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SMTL ID : 9ixb.1
Structure of tubulin and nitrogen-containing heterocyclic substituted podophyllotoxin derivatives complex
Coordinates
PDB Format
Compare
Method
X-RAY DIFFRACTION 3.48 Å
Oligo State
hetero-2-2-1-1-mer
Ligands
2 x
GTP
:
GUANOSINE-5'-TRIPHOSPHATE
(Non-covalent)
GTP.1:
25 residues within 4Å:
Chain A:
G.10
,
Q.11
,
A.12
,
Q.15
,
D.69
,
D.98
,
A.99
,
A.100
,
N.101
,
S.140
,
G.143
,
G.144
,
T.145
,
G.146
,
V.177
,
S.178
,
T.179
,
E.183
,
N.206
,
Y.224
,
N.228
,
I.231
Chain B:
K.252
Ligands:
MG.3
,
01.7
22
PLIP interactions
:
21 interactions with chain A
,
1 interactions with chain B
Hydrogen bonds:
A:Q.11
,
A:A.12
,
A:D.98
,
A:D.98
,
A:A.99
,
A:A.100
,
A:N.101
,
A:N.101
,
A:S.140
,
A:G.143
,
A:G.144
,
A:T.145
,
A:G.146
,
A:S.178
,
A:E.183
,
A:N.206
,
A:N.206
,
A:N.228
,
A:N.228
pi-Stacking:
A:Y.224
,
A:Y.224
Salt bridges:
B:K.252
GTP.10:
22 residues within 4Å:
Chain C:
G.10
,
Q.11
,
A.12
,
Q.15
,
D.98
,
A.99
,
A.100
,
N.101
,
S.140
,
G.143
,
G.144
,
T.145
,
G.146
,
I.171
,
V.177
,
E.183
,
N.206
,
Y.224
,
N.228
,
I.231
Chain D:
K.252
Ligands:
MG.12
19
PLIP interactions
:
17 interactions with chain C
,
2 interactions with chain D
Hydrogen bonds:
C:Q.11
,
C:A.12
,
C:Q.15
,
C:A.99
,
C:N.101
,
C:S.140
,
C:G.143
,
C:G.144
,
C:T.145
,
C:G.146
,
C:V.177
,
C:T.179
,
C:E.183
,
C:N.206
,
C:N.206
,
C:N.228
,
C:N.228
Salt bridges:
D:K.252
,
D:K.252
1 x
EDO
:
1,2-ETHANEDIOL
(Non-functional Binders)
EDO.2:
2 residues within 4Å:
Chain A:
E.196
,
D.199
No protein-ligand interaction detected (PLIP)
3 x
MG
:
MAGNESIUM ION
(Non-functional Binders)
(Non-covalent)
MG.3:
1 residues within 4Å:
Ligands:
GTP.1
No protein-ligand interaction detected (PLIP)
MG.9:
2 residues within 4Å:
Chain B:
Q.11
Ligands:
GDP.8
No protein-ligand interaction detected (PLIP)
MG.12:
2 residues within 4Å:
Chain D:
K.252
Ligands:
GTP.10
No protein-ligand interaction detected (PLIP)
1 x
CA
:
CALCIUM ION
(Non-covalent)
CA.4:
7 residues within 4Å:
Chain A:
D.39
,
T.41
,
G.44
,
F.49
,
N.50
,
E.55
,
H.61
3
PLIP interactions
:
3 interactions with chain A
Metal complexes:
A:D.39
,
A:T.41
,
A:G.44
1 x
NA
:
SODIUM ION
(Non-functional Binders)
NA.5:
0 residues within 4Å:
(No contacts)
No protein-ligand interaction detected (PLIP)
1 x
MES
:
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
(Non-covalent)
MES.6:
9 residues within 4Å:
Chain B:
R.156
,
P.160
,
D.161
,
R.162
,
I.163
,
M.164
,
N.195
,
D.197
,
R.251
1
PLIP interactions
:
1 interactions with chain B
Salt bridges:
B:R.251
1 x 01:
(5~{S},5~{a}~{S},8~{a}~{R},9~{R})-5-(1~{H}-indazol-5-ylamino)-9-(3,4,5-trimethoxyphenyl)-5~{a},6,8~{a},9-tetrahydro-5~{H}-[2]benzofuro[6,5-f][1,3]benzodioxol-8-one
01.7:
28 residues within 4Å:
Chain A:
N.101
,
S.178
,
T.179
,
A.180
,
V.181
,
E.183
Chain B:
Y.200
,
G.235
,
V.236
,
C.239
,
L.240
,
L.246
,
A.248
,
D.249
,
K.252
,
L.253
,
N.256
,
M.257
,
T.312
,
V.313
,
A.314
,
A.315
