SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05775

Signal sequence   MRRILCLAVVIFIINDVSS

Length  19

Organism  Margaritifera margaritifera (Freshwater pearl mussel)

UniProt ID  P86872,

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  SPKB05775.cif

Structure  SPKB05775.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  2162.68004

Aliphatic index  174.2105263

Isoelectric point  8.54983383

Charge (pH=7)   0.936449445

Topological polar surface area  831.77

Aromaticity  0.052631579

Average rotatable bonds  3.789473684

Number of hydrogen bond donors  31

Number of hydrogen bond acceptors  28

X logP energy  -4.82396

Hydropathy 



Literature Information


Title  Characterization of MRNP34, a novel methionine-rich nacre protein from the pearl oysters.

DOI  10.1007/s00726-011-0932-0,

Publication Year  2012

PubMed ID  21590302,

Patent ID  NA,



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