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Helix-turn-
helix is a DNA-binding
domain (DBD). The
helix-turn-
helix (HTH) is a
major structural motif capable of
binding DNA. Each
monomer incorporates...
- A
helix (/ˈhiːlɪks/; pl. helices) is a
shape like a
cylindrical coil
spring or the
thread of a
machine ****. It is a type of
smooth space curve with...
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Helix is a
genus of large, air-breathing land
snails native to the
western Palaearctic and
characterized by a
globular s****. It is the type
genus of...
- The
Helix Nebula (also
known as NGC 7293 or
Caldwell 63) is a
planetary nebula (PN)
located in the
constellation Aquarius.
Discovered by Karl
Ludwig Harding...
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common names are
bindwood and lovestone.
Hedera helix is an
evergreen climbing plant,
growing to 20–30
m (66–98 ft) high
where suitable surfaces (trees...
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Helix pomatia,
known as the
Roman snail,
Burgundy snail, or escargot, is a
species of large, air-breathing
stylommatophoran land
snail native to Europe...
- A
basic helix–loop–
helix (bHLH) is a
protein structural motif that
characterizes one of the
largest families of
dimerizing transcription factors. The word...
- In
molecular biology, the term
double helix refers to the
structure formed by double-stranded
molecules of
nucleic acids such as DNA. The
double helical...
- An
alpha helix (or α-
helix) is a
sequence of
amino acids in a
protein that are
twisted into a coil (a
helix). The
alpha helix is the most
common structural...
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Helix lucorum is a
species of large, edible, air-breathing land snail, a
terrestrial pulmonate gastropod mollusk in the
family Helicidae, the typical...