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GRPE_THET8
ID   GRPE_THET8              Reviewed;         177 AA.
AC   Q56236; P74895; Q5SI84;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   25-MAY-2022, entry version 113.
DE   RecName: Full=Protein GrpE {ECO:0000255|HAMAP-Rule:MF_01151};
DE   AltName: Full=HSP-70 cofactor {ECO:0000255|HAMAP-Rule:MF_01151};
GN   Name=grpE {ECO:0000255|HAMAP-Rule:MF_01151}; OrderedLocusNames=TTHA1490;
OS   Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8).
OC   Bacteria; Deinococcus-Thermus; Deinococci; Thermales; Thermaceae; Thermus.
OX   NCBI_TaxID=300852;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=9349721; DOI=10.1016/s0167-4781(97)00071-7;
RA   Osipiuk J., Joachimiak A.;
RT   "Cloning, sequencing, and expression of dnaK-operon proteins from the
RT   thermophilic bacterium Thermus thermophilus.";
RL   Biochim. Biophys. Acta 1353:253-265(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8663379; DOI=10.1074/jbc.271.29.17343;
RA   Motohashi K., Yohda M., Endo I., Yoshida M.;
RT   "A novel factor required for the assembly of the DnaK and DnaJ chaperones
RT   of Thermus thermophilus.";
RL   J. Biol. Chem. 271:17343-17348(1996).
RN   [3]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Seidel R.;
RL   Submitted (SEP-1996) to the EMBL/GenBank/DDBJ databases.
RN   [4]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA], PROTEIN SEQUENCE OF 1-8, AND POTASSIUM
RP   REQUIREMENT.
RX   PubMed=9276481; DOI=10.1016/s0014-5793(97)00847-8;
RA   Motohashi K., Yohda M., Odaka M., Yoshida M.;
RT   "K+ is an indispensable cofactor for GrpE stimulation of ATPase activity of
RT   DnaK/DnaJ complex from Thermus thermophilus.";
RL   FEBS Lett. 412:633-636(1997).
RN   [5]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27634 / DSM 579 / HB8;
RA   Masui R., Kurokawa K., Nakagawa N., Tokunaga F., Koyama Y., Shibata T.,
RA   Oshima T., Yokoyama S., Yasunaga T., Kuramitsu S.;
RT   "Complete genome sequence of Thermus thermophilus HB8.";
RL   Submitted (NOV-2004) 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:0000255|HAMAP-
CC       Rule:MF_01151}.
CC   -!- COFACTOR:
CC       Name=K(+); Xref=ChEBI:CHEBI:29103;
CC       Note=Required to stimulate the ATPase activity of DnaK.;
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01151}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the GrpE family. {ECO:0000255|HAMAP-
CC       Rule:MF_01151}.
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DR   EMBL; L57504; AAB04677.1; -; Genomic_DNA.
DR   EMBL; D84222; BAA12281.1; -; Genomic_DNA.
DR   EMBL; Y07826; CAA69160.1; -; Genomic_DNA.
DR   EMBL; AB012390; BAA81742.1; -; Genomic_DNA.
DR   EMBL; AB032368; BAA96088.1; -; Genomic_DNA.
DR   EMBL; AP008226; BAD71313.1; -; Genomic_DNA.
DR   RefSeq; WP_011228714.1; NC_006461.1.
DR   RefSeq; YP_144756.1; NC_006461.1.
DR   PDB; 3A6M; X-ray; 3.23 A; A/B=1-177.
DR   PDBsum; 3A6M; -.
DR   AlphaFoldDB; Q56236; -.
DR   SMR; Q56236; -.
DR   STRING; 300852.55772872; -.
DR   EnsemblBacteria; BAD71313; BAD71313; BAD71313.
DR   GeneID; 3169984; -.
DR   KEGG; ttj:TTHA1490; -.
DR   PATRIC; fig|300852.9.peg.1465; -.
DR   eggNOG; COG0576; Bacteria.
DR   HOGENOM; CLU_057217_6_3_0; -.
DR   OMA; YAYEKIA; -.
DR   PhylomeDB; Q56236; -.
DR   EvolutionaryTrace; Q56236; -.
DR   Proteomes; UP000000532; 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:0051087; F:chaperone binding; IEA:InterPro.
DR   GO; GO:0042803; F:protein homodimerization activity; IEA:InterPro.
DR   GO; GO:0006457; P:protein folding; IEA:InterPro.
DR   CDD; cd00446; GrpE; 1.
DR   Gene3D; 2.30.22.10; -; 1.
DR   Gene3D; 3.90.20.20; -; 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; PTHR21237; 1.
DR   Pfam; PF01025; GrpE; 1.
DR   PRINTS; PR00773; GRPEPROTEIN.
DR   SUPFAM; SSF51064; SSF51064; 1.
DR   SUPFAM; SSF58014; SSF58014; 1.
DR   PROSITE; PS01071; GRPE; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Chaperone; Cytoplasm; Direct protein sequencing;
KW   Reference proteome; Stress response.
FT   CHAIN           1..177
FT                   /note="Protein GrpE"
FT                   /id="PRO_0000113884"
FT   CONFLICT        18..22
FT                   /note="GQEAQ -> ARRPM (in Ref. 2; BAA12281)"
FT                   /evidence="ECO:0000305"
FT   TURN            5..7
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          8..10
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           11..14
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   TURN            15..17
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           18..21
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   TURN            24..26
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           30..33
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          35..37
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           38..43
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   TURN            44..51
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           52..87
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           89..91
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   HELIX           93..113
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   TURN            128..130
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          131..140
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          143..149
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          152..154
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          157..160
FT                   /evidence="ECO:0007829|PDB:3A6M"
FT   STRAND          162..168
FT                   /evidence="ECO:0007829|PDB:3A6M"
SQ   SEQUENCE   177 AA;  20027 MW;  50AB3E3AA00DB17A CRC64;
     MEERNHENTL EKDLEAVGQE AQALEERLKA AEEELKGLKD KYLRLLADFD NYRKRMEEEL
     KAREREGVLK ALRALLPVLD DLDRALEFAE ASPESIRQGV RAIRDGFFRI LAGLGVEEVP
     GEGEAFDPRY HEAVGLLPGE PGKVAKVFQR GFRMGEALVR PARVAVGEEK REEADLE
 
 
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