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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:
PABPC3
Full Name:
Polyadenylate-binding protein 3
Alias:
PABP3; PABPL3; Poly (A) binding protein, cytoplasmic 3; Poly(A)-binding protein 3; Testis PABP; Testis-specific poly(A)-binding protein; TPABP
Type:
RNA binding protein
Mass (Da):
70031
Number AA:
631
UniProt ID:
Q9H361
International Prot ID:
IPI00301154
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
GO:0005737
Uniprot
OncoNet
Molecular Function:
GO:0000166
GO:0008143
PhosphoSite+
KinaseNET
Biological Process:
GO:0016071
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
T5
_
_
_
M
N
P
S
T
P
S
Y
P
T
A
S
Site 2
Y8
M
N
P
S
T
P
S
Y
P
T
A
S
L
Y
V
Site 3
S12
T
P
S
Y
P
T
A
S
L
Y
V
G
D
L
H
Site 4
Y14
S
Y
P
T
A
S
L
Y
V
G
D
L
H
P
D
Site 5
T23
G
D
L
H
P
D
V
T
E
A
M
L
Y
E
K
Site 6
Y28
D
V
T
E
A
M
L
Y
E
K
F
S
P
A
G
Site 7
S32
A
M
L
Y
E
K
F
S
P
A
G
P
I
L
S
Site 8
T48
R
I
C
R
D
L
I
T
S
G
S
S
N
Y
A
Site 9
S49
I
C
R
D
L
I
T
S
G
S
S
N
Y
A
Y
Site 10
S51
R
D
L
I
T
S
G
S
S
N
Y
A
Y
V
N
Site 11
Y54
I
T
S
G
S
S
N
Y
A
Y
V
N
F
Q
H
Site 12
Y56
S
G
S
S
N
Y
A
Y
V
N
F
Q
H
T
K
Site 13
T71
D
A
E
H
A
L
D
T
M
N
F
D
V
I
K
Site 14
S87
K
P
V
R
I
M
W
S
Q
R
D
P
S
L
R
Site 15
S92
M
W
S
Q
R
D
P
S
L
R
K
S
G
V
G
Site 16
S96
R
D
P
S
L
R
K
S
G
V
G
N
I
F
V
Site 17
S109
F
V
K
N
L
D
K
S
I
N
N
K
A
L
Y
Site 18
Y116
S
I
N
N
K
A
L
Y
D
T
V
S
A
F
G
Site 19
T118
N
N
K
A
L
Y
D
T
V
S
A
F
G
N
I
Site 20
S175
V
F
V
G
Q
F
K
S
R
K
E
R
E
A
E
Site 21
Y194
A
K
E
F
P
N
V
Y
I
K
N
F
G
E
D
Site 22
S219
G
K
F
G
P
A
L
S
V
K
V
M
T
D
E
Site 23
S227
V
K
V
M
T
D
E
S
G
K
S
K
G
F
G
Site 24
S230
M
T
D
E
S
G
K
S
K
G
F
G
F
V
S
Site 25
S237
S
K
G
F
G
F
V
S
F
E
R
H
E
D
A
Site 26
Y262
E
L
N
G
K
Q
I
Y
V
G
R
A
Q
K
K
Site 27
T274
Q
K
K
V
E
R
Q
T
E
L
K
R
T
F
E
Site 28
T279
R
Q
T
E
L
K
R
T
F
E
Q
M
K
Q
D
Site 29
T289
Q
M
K
Q
D
R
I
T
R
Y
Q
V
V
N
L
Site 30
Y291
K
Q
D
R
I
T
R
Y
Q
V
V
N
L
Y
V
Site 31
Y297
R
Y
Q
V
V
N
L
Y
V
K
N
L
D
D
G
Site 32
S315
E
R
L
R
K
A
F
S
P
F
G
T
I
T
S
Site 33
S341
G
F
G
F
V
C
F
S
S
P
E
E
A
T
K
Site 34
S342
F
G
F
V
C
F
S
S
P
E
E
A
T
K
A
Site 35
T360
M
N
G
R
I
V
A
T
K
P
L
Y
V
A
L
Site 36
Y364
I
V
A
T
K
P
L
Y
V
A
L
A
Q
R
K
Site 37
Y377
R
K
E
E
R
Q
A
Y
L
T
N
E
Y
M
Q
Site 38
T379
E
E
R
Q
A
Y
L
T
N
E
Y
M
Q
R
M
Site 39
Y382
Q
A
Y
L
T
N
E
Y
M
Q
R
M
A
S
V
Site 40
S388
E
Y
M
Q
R
M
A
S
V
R
A
V
P
N
Q
Site 41
S400
P
N
Q
R
A
P
P
S
G
Y
F
M
T
A
V
Site 42
T405
P
P
S
G
Y
F
M
T
A
V
P
Q
T
Q
N
Site 43
Y416
Q
T
Q
N
H
A
A
Y
Y
P
P
S
Q
I
A
Site 44
Y417
T
Q
N
H
A
A
Y
Y
P
P
S
Q
I
A
R
Site 45
S420
H
A
A
Y
Y
P
P
S
Q
I
A
R
L
R
P
Site 46
S428
Q
I
A
R
L
R
P
S
P
R
W
T
A
Q
G
Site 47
T432
L
R
P
S
P
R
W
T
A
Q
G
A
R
P
H
Site 48
S458
G
A
P
R
V
P
F
S
T
M
R
P
A
S
S
Site 49
T459
A
P
R
V
P
F
S
T
M
R
P
A
S
S
Q
Site 50
S464
F
S
T
M
R
P
A
S
S
Q
V
P
R
V
M
Site 51
S465
S
T
M
R
P
A
S
S
Q
V
P
R
V
M
S
Site 52
S472
S
Q
V
P
R
V
M
S
T
Q
R
V
A
N
T
Site 53
T473
Q
V
P
R
V
M
S
T
Q
R
V
A
N
T
S
Site 54
S480
T
Q
R
V
A
N
T
S
T
Q
T
V
G
P
R
Site 55
T483
V
A
N
T
S
T
Q
T
V
G
P
R
P
A
A
Site 56
Y506
A
V
R
T
V
P
R
Y
K
Y
A
A
G
V
R
Site 57
Y508
R
T
V
P
R
Y
K
Y
A
A
G
V
R
N
P
Site 58
T539
V
H
V
Q
G
Q
E
T
L
T
A
S
R
L
A
Site 59
T541
V
Q
G
Q
E
T
L
T
A
S
R
L
A
S
A
Site 60
S543
G
Q
E
T
L
T
A
S
R
L
A
S
A
P
P
Site 61
S547
L
T
A
S
R
L
A
S
A
P
P
Q
K
Q
K
Site 62
S586
M
L
L
E
I
D
N
S
E
L
L
Y
M
L
E
Site 63
Y590
I
D
N
S
E
L
L
Y
M
L
E
S
P
E
S
Site 64
S594
E
L
L
Y
M
L
E
S
P
E
S
L
R
S
K
Site 65
S597
Y
M
L
E
S
P
E
S
L
R
S
K
V
D
E
Site 66
S600
E
S
P
E
S
L
R
S
K
V
D
E
A
V
A
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