General Information

  • ID:  hor006143
  • Uniprot ID:  P23389
  • Protein name:  Secretolytin
  • Gene name:  CHGB
  • Organism:  Bos taurus (Bovine)
  • Family:  Chromogranin/secretogranin protein family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:  Bos (genus), Bovinae (subfamily), Bovidae (family), Pecora (infraorder), Ruminantia (suborder), Artiodactyla (order), Laurasiatheria (superorder), Boreoeutheria, Eutheria, Theria, Mammalia (class), Amniota, Tetrapoda, Dipnotetrapodomorpha, Sarcopterygii (superclass), Euteleostomi, Teleostomi, Gnathostomata, Vertebrata, Craniata (subphylum), Chordata (phylum), Deuterostomia, Bilateria, Eumetazoa, Metazoa (kingdom), Opisthokonta, Eukaryota (superkingdom), cellular organisms
  • GO MF:  NA
  • GO BP:  NA
  • GO CC:  GO:0005576 extracellular region; GO:0005615 extracellular space; GO:0016020 membrane; GO:0030141 secretory granule; GO:0030658 transport vesicle membrane; GO:0031410 cytoplasmic vesicle

Sequence Information

  • Sequence:  DLELQKIAEKFSGTRRG
  • Length:  17
  • Propeptide:  MQPAALLGLLGATVVAAVSSMPVDIRNHNEEVVTHCIIEVLSNALLKSSAPPITPECRQVLKKNGKELKNEEKSENENTRFEVRLLRDPADTSEAPGLSSREDSGEGDAQVPTVADTESGGHSRERAGEPPGSQVAKEAKTRYSKSEGQNREEEMVKYQKRERGEVGSEERLSEGPGKAQTAFLNQRNQTPAKKEELVSRYDTQSARGLEKSHSRERSSQESGEETKSQENWPQELQRHPEGQEAPGESEEDASPEVDKRHSRPRHHHGRSRPDRSSQEGNPPLEEESHVGTGNSDEEKARHPAHFRALEEGAEYGEEVRRHSAAQAPGDLQGARFGGRGRGEHQALRRPSEESLEQENKRHGLSPDLNMAQGYSEESEEERGPAPGPSYRARGGEAAAYSTLGQTDEKRFLGETHHRVQESQRDKARRRLPGELRNYLDYGEEKGEEAARGKWQPQGDPRDADENREEARLRGKQYAPHHITEKRLGELLNPFYDPSQWKSSRFERKDPMDDSFLEGEEENGLTLNEKNFFPEYNYDWWEKKPFEEDVNWGYEKRNPVPKLDLKRQYDRVAELDQLLHYRKKSAEFPDFYDSEEQMSPQHTAENEEEKAGQGVLTEEEEKELENLAAMDLELQKIAEKFSGTRRG
  • Signal peptide:  MQPAALLGLLGATVVAAVSS
  • Modification:  T5 Pyrrolidone carboxylic acid
  • Glycosylation:  NA
  • Mutagenesis:  NA

Activity

  • Function:  Secretogranin-1 is a neuroendocrine secretory granule protein, which may be the precursor for other biologically active peptides. The 16 pairs of basic AA distributed throughout its sequence may be used as proteolytic cleavage sites.; Secretolytin has antibacterial activity.
  • 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-P23389-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)
  •    hor006143_AF2.pdbhor006143_ESM.pdb

Physical Information

Mass: 223378 Formula: C84H142N26O27
Absent amino acids: CHMNPVWY Common amino acids: EGKLR
pI: 9.53 Basic residues: 4
Polar residues: 4 Hydrophobic residues: 5
Hydrophobicity: -96.47 Boman Index: -5336
Half-Life: 1.1 hour Half-Life Yeast: 3 min
Half-Life E.Coli: >10 hour Aliphatic Index 74.71
Instability Index: 4730 Extinction Coefficient cystines: 0
Absorbance 280nm: 0

Literature

  • PubMed ID:  2025642
  • Title:  Primary structure of bovine chromogranin B deduced from cDNA sequence.
  • PubMed ID:  9136897
  • Title:  Identification of the secretory vesicle membrane binding region of chromogranin B.
  • PubMed ID:  1350945
  • Title:  Nucleotide and deduced amino acid sequence of bovine adrenal medulla chromogranin B (secretogranin I).
  • PubMed ID:  8218367
  • Title:  pH-dependent binding of chromogranin B and secretory vesicle matrix proteins to the vesicle membrane.
  • PubMed ID:  1554736
  • Title:  Mass spectrometric characterization of bovine chromaffin granule peptides related to chromogranin B.
  • PubMed ID:  1982622
  • Title:  A novel 1745-dalton pyroglutamyl peptide derived from chromogranin B is in the bovine adrenomedullary chromaffin vesicle.
  • PubMed ID:  7744058
  • Title:  Processing of chromogranin B in bovine adrenal medulla. Identification of secretolytin, the endogenous C-terminal fragment of residues 614-626 with antibacterial activity.
  • PubMed ID:  15174145
  • Title:  Characterization and location of post-translational modifications on chromogranin B from bovine adrenal medullary chromaffin granules.
  • PubMed ID:  8603705
  • Title:  Antibacterial activity of secretolytin, a chromogranin B-derived peptide (614-626), is correlated with peptide structure.