TAS2R9 homology model

PROTEIN CLASS

Class T (Taste 2)

RECEPTOR

SPECIES

Homo sapiens

STATE

Active

VERSION

2021-05-12

MODEL

PDB file contains GPCRdb generic numbers in the B-factor field of CA atoms

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MAIN TEMPLATE

H1 receptor (sequence similarity: 20%) PDB: 7DFL

TEMPLATES

7JVR (D2 receptor)
7DFL (H1 receptor)
3RZE (H1 receptor)
6M9T (EP3 receptor)
5ZKQ (PAF receptor)
4ZUD (AT1 receptor)
6DO1 (AT1 receptor)
4PXZ (P2Y12 receptor)
4NTJ (P2Y12 receptor)
7E32 (5-HT1D receptor)
4MBS (CCR5)
6A94 (5-HT2A receptor)
None
Main template (%) Additional templates (%) No template - freely modelled (%)
Backbone 68.1 14.5 17.4
Side-chains 8.2 56.9 34.9

Number of backbone templates: 12
Number of rotamer templates: 60

Segment Seq.num. AA GPCRdb# Backbone PDB Rotamer PDB
N-term 1 M - - - - -
N-term 2 P - - - - -
N-term 3 S - - - - -
N-term 4 A - - - - -
N-term 5 I - - - - -
TM1 6 E 1.32x32 D2 receptor 7JVR - -
TM1 7 A 1.33x33 D2 receptor 7JVR M1 receptor 6OIJ
TM1 8 I 1.34x34 H1 receptor 7DFL κ receptor 6B73
TM1 9 Y 1.35x35 H1 receptor 7DFL D2 receptor 7JVR
TM1 10 I 1.36x36 H1 receptor 7DFL A2A receptor 4UHR
TM1 11 I 1.37x37 H1 receptor 7DFL CXCR2 6LFO
TM1 12 L 1.38x38 H1 receptor 7DFL D2 receptor 7JVR
TM1 13 I 1.39x39 H1 receptor 7DFL 5-HT2C receptor 6BQG
TM1 14 A 1.40x40 H1 receptor 7DFL CXCR2 6LFO
TM1 15 G 1.41x41 H1 receptor 7DFL PAR1 3VW7
TM1 16 E 1.42x42 H1 receptor 7DFL succinate receptor 6RNK
TM1 17 L 1.43x43 H1 receptor 7DFL EP3 receptor 6AK3
TM1 18 T 1.44x44 H1 receptor 7DFL 5-ht1E receptor 7E33
TM1 19 I 1.45x45 H1 receptor 7DFL MC4 receptor 7AUE
TM1 20 G 1.46x46 H1 receptor 7DFL AT1 receptor 6DO1
TM1 21 I 1.47x47 H1 receptor 7DFL AT1 receptor 6DO1
TM1 22 W 1.48x48 H1 receptor 7DFL - -
TM1 23 G 1.49x49 H1 receptor 7DFL D2 receptor 7JVR
TM1 24 N 1.50x50 H1 receptor 7DFL H1 receptor 7DFL
TM1 25 G 1.51x51 H1 receptor 7DFL D3 receptor 7CMV
TM1 26 F 1.52x52 H1 receptor 7DFL 5-HT1D receptor 7E32
TM1 27 I 1.53x53 H1 receptor 7DFL DP2 receptor 6D27
TM1 28 V 1.54x54 H1 receptor 7DFL AT1 receptor 6DO1
TM1 29 L 1.55x55 H1 receptor 7DFL 5-HT2B receptor 5TUD
TM1 30 V 1.56x56 H1 receptor 7DFL AT1 receptor 6DO1
TM1 31 N 1.57x57 H1 receptor 7DFL - -
TM1 32 C 1.58x58 H1 receptor 7DFL AT2 receptor 5UNG
TM1 33 I 1.59x59 H1 receptor 7DFL - -
TM1 34 D 1.60x60 H1 receptor 7DFL - -
TM1 35 W 1.61x61 EP3 receptor 6M9T - -