,
I.316
,
N.348
,
V.349
,
K.350
,
I.368
Ligands:
GTP.1
9
PLIP interactions
:
2 interactions with chain A
,
7 interactions with chain B
Hydrophobic interactions:
A:A.180
,
B:A.248
,
B:K.252
,
B:L.253
,
B:N.256
,
B:K.350
Hydrogen bonds:
A:N.101
,
B:D.249
,
B:N.256
2 x
GDP
:
GUANOSINE-5'-DIPHOSPHATE
(Non-covalent)
GDP.8:
20 residues within 4Å:
Chain B:
G.10
,
Q.11
,
C.12
,
Q.15
,
N.99
,
S.138
,
G.141
,
G.142
,
T.143
,
G.144
,
V.169
,
P.171
,
V.175
,
D.177
,
E.181
,
N.204
,
Y.222
,
L.225
,
N.226
Ligands:
MG.9
15
PLIP interactions
:
15 interactions with chain B
Hydrogen bonds:
B:Q.11
,
B:Q.11
,
B:C.12
,
B:N.99
,
B:S.138
,
B:G.142
,
B:T.143
,
B:T.143
,
B:G.144
,
B:V.175
,
B:E.181
,
B:N.204
,
B:N.204
,
B:N.226
,
B:N.226
GDP.13:
16 residues within 4Å:
Chain D:
G.10
,
Q.11
,
C.12
,
Q.15
,
N.99
,
S.138
,
G.141
,
G.142
,
T.143
,
G.144
,
V.175
,
D.177
,
N.204
,
Y.222
,
L.225
,
N.226
12
PLIP interactions
:
12 interactions with chain D
Hydrogen bonds:
D:Q.11
,
D:Q.11
,
D:C.12
,
D:S.138
,
D:G.141
,
D:G.142
,
D:T.143
,
D:G.144
,
D:N.204
,
D:N.204
,
D:N.226
,
D:N.226
1 x
IMD
:
IMIDAZOLE
(Non-covalent)
IMD.11:
3 residues within 4Å:
Chain C:
Y.262
,
R.264
,
I.265
1
PLIP interactions
:
1 interactions with chain C
Hydrogen bonds:
C:R.264
1 x
ACP
:
PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER
(Non-covalent)
ACP.14:
5 residues within 4Å:
Chain F:
Q.183
,
K.184
,
Y.185
,
L.186
,
N.333
3
PLIP interactions
:
3 interactions with chain F
Hydrogen bonds:
F:K.184
,
F:L.186
,
F:N.333
Links
RCSB
PDBe
PDBe-KB
PDBj
PDBsum
CATH
PLIP
Citation
Bi, J., Structure of tubulin and nitrogen-containing heterocyclic substituted podophyllotoxin derivatives complex. To Be Published
Release Date
2025-07-30
Peptides
Detyrosinated tubulin alpha-1B chain:
A
C
Tubulin beta chain:
B
D
Stathmin-4:
E
Tubulin--tyrosine ligase:
F
SMTL:PDB
SMTL Chain Id:
PDB Chain Id:
A
A
C
C
B
B
D
D
E
E
F
F
Export Alignment
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PNG Image
Secondary Structure
None
DSSP
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Chain
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2° Structure
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Detyrosinated tubulin alpha-1B chain
Tubulin beta chain
Stathmin-4
Tubulin--tyrosine ligase
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5gon.1
|
5lp6.1
|
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6gze.1
|
6i5c.1
|
6s9e.1
|
7e4p.1
|
7e4q.1
|
7e4r.1
|
7e4y.1
|
7e4z.1
|
7jfr.1
|
8clb.1
|
8clc.1
|
8cle.1
|
8clf.1
|
8clg.1
|
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|
8wmo.1
|
8wmu.1
|
8yem.1
|
8yer.1
|
8yeu.1
|
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|
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|
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Cartoon
Cartoon
Tube
Trace
Lines
Ball+Stick
Licorice
Hyperball
Rope
Surface
Spacefill
Outline
Fog
Background
Transparent
Resolution
Low
Medium
High
Extreme