·
soms kan IBNA/URNA al een functie nirvoeren i .
p . v . eerst eiwil he moeten worden .
ONA wordt niet alrid eiwit /groatsle deel van her
genoom is non-coderend
, Genome organisation
The 7 sleps of ONA organisation
Step 2
:
double strand
Eit
-
wer
·2 ONA strands form a stable structure
Base pairs of
· opposing strands have to match
·A-T =
2 H-bonds .
C-6= 3 H-bonds
Step 2
:
nucleosome
The ONA complex is wrapped around a core complex
of histones .
-
-
· Histones : nucleosome
core ONA
core
ONA-binding proteins -
~
-
D↳
~
/
Highly conserved
Basic (t
Assemble octomers
charged) ,
to
in
bind-charged
nucleosomes
acid ONA
"
interdime
Different types :
H2 M2 M3 My
, , .
· H2A H2B H3 and My assemble into
, , , a core complex
Step Sibers
9808I
3 Chromatin
:
*
or
m -
W IWAIS
I
nucleosome
% I -
⑪D
C
-
↳
(
S
ONA
DW
"
C
EI⑲
-
yj
⑳
I ↳
-
-
EW -
is
-
⑮ S
C
-
core
-
11
8~ joE
chromatin
W
~Y
particle :
2xH2t
2x
2xH3
H2 B ~
mistone X
-
2x MC erora
Step 4
:
chromatid
aromatic
700nm coiled coil
300 nm
m elemen mea
coiled
chromatin
7
Siber
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