TM1 36 L 1.62x62 EP3 receptor 6M9T - -
ICL1 37 K 12.48x48 - - - -
ICL1 38 R 12.49x49 H1 receptor 3RZE β2-adrenoceptor 4LDE
ICL1 39 R 12.50x50 H1 receptor 3RZE - -
ICL1 40 D 12.51x51 - - - -
TM2 41 I 2.36x36 PAF receptor 5ZKQ - -
TM2 42 S 2.37x37 PAF receptor 5ZKQ NTS1 receptor 6OSA
TM2 43 L 2.38x38 H1 receptor 7DFL CCR2 5T1A
TM2 44 I 2.39x39 H1 receptor 7DFL P2Y1 receptor 4XNW
TM2 45 D 2.40x40 H1 receptor 7DFL CXCR2 6LFO
TM2 46 I 2.41x41 H1 receptor 7DFL κ receptor 6B73
TM2 47 I 2.42x42 H1 receptor 7DFL Rhodopsin 4X1H
TM2 48 L 2.43x43 H1 receptor 7DFL AT1 receptor 6DO1
TM2 49 I 2.44x44 H1 receptor 7DFL US28 5WB1
TM2 50 S 2.45x45 H1 receptor 7DFL H1 receptor 7DFL
TM2 51 L 2.46x46 H1 receptor 7DFL H1 receptor 7DFL
TM2 52 A 2.47x47 H1 receptor 7DFL D2 receptor 7JVR
TM2 53 I 2.48x48 H1 receptor 7DFL 5-HT2C receptor 6BQG
TM2 54 S 2.49x49 H1 receptor 7DFL D1 receptor 7JVQ
TM2 55 R 2.50x50 H1 receptor 7DFL - -
TM2 56 I 2.51x51 H1 receptor 7DFL CCR6 6WWZ
TM2 57 C 2.52x52 H1 receptor 7DFL AT1 receptor 6DO1
TM2 58 L 2.53x53 H1 receptor 7DFL 5-HT2A receptor 6WHA
TM2 59 L 2.54x54 H1 receptor 7DFL AT1 receptor 6DO1
TM2 60 C 2.55x55 AT1 receptor 4ZUD US28 5WB1
TM2 61 V 2.56x56 AT1 receptor 4ZUD H1 receptor 7DFL
TM2 62 I 2.57x57 H1 receptor 7DFL α2B-adrenoceptor 6K42
TM2 63 S 2.58x58 H1 receptor 7DFL - -
TM2 64 L 2.59x59 H1 receptor 7DFL AT1 receptor 6DO1
TM2 65 D 2.60x60 H1 receptor 7DFL ghrelin receptor 6KO5
TM2 66 G 2.61x61 H1 receptor 7DFL NOP receptor 5DHH
TM2 67 F 2.62x62 H1 receptor 7DFL LPA6 receptor 5XSZ
TM2 68 F 2.63x63 H1 receptor 7DFL BLT1 receptor 5X33
TM2 69 M 2.64x64 H1 receptor 7DFL FPR2/ALX 6OMM
TM2 70 L 2.65x65 H1 receptor 7DFL H1 receptor 7DFL
TM2 71 L 2.66x66 H1 receptor 7DFL - -
ECL1 72 F - - - - -
ECL1 73 P - P2Y12 receptor 4PXZ - -
ECL1 74 G - - - - -
TM3 75 T 3.18x18 P2Y12 receptor 4PXZ - -
TM3 76 Y 3.19x19 P2Y12 receptor 4PXZ - -
TM3 77 G 3.20x20 P2Y12 receptor 4PXZ - -
TM3 78 N 3.21x21 H1 receptor 7DFL - -
TM3 79 S 3.22x22 H1 receptor 7DFL 5-HT2A receptor 6WHA
TM3 80 V 3.23x23 H1 receptor 7DFL 5-HT2B receptor 5TUD
TM3 81 L 3.24x24 H1 receptor 7DFL H1 receptor 7DFL
TM3 82 V 3.25x25 H1 receptor 7DFL - -
TM3 83 S 3.26x26 H1 receptor 7DFL C5a1 receptor 6C1Q
TM3 84 I 3.27x27 H1 receptor 7DFL D2 receptor 7JVR
TM3 85 V 3.28x28 H1 receptor 7DFL CXCR2 6LFO
TM3 86 N 3.29x29 H1 receptor 7DFL NK1 receptor 6HLP
