beta-hydroxylase 1 B1 chy1 BCH1 BETA-OHASE 1 AT4G25700 beta-hydroxylase 1 (BETA-OHASE 1); FUNCTIONS IN: carotene beta-ring hydroxylase activity; INVOLVED IN: xanthophyll biosynthetic process, carotene metabolic process; LOCATED IN: endoplasmic reticulum, chloroplast; EXPRESSED IN: 21 plant structures; EXPRESSED DURING: 13 growth stages; CONTAINS InterPro DOMAIN/s: Fatty acid hydroxylase (InterPro:IPR006694); BEST Arabidopsis thaliana protein match is: beta-carotene hydroxylase 2 (TAIR:AT5G52570.1); Has 865 Blast hits to 862 proteins in 172 species: Archae - 20; Bacteria - 141; Metazoa - 0; Fungi - 0; Plants - 524; Viruses - 0; Other Eukaryotes - 180 (source: NCBI BLink). BETA CAROTENOID HYDROXYLASE 1