ID E1Z3X4_CHLVA Unreviewed; 329 AA.
AC E1Z3X4;
DT 30-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2010, sequence version 1.
DT 27-MAR-2024, entry version 42.
DE RecName: Full=3-methyl-2-oxobutanoate dehydrogenase (2-methylpropanoyl-transferring) {ECO:0000256|ARBA:ARBA00012277};
DE EC=1.2.4.4 {ECO:0000256|ARBA:ARBA00012277};
GN ORFNames=CHLNCDRAFT_48446 {ECO:0000313|EMBL:EFN59250.1};
OS Chlorella variabilis (Green alga).
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Trebouxiophyceae;
OC Chlorellales; Chlorellaceae; Chlorella clade; Chlorella.
OX NCBI_TaxID=554065 {ECO:0000313|Proteomes:UP000008141};
RN [1] {ECO:0000313|EMBL:EFN59250.1, ECO:0000313|Proteomes:UP000008141}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NC64A {ECO:0000313|EMBL:EFN59250.1,
RC ECO:0000313|Proteomes:UP000008141};
RX PubMed=20852019; DOI=10.1105/tpc.110.076406;
RA Blanc G., Duncan G., Agarkova I., Borodovsky M., Gurnon J., Kuo A.,
RA Lindquist E., Lucas S., Pangilinan J., Polle J., Salamov A., Terry A.,
RA Yamada T., Dunigan D.D., Grigoriev I.V., Claverie J.M., Van Etten J.L.;
RT "The Chlorella variabilis NC64A genome reveals adaptation to
RT photosymbiosis, coevolution with viruses, and cryptic sex.";
RL Plant Cell 22:2943-2955(2010).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=3-methyl-2-oxobutanoate + H(+) + N(6)-[(R)-lipoyl]-L-lysyl-
CC [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase] = CO2 +
CC N(6)-[(R)-S(8)-2-methylpropanoyldihydrolipoyl]-L-lysyl-
CC [dihydrolipoyllysine-residue (2-methylpropanoyl)transferase];
CC Xref=Rhea:RHEA:13457, Rhea:RHEA-COMP:10488, Rhea:RHEA-COMP:10489,
CC ChEBI:CHEBI:11851, ChEBI:CHEBI:15378, ChEBI:CHEBI:16526,
CC ChEBI:CHEBI:83099, ChEBI:CHEBI:83142; EC=1.2.4.4;
CC Evidence={ECO:0000256|ARBA:ARBA00043720};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:13458;
CC Evidence={ECO:0000256|ARBA:ARBA00043720};
CC -!- COFACTOR:
CC Name=thiamine diphosphate; Xref=ChEBI:CHEBI:58937;
CC Evidence={ECO:0000256|ARBA:ARBA00001964};
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DR EMBL; GL433836; EFN59250.1; -; Genomic_DNA.
DR RefSeq; XP_005851352.1; XM_005851290.1.
DR AlphaFoldDB; E1Z3X4; -.
DR STRING; 554065.E1Z3X4; -.
DR GeneID; 17358717; -.
DR KEGG; cvr:CHLNCDRAFT_48446; -.
DR eggNOG; KOG0525; Eukaryota.
DR InParanoid; E1Z3X4; -.
DR OMA; SEAYYMA; -.
DR OrthoDB; 364at2759; -.
DR Proteomes; UP000008141; Unassembled WGS sequence.
DR GO; GO:0003824; F:catalytic activity; IEA:InterPro.
DR CDD; cd07036; TPP_PYR_E1-PDHc-beta_like; 1.
DR Gene3D; 3.40.50.920; -; 1.
DR Gene3D; 3.40.50.970; -; 1.
DR InterPro; IPR029061; THDP-binding.
DR InterPro; IPR009014; Transketo_C/PFOR_II.
DR InterPro; IPR005475; Transketolase-like_Pyr-bd.
DR InterPro; IPR033248; Transketolase_C.
DR PANTHER; PTHR42980:SF1; 2-OXOISOVALERATE DEHYDROGENASE SUBUNIT BETA, MITOCHONDRIAL; 1.
DR PANTHER; PTHR42980; 2-OXOISOVALERATE DEHYDROGENASE SUBUNIT BETA-RELATED; 1.
DR Pfam; PF02779; Transket_pyr; 1.
DR Pfam; PF02780; Transketolase_C; 1.
DR SMART; SM00861; Transket_pyr; 1.
DR SUPFAM; SSF52518; Thiamin diphosphate-binding fold (THDP-binding); 1.
DR SUPFAM; SSF52922; TK C-terminal domain-like; 1.
PE 4: Predicted;
KW Reference proteome {ECO:0000313|Proteomes:UP000008141}.
FT DOMAIN 1..176
FT /note="Transketolase-like pyrimidine-binding"
FT /evidence="ECO:0000259|SMART:SM00861"
SQ SEQUENCE 329 AA; 35532 MW; 0D662234596B8763 CRC64;
MNLCNAINSA LHIAMAENPK TLCFGEDVAF GGVFMCSRGL LERFGRDRVF NTPLSEQGIA
GFAIGAAAEG YRPVAEIQFA DYIFPAFDQI TSEAAKYRYR SGGAYDVGGL TIRAPYGAVG
HGGHYHSQSP ESFFTHIPGI KVVMPSGPRE AKGLLLASIR DPNPTIFFEA KMLYRTAVEG
VPEGDYEIPL GKARVAQQGS DITLVGWGQQ VRVLELAAKE VGEKDGVSCE VIDLRTLLPW
DADAVEASVN KTGRLLVSHE APVTSGFGAE VVSTITDRRA LAAVCFYSLE APPARVCGYD
TPFPLIFEPL YLPTARRVVD AIRATMRHG
//
