最終更新日:2022/12/24
All proteinogenic amino acids (AAs) are claimed to be levorotatory (L-configured). Nevertheless, dextrorotatory AAs (D-configured) are also found in nature (Gao et al., 2015; Ollivaux et al., 2014), for example, in the organic material of extraterrestrial comets (Cronin and Pizzarello, 1983), or, formed by slow racemization, in all dead biological material.
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All
proteinogenic
amino
acids
(AAs)
are
claimed
to
be
levorotatory
(L-configured).
Nevertheless,
dextrorotatory
AAs
(D-configured)
are
also
found
in
nature
(Gao
et
al.,
2015;
Ollivaux
et
al.,
2014),
for
example,
in
the
organic
material
of
extraterrestrial
comets
(Cronin
and
Pizzarello,
1983),
or,
formed
by
slow
racemization,
in
all
dead
biological
material.