>sp|Q28W35|BCHB_JANSC Light-independent protochlorophyllide reductase subunit B OS=Jannaschia sp. GN=bchB MKLTVWTYEGPPHVGAMRVATAMKGLHYVLHAPQGDTYADLLFTMIERRDHRPPVTYTTF EGRDLGEDTAGIFKVTCQEAYDRFKPQAIIVGASCTAELIQDDPGGLAETMQIPVPVIPL ELPSYQRKENFGSDETFYQIVKSLARPMDRTPEVTVNIIGPLALGFRHRDDIEEVKGLLY EMGIGVNVVAPFDATPEDITRLGAAHANVLMYPEHAESAARHLERICGQPYTKTIPIGVA ATHEFVAEVAQLCGVEPRKDLSRLRQPWWSKSVDSTYLTGKRVFLFGDATHVKAAARIAR DEMGFEVVGLGCYNREFARSIRELAREFDVPALITDDYLEVEKAIEDASPEMILGTQMER HIGKRLGIPCAVISAPVHVQDFPARYSPQMGWEGANVIFDTWIHPLVMGLEEHLLSMFRE DFEFHDEAGPSHHGGHSPKPSEAARTPDKVEERADPAPEAPQTGSDVMVWLSEAEKELKK IPFFVRGKARRNTEKFAADQGLQEISLDTLYEAKAHYAR