ID   SANT_PLAFP              Reviewed;          76 AA.
AC   P13822;
DT   01-JAN-1990, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1990, sequence version 1.
DT   25-MAY-2022, entry version 51.
DE   RecName: Full=S-antigen protein;
DE   Flags: Fragment;
OS   Plasmodium falciparum (isolate Palo Alto / Uganda).
OC   Eukaryota; Sar; Alveolata; Apicomplexa; Aconoidasida; Haemosporida;
OC   Plasmodiidae; Plasmodium; Plasmodium (Laverania).
OX   NCBI_TaxID=57270;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=3278225; DOI=10.1016/0166-6851(88)90036-9;
RA   Mattei D., Langsley G., Braun-Breton C., Guillotte M., Dubremetz J.-F.,
RA   Mercereau-Puijalon O.;
RT   "The S-antigen of Plasmodium falciparum Palo Alto represents a new S-
RT   antigen serotype.";
RL   Mol. Biochem. Parasitol. 27:171-180(1988).
CC   -!- FUNCTION: S antigens are soluble heat-stable proteins present in the
CC       sera of some infected individuals. {ECO:0000305}.
CC   -!- SUBCELLULAR LOCATION: Parasitophorous vacuole
CC       {ECO:0000250|UniProtKB:P04927}. Note=Localizes to the cell periphery in
CC       early schizonts and then to the parasitophorous vacuole in late
CC       schizonts. Following schizont rupture, the S-antigen is released in
CC       host sera. {ECO:0000250|UniProtKB:P04927}.
CC   -!- POLYMORPHISM: Diversity in S-antigen is mainly due to polymorphism in
CC       the repetitive regions. {ECO:0000305|PubMed:3278225}.
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DR   EMBL; M18834; AAA29759.1; -; Genomic_DNA.
DR   PIR; A54499; A54499.
DR   AlphaFoldDB; P13822; -.
DR   GO; GO:0020003; C:symbiont-containing vacuole; IEA:UniProtKB-SubCell.
PE   3: Inferred from homology;
KW   Malaria; Repeat.
FT   CHAIN           <1..>76
FT                   /note="S-antigen protein"
FT                   /id="PRO_0000217193"
FT   REGION          1..76
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   NON_TER         1
FT   NON_TER         76
SQ   SEQUENCE   76 AA;  7579 MW;  ED5A931162449ACE CRC64;
     EFRPNSDGDK GPNSDGDKGP NSDGDKGPNS DGDKGPNSDG DKGPNSDGDK GPNSDGDKGP
     NSDGDKGPNS DGDTEF