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P31923

- SUS2_HORVU

UniProt

P31923 - SUS2_HORVU

Protein

Sucrose synthase 2

Gene

SS2

Organism
Hordeum vulgare (Barley)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli
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    • History
      Entry version 69 (01 Oct 2014)
      Sequence version 1 (01 Jul 1993)
      Previous versions | rss
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    Functioni

    Sucrose-cleaving enzyme that provides UDP-glucose and fructose for various metabolic pathways.1 Publication

    Catalytic activityi

    NDP-glucose + D-fructose = NDP + sucrose.1 Publication

    GO - Molecular functioni

    1. sucrose synthase activity Source: UniProtKB-EC

    GO - Biological processi

    1. biosynthetic process Source: InterPro
    2. sucrose metabolic process Source: InterPro

    Keywords - Molecular functioni

    Glycosyltransferase, Transferase

    Protein family/group databases

    CAZyiGT4. Glycosyltransferase Family 4.

    Names & Taxonomyi

    Protein namesi
    Recommended name:
    Sucrose synthase 2 (EC:2.4.1.13)
    Alternative name(s):
    Sucrose-UDP glucosyltransferase 2
    Gene namesi
    Name:SS2
    OrganismiHordeum vulgare (Barley)
    Taxonomic identifieri4513 [NCBI]
    Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBEP cladePooideaeTriticeaeHordeum

    Organism-specific databases

    GrameneiP31923.

    PTM / Processingi

    Molecule processing

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Chaini1 – 816816Sucrose synthase 2PRO_0000204650Add
    BLAST

    Proteomic databases

    PRIDEiP31923.

    Expressioni

    Tissue specificityi

    Abundant in developing endosperm, low in aleurone, and undetected in coleoptiles and roots. Also detected in crude extracts of anthers and in immature embryos.2 Publications

    Developmental stagei

    Activity increases as seeds develop.1 Publication

    Gene expression databases

    GenevestigatoriP31923.

    Interactioni

    Subunit structurei

    Forms homotetramers and heterotetramers with SS1, all three possible heterotetramers are formed.1 Publication

    Protein-protein interaction databases

    IntActiP31923. 1 interaction.

    Structurei

    3D structure databases

    ProteinModelPortaliP31923.
    ModBaseiSearch...
    MobiDBiSearch...

    Family & Domainsi

    Sequence similaritiesi

    Family and domain databases

    InterProiIPR001296. Glyco_trans_1.
    IPR000368. Sucrose_synth.
    IPR012820. Sucrose_synthase_pln/cyn.
    [Graphical view]
    PfamiPF00534. Glycos_transf_1. 1 hit.
    PF00862. Sucrose_synth. 1 hit.
    [Graphical view]
    TIGRFAMsiTIGR02470. sucr_synth. 1 hit.

    Sequencei

    Sequence statusi: Complete.

    P31923-1 [UniParc]FASTAAdd to Basket

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    MGETAGERAL SRVHSVRERI GHSLSAHTNE LVAVFSRLVN QGKGMLQPHQ    50
    ITAEYNAAIP EAEREKLKNT PFEDLLRGAQ EAIVIPPWVA LAIRPRPGVW 100
    EYVRVNVSEL GVEELSVLRY LQFKEQLANG STDNNFVLEL DFGPFNASFP 150
    RPSLSKSIGN GVQFLNRHLS SKLFHDKESM YPLLNFLRAH NYKGMTMMLN 200
    DRIRSLGTLQ GALRKAETHL SGLPADTPYT EFHHRFQELG LEKGWGDCAQ 250
    RASETIHLLL DLLEAPDPSS LEKFLGTIPM VLNVVILSPH GYFAQANVLG 300
    YPDTGGQVVY ILDQVRAMEN EMLLRIKQQG LDITPKILIV TRMLPDAHGT 350
    TCGQRLEKVL GTEHTHILRV PFKTEDGIVR KWISRFEVWP YLEAYTDDVA 400
    HEIAGELQAN PDLIIGNYSD GNLVACLLAH KLGVTHCTIA HALEKTKYPN 450
    SDLYWKKFED HYHFSCQFTA DLIAMNHADF IITSTFQEIA GNKDTVGQYE 500
    SHMAFTMPGL YRVVHGIDVF DPKFNIVSPG ADMSIYFPYT EQQKRLTSLH 550
    TEIEELLFSD VENAEHKFVL KDKKKPIIFS MARLDRVKNM TGLVEMYGRN 600
    PRLQELVNLV VVCGDHGKVS KDKEEQVEFK KMFDLIEKYN LSGHIRWISA 650
    QMNRVRNGEL YRYICDMKGA FVQPAFYEAF GLTVIEAMTC GLPTFATAYG 700
    GPAEIIVNGV SGYHIDPYQN DKASALLVGF FGKCQEDPSH WNKISQGGLQ 750
    RIEEKYTWKL YSERLMTLSG VYGFWKYVSN LDRRETRRYL EMLYALKYRK 800
    MAATVPLAVE GETSGE 816
    Length:816
    Mass (Da):92,575
    Last modified:July 1, 1993 - v1
    Checksum:iCB90A9C42AAB1080
    GO

    Sequence cautioni

    The sequence CAA75793.1 differs from that shown. Reason: Frameshift at position 789.

