fischer convention for assigning the enantiomers of glyceraldehyde

28
Fischer convention for assigning the enantiomers of glyceraldehyde

Upload: xander

Post on 01-Feb-2016

34 views

Category:

Documents


0 download

DESCRIPTION

Fischer convention for assigning the enantiomers of glyceraldehyde. Configuration of L-glyceraldehyde and L- a -amino acids. The structural formula of L-glyceraldehyde. Greek lettering scheme used to identify the atoms in the glutamyl and lysyl sidechains. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Fischer  convention for assigning the enantiomers of glyceraldehyde

Fischer convention for assigning the enantiomers of glyceraldehyde

Page 2: Fischer  convention for assigning the enantiomers of glyceraldehyde

Configuration of L-glyceraldehyde and L--amino acids

Page 3: Fischer  convention for assigning the enantiomers of glyceraldehyde

The structural formula of L-glyceraldehyde

Page 4: Fischer  convention for assigning the enantiomers of glyceraldehyde
Page 5: Fischer  convention for assigning the enantiomers of glyceraldehyde
Page 6: Fischer  convention for assigning the enantiomers of glyceraldehyde

Greek lettering scheme used to identify the atoms in the glutamyl and lysyl sidechains

Page 7: Fischer  convention for assigning the enantiomers of glyceraldehyde

Structure of cystine: redox chemistry

Page 8: Fischer  convention for assigning the enantiomers of glyceraldehyde

Titration curve of glycine

Page 9: Fischer  convention for assigning the enantiomers of glyceraldehyde

Amino acid analysis via HPLC

Page 10: Fischer  convention for assigning the enantiomers of glyceraldehyde

Condensation of two -amino acids to form a dipeptide

Page 11: Fischer  convention for assigning the enantiomers of glyceraldehyde

Structure of the tetrapeptide, Ala-Tyr-Asp-Gly

Page 12: Fischer  convention for assigning the enantiomers of glyceraldehyde

Titration curves of ribonuclease A at 25 °C

Page 13: Fischer  convention for assigning the enantiomers of glyceraldehyde

Views of ethanol: prochirality

Page 14: Fischer  convention for assigning the enantiomers of glyceraldehyde

Uncommon amino acids that are components of certain proteins

Page 15: Fischer  convention for assigning the enantiomers of glyceraldehyde

Biologically produced derivatives of “standard” amino acids and amino acids that are not components of proteins

Page 16: Fischer  convention for assigning the enantiomers of glyceraldehyde

END

Page 17: Fischer  convention for assigning the enantiomers of glyceraldehyde

Enantiomers of fluorochlorobromomethane

Page 18: Fischer  convention for assigning the enantiomers of glyceraldehyde

General structural formula for -amino acids

Page 19: Fischer  convention for assigning the enantiomers of glyceraldehyde

Zwitterionic form of the -amino acids that occur at physiological pH values

Page 20: Fischer  convention for assigning the enantiomers of glyceraldehyde

The structural formula of L-alanine

Page 21: Fischer  convention for assigning the enantiomers of glyceraldehyde

“CORN crib” mnemonic for the “handedness” of L-amino acids

Page 22: Fischer  convention for assigning the enantiomers of glyceraldehyde

Fischer projections of L-threonine stereoisomers

Page 23: Fischer  convention for assigning the enantiomers of glyceraldehyde

Newman projections of the stereoisomers of threonine and isoleucine derived from proteins

Page 24: Fischer  convention for assigning the enantiomers of glyceraldehyde

Schematic diagram of a polarimeter

Page 25: Fischer  convention for assigning the enantiomers of glyceraldehyde

Structure of phenylalanine: ball-and-stick representation

Page 26: Fischer  convention for assigning the enantiomers of glyceraldehyde

Structure of phenylalanine: space-filling representation

Page 27: Fischer  convention for assigning the enantiomers of glyceraldehyde

Views of acetaldehyde: re and si faces

Page 28: Fischer  convention for assigning the enantiomers of glyceraldehyde

The three stereoisomers of cystine