SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB05537

Signal sequence   MKFQVKALAAIAAFAALPALA

Length  21

Organism  Cereibacter sphaeroides (strain ATCC 17023 / DSM 158 / JCM 6121 / CCUG 31486 / LMG 2827 / NBRC 12203 / NCIMB 8253 / ATH 2.4.1.) (Rhodobacter sphaeroides)

UniProt ID  Q3J164,

Motif  1..21



Activity Information


Pathway  Sec

Natural/Artificial  Natural

Subcellular location  Periplasmic space

Secretion efficiency  NA

Type  Sec/SPI



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB05537.cif

Structure  SPKB05537.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  2116.63604

Aliphatic index  130.952381

Isoelectric point  10.80537956

Charge (pH=7)   1.997394232

Topological polar surface area  731.66

Aromaticity  0.095238095

Average rotatable bonds  3.19047619

Number of hydrogen bond donors  24

Number of hydrogen bond acceptors  26

X logP energy  -2.618

Hydropathy 



Literature Information


Title  Cytochrome c2 sequence variation among the recognised species of purple nonsulphur photosynthetic bacteria.

DOI  10.1038/278659a0,

Publication Year  1979

PubMed ID  221822,

Patent ID  NA,



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