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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:
POLS
Full Name:
DNA polymerase sigma
Alias:
DNA polymerase kappa; LAK-1; POLK; polymerase (DNA directed) sigma; polymerase (DNA-directed) sigma; Topoisomerase-related function protein 4-1; TRF4; TRF4-1
Type:
Transferase; DNA repair; DNA replication; EC 2.7.7.7
Mass (Da):
59874
Number AA:
542
UniProt ID:
Q5XG87
International Prot ID:
IPI00418630
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
GO:0005634
Uniprot
OncoNet
Molecular Function:
GO:0003677
GO:0003887
GO:0043221
PhosphoSite+
KinaseNET
Biological Process:
GO:0006260
GO:0051301
GO:0006302
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
T20
E
V
V
K
R
I
E
T
V
V
K
D
L
W
P
Site 2
T39
Q
I
F
G
S
F
S
T
G
L
Y
L
P
T
S
Site 3
Y42
G
S
F
S
T
G
L
Y
L
P
T
S
D
I
D
Site 4
S46
T
G
L
Y
L
P
T
S
D
I
D
L
V
V
F
Site 5
T97
I
K
L
T
D
Q
E
T
E
V
K
V
D
I
S
Site 6
S104
T
E
V
K
V
D
I
S
F
N
M
E
T
G
V
Site 7
Y120
A
A
E
F
I
K
N
Y
M
K
K
Y
S
L
L
Site 8
S125
K
N
Y
M
K
K
Y
S
L
L
P
Y
L
I
L
Site 9
T148
R
D
L
N
E
V
F
T
G
G
I
S
S
Y
S
Site 10
Y196
L
Y
G
R
N
F
N
Y
L
K
T
G
I
R
I
Site 11
T199
R
N
F
N
Y
L
K
T
G
I
R
I
K
E
G
Site 12
Y209
R
I
K
E
G
G
A
Y
I
A
K
E
E
I
M
Site 13
S221
E
I
M
K
A
M
T
S
G
Y
R
P
S
M
L
Site 14
S226
M
T
S
G
Y
R
P
S
M
L
C
I
E
D
P
Site 15
S243
P
G
N
D
V
G
R
S
S
Y
G
A
M
Q
V
Site 16
S244
G
N
D
V
G
R
S
S
Y
G
A
M
Q
V
K
Site 17
Y245
N
D
V
G
R
S
S
Y
G
A
M
Q
V
K
Q
Site 18
S271
A
V
S
P
L
A
R
S
Y
P
N
R
D
A
E
Site 19
Y272
V
S
P
L
A
R
S
Y
P
N
R
D
A
E
S
Site 20
T280
P
N
R
D
A
E
S
T
L
G
R
I
I
K
V
Site 21
T288
L
G
R
I
I
K
V
T
Q
E
V
I
D
Y
R
Site 22
Y294
V
T
Q
E
V
I
D
Y
R
R
W
I
K
E
K
Site 23
S304
W
I
K
E
K
W
G
S
K
A
H
P
S
P
G
Site 24
S309
W
G
S
K
A
H
P
S
P
G
M
D
S
R
I
Site 25
S314
H
P
S
P
G
M
D
S
R
I
K
I
K
E
R
Site 26
T324
K
I
K
E
R
I
A
T
C
N
G
E
Q
T
Q
Site 27
T330
A
T
C
N
G
E
Q
T
Q
N
R
E
P
E
S
Site 28
S337
T
Q
N
R
E
P
E
S
P
Y
G
Q
R
L
T
Site 29
Y339
N
R
E
P
E
S
P
Y
G
Q
R
L
T
L
S
