Rhodospirillum centenum (strain ATCC 51521 / SW)

Taxonomy: cellular organisms; Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales; Rhodospirillaceae; Rhodospirillum; Rhodospirillum centenum

Average proteome isoelectric point is 6.63

Get precalculated fractions of proteins

Acidic
pI < 6.8
6.8-7.4
pI > 7.4
Basic
    
All



Virtual 2D-PAGE plot for 3984 proteins (isoelectric point calculated using IPC2_protein)

Get csv file with sequences according to given criteria:
        -     Method 

     -  kDa    
                                                                                      

* You can choose from 21 different methods for calculating isoelectric point

Summary statistics related to proteome-wise predictions


    
Protein with the lowest isoelectric point:
>tr|B6IMI6|B6IMI6_RHOCS Sulfurtransferase OS=Rhodospirillum centenum (strain ATCC 51521 / SW) OX=414684 GN=sseA PE=4 SV=1
MM1 pKa = 6.9VAEE4 pKa = 4.07GLIRR8 pKa = 11.84VDD10 pKa = 6.39SEE12 pKa = 4.36FQWDD16 pKa = 4.0NTWDD20 pKa = 3.35EE21 pKa = 4.29PYY23 pKa = 10.72AYY25 pKa = 9.58GVYY28 pKa = 10.29HH29 pKa = 7.18IDD31 pKa = 3.62FGQGRR36 pKa = 11.84VVEE39 pKa = 4.16LLGGDD44 pKa = 4.39FGAGGLTAANLTFFGTFAA62 pKa = 4.65

Molecular weight: 6.79 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|B6IPR6|B6IPR6_RHOCS Fido domain-containing protein OS=Rhodospirillum centenum (strain ATCC 51521 / SW) OX=414684 GN=RC1_2383 PE=4 SV=1
MM1 pKa = 7.45KK2 pKa = 9.59RR3 pKa = 11.84TFQPSKK9 pKa = 9.84LVRR12 pKa = 11.84KK13 pKa = 9.15RR14 pKa = 11.84RR15 pKa = 11.84HH16 pKa = 4.42GFRR19 pKa = 11.84ARR21 pKa = 11.84MATVGGRR28 pKa = 11.84KK29 pKa = 9.01VLARR33 pKa = 11.84RR34 pKa = 11.84RR35 pKa = 11.84AQGRR39 pKa = 11.84KK40 pKa = 9.16RR41 pKa = 11.84LSAA44 pKa = 3.93

Molecular weight: 5.18 kDa
Isoelectric point according different methods:





Peptides (in silico digests for buttom-up proteomics)

Below you can find in silico digests of the whole proteome with Trypsin, Chymotrypsin, Trypsin+LysC, LysN, ArgC proteases suitable for different mass spec machines.

Try
ESI
ChTry
ESI
ArgC
ESI
LysN
ESI
TryLysC
ESI

Try
MALDI
ChTry
MALDI
ArgC
MALDI
LysN
MALDI
TryLysC
MALDI

Try
LTQ
ChTry
LTQ
ArgC
LTQ
LysN
LTQ
TryLysC
LTQ

Try
MSlow
ChTry
MSlow
ArgC
MSlow
LysN
MSlow
TryLysC
MSlow

Try
MShigh
ChTry
MShigh
ArgC
MShigh
LysN
MShigh
TryLysC
MShigh

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

3984

0

3984

1255268

37

5368

315.1

33.95

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

13.499 ± 0.062

0.79 ± 0.011

5.87 ± 0.035

5.653 ± 0.038

3.257 ± 0.024

9.213 ± 0.048

1.923 ± 0.018

3.981 ± 0.029

2.246 ± 0.03

10.895 ± 0.05

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.144 ± 0.021

1.979 ± 0.02

6.106 ± 0.041

2.987 ± 0.025

8.42 ± 0.048

4.528 ± 0.035

5.435 ± 0.056

7.765 ± 0.033

1.344 ± 0.018

1.965 ± 0.02
Note: For amino acid frequency statistics the error has been estimated with the bootstraping (x100) at the protein level

Most of the basic statistics you can see at this page can be downloaded from this CSV file

For dipeptide frequency statistics click here
See this proteome in: uniprot_link
Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI 2.0: Proteome Isoelectric Point Database Update. Nucleic Acids Res. 2021, doi: 10.1093/nar/gkab944 Contact: Lukasz P. Kozlowski