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Biochem Biophys Res Commun. 1986 Nov 14;140(3):874-80.

Amino acid sequence of human acidic fibroblast growth factor.


The complete amino acid sequence of human brain acidic fibroblast growth factor (aFGF) has been established. Human aFGF consists of 140 amino acids and is highly homologous to bovine aFGF (11 amino acid replacements). Results from experiments involving alkylation of cysteine residues are compatible with the possibilities that in aFGF all three cysteines exist as free sulfhydryls, or alternatively, that a disulfide bridge is present but cannot be identified due to disulfide scrambling caused by the SH group of the remaining cysteine. A potential glycosylation site Asn114-Gly115-Ser116 is present in aFGF but the mitogen does not bind to lectins suggesting that it may not be glycosylated.

[Indexed for MEDLINE]

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