Why would this purification procedure be applied to RaTG13’s sample but not any of the other samples of the same type and uploaded around the same time?
2. Mutations in the Spike protein of RaTG13
This recent paper argues that mutation from T to R at position 403 in RaTG13’s spike is essential for allowing it to infect human cells:
Spike residue 403 affects binding of coronavirus spikes to human ACE2
Logically therefore, were "they" to generate a consensus sequence virus (even within the RsYN06-RaTG13 clade) as has been suggested by some, it would surely have an R at that position...
Position 403
Without knowing what "they" have (or "had") in their dearly missed database, which may have been used to generate a consensus sequence, we can’t know what sequence it would produce.
but we can be reasonably sure that it would have an R, not a T at position 403...
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1. Heinz Felfe was head of the Soviet counter-intelligence Department & ran a long running project called "Panoptikum" to uncover a high level "mole" within the West German Intelligence Service...
In the end, the target of "Panoptikum" would turn out to be Heinz Felfe himself!
2. His Memoirs (in German)
Heinz Felfe published his memoir in 1986 under the title "In the Service of the enemy: Ten years as Moscow's man in the Federal Intelligence Service"
"During initial stages of a forensic investigation of Wuhan Labs, all 4 evaluation tools including Grunow & Finke's epidemiological assessment criteria would be useful adjuncts to the investigation framework of Pilch et al."
"The Radosavljevic–Belojevic method for outbreak scoring & differentiation shows that official assumptions of its natural origin is questionable & highlights the probability that the pathogen was "accidentally" introduced to humans"
@tgof137 @Rebecca21951651 @_everythingism @AtomsksSanakan @CallumJCParr @jhas5 1. It is best to do your own reading & consult the research of others, such as #DRASTIC, who published all the most accurate details on labs, locations, engineering flaws, viral databases, field sampling of bats, lack of proper biosafety, etc. years ago: