This story reveals arare glimpse into the reality behind the closed doors of a highly secretive and PR-obsessed corporation, where information is tightly controlled.
For instance, is the binding site just arare variant, or does it contain mutations that have reduced the information so much that the protein can no longer recognise it?
Among the exhibits at Crossrail's visitor information centre in St Giles High Street are medieval human bones found at Liverpool Street, arare amber find and a piece of mammoth jaw bone.
But the undercutting of business support services is not arare occurrence and there are numerous ways of getting away with it, according to the senior executive of a large information technology services company who wished to remain anonymous.