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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:
SP1
Full Name:
Transcription factor Sp1
Alias:
Sp1 transcription factor; Transcription factor SP1; TSFP1
Type:
Transcription protein
Mass (Da):
80693
Number AA:
785
UniProt ID:
P08047
International Prot ID:
IPI00465152
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
GO:0005737
GO:0005634
Uniprot
OncoNet
Molecular Function:
GO:0003702
GO:0042826
GO:0010843
PhosphoSite+
KinaseNET
Biological Process:
GO:0044419
GO:0045817
GO:0006350
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
S2
_
_
_
_
_
_
M
S
D
Q
D
H
S
M
D
Site 2
S7
_
M
S
D
Q
D
H
S
M
D
E
M
T
A
V
Site 3
T12
D
H
S
M
D
E
M
T
A
V
V
K
I
E
K
Site 4
S36
G
N
G
G
G
A
F
S
Q
A
R
S
S
S
T
Site 5
S40
G
A
F
S
Q
A
R
S
S
S
T
G
S
S
S
Site 6
S41
A
F
S
Q
A
R
S
S
S
T
G
S
S
S
S
Site 7
S42
F
S
Q
A
R
S
S
S
T
G
S
S
S
S
T
Site 8
T43
S
Q
A
R
S
S
S
T
G
S
S
S
S
T
G
Site 9
S45
A
R
S
S
S
T
G
S
S
S
S
T
G
G
G
Site 10
S46
R
S
S
S
T
G
S
S
S
S
T
G
G
G
G
Site 11
S47
S
S
S
T
G
S
S
S
S
T
G
G
G
G
Q
Site 12
S48
S
S
T
G
S
S
S
S
T
G
G
G
G
Q
E
Site 13
T49
S
T
G
S
S
S
S
T
G
G
G
G
Q
E
S
Site 14
S56
T
G
G
G
G
Q
E
S
Q
P
S
P
L
A
L
Site 15
S59
G
G
Q
E
S
Q
P
S
P
L
A
L
L
A
A
Site 16
S69
A
L
L
A
A
T
C
S
R
I
E
S
P
N
E
Site 17
S73
A
T
C
S
R
I
E
S
P
N
E
N
S
N
N
Site 18
S78
I
E
S
P
N
E
N
S
N
N
S
Q
G
P
S
Site 19
S81
P
N
E
N
S
N
N
S
Q
G
P
S
Q
S
G
Site 20
S85
S
N
N
S
Q
G
P
S
Q
S
G
G
T
G
E
Site 21
T96
G
T
G
E
L
D
L
T
A
T
Q
L
S
Q
G
Site 22
T98
G
E
L
D
L
T
A
T
Q
L
S
Q
G
A
N
Site 23
S101
D
L
T
A
T
Q
L
S
Q
G
A
N
G
W
Q
Site 24
S111
A
N
G
W
Q
I
I
S
S
S
S
G
A
T
P
Site 25
S112
N
G
W
Q
I
I
S
S
S
S
G
A
T
P
T
Site 26
S113
G
W
Q
I
I
S
S
S
S
G
A
T
P
T
S
Site 27
T117
I
S
S
S
S
G
A
T
P
T
S
K
E
Q
S
Site 28
S120
S
S
G
A
T
P
T
S
K
E
Q
S
G
S
S
Site 29
S124
T
P
T
S
K
E
Q
S
G
S
S
T
N
G
S
Site 30
S126
T
S
K
E
Q
S
G
S
S
T
N
G
S
N
G
Site 31
S127
S
K
E
Q
S
G
S
S
T
N
G
S
N
G
S
Site 32
T128
K
E
Q
S
G
S
S
T
N
G
S
N
G
S
E
Site 33
S131
S
G
S
S
T
N
G
S
N
G
S
E
S
S
K
Site 34
S134
S
T
N
G
S
N
G
S
E
S
S
K
N
R
T
Site 35
S137
G
S
N
G
S
E
S
S
K
N
R
T
V
S
G
Site 36
T141
S
E
S
S
K
N
R
T
V
S
G
G
Q
Y
V
Site 37
S143
S
S
K
N
R
T
V
S
G
G
Q
Y
V
V
A
Site 38
Y147
R
T
V
S
G
G
Q
Y
V
V
A
A
A
P
N
Site 39
Y173
G
V
M
P
N
I
Q
Y
Q
V
I
P
Q
F
Q
Site 40
T216
G
A
N
Q
Q
I
I
T
N
R
G
S
G
G
N
Site 41
T254
S
G
Q
T
Q
Y
V
T
N
V
P
V
A
L
N
Site 42
T278
S
V
S
A
A
T
L
T
P
S
S
Q
A
V
T
Site 43
T285
T
P
S
S
Q
A
V
T
I
S
S
S
G
S
Q
Site 44
S287
S
S
Q
A
V
T
I
S
S
S
G
S
Q
E
S
Site 45
S288
S
Q
A
V
T
I
S
S
S
G
S
Q
E
S
G
Site 46
S289
Q
A
V
T
I
S
S
S
G
S
Q
E
S
G
S
Site 47
S291
V
T
I
S
S
S
G
S
Q
E
S
G
S
Q
P
Site 48
S294
S
S
S
G
S
Q
E
S
G
S
Q
P
V
T
S
Site 49
S296
S
G
S
Q
E
S
G
S
