SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB04826

Signal sequence   MSLNRVLHIFLIAYLACTALT

Length  21

Organism  Ptilota filicina (Red alga)

UniProt ID  Q8W257,

Motif  1..21



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  SPKB04826.cif

Structure  SPKB04826.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  2363.90484

Aliphatic index  158.0952381

Isoelectric point  8.534796248

Charge (pH=7)   1.026064949

Topological polar surface area  859.91

Aromaticity  0.095238095

Average rotatable bonds  3.571428571

Number of hydrogen bond donors  32

Number of hydrogen bond acceptors  31

X logP energy  -4.13503

Hydropathy 



Literature Information


Title  Polyenoic fatty acid isomerase from the marine alga Ptilota filicina: protein characterization and functional expression of the cloned cDNA.

DOI  10.1016/S0003-9861(02)00002-4,

Publication Year  2002

PubMed ID  12054482,

Patent ID  NA,



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