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Protein

Acetyl-CoA:oxalate CoA-transferase

Gene

yfdE

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Involved in the catabolism of oxalate and in the adapatation to low pH. ACOCT serves to prime the oxalate-induced acid tolerance response (ATR) cycle by producing substrate for oxalyl-CoA decarboxylase (OXC) and formyl-coenzyme A transferase (FCOCT). Catalyzes the reversible conversion of acetyl-CoA and oxalate to oxalyl-CoA and acetate. It can also use formyl-CoA and oxalate to produce oxalyl-CoA and formate with significantly reduced specific activity.1 Publication

Catalytic activityi

Acetyl-CoA + oxalate = acetate + oxalyl-CoA.1 Publication

Kineticsi

Kcat is 11 sec(-1) for the CoA-transferase activity with acetyl-CoA as substrate (at pH 6.7 and 25 degrees Celsius). Kcat is 15 sec(-1) for the CoA-transferase activity with oxalate as substrate (at pH 6.7 and 25 degrees Celsius).
  1. KM=17 µM for acetyl-CoA (at pH 6.7 and 25 degrees Celsius)1 Publication
  2. KM=22 mM for oxalate (at pH 6.7 and 25 degrees Celsius)1 Publication

    Sites

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    Active sitei233By similarity1

    GO - Molecular functioni

    • acetyl-CoA:oxalate CoA-transferase Source: EcoCyc
    • formyl-CoA transferase activity Source: InterPro

    GO - Biological processi

    Keywordsi

    Molecular functionTransferase

    Enzyme and pathway databases

    BioCyciEcoCyc:G7234-MONOMER
    MetaCyc:G7234-MONOMER
    BRENDAi2.8.3.19 2026

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Acetyl-CoA:oxalate CoA-transferase (EC:2.8.3.19)
    Short name:
    ACOCT
    Alternative name(s):
    Acetyl-coenzyme A transferase
    CoA:oxalate CoA-transferase
    Gene namesi
    Name:yfdE
    Ordered Locus Names:b2371, JW2368
    OrganismiEscherichia coli (strain K12)
    Taxonomic identifieri83333 [NCBI]
    Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
    Proteomesi
    • UP000000318 Componenti: Chromosome
    • UP000000625 Componenti: Chromosome

    Organism-specific databases

    EcoGeneiEG13284 yfdE

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    ChainiPRO_00001947251 – 381Acetyl-CoA:oxalate CoA-transferaseAdd BLAST381

    Proteomic databases

    PaxDbiP76518
    PRIDEiP76518

    Expressioni

    Inductioni

    By the acid response regulator EvgA.2 Publications

    Interactioni

    Subunit structurei

    Homodimer.1 Publication

    Protein-protein interaction databases

    BioGridi4259190, 3 interactors
    DIPiDIP-11994N
    IntActiP76518, 7 interactors
    STRINGi316385.ECDH10B_2536

    Structurei

    Secondary structure

    1381
    Legend: HelixTurnBeta strandPDB Structure known for this area
    Show more details
    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    Turni9 – 12Combined sources4
    Beta strandi14 – 17Combined sources4
    Helixi23 – 33Combined sources11
    Beta strandi37 – 42Combined sources6
    Turni44 – 46Combined sources3
    Helixi49 – 52Combined sources4
    Helixi62 – 68Combined sources7
    Beta strandi72 – 75Combined sources4
    Helixi81 – 93Combined sources13
    Beta strandi95 – 99Combined sources5
    Helixi105 – 108Combined sources4
    Helixi113 – 119Combined sources7
    Beta strandi124 – 131Combined sources8
    Beta strandi133 – 135Combined sources3
    Turni136 – 139Combined sources4
    Helixi144 – 151Combined sources8
    Helixi153 – 156Combined sources4
    Helixi171 – 194Combined sources24
    Beta strandi199 – 203Combined sources5
    Helixi204 – 209Combined sources6
    Helixi214 – 222Combined sources9
    Beta strandi239 – 242Combined sources4
    Beta strandi245 – 247Combined sources3
    Beta strandi249 – 252Combined sources4
    Helixi256 – 266Combined sources11
    Helixi269 – 271Combined sources3
    Turni275 – 277Combined sources3
    Helixi280 – 285Combined sources6
    Helixi287 – 298Combined sources12
    Helixi303 – 312Combined sources10
    Beta strandi317 – 319Combined sources3
    Helixi323 – 326Combined sources4
    Helixi330 – 334Combined sources5
    Beta strandi338 – 341Combined sources4
    Beta strandi344 – 347Combined sources4
    Beta strandi350 – 353Combined sources4
    Beta strandi360 – 362Combined sources3
    Turni368 – 371Combined sources4
    Helixi372 – 379Combined sources8