Q
P
V
T
S
G
T
Site 50
T300
E
S
G
S
Q
P
V
T
S
G
T
T
I
S
S
Site 51
S301
S
G
S
Q
P
V
T
S
G
T
T
I
S
S
A
Site 52
T303
S
Q
P
V
T
S
G
T
T
I
S
S
A
S
L
Site 53
S307
T
S
G
T
T
I
S
S
A
S
L
V
S
S
Q
Site 54
S312
I
S
S
A
S
L
V
S
S
Q
A
S
S
S
S
Site 55
S313
S
S
A
S
L
V
S
S
Q
A
S
S
S
S
F
Site 56
S316
S
L
V
S
S
Q
A
S
S
S
S
F
F
T
N
Site 57
S317
L
V
S
S
Q
A
S
S
S
S
F
F
T
N
A
Site 58
S318
V
S
S
Q
A
S
S
S
S
F
F
T
N
A
N
Site 59
S319
S
S
Q
A
S
S
S
S
F
F
T
N
A
N
S
Site 60
T322
A
S
S
S
S
F
F
T
N
A
N
S
Y
S
T
Site 61
S326
S
F
F
T
N
A
N
S
Y
S
T
T
T
T
T
Site 62
S328
F
T
N
A
N
S
Y
S
T
T
T
T
T
S
N
Site 63
T330
N
A
N
S
Y
S
T
T
T
T
T
S
N
M
G
Site 64
T332
N
S
Y
S
T
T
T
T
T
S
N
M
G
I
M
Site 65
T342
N
M
G
I
M
N
F
T
T
S
G
S
S
G
T
Site 66
T343
M
G
I
M
N
F
T
T
S
G
S
S
G
T
N
Site 67
S344
G
I
M
N
F
T
T
S
G
S
S
G
T
N
S
Site 68
S351
S
G
S
S
G
T
N
S
Q
G
Q
T
P
Q
R
Site 69
T355
G
T
N
S
Q
G
Q
T
P
Q
R
V
S
G
L
Site 70
S360
G
Q
T
P
Q
R
V
S
G
L
Q
G
S
D
A
Site 71
S365
R
V
S
G
L
Q
G
S
D
A
L
N
I
Q
Q
Site 72
T375
L
N
I
Q
Q
N
Q
T
S
G
G
S
L
Q
A
Site 73
S376
N
I
Q
Q
N
Q
T
S
G
G
S
L
Q
A
G
Site 74
S421
A
L
Q
A
A
P
L
S
G
Q
T
F
T
T
Q
Site 75
T427
L
S
G
Q
T
F
T
T
Q
A
I
S
Q
E
T
Site 76
S431
T
F
T
T
Q
A
I
S
Q
E
T
L
Q
N
L
Site 77
T453
S
G
P
I
I
I
R
T
P
T
V
G
P
N
G
Site 78
S463
V
G
P
N
G
Q
V
S
W
Q
T
L
Q
L
Q
Site 79
T483
N
P
Q
A
Q
T
I
T
L
A
P
M
Q
G
V
Site 80
S491
L
A
P
M
Q
G
V
S
L
G
Q
T
S
S
S
Site 81
T495
Q
G
V
S
L
G
Q
T
S
S
S
N
T
T
L
Site 82
S497
V
S
L
G
Q
T
S
S
S
N
T
T
L
T
P
Site 83
S498
S
L
G
Q
T
S
S
S
N
T
T
L
T
P
I
Site 84
T501
Q
T
S
S
S
N
T
T
L
T
P
I
A
S
A
Site 85
T503
S
S
S
N
T
T
L
T
P
I
A
S
A
A
S
Site 86
S524
T
V
N
A
A
Q
L
S
S
M
P
G
L
Q
T
Site 87
T579
G
D
G
I
H
D
D
T
A
G
G
E
E
G
E
Site 88
S588
G
G
E
E
G
E
N
S
P
D
A
Q
P
Q
A
Site 89
T599
Q
P
Q
A
G
R
R
T
R
R
E
A
C
T
C
Site 90
T605
R
T
R
R
E
A
C
T
C
P
Y
C
K
D
S
Site 91
Y608
R
E
A
C
T
C
P
Y
C
K
D
S
E
G
R
Site 92
S612
T
C
P
Y
C
K
D
S
E
G
R
G
S
G
D
Site 93
S617
K
D
S
E
G
R
G
S
G
D
P
G
K
K
K
Site 94
Y637
I
Q
G
C
G
K
V
Y
G
K
T
S
H
L
R
Site 95
T640
C
G
K
V
Y
G
K
T
S
H
L
R
A
H
L
Site 96
S641
G
K
V
Y
G
K
T
S
H
L
R
A
H
L
R
Site 97
T651
R
A
H
L
R
W
H
T
G
E
R
P
F
M
C
Site 98
T668
S
Y
C
G
K
R
F
T
R
S
D
E
L
Q
R
Site 99
S670
C
G
K
R
F
T
R
S
D
E
L
Q
R
H
K
Site 100
T679
E
L
Q
R
H
K
R
T
H
T
G
E
K
K
F
Site 101
T681
Q
R
H
K
R
T
H
T
G
E
K
K
F
A
C
Site 102
S698
C
P
K
R
F
M
R
S
D
H
L
S
K
H
I
Site 103
S702
F
M
R
S
D
H
L
S
K
H
I
K
T
H
Q
Site 104
T707
H
L
S
K
H
I
K
T
H
Q
N
K
K
G
G
Site 105
S728
V
G
T
L
P
L
D
S
G
A
G
S
E
G
S
Site 106
S732
P
L
D
S
G
A
G
S
E
G
S
G
T
A
T
Site 107
S735
S
G
A
G
S
E
G
S
G
T
A
T
P
S
A
Site 108
T739
S
E
G
S
G
T
A
T
P
S
A
L
I
T
T
Site 109
S777
M
Q
V
A
D
L
Q
S
I
N
I
S
G
N
G
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