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Protein

Systemin

Gene
N/A
Organism
Solanum lycopersicum (Tomato) (Lycopersicon esculentum)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at protein leveli

Functioni

Activates a lipid-based signal transduction pathway in which linolenic acid is converted to jasmonic acid, a potent activator of defense gene transcription, including proteinase inhibitor.1 Publication

Keywords - Molecular functioni

Hormone

Names & Taxonomyi

Protein namesi
Recommended name:
Systemin
OrganismiSolanum lycopersicum (Tomato) (Lycopersicon esculentum)
Taxonomic identifieri4081 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaeSolanoideaeSolaneaeSolanumLycopersicon
ProteomesiUP000004994: Unplaced

Subcellular locationi

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Propeptidei1 – 1781781 PublicationPRO_0000022461Add
BLAST
Peptidei179 – 19618SysteminPRO_0000022462Add
BLAST
Propeptidei197 – 2004PRO_0000022463

Expressioni

Tissue specificityi

All organs except the roots. Transported out of wounds to distal tissues.

Inductioni

By wounding; in leaves.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Repeati3 – 861; truncated
Repeati37 – 4592
Repeati80 – 8893
Repeati117 – 12594
Repeati145 – 15395

Keywords - Domaini

Repeat

Family and domain databases

InterProiIPR009966. Prosystemin/Systemin.
[Graphical view]
PfamiPF07376. Prosystemin. 1 hit.
[Graphical view]
ProDomiPD006587. Prosystemin. 1 hit.
[Graphical view] [Entries sharing at least one domain]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P27058-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGTPSYDIKN KGDDMQEEPK VKLHHEKGGD EKEKIIEKET PSQDINNKDT
60 70 80 90 100
ISSYVLRDDT QEIPKMEHEE GGYVKEKIVE KETISQYIIK IEGDDDAQEK
110 120 130 140 150
LKVEYEEEEY EKEKIVEKET PSQDINNKGD DAQEKPKVEH EEGDDKETPS
160 170 180 190 200
QDIIKMEGEG ALEITKVVCE KIIVREDLAV QSKPPSKRDP PKMQTDNNKL
Length:200
Mass (Da):22,999
Last modified:August 1, 1992 - v1
Checksum:iFA251D94BAA9C5A9
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M84800 Genomic DNA. Translation: AAA34182.1.
M84801 mRNA. Translation: AAA34184.1.
PIRiT07149.
RefSeqiXP_004240004.1. XM_004239956.2.
UniGeneiLes.266.

Genome annotation databases

GeneIDi543989.
KEGGisly:543989.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M84800 Genomic DNA. Translation: AAA34182.1.
M84801 mRNA. Translation: AAA34184.1.
PIRiT07149.
RefSeqiXP_004240004.1. XM_004239956.2.
UniGeneiLes.266.

3D structure databases

ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi543989.
KEGGisly:543989.

Family and domain databases

InterProiIPR009966. Prosystemin/Systemin.
[Graphical view]
PfamiPF07376. Prosystemin. 1 hit.
[Graphical view]
ProDomiPD006587. Prosystemin. 1 hit.
[Graphical view] [Entries sharing at least one domain]
ProtoNetiSearch...

Publicationsi

  1. "Structure, expression, and antisense inhibition of the systemin precursor gene."
    McGurl B., Pearce G., Orozco-Cardenas M., Ryan C.A.
    Science 255:1570-1573(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA].
    Tissue: Leaf.
  2. "A polypeptide from tomato leaves induces wound-inducible proteinase inhibitor proteins."
    Pearce G., Strydom D., Johnson S., Ryan C.A.
    Science 253:895-898(1991)
    Cited for: PROTEIN SEQUENCE OF 179-196.
  3. "The systemin signaling pathway: differential activation of plant defensive genes."
    Ryan C.A.
    Biochim. Biophys. Acta 1477:112-121(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION.

Entry informationi

Entry nameiSYST_SOLLC
AccessioniPrimary (citable) accession number: P27058
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1992
Last sequence update: August 1, 1992
Last modified: February 4, 2015
This is version 58 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

Complete proteome, Direct protein sequencing, Reference proteome

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.