FFA1 receptor (ffar1_human)

FAMILY

Class A (Rhodopsin) Lipid receptors Free fatty acid receptors FFA1 receptor

GENE

FFAR1 (GPR40)

ORGANISM

Human (Homo sapiens)

ALT. NAMES

Free fatty acid receptor 1, G-protein coupled receptor 40

SOURCE

SWISSPROT

SEQUENCE

N-term TM1  
M
D
L
P
P
Q
L
S
F
G
10
                   
L
Y
V
A
A
F
A
L
G
F
20
                   
P
L
N
V
L
A
I
R
G
A
30
                   
T
A
H
A
R
L
R
L
T
P
40
TM2              
S
L
V
Y
A
L
N
L
G
C
50
                   
S
D
L
L
L
T
V
S
L
P
60
                   
L
K
A
V
E
A
L
A
S
G
70
ECL1 TM3      
A
W
P
L
P
A
S
L
C
P
80
                   
V
F
A
V
A
H
F
F
P
L
90
                   
Y
A
G
G
G
F
L
A
A
L
100
                   
S
A
G
R
Y
L
G
A
A
F
110
ICL2            
P
L
G
Y
Q
A
F
R
R
P
120
TM4              
C
Y
S
W
G
V
C
A
A
I
130
                   
W
A
L
V
L
C
H
L
G
L
140
            ECL2
V
F
G
L
E
A
P
G
G
W
150
                   
L
D
H
S
N
T
S
L
G
I
160
                   
N
T
P
V
N
G
S
P
V
C
170
        TM5      
L
E
A
W
D
P
A
S
A
G
180
                   
P
A
R
F
S
L
S
L
L
L
190
                   
F
F
L
P
L
A
I
T
A
F
200
                   
C
Y
V
G
C
L
R
A
L
A
210
  ICL3   TM6  
R
S
G
L
T
H
R
R
K
L
220
                   
R
A
A
W
V
A
G
G
A
L
230
                   
L
T
L
L
L
C
V
G
P
Y
240
                   
N
A
S
N
V
A
S
F
L
Y
250
ECL3 TM7      
P
N
L
G
G
S
W
R
K
L
260
                   
G
L
I
T
G
A
W
S
V
V
270
                   
L
N
P
L
V
T
G
Y
L
G
280
H8                
R
G
P
G
L
K
T
V
C
A
290
        C-term
A
R
T
Q
G
G
K
S
Q
K
300

LINKS

DIAGRAMS

ICL1 L ICL1ECL1 G A W P L ECL1ICL2 P L G Y Q A F R ICL2ECL2 P G G W L D H S N T S L G I N T P V N G S P V C L E A W ECL2ICL3 S G L T H ICL3ECL3 P N L G ECL3N-term M D L N-termC-term G G K S Q K C-term P P Q L S F G L Y V A A F A L G F P L N V L A I R G A T A H A R L R T P S L V Y A L N L G C S D L L L T V S L P L K A V E A L A S P A S L C P V F A V A H F F P L Y A G G G F L A A L S A G R Y L G A A F R P C Y S W G V C A A I W A L V L C H L G L V F G L E A D P A S A G P A R F S L S L L L F F L P L A I T A F C Y V G C L R A L A R R R K L R A A W V A G G A L L T L L L C V G P Y N A S N V A S F L Y G S W R K L G L I T G A W S V V L N P L V T G Y L G R G T V C Q P G L K A A R T
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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

V N L P F G L A F A A V Y L G F S L Q P 1 L N L G C S D L L L T V S L P L K A V E 2 A A L F G G G A Y L P F F H A V A F V P 3 S W G V C A A I W A L V L C H L G L V F 4 Y C F A T I A L P L F F L L L S L S F R A 5 A G G A L L T L L L C V G P Y N A S N V A 6 L P N L V V S W A G T I L G L K R W S 7
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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

oleic acid, α-linolenic acid, myristic acid, docosahexaenoic acid

STRUCTURE MODELS

STRUCTURES

Found 7 structure(s) - view all details on the Structures page

PDBs: 4PHU, 5TZR, 5TZY, 5KW2, 8EIT, 8EJC, 8EJK