ID PSA_DICDI STANDARD; PRT; 168 AA. AC P12729; DT 01-OCT-1989 (REL. 12, CREATED) DT 01-OCT-1989 (REL. 12, LAST SEQUENCE UPDATE) DT 01-OCT-1996 (REL. 34, LAST ANNOTATION UPDATE) DE PRESPORE-SPECIFIC CELL SURFACE ANTIGEN PSA PRECURSOR (D19 PROTEIN). GN PSAA OR PSPA OR D19. OS DICTYOSTELIUM DISCOIDEUM (SLIME MOLD). OC EUKARYOTA; PROTOZOA; SARCOMASTIGOPHORA; SARCODINA; RHIZOPODA; OC EUMYCETOZOA; DICTYOSTELIA. RN [1] RP SEQUENCE FROM N.A., AND SEQUENCE OF 20-100. RC STRAIN=AX2; RX MEDLINE; 89096939. RA EARLY A.E., WILLIAMS J.G., MEYER H.E., POR S.B., SMITH E., RA WILLIAMS K.L., GOOLEY A.A.; RL MOL. CELL. BIOL. 8:3458-3466(1988). RN [2] RP SEQUENCE FROM N.A. RC STRAIN=AX2; RX MEDLINE; 89385975. RA EARLY A.E., WILLIAMS J.G.; RL NUCLEIC ACIDS RES. 17:6473-6473(1989). RN [3] RP SEQUENCE FROM N.A. RC STRAIN=AX2; RX MEDLINE; 89209378. RA EARLY A.E., MCROBBIE S.J., DUFFY K.T., JERMYN K.A., TILLY R., RA CECCARELLI A., WILLIAMS J.G.; RL DEV. GENET. 9:383-402(1988). RN [4] RP POLYMORPHISM. RX MEDLINE; 92258689. RA GOOLEY A.A., MARSHCHALEK R., WILLIAMS K.L.; RL GENETICS 130:749-756(1992). RN [5] RP GPI-ANCHOR, AND O-GLYCOSYLATION. RX MEDLINE; 94009033. RA HAYNES P.A., GOOLEY A.A., FERGUSON M.A., REDMOND J.W., WILLIAMS K.L.; RL EUR. J. BIOCHEM. 216:729-737(1993). RN [6] RP PARTIAL SEQUENCE, AND O-GLYCOSYLATION. RX MEDLINE; 96283849. RA ZACHARA N.E., PACKER N.H., TEMPLE M.D., SLADE M.B., JARDINE D.R., RA KARUSO P., MOSS C.J., MABBUTT B.C., CURMI P.M.G., WILLIAMS K.L., RA GOOLEY A.A.; RL EUR. J. BIOCHEM. 238:511-518(1996). CC -!- SUBCELLULAR LOCATION: ATTACHED TO THE MEMBRANE BY A GPI-ANCHOR CC THAT CONTAINS A PHOSPHOCERAMIDE MOIETY. CC -!- DEVELOPMENTAL STAGE: APPEARS FIRST IN THE MULTICELLULAR STAGE SOON CC AFTER TIP FORMATION AND IS SELECTIVELY EXPRESSED ON PRESPORE CC CELLS. CC -!- PTM: O-GLYCOSYLATED IN THE REPEAT REGION. THE OLIGOSACCHARIDES CC CONTAIN N-ACETYLGLUCOSAMINE AND FUCOSE AS THE MAJOR CONSTITUENTS. CC -!- POLYMORPHISM: ALLELIC VARIATION RESULTS IN A PROTEIN WITH THREE, CC FOUR OR FIVE TANDEM COPIES OF PRO-THR-VAL-THR. DR EMBL; M20909; G167858; -. DR EMBL; X15980; G7158; -. DR PIR; A31196; A31196. DR PIR; A54733; A54733. DR DICTYDB; DD03005; PSAA. KW SIGNAL; MEMBRANE; GLYCOPROTEIN; ANTIGEN; REPEAT; GPI-ANCHOR; KW POLYMORPHISM. FT SIGNAL 1 19 FT CHAIN 20 147 PRESPORE-SPECIFIC CELL SURFACE ANTIGEN FT PSA. FT PROPEP 148 168 REMOVED IN MATURE FORM (POTENTIAL). FT DOMAIN 108 146 PRO/THR-RICH. FT DOMAIN 116 127 3 X 4 AA TANDEM REPEATS OF T-P-T-V. FT REPEAT 116 119 1. FT REPEAT 120 123 2. FT REPEAT 124 127 3. FT CARBOHYD 110 110 FT CARBOHYD 114 114 FT CARBOHYD 116 116 FT CARBOHYD 118 118 FT CARBOHYD 120 120 FT CARBOHYD 122 122 FT CARBOHYD 124 124 FT CARBOHYD 126 126 FT CARBOHYD 128 128 FT CARBOHYD 130 130 FT CARBOHYD 132 132 FT CARBOHYD 134 134 FT CARBOHYD 138 138 FT CARBOHYD 140 140 FT LIPID 147 147 GPI-ANCHOR (POTENTIAL). SQ SEQUENCE 168 AA; 17879 MW; A18EAED7 CRC32; MKFQHTFIAL LSLLTYANAY DYFTTTLANQ NPVCASVDVI QNVCTEVCGR FVRYIPDATN TNQFTFAEYT TNQCTVQVTP AVTNTFTCAD QTSSHALGSD WSGVCKITAT PAPTVTPTVT PTVTPTVTPT PTNTPNPTPS QTSTTTGSAS TVVASLSLII FSMILSLC //