringer Mannheim et al, divided into Metabolic Pathways and Cellular and Molecular Processes, maintained by the Swiss Institute of Bioinformatics, Geneva, Switzerland.
http://www.expasy.org/cgi-bin/search-biochem-index