SPKB

Signal Peptide Knowledge Base

General Information


SPKB ID  SPKB02796

Signal sequence   MALKATALFAMLGLSFVLSPSIEA

Length  24

Organism  Enterobacteria phage T4 (Bacteriophage T4)

UniProt ID  P13304,

Motif  1..24



Activity Information


Pathway  NA

Natural/Artificial  Natural

Subcellular location  Periplasmic space

Secretion efficiency  NA

Type  NA



Structure Information


PDB ID  NA,

Predicted Structure ID  SPKB02796.cif

Structure  SPKB02796.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  2482.03454

Aliphatic index  130.4166667

Isoelectric point  6.408795646

Charge (pH=7)   -0.000535612

Topological polar surface area  868.07

Aromaticity  0.083333333

Average rotatable bonds  3.333333333

Number of hydrogen bond donors  30

Number of hydrogen bond acceptors  33

X logP energy  -4.9385

Hydropathy 



Literature Information


Title  The Phage T4 Antiholin RI Has a Cleavable Signal Peptide, Not a SAR Domain.

DOI  10.3389/fmicb.2021.712460,

Publication Year  2021

PubMed ID  34456892,

Patent ID  NA,



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