>4W76_1|Chains A, B|fluorescent protein D21H/K26C|synthetic construct (32630) GMRKGEELFTGVVPILIELDGHVNGHCFFVRGEGEGDATIGKLSLKFIATTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKRHDFFKSAMPEGYVQERTIYFKDDGTYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNFNSHKVYITADKQNNGIKANFTIRHNVEDGSVQLADHYQQNTPIGDGPVDLPDDHYLSTQTILSKDLNEKRDHMVLLEYVTAAGIT