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4U20
Crystal structure of the E. coli ribosome bound to flopristin.
This is a
non-PDB format compatible
entry.
Chains
Entity
Asym IDs
Number of Exact matches
1
A
BB
569
2
B
CB
205
3
C
DB
213
4
D
EB
639
5
E
FB
616
6
F
GB
605
7
G
HB
608
8
H
IB
644
9
I
JB
612
10
J
KB
614
11
K
LB
522
12
L
MB
433
13
M
NB
605
14
N
OB
556
15
O
PB
600
16
P
QB
622
17
Q
RB
625
18
R
SB
619
19
S
TB
610
20
T
UB
622
21
U
VB
72
22
V
WB
379
23
W
XB
542
24
X
YB
684
25
Y
ZB
722
26
AC
Z
725
27
AA
BC
641
28
BA
CC
629
29
CA
DC
613
30
DA
EC
378
31
EA
FC
713
32
FA
GC
646
33
GA
HC
702
34
HA
IC
466
35
IA
JC
639
36
JA
KC
641
37
KA
LC
657
38
LA
MC
666
39
MA
NC
692
40
NA
OC
700
41
OA
PC
643
42
PA
QC
657
43
QA
RC
644
44
RA
SC
658
45
SA
TC
623
46
TA
UC
669
47
UA
VC
663
48
VA
WC
693
49
WA
XC
609
50
XA
YC
682
51
YA
ZC
622
52
AD
ZA
599
53
AB
86
Click on a chain to show homologues chains within the PDB.
Click on an exact match to show the superposition between a chain and a match.
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253389
PDB entries from 2026-05-13