JC polyomavirus (JCPyV) (JCV)
Average proteome isoelectric point is 6.99
Get precalculated fractions of proteins
Acidic
pI < 6.8
6.8-7.4
pI > 7.4
Basic
All
Note: above files contain also dissociation constants (pKa)
Virtual 2D-PAGE plot for 6 proteins (isoelectric point calculated using IPC2_protein)
Get csv file with sequences according to given criteria:
* 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|O92720|O92720_POVJC Minor capsid protein OS=JC polyomavirus OX=10632 GN=VP3 PE=3 SV=1
MM1 pKa = 7.14 GAALALLGDD10 pKa = 4.3 LVATVSEE17 pKa = 4.25 AAAATGFSVAEE28 pKa = 4.01 IAAGEE33 pKa = 3.91 AAATIEE39 pKa = 4.3 VEE41 pKa = 4.28 IASLATVEE49 pKa = 5.49 GITSTSEE56 pKa = 3.82 AIAAIGLTPEE66 pKa = 4.45 TYY68 pKa = 10.83 AVITGAPGAVAGFAALVQTVTGGSAIAQLGYY99 pKa = 10.77 RR100 pKa = 11.84 FFADD104 pKa = 3.05 WDD106 pKa = 4.17 HH107 pKa = 6.5 KK108 pKa = 11.14 VSTVGLFQQPAMALQLFNPEE128 pKa = 4.35 DD129 pKa = 4.17 YY130 pKa = 11.39 YY131 pKa = 11.45 DD132 pKa = 3.52 ILFPGVNAFVNNIHH146 pKa = 6.25 YY147 pKa = 10.37 LDD149 pKa = 4.1 PRR151 pKa = 11.84 HH152 pKa = 6.33 WGPSLFSTISQAFWNLVRR170 pKa = 11.84 DD171 pKa = 4.39 DD172 pKa = 5.17 LPALTSQEE180 pKa = 3.86 IQRR183 pKa = 11.84 RR184 pKa = 11.84 TQKK187 pKa = 11.02 LFVEE191 pKa = 4.21 NLARR195 pKa = 11.84 FLEE198 pKa = 4.37 EE199 pKa = 3.93 TTWAIVNSPANLYY212 pKa = 10.82 NYY214 pKa = 9.9 ISDD217 pKa = 4.06 YY218 pKa = 10.43 YY219 pKa = 11.38 SRR221 pKa = 11.84 LSPVRR226 pKa = 11.84 PSMVRR231 pKa = 11.84 QVAQRR236 pKa = 11.84 EE237 pKa = 4.28 GTYY240 pKa = 10.19 ISFGHH245 pKa = 6.57 SYY247 pKa = 8.19 TQSIDD252 pKa = 3.57 DD253 pKa = 4.19 ADD255 pKa = 4.52 SIQEE259 pKa = 3.85 VTQRR263 pKa = 11.84 LDD265 pKa = 3.3 LKK267 pKa = 9.91 TPNVQSGEE275 pKa = 4.07 FIEE278 pKa = 5.69 RR279 pKa = 11.84 SIAPGGANQRR289 pKa = 11.84 SAPQWMLPLLLGLYY303 pKa = 8.21 GTVTPALAAYY313 pKa = 9.61 EE314 pKa = 4.43 DD315 pKa = 4.33 GPNKK319 pKa = 10.02 KK320 pKa = 9.5 KK321 pKa = 10.16 RR322 pKa = 11.84 RR323 pKa = 11.84 KK324 pKa = 8.4 EE325 pKa = 3.86 GPRR328 pKa = 11.84 ASSKK332 pKa = 9.28 TSYY335 pKa = 10.17 KK336 pKa = 9.95 RR337 pKa = 11.84 RR338 pKa = 11.84 SRR340 pKa = 11.84 SSRR343 pKa = 11.84 SS344 pKa = 3.18
Molecular weight: 37.34 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 5.463
IPC2_protein 5.55
IPC_protein 5.512
Toseland 5.715
ProMoST 5.715
Dawson 5.614
Bjellqvist 5.677
Wikipedia 5.537
Rodwell 5.563
Grimsley 5.792
Solomon 5.614
Lehninger 5.588
Nozaki 5.792
DTASelect 5.957
Thurlkill 5.804
EMBOSS 5.753
Sillero 5.881
Patrickios 4.151
IPC_peptide 5.626
IPC2_peptide 5.881
IPC2.peptide.svr19 5.912
Protein with the highest isoelectric point:
>tr|O55864|O55864_POVJC Minor capsid protein OS=JC polyomavirus OX=10632 GN=VP2 PE=3 SV=1
MM1 pKa = 7.53 VLRR4 pKa = 11.84 QLSRR8 pKa = 11.84 KK9 pKa = 9.98 ASVKK13 pKa = 10.15 VSKK16 pKa = 8.76 TWSGTKK22 pKa = 9.78 KK23 pKa = 9.32 RR24 pKa = 11.84 AQRR27 pKa = 11.84 ILIFLLEE34 pKa = 4.11 FLLDD38 pKa = 4.07 FCTGEE43 pKa = 4.54 DD44 pKa = 3.53 SVDD47 pKa = 3.0 GKK49 pKa = 10.74 KK50 pKa = 9.81 RR51 pKa = 11.84 QRR53 pKa = 11.84 HH54 pKa = 5.41 SGLTQQTYY62 pKa = 10.71 SALPEE67 pKa = 4.2 PKK69 pKa = 9.57 ATT71 pKa = 3.91
Molecular weight: 8.08 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.186
IPC2_protein 9.487
IPC_protein 9.575
Toseland 10.643
ProMoST 10.101
Dawson 10.701
Bjellqvist 10.292
Wikipedia 10.804
Rodwell 11.257
Grimsley 10.716
Solomon 10.76
Lehninger 10.745
Nozaki 10.599
DTASelect 10.277
Thurlkill 10.599
EMBOSS 11.008
Sillero 10.613
Patrickios 11.023
IPC_peptide 10.774
IPC2_peptide 8.829
IPC2.peptide.svr19 8.572
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
6
0
6
1854
71
688
309.0
35.04
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.365 ± 1.593
2.05 ± 0.757
5.609 ± 0.428
6.365 ± 0.554
4.639 ± 0.425
6.203 ± 0.468
2.211 ± 0.437
3.883 ± 0.494
6.419 ± 1.201
9.277 ± 0.34
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.805 ± 0.508
4.369 ± 0.354
5.34 ± 0.473
4.585 ± 0.347
5.609 ± 0.641
7.012 ± 0.737
5.717 ± 0.635
6.365 ± 0.514
1.618 ± 0.259
3.56 ± 0.345
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