ID A0A345UL69_9BACT Unreviewed; 231 AA.
AC A0A345UL69;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 24-JAN-2024, entry version 18.
DE RecName: Full=Protein GrpE {ECO:0000256|HAMAP-Rule:MF_01151, ECO:0000256|RuleBase:RU000639};
DE AltName: Full=HSP-70 cofactor {ECO:0000256|HAMAP-Rule:MF_01151};
GN Name=grpE {ECO:0000256|HAMAP-Rule:MF_01151};
GN ORFNames=CYPRO_1971 {ECO:0000313|EMBL:AXJ01221.1};
OS Cyclonatronum proteinivorum.
OC Bacteria; Balneolota; Balneolia; Balneolales; Cyclonatronaceae;
OC Cyclonatronum.
OX NCBI_TaxID=1457365 {ECO:0000313|EMBL:AXJ01221.1, ECO:0000313|Proteomes:UP000254808};
RN [1] {ECO:0000313|EMBL:AXJ01221.1, ECO:0000313|Proteomes:UP000254808}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Omega {ECO:0000313|EMBL:AXJ01221.1,
RC ECO:0000313|Proteomes:UP000254808};
RA Toshchakov S.V., Korzhenkov A., Samarov N.I., Kublanov I.V., Muntyan M.S.,
RA Sorokin D.Y.;
RT "Phenotypic and genomic properties of Cyclonatronum proteinivorum gen.
RT nov., sp. nov., a haloalkaliphilic bacteroidete from soda lakes possessing
RT Na+-translocating rhodopsin.";
RL Submitted (MAR-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Participates actively in the response to hyperosmotic and
CC heat shock by preventing the aggregation of stress-denatured proteins,
CC in association with DnaK and GrpE. It is the nucleotide exchange factor
CC for DnaK and may function as a thermosensor. Unfolded proteins bind
CC initially to DnaJ; upon interaction with the DnaJ-bound protein, DnaK
CC hydrolyzes its bound ATP, resulting in the formation of a stable
CC complex. GrpE releases ADP from DnaK; ATP binding to DnaK triggers the
CC release of the substrate protein, thus completing the reaction cycle.
CC Several rounds of ATP-dependent interactions between DnaJ, DnaK and
CC GrpE are required for fully efficient folding. {ECO:0000256|HAMAP-
CC Rule:MF_01151, ECO:0000256|RuleBase:RU000639}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01151}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01151}.
CC -!- SIMILARITY: Belongs to the GrpE family. {ECO:0000256|ARBA:ARBA00009054,
CC ECO:0000256|HAMAP-Rule:MF_01151, ECO:0000256|RuleBase:RU004478}.
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DR EMBL; CP027806; AXJ01221.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A345UL69; -.
DR KEGG; cprv:CYPRO_1971; -.
DR OrthoDB; 9812586at2; -.
DR Proteomes; UP000254808; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000774; F:adenyl-nucleotide exchange factor activity; IEA:InterPro.
DR GO; GO:0042803; F:protein homodimerization activity; IEA:InterPro.
DR GO; GO:0051087; F:protein-folding chaperone binding; IEA:InterPro.
DR GO; GO:0006457; P:protein folding; IEA:InterPro.
DR CDD; cd00446; GrpE; 1.
DR Gene3D; 3.90.20.20; -; 1.
DR Gene3D; 2.30.22.10; Head domain of nucleotide exchange factor GrpE; 1.
DR HAMAP; MF_01151; GrpE; 1.
DR InterPro; IPR000740; GrpE.
DR InterPro; IPR013805; GrpE_coiled_coil.
DR InterPro; IPR009012; GrpE_head.
DR PANTHER; PTHR21237; GRPE PROTEIN; 1.
DR PANTHER; PTHR21237:SF23; GRPE PROTEIN HOMOLOG, MITOCHONDRIAL; 1.
DR Pfam; PF01025; GrpE; 1.
DR PRINTS; PR00773; GRPEPROTEIN.
DR SUPFAM; SSF58014; Coiled-coil domain of nucleotide exchange factor GrpE; 1.
DR SUPFAM; SSF51064; Head domain of nucleotide exchange factor GrpE; 1.
DR PROSITE; PS01071; GRPE; 1.
PE 3: Inferred from homology;
KW Chaperone {ECO:0000256|ARBA:ARBA00023186, ECO:0000256|HAMAP-Rule:MF_01151};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01151};
KW Reference proteome {ECO:0000313|Proteomes:UP000254808};
KW Stress response {ECO:0000256|HAMAP-Rule:MF_01151,
KW ECO:0000256|RuleBase:RU000639}.
FT REGION 20..77
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 20..55
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 231 AA; 25917 MW; 3B90C414133A7A21 CRC64;
MKFAELWQKL NSRFKSGFLS STGYLQNPTM NTENKTGLEP EQEQQQTSAE ATETLAQEAD
TAGADHSEEM TSEDSDEVSA LQAEVEQLKA QLAQKEDQIL RKIAEFDNMK RRTQRERIQL
FDDAKMKAVA DLLPVYDDLG RSLQNVPEDT NAAFADGVKM VHNKFSSVLE KMGVEPIDET
GIPFNVELHD ALMRQPAPDE NTESNTVLQV LETGYKLGEK VIRHAKVIVS Q
//