SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05586

Signal sequence   VLLCSLVAATAAWPYFGGFQR

Length  21

Organism  Homarus americanus (American lobster)

UniProt ID  Q6KF81,

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  SPKB05586.cif

Structure  SPKB05586.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  2270.67704

Aliphatic index  102.3809524

Isoelectric point  8.527213491

Charge (pH=7)   0.935155858

Topological polar surface area  818

Aromaticity  0.19047619

Average rotatable bonds  3.142857143

Number of hydrogen bond donors  30

Number of hydrogen bond acceptors  28

X logP energy  -4.61743

Hydropathy 



Literature Information


Title  Identification, molecular cloning, and phylogenetic analysis of a non-respiratory pseudo-hemocyanin of Homarus americanus.

DOI  10.1074/jbc.274.19.13217,

Publication Year  1999

PubMed ID  10224079,

Patent ID  NA,



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