PDB
9W2J
Resolution
2.8 Å
Released
June 17, 2026
Receptor
NK2
Class
A
Species
Homo sapiens
Ligand
Peptide 383 (P383)
Function
Agonist
Reference
—

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Ligand Amino Acid Generic Number Segment Interaction Type
Peptide 383 (P383) A25 N-term hydrophobic
Peptide 383 (P383) F26 N-term hydrophobic
Peptide 383 (P383) N86 2.57x57 TM2 polar (hydrogen bond)
Peptide 383 (P383) N86 2.57x57 TM2 polar (hydrogen bond)
Peptide 383 (P383) N90 2.61x61 TM2 Van der Waals
Peptide 383 (P383) N90 2.61x61 TM2 polar (hydrogen bond)
Peptide 383 (P383) N90 2.61x61 TM2 polar (hydrogen bond)
Peptide 383 (P383) Y93 2.64x64 TM2 Van der Waals
Peptide 383 (P383) Y93 2.64x64 TM2 hydrophobic
Peptide 383 (P383) A94 2.65x65 TM2 hydrophobic
Peptide 383 (P383) A94 2.65x65 TM2 Van der Waals
Peptide 383 (P383) N97 ECL1 Van der Waals
Peptide 383 (P383) N97 ECL1 polar (hydrogen bond)
Peptide 383 (P383) N97 ECL1 polar (hydrogen bond)
Peptide 383 (P383) I114 3.33x33 TM3 hydrophobic
Peptide 383 (P383) I114 3.33x33 TM3 Van der Waals
Peptide 383 (P383) M117 3.36x36 TM3 hydrophobic
Peptide 383 (P383) Q166 4.60x61 TM4 polar (hydrogen bond)
Peptide 383 (P383) Q166 4.60x61 TM4 Van der Waals
Peptide 383 (P383) D175 ECL2 polar (charge-assisted hydrogen bond)
Peptide 383 (P383) D175 ECL2 polar (hydrogen bond with backbone)
Peptide 383 (P383) Q176 ECL2 Van der Waals
Peptide 383 (P383) K180 ECL2 polar (charge-assisted hydrogen bond)
Peptide 383 (P383) V182 45.51x51 ECL2 Van der Waals
Peptide 383 (P383) V182 45.51x51 ECL2 hydrophobic
Peptide 383 (P383) Y266 6.51x51 TM6 Van der Waals
Peptide 383 (P383) Y266 6.51x51 TM6 polar (hydrogen bond)
Peptide 383 (P383) Y269 6.54x54 TM6 Van der Waals
Peptide 383 (P383) F270 6.55x55 TM6 hydrophobic
Peptide 383 (P383) F270 6.55x55 TM6 Van der Waals
Peptide 383 (P383) Y280 ECL3 Van der Waals
Peptide 383 (P383) Y280 ECL3 polar (hydrogen bond with backbone)
Peptide 383 (P383) C281 ECL3 Van der Waals
Peptide 383 (P383) C281 ECL3 hydrophobic
Peptide 383 (P383) I285 7.31x30 TM7 hydrophobic
Peptide 383 (P383) I285 7.31x30 TM7 Van der Waals
Peptide 383 (P383) Q286 7.32x31 TM7 Van der Waals
Peptide 383 (P383) Y289 7.35x34 TM7 hydrophobic
Peptide 383 (P383) Y289 7.35x34 TM7 Van der Waals
Peptide 383 (P383) F293 7.39x38 TM7 Van der Waals
Peptide 383 (P383) F293 7.39x38 TM7 hydrophobic

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Snake plot — Download: PNG | SVG
ICL1 R R M R ICL1ECL1 I W Y F ECL1ICL2 P F Q P R L ICL2ECL2 T V T M D Q G A T K C V V A W P E D ECL2ICL3 Q A H G ICL3ECL3 E D I Y C H ECL3N-term M G T C D I V T E A N I S S G P E S N T T G I T A F S M N-termC-term R C C P W V T P T K E D K L E L T P T T S L S T R V N R C H T K E T L F M A G D T A P S E A T S G E A G R P Q D G S G L W F G Y G L L A P T K T H V E I C-term P S W Q L A L W A T A Y L A L V L V A V T G N A I V I W I I L A H T V T N Y F I V N L A L A D L C M A A F N A A F N F V Y A S H N G R A F C Y F Q N L F P I T A M F V S I Y S M T A I A A D R Y M A I V H S A P S T K A V I A G I W L V A L A L A S P Q C F Y S S G G K T L L L Y H L V V I A L I Y F L P L A V M F V A Y S V I G L T L W R R A V P G H A N L R H L Q A M K K F V K T M V L V V L T F A I C W L P Y H L Y F I L G S F Q K F I Q Q V Y L A L F W L A M S S T M Y N P I I Y C C L N H R F R L F R S G A F
Helix box plot — Download: PNG | SVG A N G T V A V L V L A L Y A T A W L A L 1 V N L A L A D L C M A A F N A A F N F V 2 A T M S Y I S V F M A T I P F L N Q F Y 3 T K A V I A G I W L V A L A L A S P Q 4 Y A V F M V A L P L F Y I L A I V V L H Y 5 V L V V L T F A I C W L P Y H L Y F I L 6 I P N Y M T S S M A L W F L A L Y V Q 7

GPCRdb(A)
GPCRdb(A)
NK2 receptor
TM2
2x57 2.57x57 N86
2x61 2.61x61 N90
2x64 2.64x64 Y93
2x65 2.65x65 A94
TM3
3x33 3.33x33 I114
3x36 3.36x36 M117
TM4
4x61 4.60x61 Q166
ECL2
45x51 45.51x51 V182
TM6
6x51 6.51x51 Y266
6x54 6.54x54 Y269
6x55 6.55x55 F270
TM7
7x30 7.31x30 I285
7x31 7.32x31 Q286
7x34 7.35x34 Y289
7x38 7.39x38 F293