Proteome-pI - Proteome Isoelectric Point Database statistics

Average proteome isoelectric point is 6.5

Acidic

pI < 6.8

6.8-7.4

pI > 7.4

Basic

All

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

Protein with the lowest isoelectric point:

>tr|A0A0S8H8Y1|A0A0S8H8Y1_9BACT Uncharacterized protein 

MVTQMINVGEQTGTIDEMLDKIADFYDDEVDTAVEALLAAMEPMLIVFLGVVVGGMIVSMYLPIFDMINVVGQ

Molecular weight: 7.97 kDa
Isoelectric point according different methods:

Protein with the highest isoelectric point:

>tr|A0A0S8GVL3|A0A0S8GVL3_9BACT Uncharacterized protein 

MPVAPARAPPPGYPRRRALWPAGRPPAPPSRHLRSVRPRRGPPRPSRAPPQPDRPAPRPHTRGQGP

Molecular weight: 7.26 kDa
Isoelectric point according different methods:

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
3,274	50	3,324	1,068,741	29	2,273	326.4	35.8 kDa

Ala	Cys	Asp	Glu	Phe	Gly	His	Ile	Lys	Leu	Met	Asn	Gln	Pro	Arg	Ser	Thr	Val	Trp	Tyr
11.39	0.83	5.43	7.06	3.54	8.66	1.94	4.55	2.1	10.98	1.84	2.02	3.09	5.31	8.54	5.3	4.89	8.23	1.59	2.72

Note: For statistics only major isoforms were used (in this case 3,274 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