Site 30
T344
S
P
Y
G
Q
R
L
T
L
S
L
S
S
P
Q
Site 31
S346
Y
G
Q
R
L
T
L
S
L
S
S
P
Q
L
L
Site 32
S348
Q
R
L
T
L
S
L
S
S
P
Q
L
L
S
S
Site 33
S349
R
L
T
L
S
L
S
S
P
Q
L
L
S
S
G
Site 34
S354
L
S
S
P
Q
L
L
S
S
G
S
S
A
S
S
Site 35
S355
S
S
P
Q
L
L
S
S
G
S
S
A
S
S
V
Site 36
S357
P
Q
L
L
S
S
G
S
S
A
S
S
V
S
S
Site 37
S360
L
S
S
G
S
S
A
S
S
V
S
S
L
S
G
Site 38
S361
S
S
G
S
S
A
S
S
V
S
S
L
S
G
S
Site 39
S363
G
S
S
A
S
S
V
S
S
L
S
G
S
D
V
Site 40
S364
S
S
A
S
S
V
S
S
L
S
G
S
D
V
D
Site 41
S366
A
S
S
V
S
S
L
S
G
S
D
V
D
S
D
Site 42
S368
S
V
S
S
L
S
G
S
D
V
D
S
D
T
P
Site 43
S372
L
S
G
S
D
V
D
S
D
T
P
P
C
T
T
Site 44
T374
G
S
D
V
D
S
D
T
P
P
C
T
T
P
S
Site 45
T378
D
S
D
T
P
P
C
T
T
P
S
V
Y
Q
F
Site 46
T379
S
D
T
P
P
C
T
T
P
S
V
Y
Q
F
S
Site 47
S381
T
P
P
C
T
T
P
S
V
Y
Q
F
S
L
Q
Site 48
S405
P
T
A
L
P
M
P
S
G
K
P
Q
P
T
T
Site 49
T411
P
S
G
K
P
Q
P
T
T
S
R
T
L
I
M
Site 50
T412
S
G
K
P
Q
P
T
T
S
R
T
L
I
M
T
Site 51
S413
G
K
P
Q
P
T
T
S
R
T
L
I
M
T
T
Site 52
T415
P
Q
P
T
T
S
R
T
L
I
M
T
T
N
N
Site 53
T419
T
S
R
T
L
I
M
T
T
N
N
Q
T
R
F
Site 54
T424
I
M
T
T
N
N
Q
T
R
F
T
I
P
P
P
Site 55
T427
T
N
N
Q
T
R
F
T
I
P
P
P
T
L
G
Site 56
S450
A
G
V
E
G
T
A
S
L
K
A
V
H
H
M
Site 57
S458
L
K
A
V
H
H
M
S
S
P
A
I
P
S
A
Site 58
S459
K
A
V
H
H
M
S
S
P
A
I
P
S
A
S
Site 59
S464
M
S
S
P
A
I
P
S
A
S
P
N
P
L
S
Site 60
S466
S
P
A
I
P
S
A
S
P
N
P
L
S
S
P
Site 61
S471
S
A
S
P
N
P
L
S
S
P
H
L
Y
H
K
Site 62
S472
A
S
P
N
P
L
S
S
P
H
L
Y
H
K
Q
Site 63
Y476
P
L
S
S
P
H
L
Y
H
K
Q
H
N
G
M
Site 64
S490
M
K
L
S
M
K
G
S
H
G
H
T
Q
G
G
Site 65
T494
M
K
G
S
H
G
H
T
Q
G
G
G
Y
S
S
Site 66
Y499
G
H
T
Q
G
G
G
Y
S
S
V
G
S
G
G
Site 67
S500
H
T
Q
G
G
G
Y
S
S
V
G
S
G
G
V
Site 68
S501
T
Q
G
G
G
Y
S
S
V
G
S
G
G
V
R
Site 69
S504
G
G
Y
S
S
V
G
S
G
G
V
R
P
P
V
Site 70
Y519
G
N
R
G
H
H
Q
Y
N
R
T
G
W
R
R
Site 71
T530
G
W
R
R
K
K
H
T
H
T
R
D
S
L
P
Site 72
S535
K
H
T
H
T
R
D
S
L
P
V
S
L
S
R
Site 73
S539
T
R
D
S
L
P
V
S
L
S
R
_
_
_
_
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