ID   HS21C_WHEAT             Reviewed;         238 AA.
AC   Q00445;
DT   01-DEC-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-1992, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Small heat shock protein, chloroplastic;
DE   AltName: Full=Heat shock protein 26.6;
DE   Flags: Precursor;
GN   Name=HSP21; Synonyms=HSP26.6;
OS   Triticum aestivum (Wheat).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; Liliopsida; Poales; Poaceae; BOP clade;
OC   Pooideae; Triticodae; Triticeae; Triticinae; Triticum.
OX   NCBI_TaxID=4565;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Mustang; TISSUE=Leaf;
RX   PubMed=1863777; DOI=10.1007/bf00039500;
RA   Weng J., Wang Z.F., Nguyen H.T.;
RT   "Nucleotide sequence of a Triticum aestivum cDNA clone which is homologous
RT   to the 26 kDa chloroplast-localized heat shock protein gene of maize.";
RL   Plant Mol. Biol. 17:255-258(1991).
CC   -!- SUBCELLULAR LOCATION: Plastid, chloroplast.
CC   -!- SIMILARITY: Belongs to the small heat shock protein (HSP20) family.
CC       {ECO:0000255|PROSITE-ProRule:PRU00285}.
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DR   EMBL; X58280; CAA41219.1; -; mRNA.
DR   AlphaFoldDB; Q00445; -.
DR   SMR; Q00445; -.
DR   STRING; 4565.Traes_4AS_8BA1E69CA.1; -.
DR   PRIDE; Q00445; -.
DR   eggNOG; KOG0710; Eukaryota.
DR   Proteomes; UP000019116; Unplaced.
DR   ExpressionAtlas; Q00445; baseline.
DR   GO; GO:0009507; C:chloroplast; IEA:UniProtKB-SubCell.
DR   GO; GO:0009408; P:response to heat; IEA:InterPro.
DR   Gene3D; 2.60.40.790; -; 1.
DR   InterPro; IPR002068; A-crystallin/Hsp20_dom.
DR   InterPro; IPR008978; HSP20-like_chaperone.
DR   InterPro; IPR044587; HSP21-like.
DR   PANTHER; PTHR46733; PTHR46733; 1.
DR   Pfam; PF00011; HSP20; 1.
DR   SUPFAM; SSF49764; SSF49764; 1.
DR   PROSITE; PS01031; SHSP; 1.
PE   2: Evidence at transcript level;
KW   Chloroplast; Plastid; Reference proteome; Stress response; Transit peptide.
FT   TRANSIT         1..?
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   CHAIN           ?..238
FT                   /note="Small heat shock protein, chloroplastic"
FT                   /id="PRO_0000013535"
FT   DOMAIN          124..238
FT                   /note="sHSP"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00285"
FT   REGION          31..87
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        39..75
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   238 AA;  26596 MW;  4F8B16CE2C5C45D7 CRC64;
     MAAANAPFAL VSRLSPAARL PIRAWRAARP APLSTGGRTR PLSVASAAQE NRDNSVDVQV
     SQAQNAGNQQ GNAVQRRPRR AGFDISPFGL VDPMSPMRTM RQMLDTMDRL FDDAVGFPTR
     RSPAARARRR MPWDIMEDEK EVKMRFDMPG LSREEVRVMV EDDALVIRGE HKKEAGEGQG
     EGGDGWWKER SVSSYDMRLA LPDECDKSQV RAELKNGVLL VSVPKRETER KVIDVQVQ