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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:
PSAT1
Full Name:
Phosphoserine aminotransferase
Alias:
Phosphohydroxythreonine aminotransferase; Phosphoserine aminotransferase 1; PSA; SERC
Type:
Transferase; EC 2.6.1.52; Amino Acid Metabolism - glycine, serine and threonine; Cofactor and Vitamin Metabolism - vitamin B6
Mass (Da):
40423
Number AA:
370
UniProt ID:
Q9Y617
International Prot ID:
IPI00001734
Sequence:
Retrieve full protein sequence
GO Terms
External Links
Internal Links
Cellular Component:
Uniprot
OncoNet
Molecular Function:
GO:0003824
GO:0004648
GO:0005488
PhosphoSite+
KinaseNET
Biological Process:
GO:0006082
GO:0006519
GO:0006520
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
S20
G
P
A
K
L
P
H
S
V
L
L
E
I
Q
K
Site 2
Y32
I
Q
K
E
L
L
D
Y
K
G
V
G
I
S
V
Site 3
S38
D
Y
K
G
V
G
I
S
V
L
E
M
S
H
R
Site 4
S43
G
I
S
V
L
E
M
S
H
R
S
S
D
F
A
Site 5
S47
L
E
M
S
H
R
S
S
D
F
A
K
I
I
N
Site 6
Y101
K
A
G
R
C
A
D
Y
V
V
T
G
A
W
S
Site 7
T132
H
P
K
L
G
S
Y
T
K
I
P
D
P
S
T
Site 8
T139
T
K
I
P
D
P
S
T
W
N
L
N
P
D
A
Site 9
Y148
N
L
N
P
D
A
S
Y
V
Y
Y
C
A
N
E
Site 10
Y150
N
P
D
A
S
Y
V
Y
Y
C
A
N
E
T
V
Site 11
Y151
P
D
A
S
Y
V
Y
Y
C
A
N
E
T
V
H
Site 12
S178
A
V
L
V
C
D
M
S
S
N
F
L
S
K
P
Site 13
S179
V
L
V
C
D
M
S
S
N
F
L
S
K
P
V
Site 14
S183
D
M
S
S
N
F
L
S
K
P
V
D
V
S
K
Site 15
S226
F
A
L
R
E
C
P
S
V
L
E
Y
K
V
Q
Site 16
Y230
E
C
P
S
V
L
E
Y
K
V
Q
A
G
N
S
Site 17
S238
K
V
Q
A
G
N
S
S
L
Y
N
T
P
P
C
Site 18
Y240
Q
A
G
N
S
S
L
Y
N
T
P
P
C
F
S
Site 19
T242
G
N
S
S
L
Y
N
T
P
P
C
F
S
I
Y
Site 20
S272
A
A
M
E
K
L
S
S
I
K
S
Q
T
I
Y
Site 21
S275
E
K
L
S
S
I
K
S
Q
T
I
Y
E
I
I
Site 22
Y279
S
I
K
S
Q
T
I
Y
E
I
I
D
N
S
Q
Site 23
Y289
I
D
N
S
Q
G
F
Y
V
C
P
V
E
P
Q
Site 24
S299
P
V
E
P
Q
N
R
S
K
M
N
I
P
F
R
Site 25
S331
A
L
E
L
N
M
L
S
L
K
G
H
R
S
V
Site 26
S337
L
S
L
K
G
H
R
S
V
G
G
I
R
A
S
Site 27
S344
S
V
G
G
I
R
A
S
L
Y
N
A
V
T
I
Site 28
Y346
G
G
I
R
A
S
L
Y
N
A
V
T
I
E
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