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by
Ciro Santilli
(
@cirosantilli,
37
)
Insulin
...
Biology
Level of organization of bodies
Molecular biology
Protein
Type of protein
Peptide hormone
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Updated
2025-07-11
+
Created
2025-06-17
See my version
Tags:
Model protein
Studying
insulin
reveals some really cool
protein
motifs of
life
:
both the
A chain
and
B chain
are
transcribed
from
a
single
gene
. The resulting
peptide
also contain:
the
C-peptide
in the middle which gets removed
a
signaling
sequence
telling the
cell
to export the substance out
as
it is
a
hormone
Figure 1.
Primary structure of insulin
.
Source
.
Table of contents
Proinsulin
Insulin
A chain of insulin
Insulin
B chain of insulin
Insulin
C-peptide
Insulin
Proinsulin
0
0
0
Insulin
A chain of insulin
(21 amino acids)
0
0
0
Insulin
B chain of insulin
(30 amino acids)
0
0
0
Insulin
C-peptide
(31 amino acids)
0
0
0
Insulin
Tagged
(1)
1958 Nobel Prize in Chemistry
Ancestors
(9)
Peptide hormone
Type of protein
Protein
Molecular biology
Level of organization of bodies
Biology
Natural science
Science
Home
Incoming links
(3)
Insulin
Model protein
The Amino-acid Sequence in the Phenylalanyl Chain of Insulin
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