ID R6NNQ0_9FIRM Unreviewed; 294 AA.
AC R6NNQ0;
DT 24-JUL-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 1.
DT 24-JAN-2024, entry version 31.
DE RecName: Full=33 kDa chaperonin {ECO:0000256|HAMAP-Rule:MF_00117};
DE AltName: Full=Heat shock protein 33 homolog {ECO:0000256|HAMAP-Rule:MF_00117};
DE Short=HSP33 {ECO:0000256|HAMAP-Rule:MF_00117};
GN Name=hslO {ECO:0000256|HAMAP-Rule:MF_00117};
GN ORFNames=BN647_02294 {ECO:0000313|EMBL:CDB99272.1};
OS Firmicutes bacterium CAG:41.
OC Bacteria; Bacillota.
OX NCBI_TaxID=1263021 {ECO:0000313|EMBL:CDB99272.1, ECO:0000313|Proteomes:UP000018139};
RN [1] {ECO:0000313|EMBL:CDB99272.1, ECO:0000313|Proteomes:UP000018139}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MGS:41 {ECO:0000313|Proteomes:UP000018139};
RA Nielsen H.B., Almeida M., Juncker A.S., Rasmussen S., Li J., Sunagawa S.,
RA Plichta D., Gautier L., Le Chatelier E., Peletier E., Bonde I., Nielsen T.,
RA Manichanh C., Arumugam M., Batto J., Santos M.B.Q.D., Blom N., Borruel N.,
RA Burgdorf K.S., Boumezbeur F., Casellas F., Dore J., Guarner F., Hansen T.,
RA Hildebrand F., Kaas R.S., Kennedy S., Kristiansen K., Kultima J.R.,
RA Leonard P., Levenez F., Lund O., Moumen B., Le Paslier D., Pons N.,
RA Pedersen O., Prifti E., Qin J., Raes J., Tap J., Tims S., Ussery D.W.,
RA Yamada T., MetaHit consortium, Renault P., Sicheritz-Ponten T., Bork P.,
RA Wang J., Brunak S., Ehrlich S.D.;
RT "Dependencies among metagenomic species, viruses, plasmids and units of
RT genetic variation.";
RL Submitted (NOV-2012) 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:0000256|HAMAP-Rule:MF_00117}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|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:0000256|HAMAP-Rule:MF_00117}.
CC -!- SIMILARITY: Belongs to the HSP33 family. {ECO:0000256|HAMAP-
CC Rule:MF_00117}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:CDB99272.1}.
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DR EMBL; CBEM010000177; CDB99272.1; -; Genomic_DNA.
DR AlphaFoldDB; R6NNQ0; -.
DR Proteomes; UP000018139; Unassembled WGS sequence.
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; Hsp33 domain; 1.
DR Gene3D; 3.90.1280.10; HSP33 redox switch-like; 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; 33 KDA CHAPERONIN; 1.
DR PANTHER; PTHR30111:SF1; 33 KDA CHAPERONIN; 1.
DR Pfam; PF01430; HSP33; 1.
DR PIRSF; PIRSF005261; Heat_shock_Hsp33; 1.
DR SUPFAM; SSF64397; Hsp33 domain; 1.
DR SUPFAM; SSF118352; HSP33 redox switch-like; 1.
PE 3: Inferred from homology;
KW Chaperone {ECO:0000256|ARBA:ARBA00023186, ECO:0000256|HAMAP-Rule:MF_00117};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00117};
KW Disulfide bond {ECO:0000256|ARBA:ARBA00023157, ECO:0000256|HAMAP-
KW Rule:MF_00117};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284, ECO:0000256|HAMAP-
KW Rule:MF_00117}; Reference proteome {ECO:0000313|Proteomes:UP000018139};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00117}.
FT DISULFID 239..241
FT /note="Redox-active"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00117"
FT DISULFID 272..275
FT /note="Redox-active"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00117"
SQ SEQUENCE 294 AA; 32032 MW; F5C63BFA9FDFC42C CRC64;
MADKLVRGNS MDGAIRVFAA VTTDLVNEAQ RIHHTYPVAT AALGRLLTGA AIMGAAGLKN
ETDSMTVQIK GEGEITNLVA VTDCHSRVRG YVSNPYVDRP LNNKGKLDVG GAIGGGYLSV
VRDLGLKEPY VGQIPLVSGE IAEDLTYYYA KSEQIPTSVA LGVLVDTDNS VISAGGFMIQ
LMPEATEEMA VQLEDILKEL PPVTTMIKEG MTAEDILFRV TEGFSMVCEN KAVVPEYKCT
CSKERMEKAL ISIGKKELEE LIEDQGEAEL TCQFCDNKYH FNKKELEDLL EKAK
//