>sp|Q3J144|LHA2_CERS4 Light-harvesting protein B-800/850 alpha chain OS=Cereibacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / CCUG 31486 / LMG 2827 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) OX=272943 GN=pucA PE=1 SV=1 MTNGKIWLVVKPTVGVPLFLSAAVIASVVIHAAVLTTTTWLPAYYQGSAAVAAE