SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05671

Signal sequence   MKFLLFCCLFGTFLATGMC

Length  19

Organism  Elaphe quadrivirgata (Japanese four-lined ratsnake)

UniProt ID  Q9PWI3,

Motif  1..19



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  SPKB05671.cif

Structure  SPKB05671.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  2146.72774

Aliphatic index  87.36842105

Isoelectric point  8.045790785

Charge (pH=7)   0.811765118

Topological polar surface area  653.6

Aromaticity  0.210526316

Average rotatable bonds  3.578947368

Number of hydrogen bond donors  26

Number of hydrogen bond acceptors  28

X logP energy  -1.2512

Hydropathy 



Literature Information


Title  Purification, characterization and cDNA cloning of a phospholipase A2 inhibitor from the serum of the non-venomous snake Elaphe quadrivirgata.

DOI  NA,

Publication Year  1999

PubMed ID  10377258,

Patent ID  NA,



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