S-arrestin - β1-adrenoceptor complex model

GPCR CLASS (FAMILY)

A (Rhodopsin)

SPECIES

Homo sapiens

ARRESTIN FAMILY

Visual

DATE

2025-02-19

3D VIEW

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Tertiary structure confidence

Chain pLDDT score avg
β1 69.0
S-arrestin 80.4
Very high (>90)
Confident (90-70)
Low (70-50)
Very low (<50)
Disordered

PTM Score: 0.6
iPTM Score: 0.5
PAE mean: 18.6


GPCR - Arrestin interface interactions



The biflare plot is a modified version of a flareplot, where lines are drawn between an inner concentric circle (arrestin residues) and an outer concentric circle (GPCR residues) depicting the interface interactions.
Different interaction types are shown with different line types (aromatic - solid, hydrophobic - dashed, ionic - long dashed, polar - dotted, Van der Waals - dash-dot).
The interactive features include filtering on interaction type, segments, residues and backbone or sidechain interactions.


Interaction definitions:

Residue numbering:

GPCR-Arrestin backbone (bb) or sidechain (sc):





Structures

Sequence Color

Arrestin, GPCR
Interaction cut-off: strict (stick), loose (line)

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Interaction
type		 GPCR
Segment
AA
Number		 Generic
number		 Arrestin
segment
AA
Number		 Generic
number
Polar TM5 K 257 5x71 S6 R 85 N.S6.03
Hydrophobic TM5 K 257 5x71 S6 R 85 N.S6.03
Van-der-waals TM5 K 257 5x71 S6 R 85 N.S6.03
Van-der-waals TM3 A 159 3x53 S5 Y 71 N.S5.12
Hydrophobic H8 S 380 8x47 s5s6 D 77 N.s5s6.06
Van-der-waals H8 S 380 8x47 s5s6 D 77 N.s5s6.06
Hydrophobic TM3 I 160 3x54 s5s6 I 76 N.s5s6.05
Polar TM5 Q 254 5x68 S6 R 85 N.S6.03
Hydrophobic TM5 Q 254 5x68 S6 R 85 N.S6.03
Van-der-waals TM5 Q 254 5x68 S6 R 85 N.S6.03
Hydrophobic TM3 R 156 3x50 s5s6 V 78 N.s5s6.07
Hydrophobic TM6 I 329 6x40 s5s6 I 79 N.s5s6.08
Hydrophobic ICL3 F 265 - s17s18 V 324 C.s17s18.40
Van-der-waals ICL3 F 265 - s17s18 V 324 C.s17s18.40
Hydrophobic TM5 I 258 5x72 S6 R 85 N.S6.03
Van-der-waals TM5 I 258 5x72 S6 R 85 N.S6.03
Ionic TM6 R 318 6x29 s9s10 E 165 N.s9s10.07
Polar TM6 R 318 6x29 s9s10 E 165 N.s9s10.07
Van-der-waals TM6 R 318 6x29 s9s10 E 165 N.s9s10.07
Hydrophobic TM7 Y 377 7x53 s5s6 V 78 N.s5s6.07
Van-der-waals TM7 Y 377 7x53 s5s6 V 78 N.s5s6.07
Hydrophobic ICL3 C 261 - s17s18 V 324 C.s17s18.40
Van-der-waals ICL3 C 261 - s17s18 V 324 C.s17s18.40
Polar ICL3 F 265 - s7s8 Y 129 N.s7s8.05
Aromatic ICL3 F 265 - s7s8 Y 129 N.s7s8.05
Hydrophobic ICL3 F 265 - s7s8 Y 129 N.s7s8.05
Van-der-waals ICL3 F 265 - s7s8 Y 129 N.s7s8.05
Polar TM6 R 318 6x29 S6 R 84 N.S6.02
Van-der-waals TM6 R 318 6x29 S6 R 84 N.S6.02
Hydrophobic TM3 R 156 3x50 s5s6 I 76 N.s5s6.05
Van-der-waals TM3 R 156 3x50 s5s6 I 76 N.s5s6.05
Ionic ICL3 R 264 - s17s18 D 321 C.s17s18.37
Polar ICL3 R 264 - s17s18 D 321 C.s17s18.37
Hydrophobic ICL3 R 264 - s17s18 D 321 C.s17s18.37
Van-der-waals ICL3 R 264 - s17s18 D 321 C.s17s18.37
Polar ICL2 P 163 34x50 S5 Y 71 N.S5.12
Hydrophobic ICL2 P 163 34x50 S5 Y 71 N.S5.12