    Experimental Info

    Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
    Sequence conflicti131 – 1311S → R in CAA75793. 1 PublicationCurated
    Sequence conflicti196 – 1961T → A in CAA75793. 1 PublicationCurated
    Sequence conflicti230 – 2301T → S in CAA75793. 1 PublicationCurated
    Sequence conflicti282 – 2821L → F in CAA75793. 1 PublicationCurated
    Sequence conflicti437 – 4371C → G in CAA75793. 1 PublicationCurated
    Sequence conflicti492 – 4921N → K in CAA75793. 1 PublicationCurated
    Sequence conflicti674 – 6741P → A in CAA75793. 1 PublicationCurated
    Sequence conflicti729 – 7291G → D in CAA75793. 1 PublicationCurated

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    X69931 mRNA. Translation: CAA49551.1.
    Y15802 Genomic DNA. Translation: CAA75793.1. Frameshift.
    PIRiS32451.

    Cross-referencesi

    Sequence databases

    Select the link destinations:
    EMBL
    GenBank
    DDBJ
    Links Updated
    X69931 mRNA. Translation: CAA49551.1 .
    Y15802 Genomic DNA. Translation: CAA75793.1 . Frameshift.
    PIRi S32451.

    3D structure databases

    ProteinModelPortali P31923.
    ModBasei Search...
    MobiDBi Search...

    Protein-protein interaction databases

    IntActi P31923. 1 interaction.

    Protein family/group databases

    CAZyi GT4. Glycosyltransferase Family 4.

    Proteomic databases

    PRIDEi P31923.

    Protocols and materials databases

    Structural Biology Knowledgebase Search...

    Organism-specific databases

    Gramenei P31923.

    Gene expression databases

    Genevestigatori P31923.

    Family and domain databases

    InterProi IPR001296. Glyco_trans_1.
    IPR000368. Sucrose_synth.
    IPR012820. Sucrose_synthase_pln/cyn.
    [Graphical view ]
    Pfami PF00534. Glycos_transf_1. 1 hit.
    PF00862. Sucrose_synth. 1 hit.
    [Graphical view ]
    TIGRFAMsi TIGR02470. sucr_synth. 1 hit.
    ProtoNeti Search...

    Publicationsi

    1. "Sucrose synthase genes in barley. cDNA cloning of the Ss2 type and tissue-specific expression of Ss1 and Ss2."
      Martinez de Ilarduya O., Vicente-Carbajosa J., Sanchez de la Hoz P., Carbonero P.
      FEBS Lett. 320:177-181(1993) [PubMed] [Europe PMC] [Abstract]
      Cited for: NUCLEOTIDE SEQUENCE [MRNA], TISSUE SPECIFICITY.
      Strain: cv. Sundance.
      Tissue: Endosperm.
    2. "Complete barley sucrose synthase type II."
      Acevedo F., Martinez de Ilarduya O., Guerin J., Diaz I., Carbonero P.
      Submitted (DEC-1997) to the EMBL/GenBank/DDBJ databases
      Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
      Strain: cv. Sundance.
      Tissue: Endosperm.
    3. Cited for: PROTEIN SEQUENCE OF 232-238 AND 393-402.
      Strain: cv. Scarlet.
      Tissue: Endosperm.
    4. "The spatial distribution of sucrose synthase isozymes in barley."
      Guerin J., Carbonero P.
      Plant Physiol. 114:55-62(1997) [PubMed] [Europe PMC] [Abstract]
      Cited for: SUBUNIT, TISSUE SPECIFICITY.
    5. "Sucrose synthase catalyzes the de novo production of ADPglucose linked to starch biosynthesis in heterotrophic tissues of plants."
      Baroja-Fernandez E., Munoz F.J., Saikusa T., Rodriguez-Lopez M., Akazawa T., Pozueta-Romero J.
      Plant Cell Physiol. 44:500-509(2003) [PubMed] [Europe PMC] [Abstract]
      Cited for: FUNCTION, CATALYTIC ACTIVITY, DEVELOPMENTAL STAGE.

    Entry informationi

    Entry nameiSUS2_HORVU
    AccessioniPrimary (citable) accession number: P31923
    Secondary accession number(s): P83182, Q9ZR49
    Entry historyi
    Integrated into UniProtKB/Swiss-Prot: July 1, 1993
    Last sequence update: July 1, 1993
    Last modified: October 1, 2014
    This is version 69 of the entry and version 1 of the sequence. [Complete history]
    Entry statusiReviewed (UniProtKB/Swiss-Prot)
    Annotation programPlant Protein Annotation Program

    Miscellaneousi

    Keywords - Technical termi

    Direct protein sequencing

    Documents

    1. SIMILARITY comments
      Index of protein domains and families

    External Data

    Dasty 3