Affinity chromatography resin for E. coli Thioredoxin 1. nanoCLAMP trxA-A1 coupled to 6% agarose beads via thioether bond to C-terminal cysteine. Binding capacity of ca. 2 mg (46 nmol) Thioredoxin-fusion protein per ml resin. 0.75 ml resin in 1.5 ml suspension. Useful for thioredoxin purification, thioredoxin immunoprecipitation (IP), thioredoxin chromatography, thioredoxin isolation, thioredoxin pulldown, thioredoxin removal, and thioredoxin depletion. Recognizes thioredoxin, thioredoxin-fusions and thioredoxin-tagged proteins. Alternative to thioredoxin antibody beads.