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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:
STAG1
Full Name:
Cohesin subunit SA-1
Alias:
Nuclear protein stromal antigen 1; SA1; SCC3 homologue 1; Stromal antigen 1
Type:
Nucleus protein
Mass (Da):
144427
Number AA:
1258
UniProt ID:
Q8WVM7
International Prot ID:
IPI00025158
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
GO:0000785
GO:0005634
Uniprot
OncoNet
Molecular Function:
GO:0005515
PhosphoSite+
KinaseNET
Biological Process:
GO:0051301
GO:0007059
GO:0007067
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
S12
E
L
P
V
L
Q
D
S
T
N
E
T
T
A
H
Site 2
T16
L
Q
D
S
T
N
E
T
T
A
H
S
D
A
G
Site 3
T17
Q
D
S
T
N
E
T
T
A
H
S
D
A
G
S
Site 4
S20
T
N
E
T
T
A
H
S
D
A
G
S
E
L
E
Site 5
S24
T
A
H
S
D
A
G
S
E
L
E
E
T
E
V
Site 6
T29
A
G
S
E
L
E
E
T
E
V
K
G
K
R
K
Site 7
S45
G
R
P
G
R
P
P
S
T
N
K
K
P
R
K
Site 8
T46
R
P
G
R
P
P
S
T
N
K
K
P
R
K
S
Site 9
S53
T
N
K
K
P
R
K
S
P
G
E
K
S
R
I
Site 10
S58
R
K
S
P
G
E
K
S
R
I
E
A
G
I
R
Site 11
S100
L
G
K
S
A
M
Q
S
V
V
D
D
W
I
E
Site 12
T152
A
E
I
I
R
K
M
T
E
E
F
D
E
D
S
Site 13
S159
T
E
E
F
D
E
D
S
G
D
Y
P
L
T
M
Site 14
Y162
F
D
E
D
S
G
D
Y
P
L
T
M
P
G
P
Site 15
T165
D
S
G
D
Y
P
L
T
M
P
G
P
Q
W
K
Site 16
S213
L
L
T
G
L
S
D
S
Q
V
R
A
F
R
H
Site 17
T221
Q
V
R
A
F
R
H
T
S
T
L
A
A
M
K
Site 18
T223
R
A
F
R
H
T
S
T
L
A
A
M
K
L
M
Site 19
T247
L
S
I
H
Q
D
N
T
Q
R
Q
Y
E
A
E
Site 20
Y251
Q
D
N
T
Q
R
Q
Y
E
A
E
R
N
K
M
Site 21
Y300
K
G
I
F
V
H
R
Y
R
D
A
I
A
E
I
Site 22
Y322
I
G
V
W
M
K
M
Y
S
D
A
F
L
N
D
Site 23
Y331
D
A
F
L
N
D
S
Y
L
K
Y
V
G
W
T
Site 24
Y334
L
N
D
S
Y
L
K
Y
V
G
W
T
L
H
D
Site 25
S356
K
C
L
K
A
L
Q
S
L
Y
T
N
R
E
L
Site 26
Y358
L
K
A
L
Q
S
L
Y
T
N
R
E
L
F
P
Site 27
T359
K
A
L
Q
S
L
Y
T
N
R
E
L
F
P
K
Site 28
S380
R
F
K
D
R
I
V
S
M
T
L
D
K
E
Y
Site 29
T382
K
D
R
I
V
S
M
T
L
D
K
E
Y
D
V
Site 30
S404
V
T
L
I
L
H
G
S
E
E
A
L
S
N
E
Site 31
S409
H
G
S
E
E
A
L
S
N
E
D
C
E
N
V
Site 32
Y417
N
E
D
C
E
N
V
Y
H
L
V
Y
S
A
H
Site 33
S459
A
K
R
R
G
R
N
S
P
N
G
N
L
I
R
Site 34
Y483
E
L
H
E
H
A
A
Y
L
V
D
S
L
W
E
Site 35
S487
H
A
A
Y
L
V
D
S
L
W
E
S
S
Q
E
Site 36
S491
L
V
D
S
L
W
E
S
S
Q
E
L
L
K
D
Site 37
S492
V
D
S
L
W
E
S
S
Q
E
L
L
K
D
W
Site 38
S518
V
Q
G
E
E
A
M
S
D
R
Q
E
S
A
L
Site 39
T547
H
P
P
V
G
R
G
T
G
K
R
V
L
T
A
Site 40
T553
G
T
G
K
R
V
L
T
A
K
E
R
K
T
Q
Site 41
T559
L
T
A
K
E
R
K
T
Q
I
D
D
R
N
K
Site 42
Y582
L
P
M
L
L
S
K
Y
S
A
D
A
E
K
V
Site 43
S583
P
M
L
L
S
K
Y
S
A
D
A
E
K
V
A
Site 44
Y598
N
L
L
Q
I
P
Q
Y
F
D
L
E
I
Y
S
Site 45
Y604
Q
Y
