P21 protein (Cdc42/Rac)-activated kinase 4
Kinase structure
Kinase:PAK4
Family:STE20
Group:STE
Species:HUMAN
IUPHAR/BPS ID:2136
PDB:4XBR
sc-PDB:
KIDFamMap:Search
Release date:2015-12-02
PubMed: 26607847
Chain:A
Orthosteric ligand:ATP
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):52.8° (16.2Å)
G-rich loop rotation:55.8°
Quality Score:8
Resolution:2.94 Å
Missing Residues:0
Missing Atoms:0
Ligand binding mode
PocketsSubpockets
front

Pocket alignment
Uniprot sequence:IKIGEGSTGIVCIVAVKKMLLFNEVVIMRDYQENVVEMYNSWVVMEFLEGGALTDIVTHVLHAQGVIHRDIKSDSILLLSDFGFC
Sequence structure:IKIGEGSTGIVCIVAVKKMLLFNEVVIMRDYQENVVEMYNSWVVMEFLEGGALTDIVTHVLHAQGVIHRDIKSDSILLLSDFGFC

Ligand affinity
ChEMBL ID:CHEMBL14249
Bioaffinities: 4 records for 2 kinases
Species Kinase (ChEMBL naming) Median Min Max Type Records
Homo sapiensMAP kinase-activated protein kinase 25.24.95.6pIC503
Homo sapiensMitogen-activated protein kinase kinase kinase 75.65.65.6pKd1


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 I
325
2 K
326
3 I
327
4 G
328
5 E
329
6 G
330
7 S
331
8 T
332
9 G
333
10 I
334
11 V
335
12 C
336
13 I
337
14 V
347
15 A
348
16 V
349
17 K
350
18 K
351
19 M
352
20 L
362
αC b.l IV
21 L
363
22 F
364
23 N
365
24 E
366
25 V
367
26 V
368
27 I
369
28 M
370
29 R
371
30 D
372
31 Y
373
32 Q
374
33 E
376
34 N
377
35 V
378
36 V
379
37 E
380
38 M
381
39 Y
382
40 N
383
IV V GK hinge linker αD αE
41 S
384
42 W
392
43 V
393
44 V
394
45 M
395
46 E
396
47 F
397
48 L
398
49 E
399
50 G
400
51 G
401
52 A
402
53 L
403
54 T
404
55 D
405
56 I
406
57 V
407
58 T
408
59 H
409
60 V
430
αE VI c.l VII VIII x
61 L
431
62 H
432
63 A
433
64 Q
434
65 G
435
66 V
436
67 I
437
68 H
438
69 R
439
70 D
440
71 I
441
72 K
442
73 S
443
74 D
444
75 S
445
76 I
446
77 L
447
78 L
448
79 L
456
80 S
457
DFG a.l
81 D
458
82 F
459
83 G
460
84 F
461
85 C
462

Interaction pattern search
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