Related (βα)8-barrel proteins in histidine and tryptophan biosynthesis: a paradigm to study enzyme evolution.

Related (βα)8-barrel proteins in histidine and tryptophan biosynthesis: a paradigm to study enzyme evolution.

Chembiochem : a European journal of chemical biology (2011-06-10)

Felix List, Reinhard Sterner, Matthias Wilmanns

MATERIALS

Product Number

Brand

Product Description

Supelco

L-Histidine, Pharmaceutical Secondary Standard; Certified Reference Material

Supelco

L-Histidine, certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

SAFC

L-Histidine

Sigma-Aldrich

L-Histidine, ReagentPlus^®, ≥99% (TLC)

Sigma-Aldrich

L-Histidine, suitable for cell culture, meets EP, USP testing specifications, from non-animal source

Sigma-Aldrich

L-Histidine, BioUltra, ≥99.5% (NT)

Sigma-Aldrich

L-Histidine, Vetec^™, reagent grade, ≥99%

Histidine, European Pharmacopoeia (EP) Reference Standard