General Information

  • ID:  hor005812
  • Uniprot ID:  P83055
  • Protein name:  Maximakinin-associated peptide
  • Gene name:  NA
  • Organism:  Bombina maxima (Giant fire-bellied toad) (Chinese red belly toad)
  • Family:  Bradykinin-related peptide family
  • Source:  Animal
  • Expression:  Expressed by the skin glands.
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Bombina (genus), Bombinatoridae (family), Anura (order), Batrachia (superorder), Amphibia (class), Tetrapoda , Dipnotetrapodomorpha , Sarcopterygii (superclass), Euteleostomi , Teleostomi , Gnathostomata , Vertebrata , Craniata (subphylum), Chordata (phylum), Deuterostomia , Bilateria , Eumetazoa , Metazoa (kingdom), Opisthokonta , Eukaryota (superkingdom),cellular organisms
  • GO MF:  GO:0005179 hormone activity; GO:0090729 toxin activity
  • GO BP:  GO:0006952 defense response; GO:0007165 signal transduction; GO:0035821 modulation of process of another organism; GO:0042311 vasodilation; GO:0097746 blood vessel diameter maintenance
  • GO CC:  GO:0005576 extracellular region

Sequence Information

  • Sequence:  QIPGLGPLR
  • Length:  9(105-113)
  • Propeptide:  MRLWFCLSFFIVLCLEHFPGTLADERNNRDYTIRTRLHGHHKPSRNNRYAIKTSIHGHHIPRNVPESEEKTEQFLRDLPKINRKGPRPPGFSPFRGKFHSQSLRQIPGLGPLRG
  • Signal peptide:  MRLWFCLSFFIVLCLEHFPGTLA
  • Modification:  T9 Arginine amide
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Potent vasodilator. Binds B1 (BDKRB1) and B2 (BDKRB2) bradykinin receptors.
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  NA
  • Structure ID:  AF-P83055-F1(AlphaFold_DB_ID)

  • Structure: (PDB_ID-from https://www.rcsb.org/; AlphaFold_DB_ID-from https://alphafold.ebi.ac.uk/; hordbxxxxxx_AF2.pdb was predicted structure by AlphaFold2; hordbxxxxxx_ESM.pdb was predicted structure by ESMFold)
    •    hor005812_AF2.pdbhor005812_ESM.pdb

Physical Information

Mass: 109303 Formula: C43H75N13O11
Absent amino acids: ACDEFHKMNSTVWY Common amino acids: GLP
pI: 10.55 Basic residues: 1
Polar residues: 2 Hydrophobic residues: 3
Hydrophobicity: 1.11 Boman Index: -382
Half-Life: 0.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: >10 hour Aliphatic Index 130
Instability Index: 2708.89 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  12948837
  • Title:  Cloning of maximakinin precursor cDNAs from Chinese toad, Bombina maxima, venom.