Van-der-waals ICL2 P 163 34x50 S5 Y 71 N.S5.12
Aromatic ICL2 F 164 34x51 S16 Y 259 C.S16.03
Hydrophobic ICL2 F 164 34x51 S16 Y 259 C.S16.03
Van-der-waals ICL2 F 164 34x51 S16 Y 259 C.S16.03
Hydrophobic ICL2 F 164 34x51 S16 D 257 C.S16.01
Polar TM3 S 162 3x56 S5 Y 71 N.S5.12
Hydrophobic ICL2 F 164 34x51 S9 C 147 N.S9.01
Van-der-waals ICL2 F 164 34x51 S9 C 147 N.S9.01
Hydrophobic TM3 I 160 3x54 s5s6 I 79 N.s5s6.08
Polar ICL3 L 266 - s7s8 Y 129 N.s7s8.05
Hydrophobic ICL2 F 164 34x51 S8 L 136 N.S8.03
Van-der-waals ICL2 F 164 34x51 S8 L 136 N.S8.03
Hydrophobic ICL2 Q 167 34x54 s8s9 D 142 N.s8s9.06
Van-der-waals ICL2 Q 167 34x54 s8s9 D 142 N.s8s9.06
Polar H8 P 381 8x48 s5s6 D 77 N.s5s6.06
Hydrophobic H8 P 381 8x48 s5s6 D 77 N.s5s6.06
Van-der-waals H8 P 381 8x48 s5s6 D 77 N.s5s6.06
Hydrophobic TM2 I 97 2x43 s5s6 V 78 N.s5s6.07
Hydrophobic TM6 L 314 6x25 s9s10 E 165 N.s9s10.07
Hydrophobic TM3 I 160 3x54 s15s16 Y 254 C.s15s16.03
Van-der-waals TM3 I 160 3x54 s15s16 Y 254 C.s15s16.03
Hydrophobic TM3 I 160 3x54 S6 F 83 N.S6.01
Van-der-waals TM3 I 160 3x54 S6 F 83 N.S6.01
Polar TM5 Q 254 5x68 s15s16 Y 254 C.s15s16.03
Hydrophobic TM5 Q 254 5x68 s15s16 Y 254 C.s15s16.03
Van-der-waals TM5 Q 254 5x68 s15s16 Y 254 C.s15s16.03
Hydrophobic ICL2 F 164 34x51 S15 V 251 C.S15.14
Van-der-waals ICL2 F 164 34x51 S15 V 251 C.S15.14
Hydrophobic TM3 I 152 3x46 s5s6 V 78 N.s5s6.07
Polar TM6 T 325 6x36 s5s6 I 79 N.s5s6.08
Hydrophobic TM6 T 325 6x36 s5s6 I 79 N.s5s6.08
Van-der-waals TM6 T 325 6x36 s5s6 I 79 N.s5s6.08
Hydrophobic TM3 R 156 3x50 s5s6 I 79 N.s5s6.08
Van-der-waals TM3 R 156 3x50 s5s6 I 79 N.s5s6.08
Polar ICL2 Q 167 34x54 s8s9 K 145 N.s8s9.09
Hydrophobic ICL2 Q 167 34x54 s8s9 K 145 N.s8s9.09
Van-der-waals ICL2 Q 167 34x54 s8s9 K 145 N.s8s9.09
Hydrophobic TM5 Y 244 5x58 s5s6 I 79 N.s5s6.08
Van-der-waals TM5 Y 244 5x58 s5s6 I 79 N.s5s6.08
Hydrophobic TM5 V 247 5x61 s5s6 L 81 N.s5s6.10
Ionic TM6 R 318 6x29 S6 D 86 N.S6.04
Polar TM6 R 318 6x29 S6 D 86 N.S6.04
Hydrophobic TM6 R 318 6x29 S6 D 86 N.S6.04
Van-der-waals TM6 R 318 6x29 S6 D 86 N.S6.04
Hydrophobic TM6 L 326 6x37 s5s6 I 79 N.s5s6.08
Van-der-waals TM6 L 326 6x37 s5s6 I 79 N.s5s6.08
Hydrophobic TM6 T 325 6x36 s5s6 G 80 N.s5s6.09
Hydrophobic TM2 T 93 2x39 s5s6 V 78 N.s5s6.07
Ionic TM6 R 313 6x24 s9s10 D 162 N.s9s10.04
Hydrophobic ICL2 Y 166 34x53 s8s9 K 145 N.s8s9.09
Hydrophobic TM6 A 322 6x33 s5s6 L 81 N.s5s6.10
Van-der-waals TM6 A 322 6x33 s5s6 L 81 N.s5s6.10
Hydrophobic H8 S 380 8x47 s5s6 D 75 N.s5s6.04
Hydrophobic ICL3 L 266 - S6 Y 88 N.S6.06
Hydrophobic ICL2 F 164 34x51 S5 Y 71 N.S5.12
Polar TM3 I 160 3x54 S5 Y 71 N.S5.12
Hydrophobic TM3 I 160 3x54 S5 Y 71 N.S5.12
Van-der-waals TM3 I 160 3x54 S5 Y 71 N.S5.12
Ionic C-term D 433 - s17s18 K 304 C.s17s18.20
Polar C-term D 433 - s17s18 K 304 C.s17s18.20
Van-der-waals C-term D 433 - s17s18 K 304 C.s17s18.20
Hydrophobic TM3 A 159 3x53 s5s6 I 76 N.s5s6.05
Hydrophobic H8 D 382 8x49 s5s6 D 75 N.s5s6.04
Van-der-waals H8 D 382 8x49 s5s6 D 75 N.s5s6.04
Polar C-term D 433 - s20c N 386 C.s20c.05