>1F9I_1|Chain A|PHOTOACTIVE YELLOW PROTEIN|Halorhodospira halophila (1053) MEHVAFGSEDIENTLAKMDDGQLDGLAFGAIQLDGDGNILQFNAAEGDITGRDPKQVIGKNFFKDVAPCTDSPEFYGKFKEGVASGNLNTMFEYTFDYQMTPTKVKVHMKKALSGDSYWVFVKRV