TM3 87 V 3.30x30 H1 receptor 7DFL CXCR4 3ODU
TM3 88 V 3.31x31 H1 receptor 7DFL 5-ht1E receptor 7E33
TM3 89 W 3.32x32 H1 receptor 7DFL - -
TM3 90 T 3.33x33 H1 receptor 7DFL Rhodopsin 4X1H
TM3 91 F 3.34x34 H1 receptor 7DFL AT1 receptor 6DO1
TM3 92 A 3.35x35 H1 receptor 7DFL H1 receptor 7DFL
TM3 93 N 3.36x36 H1 receptor 7DFL - -
TM3 94 N 3.37x37 H1 receptor 7DFL CCR6 6WWZ
TM3 95 S 3.38x38 H1 receptor 7DFL CXCR2 6LFO
TM3 96 S 3.39x39 H1 receptor 7DFL H1 receptor 7DFL
TM3 97 L 3.40x40 H1 receptor 7DFL US28 5WB1
TM3 98 W 3.41x41 H1 receptor 7DFL 5-HT1D receptor 7E32
TM3 99 F 3.42x42 H1 receptor 7DFL US28 5WB1
TM3 100 T 3.43x43 H1 receptor 7DFL - -
TM3 101 S 3.44x44 H1 receptor 7DFL OX2 receptor 7L1V
TM3 102 C 3.45x45 H1 receptor 7DFL AT1 receptor 6DO1
TM3 103 L 3.46x46 H1 receptor 7DFL H1 receptor 7DFL
TM3 104 S 3.47x47 H1 receptor 7DFL D2 receptor 7JVR
TM3 105 I 3.48x48 H1 receptor 7DFL H1 receptor 7DFL
TM3 106 F 3.49x49 H1 receptor 7DFL CysLT1 receptor 6RZ4
TM3 107 Y 3.50x50 H1 receptor 7DFL - -
TM3 108 L 3.51x51 H1 receptor 7DFL - -
TM3 109 L 3.52x52 H1 receptor 7DFL AT1 receptor 6DO1
TM3 110 K 3.53x53 H1 receptor 7DFL P2Y12 receptor 4NTJ
TM3 111 I 3.54x54 H1 receptor 7DFL AT1 receptor 6DO1
TM3 112 A 3.55x55 H1 receptor 7DFL D2 receptor 7JVR
TM3 113 N 3.56x56 H1 receptor 7DFL 5-HT2C receptor 6BQG
ICL2 114 I - - - - -
ICL2 115 S - - - - -
ICL2 116 H 34.50x50 AT1 receptor 6DO1 - -
ICL2 117 P 34.51x51 AT1 receptor 6DO1 CB2 receptor 6PT0
ICL2 118 F 34.52x52 AT1 receptor 6DO1 EP4 receptor 7D7M
ICL2 119 F 34.53x53 AT1 receptor 6DO1 - -
ICL2 120 F 34.54x54 AT1 receptor 6DO1 CCR6 6WWZ
ICL2 121 W 34.55x55 AT1 receptor 6DO1 - -
ICL2 122 L 34.56x56 AT1 receptor 6DO1 β2-adrenoceptor 3SN6
ICL2 123 K 34.57x57 - - - -
TM4 124 L 4.38x38 H1 receptor 7DFL - -
TM4 125 K 4.39x39 H1 receptor 7DFL H1 receptor 7DFL
TM4 126 I 4.40x40 H1 receptor 7DFL - -
TM4 127 N 4.41x41 H1 receptor 7DFL μ receptor 5C1M
TM4 128 K 4.42x42 H1 receptor 7DFL - -
TM4 129 V 4.43x43 H1 receptor 7DFL CB1 receptor 6N4B
TM4 130 M 4.44x44 H1 receptor 7DFL 5-HT2C receptor 6BQG
TM4 131 L 4.45x45 H1 receptor 7DFL 5-HT1A receptor 7E2X
TM4 132 A 4.46x46 H1 receptor 7DFL - -
TM4 133 I 4.47x47 H1 receptor 7DFL AT1 receptor 6DO1
TM4 134 L 4.48x48 H1 receptor 7DFL 5-HT1B receptor 6G79
TM4 135 L 4.49x49 H1 receptor 7DFL apelin receptor 5VBL
TM4 136 G 4.50x50 H1 receptor 7DFL - -
TM4 137 S 4.51x51 H1 receptor 7DFL - -
