Sulfolobus turreted icosahedral virus 2

Taxonomy: Viruses; Varidnaviria; Bamfordvirae; Preplasmiviricota; Tectiliviricetes; Belfryvirales; Turriviridae; Alphaturrivirus

Average proteome isoelectric point is 6.97

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 34 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|D5IEY3|D5IEY3_9VIRU Uncharacterized protein OS=Sulfolobus turreted icosahedral virus 2 OX=754004 GN=STIV2_B67 PE=4 SV=1
MM1 pKa = 8.24DD2 pKa = 4.09EE3 pKa = 4.11FKK5 pKa = 10.7EE6 pKa = 4.21VKK8 pKa = 10.03EE9 pKa = 3.75KK10 pKa = 10.77FEE12 pKa = 4.16RR13 pKa = 11.84YY14 pKa = 9.61KK15 pKa = 10.95FDD17 pKa = 2.85VEE19 pKa = 4.48YY20 pKa = 10.29IDD22 pKa = 5.41RR23 pKa = 11.84EE24 pKa = 4.15YY25 pKa = 10.61TINANYY31 pKa = 8.84PKK33 pKa = 10.68AEE35 pKa = 3.93IPIGEE40 pKa = 4.16RR41 pKa = 11.84NGFTGIVVNNGTAILTITLVKK62 pKa = 9.99VAHH65 pKa = 6.84ASTTADD71 pKa = 3.61LGVSTSDD78 pKa = 2.85VGTIILAPGQVLQLTNFPLNEE99 pKa = 3.64IKK101 pKa = 10.53AVYY104 pKa = 9.6NPNSPSSASSVVQVKK119 pKa = 10.01GVIHH123 pKa = 6.75PLFEE127 pKa = 4.47VPVKK131 pKa = 11.04LNVTDD136 pKa = 3.68IVSIQQSNEE145 pKa = 3.48NLLITTNTTINGGNYY160 pKa = 9.58NDD162 pKa = 5.12IVIQPNVTVNFDD174 pKa = 3.71GFVTAKK180 pKa = 10.12KK181 pKa = 10.27IIMQSGSTVNVNGVLIVGEE200 pKa = 4.34IEE202 pKa = 4.11ADD204 pKa = 3.68SPATLASSTPPINLTVNGVLVANYY228 pKa = 8.72VQSDD232 pKa = 4.18VNVEE236 pKa = 4.09VASGFMGVKK245 pKa = 8.39TLXYY249 pKa = 9.48NGQVLYY255 pKa = 11.01VNQGAFLFADD265 pKa = 3.5TMIFSNNLNSLTYY278 pKa = 10.25NSSISSAPGNIFANEE293 pKa = 4.01IYY295 pKa = 10.68FEE297 pKa = 4.34TLLSQQLSVNMNITAKK313 pKa = 9.86KK314 pKa = 9.57IRR316 pKa = 11.84MGGLMGGLMEE326 pKa = 5.41IMAGLLTSLSISNLQFAINGNNLIIKK352 pKa = 7.33MKK354 pKa = 9.93KK355 pKa = 10.22AIIFGFNANVNNSTIEE371 pKa = 3.95IEE373 pKa = 4.21DD374 pKa = 4.1SIIASPSFYY383 pKa = 10.33AYY385 pKa = 10.19SGSSTIYY392 pKa = 10.34IIIKK396 pKa = 10.38GNTQIYY402 pKa = 8.94QLSINSSLTSYY413 pKa = 10.78IFFRR417 pKa = 11.84QNEE420 pKa = 4.1NGQGNIYY427 pKa = 10.16LYY429 pKa = 9.98NASFATSTYY438 pKa = 8.1WRR440 pKa = 11.84IDD442 pKa = 3.3FGVTVTAYY450 pKa = 7.91PASFSTSSSNSITVNGQLYY469 pKa = 9.2MSSNLTTTSASSTTSSSVTIGLPFTVTGFGIAIISQNTNASANQGGYY516 pKa = 10.1LAGNTIQMNNLQLSKK531 pKa = 10.91GSYY534 pKa = 8.67STTTQTGSGNNTYY547 pKa = 9.94WYY549 pKa = 7.69ITSIQGSAPGLYY561 pKa = 10.17YY562 pKa = 10.77LGVYY566 pKa = 10.43DD567 pKa = 4.24EE568 pKa = 5.04TSGATNYY575 pKa = 9.6IAEE578 pKa = 4.18IVVYY582 pKa = 10.47VGTVNQYY589 pKa = 11.38ALSNPLGFVAEE600 pKa = 4.55GGVADD605 pKa = 4.17TSGNTYY611 pKa = 10.83AILNSSASAGTITLSGLAAVV631 pKa = 4.65

Molecular weight: 67.12 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|D5IEX4|D5IEX4_9VIRU Uncharacterized protein OS=Sulfolobus turreted icosahedral virus 2 OX=754004 GN=STIV2_C54a PE=4 SV=1
MM1 pKa = 7.26AKK3 pKa = 9.94KK4 pKa = 9.68WIQKK8 pKa = 9.65AIKK11 pKa = 9.9HH12 pKa = 5.58KK13 pKa = 10.63GALKK17 pKa = 9.41EE18 pKa = 4.22WIKK21 pKa = 10.93KK22 pKa = 7.08EE23 pKa = 3.99HH24 pKa = 6.14PTLLRR29 pKa = 11.84KK30 pKa = 10.35DD31 pKa = 3.74GEE33 pKa = 3.98ISITKK38 pKa = 10.31LEE40 pKa = 4.02EE41 pKa = 4.08FYY43 pKa = 10.87RR44 pKa = 11.84KK45 pKa = 9.78HH46 pKa = 7.0KK47 pKa = 10.95DD48 pKa = 2.89EE49 pKa = 4.5LTPHH53 pKa = 7.49RR54 pKa = 11.84KK55 pKa = 8.92RR56 pKa = 11.84QILLALRR63 pKa = 11.84LYY65 pKa = 10.86RR66 pKa = 11.84MRR68 pKa = 11.84RR69 pKa = 11.84KK70 pKa = 10.13KK71 pKa = 10.55SS72 pKa = 3.12

Molecular weight: 8.88 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

34

0

34

5395

54

631

158.7

17.92

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

6.228 ± 0.556

0.686 ± 0.177

4.133 ± 0.326

7.804 ± 0.905

4.133 ± 0.438

5.876 ± 0.559

1.538 ± 0.214

9.027 ± 0.544

8.378 ± 1.194

10.361 ± 0.467

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

1.909 ± 0.176

5.042 ± 0.637

3.911 ± 0.543

3.207 ± 0.298

4.059 ± 0.441

7.451 ± 0.779

5.338 ± 0.608

5.82 ± 0.445

0.704 ± 0.168

4.374 ± 0.355
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