LCK proto-oncogene, Src family tyrosine kinase
Kinase structure
Kinase:LCK
Family:Src
Group:TK
Species:HUMAN
IUPHAR/BPS ID:2053
PDB:3AC5
sc-PDB:
KIDFamMap:Search
Release date:2010-06-30
Chain:A
Orthosteric ligand:KZM
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):64.4° (20Å)
G-rich loop rotation:42.9°
Quality Score:8
Resolution:2.5 Å
Missing Residues:0
Missing Atoms:0
Ligand binding mode
PocketsSubpocketsWaters
front
gate
BP-I-A
BP-I-B
Cluster
I1
Ligand
Yes
Protein
Yes

Pocket alignment
Uniprot sequence:ERLGAGQFGEVWMVAVKSLAFLAEANLMKQLQQRLVRLYAVYIITEYMENGSLVDFLKTFIEERNYIHRDLRAANILVIADFGLA
Sequence structure:ERLGAGQFGEVWMVAVKSLAFLAEANLMKQLQQRLVRLYAVYIITEYMENGSLVDFLKTFIEERNYIHRDLRAANILVIADFGLA

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 E
249
2 R
250
3 L
251
4 G
252
5 A
253
6 G
254
7 Q
255
8 F
256
9 G
257
10 E
258
11 V
259
12 W
260
13 M
261
14 V
270
15 A
271
16 V
272
17 K
273
18 S
274
19 L
275
20 A
284
αC b.l IV
21 F
285
22 L
286
23 A
287
24 E
288
25 A
289
26 N
290
27 L
291
28 M
292
29 K
293
30 Q
294
31 L
295
32 Q
296
33 Q
298
34 R
299
35 L
300
36 V
301
37 R
302
38 L
303
39 Y
304
40 A
305
IV V GK hinge linker αD αE
41 V
306
42 Y
313
43 I
314
44 I
315
45 T
316
46 E
317
47 Y
318
48 M
319
49 E
320
50 N
321
51 G
322
52 S
323
53 L
324
54 V
325
55 D
326
56 F
327
57 L
328
58 K
329
59 T
330
60 F
354
αE VI c.l VII VIII x
61 I
355
62 E
356
63 E
357
64 R
358
65 N
359
66 Y
360
67 I
361
68 H
362
69 R
363
70 D
364
71 L
365
72 R
366
73 A
367
74 A
368
75 N
369
76 I
370
77 L
371
78 V
372
79 I
380
80 A
381
DFG a.l
81 D
382
82 F
383
83 G
384
84 L
385
85 A
386

Interaction pattern search
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