TM4 138 F 4.52x52 H1 receptor 7DFL 5-HT1B receptor 6G79
TM4 139 L 4.53x53 H1 receptor 7DFL - -
TM4 140 I 4.54x54 H1 receptor 7DFL 5-HT2C receptor 6BQG
TM4 141 S 4.55x55 5-HT1D receptor 7E32 5-HT1B receptor 6G79
TM4 142 L 4.56x56 5-HT1D receptor 7E32 CXCR2 6LFO
TM4 143 I 4.57x57 5-HT1D receptor 7E32 P2Y1 receptor 4XNW
TM4 144 I 4.58x58 H1 receptor 7DFL 5-HT1D receptor 7E32
TM4 145 S 4.59x59 H1 receptor 7DFL CCR6 6WWZ
TM4 146 V 4.60x60 H1 receptor 7DFL μ receptor 5C1M
TM4 147 P 4.61x61 H1 receptor 7DFL - -
TM4 148 K 4.62x62 H1 receptor 7DFL - -
TM4 149 N 4.63x63 D2 receptor 7JVR - -
TM4 150 D 4.64x64 D2 receptor 7JVR - -
ECL2 151 D - - - - -
ECL2 152 M - - - - -
ECL2 153 W - - - - -
ECL2 154 Y - - - - -
ECL2 155 H - - - - -
ECL2 156 L - - - - -
ECL2 157 F - - - - -
ECL2 158 K - - - - -
ECL2 159 V - - - - -
ECL2 160 S - - - - -
ECL2 161 H - - - - -
ECL2 162 E - - - - -
ECL2 163 E - - - - -
ECL2 164 N - - - - -
ECL2 165 I - - - - -
ECL2 166 T - - - - -
ECL2 167 W - - - - -
ECL2 168 K - - - - -
ECL2 169 F - - - - -
ECL2 170 K - - - - -
ECL2 171 V - - - - -
TM5 172 S 5.32x32 CCR5 4MBS δ receptor 6PT2
TM5 173 K 5.33x33 CCR5 4MBS NK1 receptor 6HLP
TM5 174 I 5.34x34 CCR5 4MBS OX2 receptor 7L1V
TM5 175 P 5.35x35 CCR5 4MBS PAF receptor 5ZKQ
TM5 176 G 5.36x36 H1 receptor 7DFL - -
TM5 177 T 5.37x37 H1 receptor 7DFL H1 receptor 7DFL
TM5 178 F 5.38x38 H1 receptor 7DFL κ receptor 6B73
TM5 179 K 5.39x39 H1 receptor 7DFL ETB receptor 5X93
TM5 180 Q 5.40x40 H1 receptor 7DFL CXCR4 3ODU
TM5 181 L 5.41x41 H1 receptor 7DFL AT1 receptor 6DO1
TM5 182 T 5.42x42 H1 receptor 7DFL AT1 receptor 6DO1
TM5 183 L 5.43x43 H1 receptor 7DFL US28 5WB1
TM5 184 N 5.44x44 H1 receptor 7DFL AT1 receptor 6DO1
TM5 185 L 5.45x45 H1 receptor 7DFL 5-ht1E receptor 7E33
TM5 186 G 5.46x46 P2Y12 receptor 4NTJ 5-HT1D receptor 7E32
TM5 187 V 5.47x47 P2Y12 receptor 4NTJ A2A receptor 4UHR
TM5 188 M 5.48x48 H1 receptor 7DFL OX2 receptor 7L1V
TM5 189 V 5.49x49 H1 receptor 7DFL D2 receptor 7JVR
TM5 190 P 5.50x50 H1 receptor 7DFL H1 receptor 7DFL
TM5 191 F 5.51x51 H1 receptor 7DFL D2 receptor 7JVR
TM5 192 I 5.52x52 H1 receptor 7DFL D2 receptor 7JVR
TM5 193 L 5.53x53 H1 receptor 7DFL H1 receptor 7DFL
TM5 194 C 5.54x54 H1 receptor 7DFL - -
TM5 195 L 5.55x55 H1 receptor 7DFL H1 receptor 7DFL
TM5 196 I 5.56x56 H1 receptor 7DFL 5-HT2A receptor 6WHA
TM5 197 S 5.57x57 H1 receptor 7DFL AT1 receptor 6DO1
