ID   HS21C_PEA               Reviewed;         232 AA.
AC   P09886;
DT   01-JUL-1989, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-1989, sequence version 1.
DT   03-AUG-2022, entry version 86.
DE   RecName: Full=Small heat shock protein, chloroplastic;
DE   Flags: Precursor;
GN   Name=HSP21;
OS   Pisum sativum (Garden pea).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC   rosids; fabids; Fabales; Fabaceae; Papilionoideae; 50 kb inversion clade;
OC   NPAAA clade; Hologalegina; IRL clade; Fabeae; Pisum.
OX   NCBI_TaxID=3888;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=cv. Little Marvel;
RX   PubMed=3396532; DOI=10.1002/j.1460-2075.1988.tb02849.x;
RA   Vierling E., Nagao R.T., Derocher A.E., Harris L.M.;
RT   "A heat shock protein localized to chloroplasts is a member of a eukaryotic
RT   superfamily of heat shock proteins.";
RL   EMBO J. 7:575-581(1988).
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; X07187; CAA30167.1; -; mRNA.
DR   PIR; S00374; HHPM21.
DR   AlphaFoldDB; P09886; -.
DR   SMR; P09886; -.
DR   PRIDE; P09886; -.
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..46
FT                   /note="Chloroplast"
FT                   /evidence="ECO:0000255"
FT   CHAIN           47..232
FT                   /note="Small heat shock protein, chloroplastic"
FT                   /id="PRO_0000013532"
FT   DOMAIN          124..232
FT                   /note="sHSP"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00285"
FT   REGION          1..35
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          48..81
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..28
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        58..81
FT                   /note="Basic and acidic residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   232 AA;  26179 MW;  E7BF9D1190ED94A9 CRC64;
     MAQSVSLSTI ASPILSQKPG SSVKSTPPCM ASFPLRRQLP RLGLRNVRAQ AGGDGDNKDN
     SVEVHRVNKD DQGTAVERKP RRSSIDISPF GLLDPWSPMR SMRQMLDTMD RIFEDAITIP
     GRNIGGGEIR VPWEIKDEEH EIRMRFDMPG VSKEDVKVSV EDDVLVIKSD HREENGGEDC
     WSRKSYSCYD TRLKLPDNCE KEKVKAELKD GVLYITIPKT KIERTVIDVQ IQ