GPR143 (gp143_human)
FAMILY
Other GPCRs Orphan receptors Other GPCR orphans GPR143
GENE
GPR143 (OA1)
ORGANISM
Human (Homo sapiens)
ALT. NAMES
G-protein coupled receptor 143, Ocular albinism type 1 protein
SOURCE
SWISSPROT
SEQUENCE
N-term | |||||||||
M
|
A
|
S
|
P
|
R
|
L
|
G
|
T
|
F
|
C
|
10 |
C
|
P
|
T
|
R
|
D
|
A
|
A
|
T
|
Q
|
L
|
20 |
TM1 | |||||||||
V
|
L
|
S
|
F
|
Q
|
P
|
R
|
A
|
F
|
H
|
30 |
A
|
L
|
C
|
L
|
G
|
S
|
G
|
G
|
L
|
R
|
40 |
L
|
A
|
L
|
G
|
L
|
L
|
Q
|
L
|
L
|
P
|
50 |
ICL1 | |||||||||
G
|
R
|
R
|
P
|
A
|
G
|
P
|
G
|
S
|
P
|
60 |
TM2 | |||||||||
A
|
T
|
S
|
P
|
P
|
A
|
S
|
V
|
R
|
I
|
70 |
L
|
R
|
A
|
A
|
A
|
A
|
C
|
D
|
L
|
L
|
80 |
G
|
C
|
L
|
G
|
M
|
V
|
I
|
R
|
S
|
T
|
90 |
ECL1 | |||||||||
V
|
W
|
L
|
G
|
F
|
P
|
N
|
F
|
V
|
D
|
100 |
S
|
V
|
S
|
D
|
M
|
N
|
H
|
T
|
E
|
I
|
110 |
TM3 | |||||||||
W
|
P
|
A
|
A
|
F
|
C
|
V
|
G
|
S
|
A
|
120 |
M
|
W
|
I
|
Q
|
L
|
L
|
Y
|
S
|
A
|
C
|
130 |
F
|
W
|
W
|
L
|
F
|
C
|
Y
|
A
|
V
|
D
|
140 |
A
|
Y
|
L
|
V
|
I
|
R
|
R
|
S
|
A
|
G
|
150 |
ICL2 | TM4 | ||||||||
L
|
S
|
T
|
I
|
L
|
L
|
Y
|
H
|
I
|
M
|
160 |
A
|
W
|
G
|
L
|
A
|
T
|
L
|
L
|
C
|
V
|
170 |
E
|
G
|
A
|
A
|
M
|
L
|
Y
|
Y
|
P
|
S
|
180 |
ECL2 | TM5 | ||||||||
V
|
S
|
R
|
C
|
E
|
R
|
G
|
L
|
D
|
H
|
190 |
A
|
I
|
P
|
H
|
Y
|
V
|
T
|
M
|
Y
|
L
|
200 |
P
|
L
|
L
|
L
|
V
|
L
|
V
|
A
|
N
|
P
|
210 |
I
|
L
|
F
|
Q
|
K
|
T
|
V
|
T
|
A
|
V
|
220 |
A
|
S
|
L
|
L
|
K
|
G
|
R
|
Q
|
G
|
I
|
230 |
ICL3 | TM6 | ||||||||
Y
|
T
|
E
|
N
|
E
|
R
|
R
|
M
|
G
|
A
|
240 |
V
|
I
|
K
|
I
|
R
|
F
|
F
|
K
|
I
|
M
|
250 |
L
|
V
|
L
|
I
|
I
|
C
|
W
|
L
|
S
|
N
|
260 |
I
|
I
|
N
|
E
|
S
|
L
|
L
|
F
|
Y
|
L
|
270 |
ECL3 | |||||||||
E
|
M
|
Q
|
T
|
D
|
I
|
N
|
G
|
G
|
S
|
280 |
TM7 | |||||||||
L
|
K
|
P
|
V
|
R
|
T
|
A
|
A
|
K
|
T
|
290 |
T
|
W
|
F
|
I
|
M
|
G
|
I
|
L
|
N
|
P
|
300 |
A
|
Q
|
G
|
F
|
L
|
L
|
S
|
L
|
A
|
F
|
310 |
C-term | |||||||||
Y
|
G
|
W
|
T
|
G
|
C
|
S
|
L
|
G
|
F
|
320 |
Q
|
S
|
P
|
R
|
K
|
E
|
I
|
Q
|
W
|
E
|
330 |
S
|
L
|
T
|
T
|
S
|
A
|
A
|
E
|
G
|
A
|
340 |
H
|
P
|
S
|
P
|
L
|
M
|
P
|
H
|
E
|
N
|
350 |
P
|
A
|
S
|
G
|
K
|
V
|
S
|
Q
|
V
|
G
|
360 |
G
|
Q
|
T
|
S
|
D
|
E
|
A
|
L
|
S
|
M
|
370 |
L
|
S
|
E
|
G
|
S
|
D
|
A
|
S
|
T
|
I
|
380 |
E
|
I
|
H
|
T
|
A
|
S
|
E
|
S
|
C
|
N
|
390 |
K
|
N
|
E
|
G
|
D
|
P
|
A
|
L
|
P
|
T
|
400 |
H
|
G
|
D
|
L
|
LINKS
DIAGRAMS
Pick color:
Invitro Mutant Data: Increased binding/potency: >5-fold, >10-fold; Reduced binding/potency: >5-fold, >10-fold; No/low effect (<5-fold); and N/A
Pick color:
Invitro Mutant Data: Increased binding/potency: >5-fold, >10-fold; Reduced binding/potency: >5-fold, >10-fold; No/low effect (<5-fold); and N/A
MUTATIONS
PHYSIOLOGICAL LIGANDS
No physiological ligands available
STRUCTURE MODELS
STRUCTURES
No structures available