TM5 198 F 5.58x58 H1 receptor 7DFL FFA1 receptor 5TZY
TM5 199 F 5.59x59 H1 receptor 7DFL 5-HT2B receptor 5TUD
TM5 200 L 5.60x60 H1 receptor 7DFL AT1 receptor 6DO1
TM5 201 L 5.61x61 H1 receptor 7DFL Rhodopsin 4X1H
TM5 202 L 5.62x62 H1 receptor 7DFL CXCR2 6LFO
TM5 203 F 5.63x63 H1 receptor 7DFL Rhodopsin 4X1H
TM5 204 S 5.64x64 H1 receptor 7DFL 5-HT2A receptor 6WHA
TM5 205 L 5.65x65 H1 receptor 7DFL D2 receptor 7JVR
TM5 206 V 5.66x66 H1 receptor 7DFL CCR6 6WWZ
TM5 207 R 5.67x67 D2 receptor 7JVR D2 receptor 7JVR
TM5 208 H 5.68x68 D2 receptor 7JVR MC4 receptor 7AUE
TM5 209 T 5.69x69 D2 receptor 7JVR α2A-adrenoceptor 6KUX
TM5 210 K 5.70x70 D2 receptor 7JVR D2 receptor 7JVR
TM5 211 Q 5.71x71 D2 receptor 7JVR Rhodopsin 4X1H
TM5 212 I 5.72x72 D2 receptor 7JVR β2-adrenoceptor 3SN6
ICL3 213 R - - - - -
ICL3 214 L - - - - -
ICL3 215 H - - - - -
ICL3 216 A - - - - -
ICL3 217 T - - - - -
ICL3 218 G - - - - -
ICL3 219 F - - - - -
ICL3 220 R - - - - -
ICL3 221 D - - - - -
TM6 222 P 6.29x29 H1 receptor 7DFL P2Y1 receptor 4XNW
TM6 223 S 6.30x30 H1 receptor 7DFL CysLT2 receptor 6RZ6
TM6 224 T 6.31x31 H1 receptor 7DFL D1 receptor 7JVQ
TM6 225 E 6.32x32 H1 receptor 7DFL Rhodopsin 4X1H
TM6 226 A 6.33x33 H1 receptor 7DFL H1 receptor 7DFL
TM6 227 H 6.34x34 H1 receptor 7DFL - -
TM6 228 M 6.35x35 H1 receptor 7DFL GPR52 6LI3
TM6 229 R 6.36x36 H1 receptor 7DFL - -
TM6 230 A 6.37x37 H1 receptor 7DFL AT2 receptor 5UNG
TM6 231 I 6.38x38 H1 receptor 7DFL CCR6 6WWZ
TM6 232 K 6.39x39 H1 receptor 7DFL - -
TM6 233 A 6.40x40 H1 receptor 7DFL GPBA receptor 7CFN
TM6 234 V 6.41x41 H1 receptor 7DFL AT1 receptor 6DO1
TM6 235 I 6.42x42 H1 receptor 7DFL Rhodopsin 4X1H
TM6 236 I 6.43x43 H1 receptor 7DFL CXCR2 6LFO
TM6 237 F 6.44x44 H1 receptor 7DFL H1 receptor 7DFL
TM6 238 L 6.45x45 H1 receptor 7DFL 5-HT2C receptor 6BQG
TM6 239 L 6.46x46 H1 receptor 7DFL H1 receptor 7DFL
TM6 240 L 6.47x47 H1 receptor 7DFL GPR52 6LI3
TM6 241 L 6.48x48 H1 receptor 7DFL - -
TM6 242 I 6.49x49 H1 receptor 7DFL H1 receptor 7DFL
TM6 243 V 6.50x50 H1 receptor 7DFL - -
TM6 244 Y 6.51x51 H1 receptor 7DFL H1 receptor 7DFL
TM6 245 Y 6.52x52 H1 receptor 7DFL CXCR4 3ODU
TM6 246 P 6.53x53 H1 receptor 7DFL - -
TM6 247 V 6.54x54 H1 receptor 7DFL 5-HT1D receptor 7E32
TM6 248 F 6.55x55 H1 receptor 7DFL H1 receptor 7DFL
TM6 249 L 6.56x56 H1 receptor 7DFL 5-HT1D receptor 7E32
TM6 250 V 6.57x57 H1 receptor 7DFL H1 receptor 7DFL
