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4YPS

(R)-2-Phenylpyrrolidine Substitute Imidazopyridazines: a New Class of Potent and Selective Pan-TRK Inhibitors

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
High affinity nerve growth factor receptorpolymer30334261.61UniProt (P04629)
Pfam (PF07714)
Homo sapiens (Human)Neurotrophic tyrosine kinase receptor type 1,TRK1-transforming tyrosine kinase protein,Tropomyosin-related kinase A,Tyrosine kinase receptor,Tyrosine kinase receptor A,Trk-A,gp140trk,p140-TrkA
2B
(A)
4-{6-[(3R)-3-(3-fluorophenyl)morpholin-4-yl]imidazo[1,2-b]pyridazin-3-yl}benzonitrilenon-polymer399.41Chemie (4F6)
3C, D, E, F
(A)
SULFATE IONnon-polymer96.14Chemie (SO4)
4G
(A)
waterwater18.050Chemie (HOH)
Sequence modifications
A: 502 - 796 (UniProt: P04629)
PDBExternal DatabaseDetails
Gly -7-expression tag
Ala -6-expression tag
Met -5-expression tag
Gly -4-expression tag
Ser -3-expression tag
Gly -2-expression tag
Ile -1-expression tag
Arg 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight34261.6
Non-Polymers*Number of molecules5
Total formula weight783.7
All*Total formula weight35045.3
*Water molecules are not included.

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PDB entries from 2025-12-24

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