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Search by protein name, UniProt number, IPI number, or 15 AA P-site sequence.
Updated November 2019
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Protein Info
Short Name:
eIF4B
Full Name:
Eukaryotic translation initiation factor 4B
Alias:
EIF-4B; IF4B
Type:
Protein synthesis protein
Mass (Da):
69151
Number AA:
611
UniProt ID:
P23588
International Prot ID:
IPI00012079
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
GO:0005829
GO:0016281
Uniprot
OncoNet
Molecular Function:
GO:0003723
GO:0000166
GO:0003743
PhosphoSite+
KinaseNET
Biological Process:
GO:0006446
GO:0006412
Phosida
TranscriptoNet
STRING
Kinexus Products
Info Box
A variety of parameters were considered in the selection of putative P-sites. Confirmed P-Sites have lower Hydrophobicity Scores. The P-site Similarity Score is lower the more that it resembles typical confirmed corresponding P-Ser, P-Thr or P-Tyr sites. The Maximum KInase Score provides the calculated score for highest match of 500 human protein kinases for the amino acid sequence surrounding the target P-site as determined with Kinase Substrate Predictor V2. The Sum KInase Score provides the additive sum of the positive individual Kinase Substrate Predictor V2 scores from 500 human protein kinases. The Conservation Score is the average of the percent similarity of the human P-site with the equivalent P-site in 20 other diverse species. Click the coloured buttons below to retrieve this and other information in the Info Box, or click the orange buttons for relevant links.
Phosphosites
-7
-6
-5
-4
-3
-2
-1
0
1
2
3
4
5
6
7
Expt. conf.
Effect
Kinase
PPase
Kinexus Products
Ref.
Evol.
Kinase Pred.
P-site Match
Site 1
T14
K
K
N
K
K
G
K
T
I
S
L
T
D
F
L
Site 2
S16
N
K
K
G
K
T
I
S
L
T
D
F
L
A
E
Site 3
T18
K
G
K
T
I
S
L
T
D
F
L
A
E
D
G
Site 4
T27
F
L
A
E
D
G
G
T
G
G
G
S
T
Y
V
Site 5
S31
D
G
G
T
G
G
G
S
T
Y
V
S
K
P
V
Site 6
T32
G
G
T
G
G
G
S
T
Y
V
S
K
P
V
S
Site 7
Y33
G
T
G
G
G
S
T
Y
V
S
K
P
V
S
W
Site 8
S35
G
G
G
S
T
Y
V
S
K
P
V
S
W
A
D
Site 9
S39
T
Y
V
S
K
P
V
S
W
A
D
E
T
D
D
Site 10
T44
P
V
S
W
A
D
E
T
D
D
L
E
G
D
V
Site 11
S52
D
D
L
E
G
D
V
S
T
T
W
H
S
N
D
Site 12
T53
D
L
E
G
D
V
S
T
T
W
H
S
N
D
D
Site 13
S57
D
V
S
T
T
W
H
S
N
D
D
