ðiːz mˈɑːlɪkjˌuːlz ɑːɹ tˈɪltᵻd baɪ ɐbˌaʊt fˈɪftiːn dᵻɡɹˈiːz tə ðə fˈɪbɹəl ˈæksɪs, ænd bɪkˈʌz ʌv ðˈɪs, ðɪ ˈæksɪəl pˌiəɹɪˌɑːdˈɪsᵻɾi ʌvðə fˈɪbɹəlz ɪz ɹᵻdˈuːst tə sˈɪksti fˈaɪv ˌɛnˈɛm ɪn tˈɛndənz, ðə pˌiəɹɪˌɑːdˈɪsᵻɾi ɪz sˈɪksti sˈɛvən ˌɛnˈɛm.
These molecules are tilted by about 15 degrees to the fibril axis, and because of this, the axial periodicity of the fibrils is reduced to 65 nm (in tendons, the periodicity is 67 nm).