A database of hormones and their receptors| A database of hormones and their receptors |
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| HMRbase accession number | 10532 |
| Swiss-prot Accession number | P26727 (Sequence in FASTA format) |
| Description | Bombyxin A-4 precursor (BBX-A4) (4K-prothoracicotropic hormone) (4K-PTTH) [Contains: Bombyxin A-4 B chain; Bombyxin A-4 A chain]. |
| Source organism | Bombyx mori (Silk moth) |
| Taxonomical Classification | Eukaryota; Metazoa; Arthropoda; Hexapoda; Insecta; Pterygota;Neoptera; Endopterygota; Lepidoptera; Glossata; Ditrysia; Bombycoidea;Bombycidae; Bombyx. |
| Subcellular location | Secreted protein |
| Developmental Stage | N/A |
| Similarity | Belongs to the insulin family. |
| Tissue Specificity | N/A |
| Post translational modification | N/A |
| Function | Brain peptide responsible for activation of prothoracic glands to produce ecdysone in insects |
| Protein Length | 92 Amino acids |
| Molecular weight | 10172 |
| References | 1 PubMed abstract 8683595 |
| Domain Name | Insulin |
| Hormone Name | Bombyxin A-4 A chain |
| Mature Hormone Sequence | GIVDECCLRPCSVDVLLSYC |
| Position of mature hormone in Pre-Hormone protein | 20 Residues from position (73-92) |
| Receptor | N/A |
| Gene ID | 100169657 |
| PDB ID | N/A |
| Drugpedia | wiki |
| Comments | !Receptor for this Hormone are either unknown or have not yet been curated |