SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05495

Signal sequence   MRYAIVFFLVCVITLGEA

Length  18

Organism  Xenopus laevis (African clawed frog)

UniProt ID  Q09022,

Motif  1..18



Activity Information


Pathway  SRP-dependent

Natural/Artificial  Natural

Subcellular location  ER

Secretion efficiency  NA

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB05495.cif

Structure  SPKB05495.cif
Very high (pLDDT > 90)
Confident (90 > pLDDT > 70)
Low (70 > pLDDT > 50)
Very low (pLDDT < 50)
Loading PAE…
Expected Position Error (Ångströms)


Physicochemical Information


Molecular weight  2045.52884

Aliphatic index  146.1111111

Isoelectric point  6.229383416

Charge (pH=7)   -0.063069019

Topological polar surface area  697.68

Aromaticity  0.166666667

Average rotatable bonds  3.555555556

Number of hydrogen bond donors  26

Number of hydrogen bond acceptors  25

X logP energy  -0.91103

Hydropathy 



Literature Information


Title  Purification of antimicrobial peptides from an extract of the skin of Xenopus laevis using heparin-affinity HPLC: characterization by ion-spray mass spectrometry.

DOI  10.1006/abio.1994.1086,

Publication Year  1994

PubMed ID  8203742,

Patent ID  NA,



Faculty of Applied Sciences, Macao Polytechnic University, Macao, China.