D
V
Y
R
Site 14
Y63
H
S
N
D
D
D
V
Y
R
A
P
P
I
D
R
Site 15
S71
R
A
P
P
I
D
R
S
I
L
P
T
A
P
R
Site 16
T75
I
D
R
S
I
L
P
T
A
P
R
A
A
R
E
Site 17
S88
R
E
P
N
I
D
R
S
R
L
P
K
S
P
P
Site 18
S93
D
R
S
R
L
P
K
S
P
P
Y
T
A
F
L
Site 19
Y96
R
L
P
K
S
P
P
Y
T
A
F
L
G
N
L
Site 20
T97
L
P
K
S
P
P
Y
T
A
F
L
G
N
L
P
Site 21
Y105
A
F
L
G
N
L
P
Y
D
V
T
E
E
S
I
Site 22
T108
G
N
L
P
Y
D
V
T
E
E
S
I
K
E
F
Site 23
S111
P
Y
D
V
T
E
E
S
I
K
E
F
F
R
G
Site 24
S122
F
F
R
G
L
N
I
S
A
V
R
L
P
R
E
Site 25
S131
V
R
L
P
R
E
P
S
N
P
E
R
L
K
G
Site 26
Y141
E
R
L
K
G
F
G
Y
A
E
F
E
D
L
D
Site 27
S152
E
D
L
D
S
L
L
S
A
L
S
L
N
E
E
Site 28
S155
D
S
L
L
S
A
L
S
L
N
E
E
S
L
G
Site 29
S183
D
K
D
R
D
D
R
S
F
G
R
D
R
N
R
Site 30
S192
G
R
D
R
N
R
D
S
D
K
T
D
T
D
W
Site 31
T195
R
N
R
D
S
D
K
T
D
T
D
W
R
A
R
Site 32
T197
R
D
S
D
K
T
D
T
D
W
R
A
R
P
A
Site 33
T205
D
W
R
A
R
P
A
T
D
S
F
D
D
Y
P
Site 34
S207
R
A
R
P
A
T
D
S
F
D
D
Y
P
P
R
Site 35
Y211
A
T
D
S
F
D
D
Y
P
P
R
R
G
D
D
Site 36
S219
P
P
R
R
G
D
D
S
F
G
D
K
Y
R
D
Site 37
Y224
D
D
S
F
G
D
K
Y
R
D
R
Y
D
S
D
Site 38
Y228
G
D
K
Y
R
D
R
Y
D
S
D
R
Y
R
D
Site 39
S230
K
Y
R
D
R
Y
D
S
D
R
Y
R
D
G
Y
Site 40
Y233
D
R
Y
D
S
D
R
Y
R
D
G
Y
R
D
G
Site 41
Y237
S
D
R
Y
R
D
G
Y
R
D
G
Y
R
D
G
Site 42
Y241
R
D
G
Y
R
D
G
Y
R
D
G
P
R
R
D
Site 43
Y252
P
R
R
D
M
D
R
Y
G
G
R
D
R
Y
D
Site 44
Y258
R
Y
G
G
R
D
R
Y
D
D
R
G
S
R
D
Site 45
S263
D
R
Y
D
D
R
G
S
R
D
Y
D
R
G
Y
Site 46
Y266
D
D
R
G
S
R
D
Y
D
R
G
Y
D
S
R
Site 47
Y270
S
R
D
Y
D
R
G
Y
D
S
R
I
G
S
G
Site 48
S272
D
Y
D
R
G
Y
D
S
R
I
G
S
G
R
R
Site 49
S276
G
Y
D
S
R
I
G
S
G
R
R
A
F
G
S
Site 50
S283
S
G
R
R
A
F
G
S
G
Y
R
R
D
D
D
Site 51
Y285
R
R
A
F
G
S
G
Y
R
R
D
D
D
Y
R
Site 52
Y291
G
Y
R
R
D
D
D
Y
R
G
G
G
D
R
Y
Site 53
Y298
Y
R
G
G
G
D
R
Y
E
D
R
Y
D
R
R
Site 54
Y302
G
D
R
Y
E
D
R
Y
D
R
R
D
D
R
S
Site 55
S309
Y
D
R
R
D
D
R
S
W
S
S
R
D
D
Y
Site 56
S311
R
R
D
D
R
S
W
S
S
R
D
D
Y
S
R
Site 57
S312
R
D
D
R
S
W
S
S
R
D
D
Y
S
R
D
Site 58
Y316
S
W
S
S
R
D
D
Y
S
R
D
D
Y
R
R
Site 59
S317
W
S
S
R
D
D
Y
S
R
D
D
Y
R
R
D
Site 60
Y321
D
D
Y
S
R
D
D
Y
R
R
D
D
R
G
P
Site 61
S340
K
L
N
L
K
P
R
S
T
P
K
E
D
D
S
Site 62
T341
L
N
L
K
P
R
S
T
P
K
E
D
D
S
S
Site 63
S347
S
T
P
K
E
D
D
S
S
A
S
T
S
Q
S
Site 64
S348
T
P
K
E
D
D
S
S
A
S
T
S
Q
S
T
Site 65
S350
K
E
D
D
S
S
A
S
T
S
Q
S
T
R
A
Site 66
