tɹˈɑːpəmɪˌɑːsɪn ɹᵻsˈɛptɚ kˈɪneɪs bˈiː tˌiːˌɑːɹkˈeɪ bˈiː, ˈɔːlsoʊ nˈoʊn æz tˈaɪɹəsˌaɪn ɹᵻsˈɛptɚ kˈɪneɪs bˈiː, ɔːɹ bˌiːdˌiːˌɛnˈɛf slˈæʃ ˌɛntˈiː θɹˈiː ɡɹˈoʊθ fˈæktɚz ɹᵻsˈɛptɚ ɔːɹ nˌʊɹɹətɹˈoʊfɪk tˈaɪɹəsˌaɪn kˈɪneɪs, ɹᵻsˈɛptɚ, tˈaɪp tˈuː ɪz ɐ pɹˈoʊtiːn ðæt ɪn hjˈuːmənz ɪz ɛŋkˈoʊdᵻd baɪ ðɪ ˌɛntˌiːˌɑːɹkˈeɪ tˈuː dʒˈiːn.
Tropomyosin receptor kinase B (TrkB), also known as tyrosine receptor kinase B, or BDNF/NT-3 growth factors receptor or neurotrophic tyrosine kinase, receptor, type 2 is a protein that in humans is encoded by the NTRK2 gene.