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Protein

Floral defensin-like protein 1

Gene

D1

Organism
Petunia hybrida (Petunia)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Plant defense peptide with antifungal activity against F.oxysporum and B.cinerea.

pH dependencei

Stable under extremes of pH.

Temperature dependencei

Stable under extremes of temperature.

GO - Biological processi

Keywordsi

Molecular functionAntimicrobial, Fungicide
Biological processPlant defense

Names & Taxonomyi

Protein namesi
Recommended name:
Floral defensin-like protein 1
Alternative name(s):
PhD1
Gene namesi
Name:D1
OrganismiPetunia hybrida (Petunia)
Taxonomic identifieri4102 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsSolanalesSolanaceaePetunioideaePetunia

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cell wall Cytoskeleton Vacuole Chloroplast Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertion Graphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted, Vacuole

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 251 PublicationAdd BLAST25
ChainiPRO_000000704726 – 72Floral defensin-like protein 1Add BLAST47
PropeptideiPRO_000000704873 – 103Removed in mature formAdd BLAST31

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi28 ↔ 72
Disulfide bondi32 ↔ 48
Disulfide bondi39 ↔ 59
Disulfide bondi45 ↔ 66
Disulfide bondi49 ↔ 68

Post-translational modificationi

When compared to other plant defensins, the petunia defensins have an additional fifth disulfide bond.

Keywords - PTMi

Disulfide bond

Expressioni

Tissue specificityi

Petals.

Structurei

Secondary structure

1103
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

ProteinModelPortaliQ8H6Q1
SMRiQ8H6Q1
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiQ8H6Q1

Family & Domainsi

Domaini

The presence of a 'disulfide through disulfide knot' structurally defines this protein as a knottin.

Sequence similaritiesi

Belongs to the DEFL family.Curated

Keywords - Domaini

Knottin, Signal

Family and domain databases

CDDicd00107 Knot1, 1 hit
Gene3Di3.30.30.10, 1 hit
InterProiView protein in InterPro
IPR003614 Scorpion_toxin-like
IPR036574 Scorpion_toxin-like_sf
SUPFAMiSSF57095 SSF57095, 1 hit

Sequencei

Sequence statusi: Complete.

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

Q8H6Q1-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MARSICFFAV AILALMLFAA YDAEAATCKA ECPTWDSVCI NKKPCVACCK
60 70 80 90 100
KAKFSDGHCS KILRRCLCTK ECVFEKTEAT QTETFTKDVN TLAEALLEAD

MMV
Length:103
Mass (Da):11,361
Last modified:March 1, 2003 - v1
Checksum:iA8B629A3E06A0D01
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF507975 mRNA Translation: AAN64750.1

Similar proteinsi

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF507975 mRNA Translation: AAN64750.1

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1N4NNMR-A26-72[»]
ProteinModelPortaliQ8H6Q1
SMRiQ8H6Q1
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiQ8H6Q1

Family and domain databases

CDDicd00107 Knot1, 1 hit
Gene3Di3.30.30.10, 1 hit
InterProiView protein in InterPro
IPR003614 Scorpion_toxin-like
IPR036574 Scorpion_toxin-like_sf
SUPFAMiSSF57095 SSF57095, 1 hit
ProtoNetiSearch...

Entry informationi

Entry nameiDEF1_PETHY
AccessioniPrimary (citable) accession number: Q8H6Q1
Entry historyiIntegrated into UniProtKB/Swiss-Prot: March 1, 2004
Last sequence update: March 1, 2003
Last modified: September 12, 2018
This is version 66 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
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Main funding by: National Institutes of Health

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