TM6 251 M 6.58x58 H1 receptor 7DFL EP3 receptor 6AK3
TM6 252 T 6.59x59 H1 receptor 7DFL D3 receptor 7CMV
TM6 253 S 6.60x60 H1 receptor 7DFL MC4 receptor 7AUE
TM6 254 S 6.61x61 H1 receptor 7DFL 5-ht1E receptor 7E33
ECL3 255 A - - - - -
ECL3 256 L - - - - -
ECL3 257 I - - - - -
ECL3 258 P - - - - -
ECL3 259 Q - - - - -
TM7 260 G 7.31x31 H1 receptor 7DFL 5-HT2A receptor 6WHA
TM7 261 K 7.32x32 H1 receptor 7DFL CB2 receptor 6PT0
TM7 262 L 7.33x33 H1 receptor 7DFL H1 receptor 7DFL
TM7 263 V 7.34x34 H1 receptor 7DFL FPR2/ALX 6OMM
TM7 264 L 7.35x35 H1 receptor 7DFL EP4 receptor 7D7M
TM7 265 M 7.36x36 H1 receptor 7DFL - -
TM7 266 I 7.37x37 H1 receptor 7DFL 5-HT1A receptor 7E2X
TM7 267 G 7.38x38 H1 receptor 7DFL - -
TM7 268 D 7.39x39 H1 receptor 7DFL - -
TM7 269 I 7.40x40 H1 receptor 7DFL AT1 receptor 6DO1
TM7 270 V 7.41x41 H1 receptor 7DFL OX2 receptor 7L1V
TM7 271 T 7.42x42 H1 receptor 7DFL PAR2 5NDD
TM7 272 V 7.43x43 H1 receptor 7DFL D2 receptor 7JVR
TM7 273 I 7.44x44 - - - -
TM7 274 F 7.45x45 H1 receptor 7DFL - -
TM7 275 P 7.46x46 H1 receptor 7DFL EP4 receptor 7D7M
TM7 276 S 7.47x47 H1 receptor 7DFL κ receptor 6B73
TM7 277 S 7.48x48 H1 receptor 7DFL - -
TM7 278 H 7.49x49 H1 receptor 7DFL - -
TM7 279 S 7.50x50 H1 receptor 7DFL - -
TM7 280 F 7.51x51 H1 receptor 7DFL A2A receptor 4UHR
TM7 281 I 7.52x52 H1 receptor 7DFL H1 receptor 7DFL
TM7 282 L 7.53x53 H1 receptor 7DFL ETB receptor 5X93
TM7 283 I 7.54x54 H1 receptor 7DFL Rhodopsin 4X1H
TM7 284 M 7.55x55 H1 receptor 7DFL Rhodopsin 4X1H
TM7 285 G 7.56x56 H1 receptor 7DFL GPBA receptor 7CFM
H8 286 N 8.47x47 H1 receptor 3RZE H1 receptor 3RZE
H8 287 S 8.48x48 H1 receptor 3RZE Y2 receptor 7DDZ
H8 288 K 8.49x49 H1 receptor 3RZE CXCR2 6LFO
H8 289 L 8.50x50 H1 receptor 7DFL MC4 receptor 7AUE
H8 290 R 8.51x51 H1 receptor 7DFL D2 receptor 7JVR
H8 291 E 8.52x52 H1 receptor 7DFL FPR2/ALX 6OMM
H8 292 A 8.53x53 H1 receptor 7DFL D2 receptor 7JVR
H8 293 F 8.54x54 H1 receptor 7DFL H1 receptor 7DFL
H8 294 L 8.55x55 H1 receptor 7DFL D2 receptor 7JVR
H8 295 K 8.56x56 H1 receptor 7DFL D2 receptor 7JVR
H8 296 M 8.57x57 H1 receptor 7DFL CB1 receptor 5XRA
H8 297 L 8.58x58 5-HT2A receptor 6A94 D2 receptor 7JVR
H8 298 R 8.59x59 5-HT2A receptor 6A94 5-HT2C receptor 6BQG
H8 299 F 8.60x60 5-HT2A receptor 6A94 - -
C-term 300 V - - - - -
C-term 301 K - - - - -
C-term 302 C - - - - -
C-term 303 F - - - - -
C-term 304 L - - - - -