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Protein

Isoamyl acetate-hydrolyzing esterase

Gene

IAH1

Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Plays a crucial role in the hydrolysis of isoamyl acetate in sake mash.

Kineticsi

  1. KM=40.3 mM for isoamyl acetate1 Publication

    pH dependencei

    Optimum pH is 7.5.1 Publication

    Sites

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    Active sitei12NucleophileBy similarity1
    Binding sitei53Substrate; via amide nitrogenBy similarity1
    Binding sitei83SubstrateBy similarity1
    Active sitei187By similarity1
    Active sitei190By similarity1

    GO - Molecular functioni

    • hydrolase activity, acting on ester bonds Source: SGD

    GO - Biological processi

    • acetate metabolic process Source: SGD
    • lipid catabolic process Source: UniProtKB-KW

    Keywordsi

    Molecular functionHydrolase
    Biological processLipid degradation, Lipid metabolism

    Enzyme and pathway databases

    BioCyciYEAST:YOR126C-MONOMER
    SABIO-RKiP41734

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Isoamyl acetate-hydrolyzing esterase (EC:3.1.-.-)
    Gene namesi
    Name:IAH1
    Synonyms:EST2
    Ordered Locus Names:YOR126C
    ORF Names:O3287, YOR3287C
    OrganismiSaccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
    Taxonomic identifieri559292 [NCBI]
    Taxonomic lineageiEukaryotaFungiDikaryaAscomycotaSaccharomycotinaSaccharomycetesSaccharomycetalesSaccharomycetaceaeSaccharomyces
    Proteomesi
    • UP000002311 Componenti: Chromosome XV

    Organism-specific databases

    EuPathDBiFungiDB:YOR126C
    SGDiS000005652 IAH1

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    ChainiPRO_00000841261 – 238Isoamyl acetate-hydrolyzing esteraseAdd BLAST238

    Proteomic databases

    MaxQBiP41734
    PaxDbiP41734
    PRIDEiP41734

    Interactioni

    Protein-protein interaction databases

    BioGridi34521, 63 interactors
    STRINGi4932.YOR126C

    Structurei

    Secondary structure

    1238
    Legend: HelixTurnBeta strandPDB Structure known for this area
    Show more details
    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    Beta strandi4 – 11Combined sources8
    Helixi12 – 15Combined sources4
    Turni16 – 18Combined sources3
    Helixi32 – 39Combined sources8
    Turni40 – 43Combined sources4
    Beta strandi44 – 50Combined sources7
    Helixi56 – 69Combined sources14
    Beta strandi73 – 79Combined sources7
    Turni82 – 85Combined sources4
    Beta strandi86 – 89Combined sources4
    Helixi95 – 111Combined sources17
    Beta strandi115 – 119Combined sources5
    Helixi126 – 132Combined sources7
    Helixi134 – 138Combined sources5
    Helixi145 – 161Combined sources17
    Helixi169 – 177Combined sources9
    Helixi178 – 184Combined sources7
    Beta strandi185 – 191Combined sources7
    Helixi193 – 210Combined sources18
    Helixi212 – 214Combined sources3
    Helixi216 – 218Combined sources3
    Helixi226 – 228Combined sources3
    Turni234 – 238Combined sources5

    3D structure databases

    Select the link destinations:
    PDBei
    RCSB PDBi
    PDBji
    Links Updated
    PDB entryMethodResolution (Å)ChainPositionsPDBsum
    3MILX-ray1.60A/B1-238[»]
    ProteinModelPortaliP41734
    SMRiP41734
    ModBaseiSearch...
    MobiDBiSearch...

    Miscellaneous databases

    EvolutionaryTraceiP41734

    Family & Domainsi

    Sequence similaritiesi

    Phylogenomic databases

    GeneTreeiENSGT00390000008069
    HOGENOMiHOG000214294
    InParanoidiP41734
    OMAiARVRYQY
    OrthoDBiEOG092C4VGR

    Family and domain databases

    Gene3Di3.40.50.1110, 1 hit
    InterProiView protein in InterPro
    IPR013830 SGNH_hydro
    IPR036514 SGNH_hydro_sf
    PfamiView protein in Pfam
    PF13472 Lipase_GDSL_2, 1 hit

    Sequencei

    Sequence statusi: Complete.

    P41734-1 [UniParc]FASTAAdd to basket

    « Hide

            10         20         30         40         50
    MDYEKFLLFG DSITEFAFNT RPIEDGKDQY ALGAALVNEY TRKMDILQRG
    60 70 80 90 100
    FKGYTSRWAL KILPEILKHE SNIVMATIFL GANDACSAGP QSVPLPEFID
    110 120 130 140 150
    NIRQMVSLMK SYHIRPIIIG PGLVDREKWE KEKSEEIALG YFRTNENFAI
    160 170 180 190 200
    YSDALAKLAN EEKVPFVALN KAFQQEGGDA WQQLLTDGLH FSGKGYKIFH
    210 220 230
    DELLKVIETF YPQYHPKNMQ YKLKDWRDVL DDGSNIMS
    Length:238
    Mass (Da):27,346
    Last modified:November 1, 1995 - v1
    Checksum:i8C86C0B4CF49C50B
    GO

    Sequence databases

    Select the link destinations:
    EMBLi
    GenBanki
    DDBJi
    Links Updated
    X82930 Genomic DNA Translation: CAA58104.1
    X94335 Genomic DNA Translation: CAA64045.1
    X92662 Genomic DNA Translation: CAA63350.1
    X90518 Genomic DNA Translation: CAA62126.1
    Z75034 Genomic DNA Translation: CAA99325.1
    AY557754 Genomic DNA Translation: AAS56080.1
    BK006948 Genomic DNA Translation: DAA10900.1
    PIRiS49911
    RefSeqiNP_014769.3, NM_001183545.3

    Genome annotation databases

    EnsemblFungiiYOR126C; YOR126C; YOR126C
    GeneIDi854293
    KEGGisce:YOR126C

    Similar proteinsi

    Entry informationi

    Entry nameiIAH1_YEAST
    AccessioniPrimary (citable) accession number: P41734
    Secondary accession number(s): D6W2I4, Q92313
    Entry historyiIntegrated into UniProtKB/Swiss-Prot: November 1, 1995
    Last sequence update: November 1, 1995
    Last modified: March 28, 2018
    This is version 129 of the entry and version 1 of the sequence. See complete history.
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programFungal Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    3D-structure, Complete proteome, Reference proteome
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    Main funding by: National Institutes of Health