GREEN FLUORESCENT PROTEIN FROM AEQUOREA VICTORIA, MUTANT

[(4Z)-2-(1-AMINO-2-HYDROXYETHYL)-4-(4-HYDROXYBENZYLIDENE)-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-1-YL]ACETIC ACID

The structural basis for spectral variations in green fluorescent protein.

MASKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTL(GYS)VQCFSRYPDH
MKRHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQ
KNGIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELY
K

MASKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTLSYGVQCFSRYPDHMK
RHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKN
GIKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELYK

PROTEIN WAS CRYSTALLIZED BY HANGING DROP METHOD. PROTEIN SOLUTION: 13 MG/ML IN 20 MM K-PO4, PH 7.0 WELL SOLUTION: 1.95 M AS, 100 MM TRIS/HCL, PH 8.5 PROTEIN:WELL 1:1, vapor diffusion - hanging drop

PARAMETERS FOR THE CHROMOPHORE WERE ESTIMATED ACCORDING TO A MODEL COMPOUND (B.TINANT ET AL., CRYST. STRUCT. COMM., 1980, 9, 671-674)

THE BIOLOGICALLY ACTIVE MOLECULE IS A DIMER.

FLUORESCENT PROTEIN, BETA-BARREL, BIOLUMINESCENCE, LUMINESCENCE

MSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFSYGVQCFSRYPDHMKQ
HDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNG
IKVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELYK