? The answer depends on the context of the sentence.
'Fitting key' can be used in written English but its meaning may vary depending on the context. For example, you could use it in the sentence "He inserted the fitting key into the lock and opened the door."
A comparison of these two structures and the utilisation of hybrid methods based upon ternary structure prediction and flexible fitting provide key insights into the structure of the OL in its native state, into the position and structure of the N-terminal domains of TraO/VirB9 and TraF/VirB10 in the IL and their links with the OL.
Like a key fitting perfectly into a lock, the inhibitors jam up the enzyme, rendering it ineffectual.
And how fitting: link the key to history's biggest fraud, el Senñor Guevara.
In humans, just like other brain signalling chemicals, the compound triggers changes by locking onto receptors on the surfaces of target cells - like a key fitting into a lock.
As this section of the paper is about clarifying crystallographic core concepts that are often misunderstood by the wider scientific community, it is fitting to recall key differences between lattice points and atoms or groups of atoms, in footnote 5. Note that the primitive sub-units and the centered (i.e., conventional [25]) unit cells possess the same space symmetry.
It was like a key fitting a lock, the grainy, points of the gravel massaging the soles of my feet.
Proteins must have the correct shape to function properly, as they often work by binding to other proteins or molecules much like a key fitting into a lock.
Folding into the correct shape is crucial for a protein to function properly because many proteins work by binding to certain other proteins or molecules, like a key fitting into a lock.
A protein's shape is often important for defining what that protein can do, as often other molecules must bind to proteins much like a key fitting into a lock.