F
D
L
E
I
Y
S
T
G
R
M
E
K
Site 46
T606
F
D
L
E
I
Y
S
T
G
R
M
E
K
H
L
Site 47
S641
E
A
C
S
K
T
Y
S
I
L
C
S
E
E
Y
Site 48
S645
K
T
Y
S
I
L
C
S
E
E
Y
T
I
Q
N
Site 49
Y648
S
I
L
C
S
E
E
Y
T
I
Q
N
R
V
D
Site 50
S672
F
V
D
R
F
N
H
S
V
E
D
L
L
Q
E
Site 51
Y689
E
A
D
D
D
D
I
Y
N
V
L
S
T
L
K
Site 52
T699
L
S
T
L
K
R
L
T
S
F
H
N
A
H
D
Site 53
S700
S
T
L
K
R
L
T
S
F
H
N
A
H
D
L
Site 54
S756
L
V
K
I
T
D
G
S
P
S
K
E
D
L
L
Site 55
S758
K
I
T
D
G
S
P
S
K
E
D
L
L
V
L
Site 56
T785
Q
C
L
S
N
V
N
T
P
V
K
E
Q
A
F
Site 57
S827
N
P
D
T
G
L
Q
S
E
L
L
S
F
V
M
Site 58
S847
D
Q
D
E
E
N
Q
S
M
E
G
D
E
E
D
Site 59
Y893
A
A
D
I
F
K
H
Y
M
K
Y
Y
N
D
Y
Site 60
Y896
I
F
K
H
Y
M
K
Y
Y
N
D
Y
G
D
I
Site 61
Y897
F
K
H
Y
M
K
Y
Y
N
D
Y
G
D
I
I
Site 62
Y900
Y
M
K
Y
Y
N
D
Y
G
D
I
I
K
E
T
Site 63
T907
Y
G
D
I
I
K
E
T
L
S
K
T
R
Q
I
Site 64
S909
D
I
I
K
E
T
L
S
K
T
R
Q
I
D
K
Site 65
T945
Q
G
P
N
L
D
R
T
S
A
H
V
S
G
I
Site 66
S946
G
P
N
L
D
R
T
S
A
H
V
S
G
I
K
Site 67
S950
D
R
T
S
A
H
V
S
G
I
K
E
L
A
R
Site 68
T962
L
A
R
R
F
A
L
T
F
G
L
D
Q
I
K
Site 69
T976
K
T
R
E
A
V
A
T
L
H
K
D
G
I
E
Site 70
Y988
G
I
E
F
A
F
K
Y
Q
N
Q
K
G
Q
E
Site 71
Y996
Q
N
Q
K
G
Q
E
Y
P
P
P
N
L
A
F
Site 72
S1012
E
V
L
S
E
F
S
S
K
L
L
R
Q
D
K
Site 73
T1021
L
L
R
Q
D
K
K
T
V
H
S
Y
L
E
K
Site 74
Y1025
D
K
K
T
V
H
S
Y
L
E
K
F
L
T
E
Site 75
T1031
S
Y
L
E
K
F
L
T
E
Q
M
M
E
R
R
Site 76
S1051
P
L
I
S
Y
R
N
S
L
V
T
G
G
E
D
Site 77
T1054
S
Y
R
N
S
L
V
T
G
G
E
D
D
R
M
Site 78
S1062
G
G
E
D
D
R
M
S
V
N
S
G
S
S
S
Site 79
S1065
D
D
R
M
S
V
N
S
G
S
S
S
S
K
T
Site 80
S1067
R
M
S
V
N
S
G
S
S
S
S
K
T
S
S
Site 81
S1068
M
S
V
N
S
G
S
S
S
S
K
T
S
S
V
Site 82
S1069
S
V
N
S
G
S
S
S
S
K
T
S
S
V
R
Site 83
S1070
V
N
S
G
S
S
S
S
K
T
S
S
V
R
N
Site 84
T1072
S
G
S
S
S
S
K
T
S
S
V
R
N
K
K
Site 85
S1073
G
S
S
S
S
K
T
S
S
V
R
N
K
K
G
Site 86
S1074
S
S
S
S
K
T
S
S
V
R
N
K
K
G
R
Site 87
S1093
K
K
R
V
E
D
E
S
L
D
N
T
W
L
N
Site 88
T1097
E
D
E
S
L
D
N
T
W
L
N
R
T
D
T
Site 89
T1104
T
W
L
N
R
T
D
T
M
I
Q
T
P
G
P
Site 90
T1108
R
T
D
T
M
I
Q
T
P
G
P
L
P
A
P
Site 91
T1120
P
A
P
Q
L
T
S
T
V
L
R
E
N
S
R
Site 92
S1126
S
T
V
L
R
E
N
S
R
P
M
G
D
Q
I
Site 93
S1138
D
Q
I
Q
E
P
E
S
E
H
G
S
E
P
D
Site 94
S1142
E
P
E
S
E
H
G
S
E
P
D
F
L
H
N
Site 95
T1171
D
L
N
R
K
D
R
T
G
M
N
Y
M
K
V
Site 96
Y1175
K
D
R
T
G
M
N
Y
M
K
V
R
T
G
V
Site 97
S1204
I
F
E
D
V
M
M
S
S
R
S
Q
L
E
D
Site 98
T1219
M
N
E
E
F
E
D
T
M
V
I
D
L
P
P
Site 99
S1227
M
V
I
D
L
P
P
S
R
N
R
R
E
R
A
Site 100
S1243
L
R
P
D
F
F
D
S
A
A
I
I
E
D
D
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