HCA1 receptor (hcar1_mouse)
FAMILY
Class A (Rhodopsin) Alicarboxylic acid receptors Hydroxycarboxylic acid receptors HCA1 receptor
GENE
Hcar1 (Gpr81)
ORGANISM
Mouse (Mus musculus)
ALT. NAMES
Hydroxycarboxylic acid receptor 1, G-protein coupled receptor 81
SOURCE
SWISSPROT
SEQUENCE
N-term | |||||||||
M
|
D
|
N
|
G
|
S
|
C
|
C
|
L
|
I
|
E
|
10 |
TM1 | |||||||||
G
|
E
|
P
|
I
|
S
|
Q
|
V
|
M
|
P
|
P
|
20 |
L
|
L
|
I
|
L
|
V
|
F
|
V
|
L
|
G
|
A
|
30 |
L
|
G
|
N
|
G
|
I
|
A
|
L
|
C
|
G
|
F
|
40 |
ICL1 | TM2 | ||||||||
C
|
F
|
H
|
M
|
K
|
T
|
W
|
K
|
S
|
S
|
50 |
T
|
I
|
Y
|
L
|
F
|
N
|
L
|
A
|
V
|
A
|
60 |
D
|
F
|
L
|
L
|
M
|
I
|
C
|
L
|
P
|
L
|
70 |
R
|
T
|
D
|
Y
|
Y
|
L
|
R
|
R
|
R
|
H
|
80 |
ECL1 | TM3 | ||||||||
W
|
I
|
F
|
G
|
D
|
I
|
A
|
C
|
R
|
L
|
90 |
V
|
L
|
F
|
K
|
L
|
A
|
M
|
N
|
R
|
A
|
100 |
G
|
S
|
I
|
V
|
F
|
L
|
T
|
V
|
V
|
A
|
110 |
V
|
D
|
R
|
Y
|
F
|
K
|
V
|
V
|
H
|
P
|
120 |
ICL2 | TM4 | ||||||||
H
|
H
|
M
|
V
|
N
|
A
|
I
|
S
|
N
|
R
|
130 |
T
|
A
|
A
|
A
|
T
|
A
|
C
|
V
|
L
|
W
|
140 |
T
|
L
|
V
|
I
|
L
|
G
|
T
|
V
|
Y
|
L
|
150 |
ECL2 | |||||||||
L
|
M
|
E
|
S
|
H
|
L
|
C
|
V
|
Q
|
G
|
160 |
T
|
L
|
S
|
S
|
C
|
E
|
S
|
F
|
I
|
M
|
170 |
TM5 | |||||||||
E
|
S
|
A
|
N
|
G
|
W
|
H
|
D
|
V
|
M
|
180 |
F
|
Q
|
L
|
E
|
F
|
F
|
L
|
P
|
L
|
T
|
190 |
I
|
I
|
L
|
F
|
C
|
S
|
V
|
N
|
V
|
V
|
200 |
ICL3 | |||||||||
W
|
S
|
L
|
R
|
R
|
R
|
Q
|
Q
|
L
|
T
|
210 |
TM6 | |||||||||
R
|
Q
|
A
|
R
|
M
|
R
|
R
|
A
|
T
|
R
|
220 |
F
|
I
|
M
|
V
|
V
|
A
|
S
|
V
|
F
|
I
|
230 |
T
|
C
|
Y
|
L
|
P
|
S
|
V
|
L
|
A
|
R
|
240 |
ECL3 | |||||||||
L
|
Y
|
F
|
L
|
W
|
T
|
V
|
P
|
T
|
S
|
250 |
TM7 | |||||||||
A
|
C
|
D
|
P
|
S
|
V
|
H
|
T
|
A
|
L
|
260 |
H
|
V
|
T
|
L
|
S
|
F
|
T
|
Y
|
L
|
N
|
270 |
S
|
M
|
L
|
D
|
P
|
L
|
V
|
Y
|
Y
|
F
|
280 |
H8 | |||||||||
S
|
S
|
P
|
S
|
L
|
P
|
K
|
F
|
Y
|
T
|
290 |
C-term | |||||||||
K
|
L
|
T
|
I
|
C
|
S
|
L
|
K
|
P
|
K
|
300 |
R
|
P
|
G
|
R
|
T
|
K
|
T
|
R
|
R
|
S
|
310 |
E
|
E
|
M
|
P
|
I
|
S
|
N
|
L
|
C
|
S
|
320 |
K
|
S
|
S
|
I
|
D
|
G
|
A
|
N
|
R
|
S
|
330 |
Q
|
R
|
P
|
S
|
D
|
G
|
Q
|
W
|
D
|
L
|
340 |
Q
|
V
|
C
|
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
L-lactic acid
STRUCTURE MODELS
No structure models available. Check the Archive on Structure models for earlier releases.
STRUCTURES
No structures available