| Entry | Preprocaerulein type-4 |
| Uniprot code | P05226 |
| Fasta | P05226 |
| Peptide names | Caerulein Preprocaerulein type-4 |
| Suborder | Mesobatrachia |
| Family | Pipidae |
| Genus | Xenopus |
| Species | Xenopus borealis |
| Ecozone | Afrotropic |
| Distribution | Savanna in northern Tanzania, and central and northern Kenya, above 1500 m elevation. One record for southern Tanzania |
| Antimicrobial & other activities | fall of the blood pressure, contraction of the gall bladder, stimulating acid secretion of the stomach, increasing the pancreatic juice secretion |
| Tissue | Skin |
| Sequence | MFKGILLCVLFAVLSANPLSQPEGFADEEERDVRGLASLLGKALKAALKIGANALGGSPQ QREANDERRFADGQQDYTGWMDFGRRDDEDDVNERDVRGFGSFLGKALKAGLKIGTHFLG GAPQQREANDERRFADGQQDYTGWMDFGRRDGQQDYTGWMDFGRRDDEDDVHERDVRGFG SFLGKALKAALKIGANALGGSPQQREANDERRFADGQQDYTGWMDFGRRNGEDD |
| Length | 234 |
| Signal peptide class | Class-4 |
| References: | |
| 2. for other activities | A. Anastasi et al. / British Journal of Pharmacology 38 (1970) 221-228. Presence of caerulein in extracts of the skin of Leptodactylus pentadactylus labyrinthicus and of Xenopus laevis |
| Segment type | Name | Length | Amidated | Sequence | HC50 (μM) | MIC E. coli (μM) | MIC S. aureus (μM) |
| Signal | 26 | MFKGILLCVLFAVLSANPLSQPEGFA | |||||
| Prepro | 47 | DEEERDVRGLASLLGKALKAALKIGANALGGSPQQREANDERRFADG | |||||
| Bioactive | Caerulein | 10 | No | QQDYTGWMDF | |||
| Prepro | 54 | GRRDDEDDVNERDVRGFGSFLGKALKAGLKIGTHFLGGAPQQREANDERRFADG | |||||
| Bioactive | Caerulein | 10 | No | QQDYTGWMDF | |||
| Prepro | 5 | GRRDG | |||||
| Bioactive | Caerulein | 10 | No | QQDYTGWMDF | |||
| Prepro | 54 | GRRDDEDDVHERDVRGFGSFLGKALKAALKIGANALGGSPQQREANDERRFADG | |||||
| Bioactive | Caerulein | 10 | No | QQDYTGWMDF |