>2I9V_1|Chain A|Photoactive yellow protein|Halorhodospira halophila (1053) MEHVAFGSEDIENTLAKMDDGQLDGLAFGAIQLDGDGNILQYNAAEGDITGRDPKQVIGKNFFKDVAPCTDSPEFYGKFKEGVASGNLNTMFEYTFDQQMTPTKVKVHMKKALSGDSYWVFVKRV