Eukaryotic translation initiation factor 2 alpha kinase 3
Kinase structure
Kinase:EIF2AK3 (PEK)
Family:PEK
Group:Other
Species:HUMAN
IUPHAR/BPS ID:2017
PDB:4X7K
sc-PDB:
KIDFamMap:Search
Release date:2015-01-28
PubMed: 25587754
Chain:A
(Alternate) Model:B
Orthosteric ligand:3Z3
2D structure of the orthosteric ligand
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The orthosteric binding pocket


More entries for 4X7K
4X7KAlternative model: AChain: A


Structural information
DFG conformation:out
αC-helix conformation:out
G-rich loop angle (distance):54.3° (16.7Å)
G-rich loop rotation:49.1°
Quality Score:8.8
Resolution:1.8 Å
Missing Residues:0
Missing Atoms:4
Ligand binding mode
PocketsSubpocketsWaters
front
gate
back
BP-I-A
BP-I-B
BP-II-out
BP-V
Cluster
O2
Ligand
No
Protein
Yes

Pocket alignment
Uniprot sequence:QCLGRGGFGVVFEYAIKRIKVMREVKALAKLEPGIVRYFNAYIQMQLCRKENLKDWMNGFLHSKGLMHRDLKPSNIFFVGDFGLV
Sequence structure:QCLGRGGFGVVFEYAIKRIKVMREVKALAKLEPGIVRYFNAYIQMQLCRKENLKDWMNGFLHSKGLMHRNLKPSNIFFVGDFGLV

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
597
2 C
598
3 L
599
4 G
600
5 R
601
6 G
602
7 G
603
8 F
604
9 G
605
10 V
606
11 V
607
12 F
608
13 E
609
14 Y
619
15 A
620
16 I
621
17 K
622
18 R
623
19 I
624
20 K
635
αC b.l IV
21 V
636
22 M
637
23 R
638
24 E
639
25 V
640
26 K
641
27 A
642
28 L
643
29 A
644
30 K
645
31 L
646
32 E
647
33 P
649
34 G
650
35 I
651
36 V
652
37 R
653
38 Y
654
39 F
655
40 N
656
IV V GK hinge linker αD αE
41 A
657
42 Y
885
43 I
886
44 Q
887
45 M
888
46 Q
889
47 L
890
48 C
891
49 R
892
50 K
893
51 E
894
52 N
895
53 L
896
54 K
897
55 D
898
56 W
899
57 M
900
58 N
901
59 G
902
60 F
927
αE VI c.l VII VIII x
61 L
928
62 H
929
63 S
930
64 K
931
65 G
932
66 L
933
67 M
934
68 H
935
69 R
936
70 N
937
71 L
938
72 K
939
73 P
940
74 S
941
75 N
942
76 I
943
77 F
944
78 F
945
79 V
953
80 G
954
DFG a.l
81 D
955
82 F
956
83 G
957
84 L
958
85 V
959

Interaction pattern search
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