MATVTTQASAAIFGPCGLKSRFLGGSSGKLNRGVAFRPVGCSPSASFKVEAKKGEWLPGLASPGYLTGSLPGDNGFDPLGLAEDPENLRWFVQAELVNGRWAMLGVAGMLLPEVFTSIGIINVPKWYAAGKEEYFASSSTLFVIEFILSHYVEIRRWQDIKNPGSVNQDPIFKQYSLPAGEVGYPGGIFNPLNFAPTLEAKEKEIANGRLAMLAFLGFIIQHNVTGKGPFDNLLQHISDPWHNTIVQTLGGN Chlorophyll a-b binding protein P4, chloroplastic lhcA-P4 The light-harvesting complex (LHC) functions as a light receptor, it captures and delivers excitation energy to photosystems with which it is closely associated. May channel protons produced in the catalytic Mn center of water oxidation into the thylakoid lumen. CB24_PEA 252 LHCI type III CAB-P4