Epidermal growth factor is a single - chain peptide with 53 amino - acid residue.

表皮生长因子( epidermal growthfactorEGF )是最初从小鼠的下颌下腺提取的一种含有53个氨基酸残基的单链多肽.

The content ratio of basic and acidic amino-acid in the enzyme is similar to that of yeast.

它的碱性氨基酸和酸性氨基酸的比值与酵母的相近。

Dihydroxyindole is an important intermediate of melanin, amino-acid, biogenic base and tryptamine .

二羟基吲哚是黑素原的重要中间体，也是一些氨基酸、生物碱、色胺的中间体。

Dihydroxyindole is an important intermediate of melanin, amino - acid, biogenic base and tryptamine.

二羟基吲哚是黑素原的重要中间体, 也是一些氨基酸 、 生物碱、色胺的中间体.

In addition, the positions of some of the proteins within the structure are approximate and detail is lacking on the amino-acid side chains hanging off the main structure.

另外，结构中的某些在主体结构外的氨基酸侧链上的蛋白质只是近似的和细节缺失的。

Objective To explore the relationship between the post-traumatic concentration of excited amino-acid in CSF and functional recovery of spinal cord and its effect upon prognosis.

段永壮， 余占洪，黄媛霞，李爱国，施新革目的探讨急性脊髓损伤后脑脊液中兴奋性氨基酸含量变化与脊髓功能恢复的关系及其对预后的影响。