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Protein

Kalata-B5

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.

GO - Biological processi

Keywordsi

Biological processPlant defense

Names & Taxonomyi

Protein namesi
Recommended name:
Kalata-B5
OrganismiOldenlandia affinis
Taxonomic identifieri60225 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaeasteridslamiidsGentianalesRubiaceaeRubioideaeSpermacoceaeHedyotis-Oldenlandia complexOldenlandia

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
PeptideiPRO_00000436301 – 30Kalata-B5Add BLAST30

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Cross-linki1 ↔ 30Cyclopeptide (Gly-Asn)
Disulfide bondi4 ↔ 20
Disulfide bondi8 ↔ 22
Disulfide bondi13 ↔ 27

Post-translational modificationi

This is a cyclic peptide.

Keywords - PTMi

Disulfide bond

Structurei

Secondary structure

130
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi2 – 7Combined sources6
Beta strandi9 – 11Combined sources3
Helixi15 – 18Combined sources4
Beta strandi21 – 23Combined sources3
Beta strandi26 – 29Combined sources4

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2KUXNMR-A1-30[»]
SMRiP58456.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP58456.

Family & Domainsi

Domaini

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

Sequence similaritiesi

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

Keywords - Domaini

Knottin

Family and domain databases

InterProiView protein in InterPro
IPR005535. Cyclotide.
IPR012323. Cyclotide_bracelet_CS.
IPR036146. Cyclotide_sf.
PfamiView protein in Pfam
PF03784. Cyclotide. 1 hit.
PIRSFiPIRSF037891. Cycloviolacin. 1 hit.
SUPFAMiSSF57038. SSF57038. 1 hit.
PROSITEiView protein in PROSITE
PS51052. CYCLOTIDE. 1 hit.
PS60008. CYCLOTIDE_BRACELET. 1 hit.

Sequencei

Sequence statusi: Complete.

P58456-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30
GTPCGESCVY IPCISGVIGC SCTDKVCYLN
Length:30
Mass (Da):3,086
Last modified:July 28, 2009 - v2
Checksum:iDAC2BA52FC0EB7A3
GO

Mass spectrometryi

P58456: Molecular mass is 3061.6 Da from positions 1 - 30. Determined by ESI. 1 Publication

Similar proteinsi

Entry informationi

Entry nameiKAB5_OLDAF
AccessioniPrimary (citable) accession number: P58456
Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 5, 2001
Last sequence update: July 28, 2009
Last modified: October 25, 2017
This is version 51 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