ID   HS22C_PETHY             Reviewed;         241 AA.
AC   P30222;
DT   01-APR-1993, integrated into UniProtKB/Swiss-Prot.
DT   01-APR-1993, sequence version 1.
DT   25-MAY-2022, entry version 72.
DE   RecName: Full=Small heat shock protein, chloroplastic;
DE   Flags: Precursor;
GN   Name=HSP22;
OS   Petunia hybrida (Petunia).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   asterids; lamiids; Solanales; Solanaceae; Petunioideae; Petunia.
OX   NCBI_TaxID=4102;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Mitchell; TISSUE=Leaf;
RX   PubMed=2038305; DOI=10.1007/bf00260655;
RA   Chen Q., Vierling E.;
RT   "Analysis of conserved domains identifies a unique structural feature of a
RT   chloroplast heat shock protein.";
RL   Mol. Gen. Genet. 226:425-431(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; X54103; CAA38037.1; -; mRNA.
DR   PIR; S16004; S16004.
DR   AlphaFoldDB; P30222; -.
DR   SMR; P30222; -.
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; Stress response; Transit peptide.
FT   TRANSIT         1..?
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   CHAIN           ?..241
FT                   /note="Small heat shock protein, chloroplastic"
FT                   /id="PRO_0000013533"
FT   DOMAIN          133..241
FT                   /note="sHSP"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00285"
SQ   SEQUENCE   241 AA;  26796 MW;  F5FE4C927C759469 CRC64;
     MACKTLTCSA SPLVSNGVVS ATSRTNNKKT TTAPFSVCFP YSKCSVRKPA SRLVAQATGD
     NKDTSVDVHV SNNNQGGNNQ GSAVERRPRR MALDVSPFGL LDPMSPMRTM RQMMDTMDRL
     FEDTMTFPGS RNRGTGEIRA PWDIKDDENE IKMRFDMPGL SKEEVKVSVE DDVLVIKGEH
     KKEESGKDDS WGRNYSSYDT RLSLPDNVDK DKVKAELKNG VLLISIPKTK VEKKVTDVEI
     K