Cyclin-dependent kinase 9
Kinase structure
Kinase:CDK9
Family:CDK
Group:CMGC
Species:HUMAN
IUPHAR/BPS ID:1981
PDB:3TNH
sc-PDB:
KIDFamMap:Search
Release date:2012-02-15
PubMed: 22292676
Chain:A
Orthosteric ligand:F18
2D structure of the orthosteric ligand
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The orthosteric binding pocket
Structural information
DFG conformation:in
αC-helix conformation:in
G-rich loop angle (distance):49.4° (15.4Å)
G-rich loop rotation:32.1°
Quality Score:8
Resolution:3.2 Å
Missing Residues:0
Missing Atoms:0
Ligand binding mode
PocketsSubpockets
front
gate
BP-I-B

Pocket alignment
Uniprot sequence:AKIGQGTFGEVFKVALKKVTALREIKILQLLKENVVNLIEIYLVFDFCE-HDLAGLLSNYIHRNKILHRDMKAANVLILADFGLA
Sequence structure:AKIGQGTFGEVFKVALKKVTALREIKILQLLKENVVNLIEIYLVFDFCE_HDLAGLLSNYIHRNKILHRDMKAANVLILADFGLA

Ligand affinity
Ligand not found in ChEMBL.


Kinase-ligand interaction pattern
Hydrophobic Aromatic face-to-face Aromatic face-to-edge H-bond donor H-bond acceptor Ionic positive Ionic negative
I g.l II III αC
1 A
23
2 K
24
3 I
25
4 G
26
5 Q
27
6 G
28
7 T
29
8 F
30
9 G
31
10 E
32
11 V
33
12 F
34
13 K
35
14 V
45
15 A
46
16 L
47
17 K
48
18 K
49
19 V
50
20 T
62
αC b.l IV
21 A
63
22 L
64
23 R
65
24 E
66
25 I
67
26 K
68
27 I
69
28 L
70
29 Q
71
30 L
72
31 L
73
32 K
74
33 E
76
34 N
77
35 V
78
36 V
79
37 N
80
38 L
81
39 I
82
40 E
83
IV V GK hinge linker αD αE
41 I
84
42 Y
100
43 L
101
44 V
102
45 F
103
46 D
104
47 F
105
48 C
106
49 E
107
50 _
_
51 H
108
52 D
109
53 L
110
54 A
111
55 G
112
56 L
113
57 L
114
58 S
115
59 N
116
60 Y
139
αE VI c.l VII VIII x
61 I
140
62 H
141
63 R
142
64 N
143
65 K
144
66 I
145
67 L
146
68 H
147
69 R
148
70 D
149
71 M
150
72 K
151
73 A
152
74 A
153
75 N
154
76 V
155
77 L
156
78 I
157
79 L
165
80 A
166
DFG a.l
81 D
167
82 F
168
83 G
169
84 L
170
85 A
171

Interaction pattern search
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