tɹˈɑːpəmɪˌɑːsɪn ɹᵻsˈɛptɚ kˈɪneɪs ɐ tˌiːˌɑːɹkˈeɪ ɐ, ˈɔːlsoʊ nˈoʊn æz hˈaɪ ɐfˈɪnᵻɾi nˈɜːv ɡɹˈoʊθ fˈæktɚ ɹᵻsˈɛptɚ, nˌʊɹɹətɹˈoʊfɪk tˈaɪɹəsˌaɪn kˈɪneɪs ɹᵻsˈɛptɚ tˈaɪp wˈʌn, ɔːɹ tˌiːˌɑːɹkˈeɪ wˈʌntɹænsfˈɔːɹmɪŋ tˈaɪɹəsˌaɪn kˈɪneɪs pɹˈoʊtiːn ɪz ɐ pɹˈoʊtiːn ðæt ɪn hjˈuːmənz ɪz ɛŋkˈoʊdᵻd baɪ ðɪ ˌɛntˌiːˌɑːɹkˈeɪ wˈʌn dʒˈiːn.
Tropomyosin receptor kinase A (TrkA), also known as high affinity nerve growth factor receptor, neurotrophic tyrosine kinase receptor type 1, or TRK1-transforming tyrosine kinase protein is a protein that in humans is encoded by the NTRK1 gene.