A pre-tRNA intron is excised in one step 

Finally, hydrolysis of GTP and ATP is required to join the two tRNA halves generated by cleavage on either side of the intron.

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#Id: 6220

#Unit 12. Applied Biology

Adeno-associated vectors (AAV) Adeno-associated viruses (AAVs) are a group of small, single-stranded DNA viruses. The insert size for AAV is 4.5 kb, with the advantage of long-term gene expression as they integrate into chromosomal DNA.

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#Id: 8857

#Unit 2. Cellular Organization

The ATPase domains interact with the proteins

Scc1 and Scc3, which together form a cohesin ring structure which embrace one or both copies of the replicated DNA.

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#Id: 10077

#Unit 4. Cell Communication and Cell Signaling

An integrin molecule is composed of two noncovalently associated transmembrane glycoprotein subunits called α and β.

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#Id: 394

#Unit 2. Cellular Organization

Together, the two H2A.H2B dimers form the bottom part of the histone octamer located across the disc from the DNA ends

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#Id: 3866

#Unit 5. Developmental Biology

Histidine phosphatase activity of DhkA causes inactivation of RegA, the accumulation of cAMP and PKA activation, causes spore maturation.