T351
E
D
D
S
S
A
S
T
S
Q
S
T
R
A
A
Site 67
S352
D
D
S
S
A
S
T
S
Q
S
T
R
A
A
S
Site 68
S354
S
S
A
S
T
S
Q
S
T
R
A
A
S
I
F
Site 69
S359
S
Q
S
T
R
A
A
S
I
F
G
G
A
K
P
Site 70
T369
G
G
A
K
P
V
D
T
A
A
R
E
R
E
V
Site 71
S406
R
P
R
E
R
H
P
S
W
R
S
E
E
T
Q
Site 72
S409
E
R
H
P
S
W
R
S
E
E
T
Q
E
R
E
Site 73
T412
P
S
W
R
S
E
E
T
Q
E
R
E
R
S
R
Site 74
S418
E
T
Q
E
R
E
R
S
R
T
G
S
E
S
S
Site 75
T420
Q
E
R
E
R
S
R
T
G
S
E
S
S
Q
T
Site 76
S422
R
E
R
S
R
T
G
S
E
S
S
Q
T
G
T
Site 77
S424
R
S
R
T
G
S
E
S
S
Q
T
G
T
S
T
Site 78
S425
S
R
T
G
S
E
S
S
Q
T
G
T
S
T
T
Site 79
T427
T
G
S
E
S
S
Q
T
G
T
S
T
T
S
S
Site 80
T429
S
E
S
S
Q
T
G
T
S
T
T
S
S
R
N
Site 81
S430
E
S
S
Q
T
G
T
S
T
T
S
S
R
N
A
Site 82
T431
S
S
Q
T
G
T
S
T
T
S
S
R
N
A
R
Site 83
T432
S
Q
T
G
T
S
T
T
S
S
R
N
A
R
R
Site 84
S433
Q
T
G
T
S
T
T
S
S
R
N
A
R
R
R
Site 85
S434
T
G
T
S
T
T
S
S
R
N
A
R
R
R
E
Site 86
S442
R
N
A
R
R
R
E
S
E
K
S
L
E
N
E
Site 87
S445
R
R
R
E
S
E
K
S
L
E
N
E
T
L
N
Site 88
T450
E
K
S
L
E
N
E
T
L
N
K
E
E
D
C
Site 89
S459
N
K
E
E
D
C
H
S
P
T
S
K
P
P
K
Site 90
T461
E
E
D
C
H
S
P
T
S
K
P
P
K
P
D
Site 91
S462
E
D
C
H
S
P
T
S
K
P
P
K
P
D
Q
Site 92
S488
E
N
A
W
V
K
R
S
S
N
P
P
A
R
S
Site 93
S489
N
A
W
V
K
R
S
S
N
P
P
A
R
S
Q
Site 94
S495
S
S
N
P
P
A
R
S
Q
S
S
D
T
E
Q
Site 95
S497
N
P
P
A
R
S
Q
S
S
D
T
E
Q
Q
S
Site 96
S498
P
P
A
R
S
Q
S
S
D
T
E
Q
Q
S
P
Site 97
T500
A
R
S
Q
S
S
D
T
E
Q
Q
S
P
T
S
Site 98
S504
S
S
D
T
E
Q
Q
S
P
T
S
G
G
G
K
Site 99
T506
D
T
E
Q
Q
S
P
T
S
G
G
G
K
V
A
Site 100
S507
T
E
Q
Q
S
P
T
S
G
G
G
K
V
A
P
Site 101
S518
K
V
A
P
A
Q
P
S
E
E
G
P
G
R
K
Site 102
S543
P
K
G
Q
T
G
N
S
S
R
G
P
G
D
G
Site 103
S544
K
G
Q
T
G
N
S
S
R
G
P
G
D
G
G
Site 104
S559
N
R
D
H
W
K
E
S
D
R
K
D
G
K
K
Site 105
S570
D
G
K
K
D
Q
D
S
R
S
A
P
E
P
K
Site 106
S572
K
K
D
Q
D
S
R
S
A
P
E
P
K
K
P
Site 107
S585
K
P
E
E
N
P
A
S
K
F
S
S
A
S
K
Site 108
S589
N
P
A
S
K
F
S
S
A
S
K
Y
A
A
L
Site 109
S591
A
S
K
F
S
S
A
S
K
Y
A
A
L
S
V
Site 110
Y593
K
F
S
S
A
S
K
Y
A
A
L
S
V
D
G
Site 111
S597
A
S
K
Y
A
A
L
S
V
D
G
E
D
E
N
Site 112
Y609
D
E
N
E
G
E
D
Y
A
E
_
_
_
_
_
Legend
Confirmed in mammals
Confirmed in related proteins or other species
Predicted by Kinexus P-Site Prediction algorithm
No data/link available
Link available
Products available
2019 Kinexus Bioinformatics Corporation