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P31923

- SUS2_HORVU

UniProt

P31923 - SUS2_HORVU

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Protein

Sucrose synthase 2

Gene

SS2

Organism
Hordeum vulgare (Barley)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at protein leveli

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
Complete GO annotation...

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

« Hide

        10         20         30         40         50
MGETAGERAL SRVHSVRERI GHSLSAHTNE LVAVFSRLVN QGKGMLQPHQ
60 70 80 90 100
ITAEYNAAIP EAEREKLKNT PFEDLLRGAQ EAIVIPPWVA LAIRPRPGVW
110 120 130 140 150
EYVRVNVSEL GVEELSVLRY LQFKEQLANG STDNNFVLEL DFGPFNASFP
160 170 180 190 200
RPSLSKSIGN GVQFLNRHLS SKLFHDKESM YPLLNFLRAH NYKGMTMMLN
210 220 230 240 250
DRIRSLGTLQ GALRKAETHL SGLPADTPYT EFHHRFQELG LEKGWGDCAQ
260 270 280 290 300
RASETIHLLL DLLEAPDPSS LEKFLGTIPM VLNVVILSPH GYFAQANVLG
310 320 330 340 350
YPDTGGQVVY ILDQVRAMEN EMLLRIKQQG LDITPKILIV TRMLPDAHGT
360 370 380 390 400
TCGQRLEKVL GTEHTHILRV PFKTEDGIVR KWISRFEVWP YLEAYTDDVA
410 420 430 440 450
HEIAGELQAN PDLIIGNYSD GNLVACLLAH KLGVTHCTIA HALEKTKYPN
460 470 480 490 500
SDLYWKKFED HYHFSCQFTA DLIAMNHADF IITSTFQEIA GNKDTVGQYE
510 520 530 540 550
SHMAFTMPGL YRVVHGIDVF DPKFNIVSPG ADMSIYFPYT EQQKRLTSLH
560 570 580 590 600
TEIEELLFSD VENAEHKFVL KDKKKPIIFS MARLDRVKNM TGLVEMYGRN
610 620 630 640 650
PRLQELVNLV VVCGDHGKVS KDKEEQVEFK KMFDLIEKYN LSGHIRWISA
660 670 680 690 700
QMNRVRNGEL YRYICDMKGA FVQPAFYEAF GLTVIEAMTC GLPTFATAYG
710 720 730 740 750
GPAEIIVNGV SGYHIDPYQN DKASALLVGF FGKCQEDPSH WNKISQGGLQ
760 770 780 790 800
RIEEKYTWKL YSERLMTLSG VYGFWKYVSN LDRRETRRYL EMLYALKYRK
810
MAATVPLAVE GETSGE
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