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Protein

Kalata-B4

Gene
N/A
Organism
Oldenlandia affinis
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at protein leveli

Functioni

Probably participates in a plant defense mechanism.Curated

GO - Biological processi

Keywordsi

Biological processPlant defense

Names & Taxonomyi

Protein namesi
Recommended name:
Kalata-B4
OrganismiOldenlandia affinis
Taxonomic identifieri60225 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsGentianalesRubiaceaeRubioideaeSpermacoceaeHedyotis-Oldenlandia complexOldenlandia

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
PeptideiPRO_00000436291 – 29Kalata-B4PROSITE-ProRule annotation1 PublicationAdd BLAST29

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Cross-linki1 ↔ 29Cyclopeptide (Gly-Asp)2 Publications
Disulfide bondi5 ↔ 19PROSITE-ProRule annotationBy similarity
Disulfide bondi9 ↔ 21PROSITE-ProRule annotationBy similarity
Disulfide bondi14 ↔ 26PROSITE-ProRule annotationBy similarity

Post-translational modificationi

This is a cyclic peptide.PROSITE-ProRule annotation1 Publication

Keywords - PTMi

Disulfide bond

Structurei

Secondary structure

129
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi10 – 123
Beta strandi19 – 224
Beta strandi25 – 284

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1ZNUNMR-A1-29[»]
ProteinModelPortaliP83938.
SMRiP83938.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP83938.

Family & Domainsi

Domaini

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

Sequence similaritiesi

Belongs to the cyclotide family. Moebius subfamily.PROSITE-ProRule annotation

Keywords - Domaini

Knottin

Family and domain databases

InterProiView protein in InterPro
IPR005535. Cyclotide.
IPR012324. Cyclotide_moebius_CS.
PfamiView protein in Pfam
PF03784. Cyclotide. 1 hit.
PIRSFiPIRSF037891. Cycloviolacin. 1 hit.
SUPFAMiSSF57038. SSF57038. 1 hit.
PROSITEiView protein in PROSITE
PS51052. CYCLOTIDE. 1 hit.
PS60009. CYCLOTIDE_MOEBIUS. 1 hit.

Sequencei

Sequence statusi: Complete.

P83938-1 [UniParc]FASTAAdd to basket

« Hide

        10         20 
GLPVCGETCV GGTCNTPGCT CSWPVCTRD
Length:29
Mass (Da):2,917
Last modified:July 10, 2007 - v2
Checksum:i3CCE6BEE3F82FA18
GO

Mass spectrometryi

Molecular mass is 2893.4 Da from positions 1 - 29. Determined by ESI. 1 Publication

Similar proteinsi

Entry informationi

Entry nameiKAB4_OLDAF
AccessioniPrimary (citable) accession number: P83938
Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 7, 2004
Last sequence update: July 10, 2007
Last modified: May 10, 2017
This is version 45 of the entry and version 2 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Caution

This peptide is cyclic. The start position was chosen by similarity to OAK1 (kalata-B1) for which the DNA sequence is known.Curated

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families