Virus sp.

Taxonomy: Viruses; unclassified viruses

Average proteome isoelectric point is 8.57

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|A0A345MZT1|A0A345MZT1_9VIRU Coat protein OS=Virus sp. OX=2202649 PE=4 SV=1
MM1 pKa = 7.74PPQGFSLRR9 pKa = 11.84KK10 pKa = 7.52MSQRR14 pKa = 11.84SRR16 pKa = 11.84QKK18 pKa = 10.94AKK20 pKa = 9.7EE21 pKa = 3.82KK22 pKa = 10.53EE23 pKa = 3.85IAKK26 pKa = 9.78VARR29 pKa = 11.84KK30 pKa = 9.47VLNEE34 pKa = 3.55KK35 pKa = 11.0AEE37 pKa = 4.16LKK39 pKa = 10.51EE40 pKa = 4.6HH41 pKa = 7.03IFGQNTTISTTGSLFCMTEE60 pKa = 3.48VDD62 pKa = 5.03QGDD65 pKa = 4.21AYY67 pKa = 11.17NSRR70 pKa = 11.84DD71 pKa = 3.32GGEE74 pKa = 3.92ISIQGIDD81 pKa = 3.53LRR83 pKa = 11.84YY84 pKa = 7.38TVTYY88 pKa = 11.19ADD90 pKa = 4.04ATNQMRR96 pKa = 11.84VIVFTWNDD104 pKa = 3.21GATNPVTGDD113 pKa = 3.29VLQAPGSWDD122 pKa = 3.15VLSYY126 pKa = 11.14LDD128 pKa = 3.39RR129 pKa = 11.84HH130 pKa = 6.31GDD132 pKa = 3.26VPYY135 pKa = 10.74KK136 pKa = 10.39VLYY139 pKa = 10.75DD140 pKa = 3.52KK141 pKa = 10.73THH143 pKa = 6.46LVDD146 pKa = 3.51NTSNPQKK153 pKa = 10.5NGRR156 pKa = 11.84INLRR160 pKa = 11.84FKK162 pKa = 11.18NGIRR166 pKa = 11.84CYY168 pKa = 10.67YY169 pKa = 10.1NGSQGTDD176 pKa = 3.2YY177 pKa = 11.26GKK179 pKa = 10.2RR180 pKa = 11.84QIWMLCISDD189 pKa = 5.13SIASTHH195 pKa = 5.75PAFRR199 pKa = 11.84GVGYY203 pKa = 10.76VYY205 pKa = 10.73FNDD208 pKa = 3.94FF209 pKa = 3.41

Molecular weight: 23.61 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A345MZT1|A0A345MZT1_9VIRU Coat protein OS=Virus sp. OX=2202649 PE=4 SV=1
MM1 pKa = 8.02DD2 pKa = 5.4KK3 pKa = 10.72LVEE6 pKa = 3.88QAIVHH11 pKa = 6.51LANNTYY17 pKa = 10.84SDD19 pKa = 3.58WAWAHH24 pKa = 6.01KK25 pKa = 10.14EE26 pKa = 4.19VVKK29 pKa = 11.01SSTFRR34 pKa = 11.84EE35 pKa = 4.11LLQKK39 pKa = 10.03EE40 pKa = 4.11IKK42 pKa = 9.94RR43 pKa = 11.84IKK45 pKa = 10.82NEE47 pKa = 3.88AQQKK51 pKa = 8.13EE52 pKa = 4.36YY53 pKa = 10.64HH54 pKa = 6.25YY55 pKa = 9.55MITFTVSPTLHH66 pKa = 5.85PTIDD70 pKa = 3.61NEE72 pKa = 4.44TEE74 pKa = 3.97KK75 pKa = 10.96QIEE78 pKa = 4.33DD79 pKa = 4.12YY80 pKa = 10.77IRR82 pKa = 11.84SQSDD86 pKa = 3.04RR87 pKa = 11.84TGLHH91 pKa = 5.41VKK93 pKa = 9.68EE94 pKa = 3.74MHH96 pKa = 6.19YY97 pKa = 10.97VKK99 pKa = 10.26EE100 pKa = 3.84LHH102 pKa = 6.96KK103 pKa = 10.64NGRR106 pKa = 11.84PHH108 pKa = 5.52WHH110 pKa = 6.13VSVTTTKK117 pKa = 10.55AIKK120 pKa = 9.88KK121 pKa = 9.97ALFSYY126 pKa = 8.13YY127 pKa = 10.48QKK129 pKa = 10.56IYY131 pKa = 10.96GNIDD135 pKa = 3.56FSRR138 pKa = 11.84SKK140 pKa = 11.09GKK142 pKa = 10.18NNQDD146 pKa = 2.85ALAYY150 pKa = 8.08MSKK153 pKa = 10.44SGTPTKK159 pKa = 10.31LKK161 pKa = 10.51KK162 pKa = 10.2VALL165 pKa = 4.11

Molecular weight: 19.3 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

374

165

209

187.0

21.45

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

5.615 ± 0.272

0.802 ± 0.49

5.882 ± 1.001

4.813 ± 1.132

3.209 ± 0.479

6.15 ± 1.904

3.476 ± 1.208

5.882 ± 0.109

9.091 ± 2.22

6.15 ± 0.316

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.406 ± 0.011

5.615 ± 0.468

2.941 ± 0.316

5.08 ± 0.141

5.08 ± 0.881

6.952 ± 0.196

7.487 ± 0.239

6.417 ± 0.218

1.604 ± 0.131

5.348 ± 0.065
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