Biomedical Engineering Reference
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a
Head
b
ES9
CP
Platform
Body
ES6
60S
ES41
40S
40S
ES3
c
18S
25S
ES9
ES7
ES24
ES19
ES31
ES6
ES27
ES26
5'
ES12
5.8S
3'
ES39
5'
b
3'
ES3
5'
3'
ES4
5S
b
ES12
ES9
ES5
a
5'
ES41
ES7
3'
ES3
a
d
B7a
B2b
B2c
B7b
eB13
B1b
B7a
B2b
B2c
B7b
eB13
B1a
B2a
B3
B5
B4
eB11
B4
eB11
B8
B6
eB14
eB12
eB12
B9
eB10
Fig. 1.8
X-ray structure of the 80S ribosome from
Saccharomyces cerevisiae
. (
a
) View from the E
site. Proteins and rRNA in the 40S subunit are colored in
dark
and
light blue
, respectively, and in
dark
and
pale yellow
, respectively, in the 60S subunit (this color scheme will be maintained in all follow-
ing figures unless otherwise indicated). Expansion segment are colored in
red
. (
b
) View from the A
site. (
c
) Secondary structure diagram of 18S rRNA in
blue
, 5S rRNA in
brown
, 25S rRNA in
yellow
,
and 5.8S in
dark red
, showing expansion segments in
red
. (
d
) Interface views of the 60S and 40S
subunits with bridges numbered essentially as previously (Yusupov et al.
2001
), and colored in
red
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