Proline-rich membrane anchor 1 (PRiMA)
1_MLLRD 6_ LVLRR 11_ GCCWS 16_ SLLLH 21_ CALHP 26_ LWGFV 31_ QVTHG 36_ EPQKS 41_ CSKVT 46_ DSCRH 51_ VCQCR 56_ PPPPL 61_ PPPPP 66_ PPPPP 71_ RLLSA 76_ PAPNS 81_ TSCPT 86_ EESWW 91_ SGLVI 96_ IIAVC 101_ CASLV 106_ FLTVL 111_ VIICY 116_ KAIKR 121_ KPLRK 126_ DENGT 131_ SVAEY 136_ PMSAS 141_ QSNKG 146_VDVNN
1: Required to anchor acetylcholinesterase (ACHE) to the basal lamina of the neuromuscular junction and to the membrane of neuronal synapses in brain. Also able to organize ACHE into tetramers (By similarity)