General Information

  • ID:  hor006738
  • Uniprot ID:  P53542
  • Protein name:  Glycoprotein hormones alpha chain
  • Gene name:  cga
  • Organism:  Clarias gariepinus (North African catfish) (Silurus gariepinus)
  • Family:  Glycoprotein hormones subunit alpha family
  • Source:  animal
  • Expression:  NA
  • Disease:  NA
  • Comments:  NA
  • Taxonomy:   Clarias (genus), Clariidae (family), Siluroidei (suborder), Siluriformes (order), Characiphysae (superorder), Otophysi , Ostariophysi (subcohort), Otomorpha (cohort), Clupeocephala , Osteoglossocephalai , Teleostei (infraclass), Neopterygii (subclass), Actinopteri (class), Actinopterygii (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:0016913 follicle-stimulating hormone activity; GO:0046982 protein heterodimerization activity
  • GO BP:  GO:0007186 G protein-coupled receptor signaling pathway; GO:0010469 regulation of signaling receptor activity; GO:0010893 positive regulation of steroid biosynthetic process
  • GO CC:  GO:0005576 extracellular region; GO:0005615 extracellular space; GO:0016914 follicle-stimulating hormone complex

Sequence Information

  • Sequence:  YPNNDFGCEECKLKENNIFSKPGAPVYQCMGCCFSRAYPTPLRSKKTMLVPKNITSEATCCVAKEVKRVIVNDVKLVNHTDCHCSTCYYHKF
  • Length:  92
  • Propeptide:  MTLIPKYTGATILLLCVLIEIGQLYPNNDFGCEECKLKENNIFSKPGAPVYQCMGCCFSRAYPTPLRSKKTMLVPKNITSEATCCVAKEVKRVIVNDVKLVNHTDCHCSTCYYHKF
  • Signal peptide:  MTLIPKYTGATILLLCVLIEIGQL
  • Modification:  NA
  • Glycosylation:  T53 N-linked (GlcNAc...) asparagine;T78 N-linked (GlcNAc...) asparagine
  • Mutagenesis:  NA

Activity

  • Function:  Shared alpha chain of heterodimeric glycoprotein hormones. These hormones bind specific receptors on target cells that in turn activate downstream signaling pathways. Involved in gametogenesis and steroidogenesis.
  • Mechanism:  NA
  • Cross BBB:  NA
  • Target:  NA
  • Target Unid:  NA
  • IC50: NA
  • EC50: NA
  • ED50: NA
  • kd: NA
  • Half life: NA

Structure

  • Disulfide bond:  8-32; 11-61; 29-82; 33-84; 60-87
  • Structure ID:  AF-P53542-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)
  •    hor006738_AF2.pdbhor006738_ESM.pdb

Physical Information

Mass: 1208450 Formula: C456H715N125O133S12
Absent amino acids: W Common amino acids: CK
pI: 8.41 Basic residues: 16
Polar residues: 36 Hydrophobic residues: 23
Hydrophobicity: -37.07 Boman Index: -15335
Half-Life: 2.8 hour Half-Life Yeast: 10 min
Half-Life E.Coli: 2 min Aliphatic Index 59.24
Instability Index: 5351.2 Extinction Coefficient cystines: 8075
Absorbance 280nm: 88.74

Literature

  • PubMed ID:  NA
  • Title:  NA