Xenopus laevis endogenous retrovirus Xen1

Taxonomy: Viruses; Riboviria; Pararnavirae; Artverviricota; Revtraviricetes; Ortervirales; Retroviridae; unclassified Retroviridae; amphibian retroviruses

Average proteome isoelectric point is 4.85

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 2 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|Q8AEW2|Q8AEW2_9RETR Uncharacterized protein OS=Xenopus laevis endogenous retrovirus Xen1 OX=204873 PE=4 SV=1
MM1 pKa = 7.38SCSNCVCGLSFGITPLGWRR20 pKa = 11.84LAKK23 pKa = 9.08ITPGGYY29 pKa = 8.41PASCLGLGPVLPGFTDD45 pKa = 3.83FLVYY49 pKa = 10.39RR50 pKa = 11.84LNVHH54 pKa = 6.69FSANPTDD61 pKa = 5.02LGDD64 pKa = 3.71SLIDD68 pKa = 2.99IRR70 pKa = 11.84ARR72 pKa = 11.84VASTGQYY79 pKa = 10.61PEE81 pKa = 4.01VCDD84 pKa = 3.21IHH86 pKa = 6.98PATGLDD92 pKa = 3.12EE93 pKa = 5.22CEE95 pKa = 4.15AEE97 pKa = 4.26EE98 pKa = 4.07IVRR101 pKa = 11.84VGNLLSYY108 pKa = 10.84LL109 pKa = 3.83

Molecular weight: 11.62 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|Q8AEW2|Q8AEW2_9RETR Uncharacterized protein OS=Xenopus laevis endogenous retrovirus Xen1 OX=204873 PE=4 SV=1
MM1 pKa = 7.58SCPEE5 pKa = 4.33CVCGLVFIISEE16 pKa = 3.91GGYY19 pKa = 9.55RR20 pKa = 11.84LSSVTSKK27 pKa = 10.86GYY29 pKa = 9.66KK30 pKa = 8.76QEE32 pKa = 3.85EE33 pKa = 4.71LGRR36 pKa = 11.84HH37 pKa = 5.84PIVPEE42 pKa = 3.79TGLDD46 pKa = 3.67SFSSQATYY54 pKa = 10.48VYY56 pKa = 10.06RR57 pKa = 11.84LNVHH61 pKa = 6.4FPVDD65 pKa = 3.91LDD67 pKa = 4.05EE68 pKa = 5.11GWGHH72 pKa = 6.35SLFEE76 pKa = 4.14IRR78 pKa = 11.84KK79 pKa = 8.7SAFEE83 pKa = 4.59HH84 pKa = 6.21GLSPMVCSQHH94 pKa = 7.09SDD96 pKa = 2.89TDD98 pKa = 3.89YY99 pKa = 11.71LEE101 pKa = 5.63SEE103 pKa = 4.37LLDD106 pKa = 4.46FIRR109 pKa = 11.84VRR111 pKa = 11.84SDD113 pKa = 2.62KK114 pKa = 11.02AKK116 pKa = 10.57QLLHH120 pKa = 6.49SADD123 pKa = 4.02EE124 pKa = 4.33FWEE127 pKa = 4.05NLLRR131 pKa = 11.84KK132 pKa = 9.42

Molecular weight: 15.04 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

2

0

2

241

109

132

120.5

13.33

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

4.564 ± 1.228

4.149 ± 0.896

5.809 ± 0.201

7.054 ± 1.63

4.564 ± 0.591

8.714 ± 1.517

3.32 ± 0.981

4.564 ± 0.621

2.905 ± 1.313

12.033 ± 0.536

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

1.245 ± 0.216

2.49 ± 0.78

5.394 ± 1.286

2.075 ± 0.765

4.979 ± 0.259

9.959 ± 1.731

4.149 ± 0.896

7.054 ± 0.189

1.245 ± 0.216

3.734 ± 0.043
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