There are four globin subunits, typically two alpha and two beta, and each one has its own heme group.

它含有四球蛋白亚基，通常是2α亚基和2β亚基，每亚基都含有血红素分子。

They're made up of multiple subunits of an organic molecule called isoprene, which has five carbon atoms.

它们是由多有机分子亚基成的，含有碳原子的异戊二烯。

When cholera enterotoxin enters the epithelial cells, it leads to the ADP-ribosylation of the Gs alpha subunit of G-protein.

当霍乱肠毒素进入上皮胞时，它会导致G蛋白的Gs-α亚基的ADP-核糖基化。

Recombinant protein subunit vaccine does not need a high-grade biosafety laboratory for manufacture, and can quickly achieve large-scale production.

亚单位蛋白疫苗不需要高等级的生物安全实验室进行生产，可以快速实现规模化生产。

There are 4 globin subunits, typically two alpha and two beta, and each one has its own heme group.

它有4亚基，典型的为两α亚基和两β亚基，每一都有对应的血红素。

These subunits can be arranged in a line, or form rings, or both, leading to a diverse collection of over 30,000 known compounds.

这些亚基被成线性或者是环形，或者是两者皆有，形成了如今超过三万种已知的化合物。

Each hemoglobin molecule is made of four subunits, each containing a heme group that can bind one molecule of oxygen.

每血红蛋白分子由四亚基成，每亚基都包含一可以结合一氧分子的血红素基团。

This heme is a large molecule that’s made up of four pyrrole subunits that forms a ring, and this structure is called a porphyrin.

血红素是大分子，由四吡咯亚基形成环形，这结构叫作卟啉。

This heme is a large molecule that's made up of four pyrrole subunits that form a ring, and this structure is called a porphyrin.

血红素是一由4吡咯亚基形成的环状大分子，这种结构称之为卟啉。

All right! As a quick recap: sickle cell disease is an autosomal recessive genetic disease where the beta-globin subunit of hemoglobin is misshapen, which causes red blood cells to sickle when deoxygenated.

好！简要回顾一下：镰状胞病，是常染色体隐性遗传病，其中血红蛋白的β-珠蛋白发生突变，脱氧情况下会导致红胞镰变。