    3D structure databases

    Select the link destinations:
    PDBei
    RCSB PDBi
    PDBji
    Links Updated
    PDB entryMethodResolution (Å)ChainPositionsPDBsum
    4HL6X-ray2.12A/B/C/D/E/F1-381[»]
    ProteinModelPortaliP76518
    SMRiP76518
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Belongs to the CaiB/BaiF CoA-transferase family.Curated

    Phylogenomic databases

    eggNOGiENOG4105C04 Bacteria
    COG1804 LUCA
    HOGENOMiHOG000219745
    InParanoidiP76518
    KOiK18702
    OMAiHCAVSGF
    PhylomeDBiP76518

    Family and domain databases

    Gene3Di3.40.50.10540, 2 hits
    InterProiView protein in InterPro
    IPR003673 CoA-Trfase_fam_III
    IPR023606 CoA-Trfase_III_dom_sf
    PANTHERiPTHR43949 PTHR43949, 1 hit
    PfamiView protein in Pfam
    PF02515 CoA_transf_3, 1 hit
    SUPFAMiSSF89796 SSF89796, 1 hit

    Sequencei

    Sequence statusi: Complete.

    P76518-1 [UniParc]FASTAAdd to basket

    « Hide

            10         20         30         40         50
    MTNNESKGPF EGLLVIDMTH VLNGPFGTQL LCNMGARVIK VEPPGHGDDT
    60 70 80 90 100
    RTFGPYVDGQ SLYYSFINHG KESVVLDLKN DHDKSIFINM LKQADVLAEN
    110 120 130 140 150
    FRPGTMEKLG FSWETLQEIN PRLIYASSSG FGHTGPLKDA PAYDTIIQAM
    160 170 180 190 200
    SGIMMETGYP DAPPVRVGTS LADLCGGVYL FSGIVSALYG REKSQRGAHV
    210 220 230 240 250
    DIAMFDATLS FLEHGLMAYI ATGKSPQRLG NRHPYMAPFD VFNTQDKPIT
    260 270 280 290 300
    ICCGNDKLFS ALCQALELTE LVNDPRFSSN ILRVQNQAIL KQYIERTLKT
    310 320 330 340 350
    QAAEVWLARI HEVGVPVAPL LSVAEAIKLP QTQARNMLIE AGGIMMPGNP
    360 370 380
    IKISGCADPH VMPGAATLDQ HGEQIRQEFS S
    Length:381
    Mass (Da):41,671
    Last modified:August 29, 2001 - v2
    Checksum:i9C6801BCACFA5AE8
    GO

    Sequence cautioni

    The sequence D14008 differs from that shown. Reason: Frameshift at positions 360 and 366.Curated

    Experimental Info

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    Sequence conflicti294I → T in D14008 (PubMed:8125343).Curated1
    Sequence conflicti333Q → E in D14008 (PubMed:8125343).Curated1
    Sequence conflicti357A → T in D14008 (PubMed:8125343).Curated1
    Sequence conflicti368L → S in D14008 (PubMed:8125343).Curated1

    Sequence databases

    Select the link destinations:
    EMBLi
    GenBanki
    DDBJi
    Links Updated
    U00096 Genomic DNA Translation: AAC75430.2
    AP009048 Genomic DNA Translation: BAA16242.1
    D14008 Genomic DNA No translation available.
    PIRiH65010
    RefSeqiNP_416872.4, NC_000913.3
    WP_001296867.1, NZ_LN832404.1

    Genome annotation databases

    EnsemblBacteriaiAAC75430; AAC75430; b2371
    BAA16242; BAA16242; BAA16242
    GeneIDi946432
    KEGGiecj:JW2368
    eco:b2371
    PATRICifig|1411691.4.peg.4358

    Similar proteinsi

    Entry informationi

    Entry nameiACOCT_ECOLI
    AccessioniPrimary (citable) accession number: P76518
    Secondary accession number(s): P76946
    Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1997
    Last sequence update: August 29, 2001
    Last modified: May 23, 2018
    This is version 134 of the entry and version 2 of the sequence. See complete history.
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programProkaryotic Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure, Complete proteome, Reference proteome

    Documents

    1. Escherichia coli
      Escherichia coli (strain K12): entries and cross-references to EcoGene
    2. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    3. SIMILARITY comments
      Index of protein domains and families

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