TIM8_DEBHA
ID TIM8_DEBHA Reviewed; 90 AA.
AC Q6BN23;
DT 21-MAR-2006, integrated into UniProtKB/Swiss-Prot.
DT 16-AUG-2004, sequence version 1.
DT 25-MAY-2022, entry version 103.
DE RecName: Full=Mitochondrial import inner membrane translocase subunit TIM8;
GN Name=TIM8; OrderedLocusNames=DEHA2F00836g;
OS Debaryomyces hansenii (strain ATCC 36239 / CBS 767 / BCRC 21394 / JCM 1990
OS / NBRC 0083 / IGC 2968) (Yeast) (Torulaspora hansenii).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Debaryomycetaceae; Debaryomyces.
OX NCBI_TaxID=284592;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 36239 / CBS 767 / BCRC 21394 / JCM 1990 / NBRC 0083 / IGC 2968;
RX PubMed=15229592; DOI=10.1038/nature02579;
RA Dujon B., Sherman D., Fischer G., Durrens P., Casaregola S., Lafontaine I.,
RA de Montigny J., Marck C., Neuveglise C., Talla E., Goffard N., Frangeul L.,
RA Aigle M., Anthouard V., Babour A., Barbe V., Barnay S., Blanchin S.,
RA Beckerich J.-M., Beyne E., Bleykasten C., Boisrame A., Boyer J.,
RA Cattolico L., Confanioleri F., de Daruvar A., Despons L., Fabre E.,
RA Fairhead C., Ferry-Dumazet H., Groppi A., Hantraye F., Hennequin C.,
RA Jauniaux N., Joyet P., Kachouri R., Kerrest A., Koszul R., Lemaire M.,
RA Lesur I., Ma L., Muller H., Nicaud J.-M., Nikolski M., Oztas S.,
RA Ozier-Kalogeropoulos O., Pellenz S., Potier S., Richard G.-F.,
RA Straub M.-L., Suleau A., Swennen D., Tekaia F., Wesolowski-Louvel M.,
RA Westhof E., Wirth B., Zeniou-Meyer M., Zivanovic Y., Bolotin-Fukuhara M.,
RA Thierry A., Bouchier C., Caudron B., Scarpelli C., Gaillardin C.,
RA Weissenbach J., Wincker P., Souciet J.-L.;
RT "Genome evolution in yeasts.";
RL Nature 430:35-44(2004).
CC -!- FUNCTION: Mitochondrial intermembrane chaperone that participates in
CC the import and insertion of some multi-pass transmembrane proteins into
CC the mitochondrial inner membrane. Also required for the transfer of
CC beta-barrel precursors from the TOM complex to the sorting and assembly
CC machinery (SAM complex) of the outer membrane. Acts as a chaperone-like
CC protein that protects the hydrophobic precursors from aggregation and
CC guide them through the mitochondrial intermembrane space. The TIM8-
CC TIM13 complex is non essential and only mediates the import of few
CC proteins, while the predominant TIM9-TIM10 70 kDa complex is crucial
CC and mediates the import of much more proteins (By similarity).
CC {ECO:0000250}.
CC -!- SUBUNIT: Heterohexamer; composed of 3 copies of TIM8 and 3 copies of
CC TIM13, named soluble 70 kDa complex. Associates with the TIM22 complex,
CC whose core is composed of TIM22 and TIM54. Interacts with the
CC transmembrane regions of multi-pass transmembrane proteins in transit
CC (By similarity). {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane {ECO:0000250};
CC Peripheral membrane protein {ECO:0000250}; Intermembrane side
CC {ECO:0000250}.
CC -!- DOMAIN: The twin CX3C motif contains 4 conserved Cys residues that form
CC 2 disulfide bonds in the mitochondrial intermembrane space. However,
CC during the transit of TIM8 from cytoplasm into mitochondrion, the Cys
CC residues probably coordinate zinc, thereby preventing folding and
CC allowing its transfer across mitochondrial outer membrane (By
CC similarity). {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the small Tim family. {ECO:0000305}.
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DR EMBL; CR382138; CAG88701.1; -; Genomic_DNA.
DR RefSeq; XP_460397.1; XM_460397.1.
DR AlphaFoldDB; Q6BN23; -.
DR SMR; Q6BN23; -.
DR STRING; 4959.XP_460397.1; -.
DR PRIDE; Q6BN23; -.
DR EnsemblFungi; CAG88701; CAG88701; DEHA2F00836g.
DR GeneID; 2903792; -.
DR KEGG; dha:DEHA2F00836g; -.
DR VEuPathDB; FungiDB:DEHA2F00836g; -.
DR eggNOG; KOG3489; Eukaryota.
DR HOGENOM; CLU_141397_1_0_1; -.
DR InParanoid; Q6BN23; -.
DR OMA; SKQKVQM; -.
DR OrthoDB; 1593287at2759; -.
DR Proteomes; UP000000599; Chromosome F.
DR GO; GO:0005743; C:mitochondrial inner membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0005758; C:mitochondrial intermembrane space; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0015031; P:protein transport; IEA:UniProtKB-KW.
DR Gene3D; 1.10.287.810; -; 1.
DR InterPro; IPR004217; Tim10-like.
DR InterPro; IPR035427; Tim10-like_dom_sf.
DR InterPro; IPR039238; Tim8/13.
DR PANTHER; PTHR19338; PTHR19338; 1.
DR Pfam; PF02953; zf-Tim10_DDP; 1.
DR SUPFAM; SSF144122; SSF144122; 1.
PE 3: Inferred from homology;
KW Chaperone; Disulfide bond; Membrane; Metal-binding; Mitochondrion;
KW Mitochondrion inner membrane; Protein transport; Reference proteome;
KW Translocation; Transport; Zinc.
FT CHAIN 1..90
FT /note="Mitochondrial import inner membrane translocase
FT subunit TIM8"
FT /id="PRO_0000228032"
FT MOTIF 44..70
FT /note="Twin CX3C motif"
FT DISULFID 44..70
FT /evidence="ECO:0000250"
FT DISULFID 48..66
FT /evidence="ECO:0000250"
SQ SEQUENCE 90 AA; 10050 MW; FB99F0EC94030BA3 CRC64;
MSQISQTALA SLDESSRKDI MQFIESENSK SKVQMSIHNF TDMCFKKCNA NKPITSGTLD
SSEEQCLTNC LNRFLDTNIK VVQALQGAQK