Staphylococcus virus X2

Taxonomy: Viruses; Duplodnaviria; Heunggongvirae; Uroviricota; Caudoviricetes; Caudovirales; Siphoviridae; Azeredovirinae; Phietavirus

Average proteome isoelectric point is 6.72

Get precalculated fractions of proteins

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



Virtual 2D-PAGE plot for 77 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|Q4ZA47|Q4ZA47_9CAUD ORF036 OS=Staphylococcus virus X2 OX=320850 PE=4 SV=1
MM1 pKa = 6.89QQQAYY6 pKa = 9.38INATIDD12 pKa = 2.95IRR14 pKa = 11.84IPTEE18 pKa = 3.45VEE20 pKa = 3.82YY21 pKa = 10.92QHH23 pKa = 6.88FDD25 pKa = 3.52DD26 pKa = 4.52VDD28 pKa = 3.67KK29 pKa = 11.4EE30 pKa = 4.28KK31 pKa = 10.38EE32 pKa = 4.13TLADD36 pKa = 3.57YY37 pKa = 10.81LYY39 pKa = 10.9NNPDD43 pKa = 3.71EE44 pKa = 4.28ILEE47 pKa = 3.92YY48 pKa = 11.25DD49 pKa = 3.43NLKK52 pKa = 9.69IRR54 pKa = 11.84NVNVEE59 pKa = 3.93VEE61 pKa = 4.1

Molecular weight: 7.32 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|Q4ZA90|Q4ZA90_9CAUD ORF003 OS=Staphylococcus virus X2 OX=320850 PE=4 SV=1
MM1 pKa = 6.82MQVSCIGTRR10 pKa = 11.84VIRR13 pKa = 11.84IRR15 pKa = 11.84LILITYY21 pKa = 9.62KK22 pKa = 10.89DD23 pKa = 3.61STSKK27 pKa = 9.83QRR29 pKa = 11.84NYY31 pKa = 10.33CLNVVSII38 pKa = 4.61

Molecular weight: 4.42 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

77

0

77

13954

33

989

181.2

20.78

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

5.54 ± 0.348

0.545 ± 0.097

6.034 ± 0.222

7.374 ± 0.478

4.221 ± 0.17

5.532 ± 0.381

1.713 ± 0.113

7.41 ± 0.234

8.951 ± 0.397

7.453 ± 0.26

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.687 ± 0.19

6.443 ± 0.251

2.852 ± 0.189

4.178 ± 0.225

4.25 ± 0.262

6.07 ± 0.256

6.5 ± 0.283

6.5 ± 0.308

1.225 ± 0.154

4.522 ± 0.291
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