ID   MSA1_SARMU              Reviewed;         280 AA.
AC   Q01416;
DT   01-JUL-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1993, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=Merozoite 31 kDa surface antigen;
DE   Flags: Precursor;
OS   Sarcocystis muris.
OC   Eukaryota; Sar; Alveolata; Apicomplexa; Conoidasida; Coccidia;
OC   Eucoccidiorida; Eimeriorina; Sarcocystidae; Sarcocystis.
OX   NCBI_TaxID=5813;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA], PROTEIN SEQUENCE OF 13-16 (PRECURSOR PROTEIN),
RP   AND PROTEIN SEQUENCE OF 107-118.
RX   PubMed=1501635; DOI=10.1016/0166-6851(92)90018-f;
RA   Eschenbacher K.-H., Sommer I., Meyer H.E., Mehlhorn H., Rueger W.;
RT   "Cloning and expression in Escherichia coli of cDNAs encoding a 31-
RT   kilodalton surface antigen of Sarcocystis muris.";
RL   Mol. Biochem. Parasitol. 53:159-167(1992).
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000305}; Lipid-anchor, GPI-
CC       anchor {ECO:0000305}.
CC   -!- DEVELOPMENTAL STAGE: Merozoite.
CC   -!- PTM: The N-terminus is blocked.
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DR   EMBL; M76496; AAA29805.1; -; mRNA.
DR   PIR; A45570; S27835.
DR   AlphaFoldDB; Q01416; -.
DR   SMR; Q01416; -.
DR   GO; GO:0031225; C:anchored component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   Gene3D; 2.60.40.1320; -; 2.
DR   InterPro; IPR007226; SRS_dom.
DR   InterPro; IPR036755; SRS_dom_sf.
DR   Pfam; PF04092; SAG; 1.
DR   SUPFAM; SSF74877; SSF74877; 1.
PE   1: Evidence at protein level;
KW   Cell membrane; Direct protein sequencing; Glycoprotein; GPI-anchor;
KW   Lipoprotein; Membrane; Signal.
FT   SIGNAL          1..23
FT                   /evidence="ECO:0000255"
FT   CHAIN           24..256
FT                   /note="Merozoite 31 kDa surface antigen"
FT                   /id="PRO_0000021765"
FT   PROPEP          257..280
FT                   /note="Removed in mature form"
FT                   /evidence="ECO:0000255"
FT                   /id="PRO_0000021766"
FT   LIPID           256
FT                   /note="GPI-anchor amidated alanine"
FT                   /evidence="ECO:0000255"
FT   CARBOHYD        26
FT                   /note="N-linked (GlcNAc...) asparagine"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   280 AA;  29679 MW;  41CA3955EA9F6658 CRC64;
     MAAVVEVILA VMVVFLWPLT SVASSNVSST LQCDKTNKRL ATETISTPQA TLKLACPSST
     TFLPTYTGDA GTQTVYLTQD GSSTEKLQTA LPGATAKQED SQTNEMTLTF PQLPDTSQTV
     YFHCLGTENI AGQGSRKEVC GFAVTLTAPP PQGPQACVVP GTTIRLGIAN EGDTTRFTCG
     GDLKLSPTAA DKVFKEDCST EESLKDLKRS EDKNSYFVLT ATKTPSKTTH CYLCEPDPTK
     KGHNDKNCAV LIAVGAGSRP TARSVFGVAA PCILALLHFT