title: Micropreparative ion exchange high performance liquid chromatography: applications to microsequence analysis.
abstract: Data on the characterization of anion and cation micropreparative (50 x 1.6 mm i.d.) HPLC columns is presented. It is shown how subnanomole quantities of protein can be efficiently recovered from such columns, rendering them compatible for use in multidimensional chromatographic strategies for the purification of trace biological samples. By selection of appropriate solvent systems (e.g., buffer-free sodium chloride solutions), the small eluant peak volumes can be loaded directly onto the gas phase sequencer, and N-terminal sequence data obtained. The potential of the technique is illustrated for the purification of a GTPase activating protein (GAP-3).
authors: Ludwig Institute for Cancer Research, Melbourne Tumour Biology Branch, Victoria, Australia.
authors: E C
authors: EC
authors: Nice
authors: L
authors: L
authors: Fabri
authors: A
authors: A
authors: Hammacher
authors: K
authors: K
authors: Andersson
authors: U
authors: U
authors: Hellman
mesh_terms: D000595:Amino Acid Sequence; D000818:Animals; D002417:Cattle; D002850:Chromatography, Gel; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D002852:Chromatography, Ion Exchange / Q000379:methods*; D020690:GTPase-Activating Proteins; D011506:Proteins / Q000737:chemistry / Q000302:isolation & purification; D012680:Sensitivity and Specificity; D017421:Sequence Analysis / Q000379:methods*; D013056:Spectrophotometry, Ultraviolet
chemical_list: D020690:GTPase-Activating Proteins; D011506:Proteins