Proteome-pI - Proteome Isoelectric Point Database statistics

Streptococcus infantis SK1302

Taxonomy: cellular organisms; Bacteria; Terrabacteria group; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae; Streptococcus; Streptococcus infantis

Average proteome isoelectric point is 6.31

Get precalculated fractions of proteins

Acidic

pI < 6.8

6.8-7.4

pI > 7.4

Basic

All

Virtual 2D-PAGE plot for 2,102 proteins (isoelectric point calculated using IPC_method)

Get csv file with sequences according given criteria:

* You can choose from 18 different methods for calculating isoelectric point

Protein with the lowest isoelectric point:

>tr|E1M8K2|E1M8K2_9STRE Probable DNA-directed RNA polymerase subunit delta 

MITKCIFSDLVNEIQNYLGTSNSDIREALPLFYTELNFDGSFISLGDNKWGLRSWYGVDEIDEEIIALEESDDEEVAPKAKKKRVNAFMDGDADAIDYSADDPEDEDAYEEDPALSYDDENPDDEKNEVEAYDAEINEIAPDDLDEEVDLNEEDDEDSEEEEE

Molecular weight: 18.59 kDa
Isoelectric point according different methods:

Protein with the highest isoelectric point:

>tr|E1M6S8|E1M6S8_9STRE 50S ribosomal protein L34 

MKRTYQPSKLRRARKHGFRNRMSTKNGRRVLAARRRKGRKVLAA

Molecular weight: 5.27 kDa
Isoelectric point according different methods:

General Statistics

Number of major isoforms	Number of additional isoforms	Number of all proteins	Number of amino acids	Min. Seq. Length	Max. Seq. Length	Avg. Seq. Length	Avg. Mol. Weight
2,095	7	2,102	471,583	37	2,363	225.1	25.3 kDa

Amino acid frequency

Ala	Cys	Asp	Glu	Phe	Gly	His	Ile	Lys	Leu	Met	Asn	Gln	Pro	Arg	Ser	Thr	Val	Trp	Tyr
7.4	0.61	5.62	7.37	4.66	6.54	1.85	7.14	6.84	10.1	2.55	4.37	4.04	3.36	4.06	6.2	5.56	7.01	0.94	3.77

Note: For statistics only major isoforms were used (in this case 2,095 proteins)
For dipeptide frequency statistics click here

See this proteome in:

Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI: proteome isoelectric point database. Nucleic Acids Res. 2016. doi: 10.1093/nar/gkw978

Contact: Lukasz P. Kozlowski