ID   HSLO_CLOBJ              Reviewed;         296 AA.
AC   C1FKN5;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-MAY-2009, sequence version 1.
DT   25-MAY-2022, entry version 56.
DE   RecName: Full=33 kDa chaperonin {ECO:0000255|HAMAP-Rule:MF_00117};
DE   AltName: Full=Heat shock protein 33 homolog {ECO:0000255|HAMAP-Rule:MF_00117};
DE            Short=HSP33 {ECO:0000255|HAMAP-Rule:MF_00117};
GN   Name=hslO {ECO:0000255|HAMAP-Rule:MF_00117}; OrderedLocusNames=CLM_3556;
OS   Clostridium botulinum (strain Kyoto / Type A2).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=536232;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Kyoto / Type A2;
RA   Shrivastava S., Brinkac L.M., Brown J.L., Bruce D., Detter C.C.,
RA   Johnson E.A., Munk C.A., Smith L.A., Smith T.J., Sutton G., Brettin T.S.;
RT   "Genome sequence of Clostridium botulinum A2 Kyoto.";
RL   Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Redox regulated molecular chaperone. Protects both thermally
CC       unfolding and oxidatively damaged proteins from irreversible
CC       aggregation. Plays an important role in the bacterial defense system
CC       toward oxidative stress. {ECO:0000255|HAMAP-Rule:MF_00117}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00117}.
CC   -!- PTM: Under oxidizing conditions two disulfide bonds are formed
CC       involving the reactive cysteines. Under reducing conditions zinc is
CC       bound to the reactive cysteines and the protein is inactive.
CC       {ECO:0000255|HAMAP-Rule:MF_00117}.
CC   -!- SIMILARITY: Belongs to the HSP33 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00117}.
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DR   EMBL; CP001581; ACO85214.1; -; Genomic_DNA.
DR   RefSeq; WP_012704641.1; NC_012563.1.
DR   AlphaFoldDB; C1FKN5; -.
DR   SMR; C1FKN5; -.
DR   STRING; 536232.CLM_3556; -.
DR   EnsemblBacteria; ACO85214; ACO85214; CLM_3556.
DR   KEGG; cby:CLM_3556; -.
DR   eggNOG; COG1281; Bacteria.
DR   HOGENOM; CLU_054493_1_0_9; -.
DR   OMA; DMQCECC; -.
DR   Proteomes; UP000001374; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051082; F:unfolded protein binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006457; P:protein folding; IEA:InterPro.
DR   CDD; cd00498; Hsp33; 1.
DR   Gene3D; 3.55.30.10; -; 1.
DR   Gene3D; 3.90.1280.10; -; 1.
DR   HAMAP; MF_00117; HslO; 1.
DR   InterPro; IPR000397; Heat_shock_Hsp33.
DR   InterPro; IPR016154; Heat_shock_Hsp33_C.
DR   InterPro; IPR016153; Heat_shock_Hsp33_N.
DR   PANTHER; PTHR30111; PTHR30111; 1.
DR   Pfam; PF01430; HSP33; 1.
DR   PIRSF; PIRSF005261; Heat_shock_Hsp33; 1.
DR   SUPFAM; SSF118352; SSF118352; 1.
DR   SUPFAM; SSF64397; SSF64397; 1.
PE   3: Inferred from homology;
KW   Chaperone; Cytoplasm; Disulfide bond; Redox-active center; Zinc.
FT   CHAIN           1..296
FT                   /note="33 kDa chaperonin"
FT                   /id="PRO_1000119255"
FT   DISULFID        238..240
FT                   /note="Redox-active"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00117"
FT   DISULFID        271..274
FT                   /note="Redox-active"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00117"
SQ   SEQUENCE   296 AA;  32307 MW;  24F9A9CF4E3206AC CRC64;
     MKDKLVKAIA KDGQVRIIGA ITTELVNEGV RLHNCAPTAA AALGRMLTAG ALMGTTLKSE
     KDTLTLQIHG GGIAKGVVVT SYADGHVKGY IGNPTADIEP NSKGKLDVSG IIGKNGNLLV
     IRDMGLKEPY IGQVPIYTGE IGEDLAYYYT VSEQTPSAVG LGVLVDKDLS IKSAGGFIIQ
     MMPGADEMLA DLISYRLEEI PSITEMISKG MTIEEILEYI FEDMDLNILE SIVPEYRCDC
     SREKVERALA SIGQKDLKEI YDEVKEEELK CHFCNKAYAF SHDEIGNILE SYYNEK