18S rRNA aminocarboxypropyltransferase (EC 2.5.1.-) (20S S rRNA accumulation protein 3 homolog) (HsTsr3)
1_MGRRR 6_ AARGP 11_ GAEGG 16_ RPRHL 21_ PTRSL 26_ EAFAE 31_ EVGAA 36_ LQASV 41_ EPGAA 46_ DGEGG 51_ PGPAA 56_ LPCTL 61_ AMWEL 66_ GHCDP 71_ RRCTG 76_ RKLAR 81_ LGLVR 86_ CLRLG 91_ HRFGG 96_ LVLSP 101_ VGKQY 106_ ASPAD 111_ RQLVA 116_ QSGVA 121_ VIDCS 126_ WARLD 131_ ETPFG 136_ KMRGS 141_ HLRLL 146_ PYLVA 151_ ANPVN 156_ YGRPY 161_ RLSCV 166_ EAFAA 171_ TFCIV 176_ GFPDL 181_ AVILL 186_ RKFKW 191_ GKGFL 196_ DLNRQ 201_ LLDKY 206_ AACGS 211_ PEEVL 216_ QAEQE 221_ FLANA 226_ KESPQ 231_ EEEID 236_ PFDVD 241_ SGREF 246_ GNPNR 251_ PVAST 256_ RLPSD 261_ TDDSD 266_ ASEDP 271_ GPGAE 276_ RGGAS 281_ SSCCE 286_ EEQTQ 291_ GRGAE 296_ ARAPA 301_ EVWKG 306_IKKRQ
1: Aminocarboxypropyltransferase that catalyzes the aminocarboxypropyl transfer on pseudouridine at position 1248 (Psi1248) in 18S rRNA (Probable). It constitutes the last step in biosynthesis of the hypermodified N1-methyl-N3-(3-amino-3-carboxypropyl) pseudouridine (m1acp3-Psi) conserved in eukaryotic 18S rRNA (Probable)