Checkpoint kinase 1
Kinase structure
Kinase:CHEK1 (CHK1)
Family:CAMKL
Group:CAMK
Species:HUMAN
IUPHAR/BPS ID:1987
PDB:4FTM
sc-PDB:
KIDFamMap:Search
Release date:2012-08-22
Chain:A
(Alternate) Model:C
Orthosteric ligand:1HK
2D structure of the orthosteric ligand
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The orthosteric binding pocket


More entries for 4FTM
4FTMAlternative model: AChain: A
4FTMAlternative model: BChain: A


Structural information
DFG conformation:na
αC-helix conformation:in
G-rich loop angle (distance):-
G-rich loop rotation:-
Quality Score:6
Resolution:1.9 Å
Missing Residues:5
Missing Atoms:25
Ligand binding mode
PocketsSubpocketsWaters
front
gate
back
BP-I-B
BP-II-A-in
Cluster
I1
I3
Ligand
No
No
Protein
Yes
No

Pocket alignment
Uniprot sequence:QTLGEGAYGEVQLVAVKIVNIKKEICINKMLNENVVKFYGHYLFLEYCSGGELFDRIEPYLHGIGITHRDIKPENLLLISDFGLA
Sequence structure:QTLGE_____VQLVAVKIVNIKKEICINKMLNENVVKFYGHYLFLEYCSGGELFDRIEPYLHGIGITHRDIKPENLLLISDFGLA

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 Q
13
2 T
14
3 L
15
4 G
16
5 E
22
6 _
_
7 _
_
8 _
_
9 _
_
10 _
_
11 V
23
12 Q
24
13 L
25
14 V
35
15 A
36
16 V
37
17 K
38
18 I
39
19 V
40
20 N
51
αC b.l IV
21 I
52
22 K
53
23 K
54
24 E
55
25 I
56
26 C
57
27 I
58
28 N
59
29 K
60
30 M
61
31 L
62
32 N
63
33 E
65
34 N
66
35 V
67
36 V
68
37 K
69
38 F
70
39 Y
71
40 G
72
IV V GK hinge linker αD αE
41 H
73
42 Y
81
43 L
82
44 F
83
45 L
84
46 E
85
47 Y
86
48 C
87
49 S
88
50 G
89
51 G
90
52 E
91
53 L
92
54 F
93
55 D
94
56 R
95
57 I
96
58 E
97
59 P
98
60 Y
120
αE VI c.l VII VIII x
61 L
121
62 H
122
63 G
123
64 I
124
65 G
125
66 I
126
67 T
127
68 H
128
69 R
129
70 D
130
71 I
131
72 K
132
73 P
133
74 E
134
75 N
135
76 L
136
77 L
137
78 L
138
79 I
146
80 S
147
DFG a.l
81 D
148
82 F
149
83 G
150
84 L
151
85 A
152

Interaction pattern search
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