ID K9PII5_9CYAN Unreviewed; 301 AA.
AC K9PII5;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 24-JAN-2024, entry version 42.
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=Cal7507_2824 {ECO:0000313|EMBL:AFY33240.1};
OS Calothrix sp. PCC 7507.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Nostocales; Calotrichaceae;
OC Calothrix.
OX NCBI_TaxID=99598 {ECO:0000313|EMBL:AFY33240.1, ECO:0000313|Proteomes:UP000010390};
RN [1] {ECO:0000313|EMBL:AFY33240.1, ECO:0000313|Proteomes:UP000010390}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PCC 7507 {ECO:0000313|EMBL:AFY33240.1,
RC ECO:0000313|Proteomes:UP000010390};
RG US DOE Joint Genome Institute;
RA Gugger M., Coursin T., Rippka R., Tandeau De Marsac N., Huntemann M.,
RA Wei C.-L., Han J., Detter J.C., Han C., Tapia R., Teshima H., Chen A.,
RA Krypides N., Mavromatis K., Markowitz V., Szeto E., Ivanova N.,
RA Ovchinnikova G., Pagani I., Pati A., Goodwin L., Peters L., Pitluck S.,
RA Woyke T., Kerfeld C.;
RT "Finished genome of Calothrix sp. PCC 7507.";
RL Submitted (APR-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}.
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DR EMBL; CP003943; AFY33240.1; -; Genomic_DNA.
DR RefSeq; WP_015129051.1; NC_019682.1.
DR AlphaFoldDB; K9PII5; -.
DR STRING; 99598.Cal7507_2824; -.
DR KEGG; calo:Cal7507_2824; -.
DR PATRIC; fig|99598.3.peg.3194; -.
DR eggNOG; COG1281; Bacteria.
DR HOGENOM; CLU_054493_1_0_3; -.
DR OrthoDB; 9776534at2; -.
DR Proteomes; UP000010390; 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; 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:UP000010390};
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 301 AA; 31300 MW; 0E2C1BB6BEA6B9A8 CRC64;
MADQLIRATA ADGGIRAVGV ITTRLTEEAR QRHNLSYVAT AALGRTMAAG LLMASSMKRA
GSRVNVRVKG DGPLGGILVD AGLDGTVRGY VGNPSIELPP NAKGKLDVGG AVGKGYLYVV
RDIGYGYPYS STVEIVSGEI GDDVAHYLVN SEQTPSAVVL GVFVGSTGVT AAGGLLIQVL
PKASRDEALV ATLESRVASL AGFTPSLQAG KSLPEILGEL LGDMGLRIFP ETQILRFNCG
CSFDRVLGAL KILGEAELQD MIVKDDGAEA TCDFCGNVYQ ASSSHLAQLI VDLQAESSVT
R
//
