求翻译：bFGF是由155个氨基酸组成的多肽[6]，肽链由12个反平行β-Sheet结构组成，无α-螺旋结构[7]，分子量17.5KD，等电点为9.6，对热和酸敏感。是什么意思？

bfgf is a polypeptide of 155 amino acids [6], the peptide chain by the 12 anti-parallel beta-sheet structure, α-helix structure [7], molecular weight 17.5kd isoelectric point of 9.6, heat and acid-sensitive .

By bFGF is composed of 155 amino acid peptide, peptide [ 6] link consists of the 12 anti-parallel β-Sheet structure and No alpha-helical structure [ 7], such as molecular weight, 17.5 KD -- 9.6 points for the heat and acid sensitive.

bFGF is multi-peptide (6) which is composed by 155 amino acids, the peptide chain is composed by 12 antiparallel β-Sheet structures, does not have alpha - spiral structure (7), molecular weight 17.5KD, the isoelectric point is 9.6, is sensitive to the heat and the acid.

BFGF is made up of 155 amino acid peptide [6], the polypeptide chain is made up of 12 anti-parallel structure of β--Sheet, non-α-helical structure [7], 17.5KD molecular weight, isoelectric point is 9.6, sensitive to heat and acid.

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