Circovirus-like genome CB-A
Average proteome isoelectric point is 7.77
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 2 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|C6GII6|C6GII6_9VIRU Uncharacterized protein OS=Circovirus-like genome CB-A OX=642256 PE=4 SV=1
MM1 pKa = 7.17 SRR3 pKa = 11.84 SRR5 pKa = 11.84 NWCFTYY11 pKa = 10.93 NNYY14 pKa = 10.46 DD15 pKa = 3.28 SSPRR19 pKa = 11.84 IQKK22 pKa = 9.5 CMKK25 pKa = 8.58 YY26 pKa = 8.75 LTYY29 pKa = 10.05 GYY31 pKa = 10.22 EE32 pKa = 4.13 VGEE35 pKa = 4.38 SGTPHH40 pKa = 6.23 LQGFVIFKK48 pKa = 10.37 NAVAKK53 pKa = 10.07 PSQYY57 pKa = 10.52 FKK59 pKa = 10.39 PAYY62 pKa = 9.51 HH63 pKa = 6.33 FEE65 pKa = 4.33 KK66 pKa = 10.88 ARR68 pKa = 11.84 GTPQQALEE76 pKa = 4.09 YY77 pKa = 9.06 CQKK80 pKa = 10.96 DD81 pKa = 3.74 GNFKK85 pKa = 10.9 EE86 pKa = 5.01 FGEE89 pKa = 4.41 KK90 pKa = 10.06 PKK92 pKa = 10.42 TVADD96 pKa = 4.08 GGAAGGEE103 pKa = 4.23 ANKK106 pKa = 10.03 RR107 pKa = 11.84 RR108 pKa = 11.84 YY109 pKa = 9.66 EE110 pKa = 4.1 EE111 pKa = 4.15 AFSAAKK117 pKa = 9.47 EE118 pKa = 3.99 GRR120 pKa = 11.84 MDD122 pKa = 6.65 DD123 pKa = 3.7 IPADD127 pKa = 3.17 IYY129 pKa = 10.48 IRR131 pKa = 11.84 HH132 pKa = 6.06 YY133 pKa = 10.24 STLKK137 pKa = 10.52 KK138 pKa = 10.1 IRR140 pKa = 11.84 FDD142 pKa = 3.67 HH143 pKa = 7.29 APPAQNNDD151 pKa = 2.93 VLNNYY156 pKa = 7.25 WVYY159 pKa = 11.03 GPSGTGKK166 pKa = 9.65 SKK168 pKa = 10.42 SVRR171 pKa = 11.84 EE172 pKa = 4.07 FFGKK176 pKa = 9.85 SLYY179 pKa = 10.56 VKK181 pKa = 10.22 NQNKK185 pKa = 8.09 WFDD188 pKa = 3.68 GYY190 pKa = 10.93 EE191 pKa = 4.21 GEE193 pKa = 5.11 DD194 pKa = 3.53 FVLIDD199 pKa = 4.53 DD200 pKa = 4.5 VHH202 pKa = 6.64 PNWSGKK208 pKa = 8.88 TILKK212 pKa = 9.42 IWSDD216 pKa = 4.05 HH217 pKa = 5.82 YY218 pKa = 11.05 PFSPEE223 pKa = 3.73 TKK225 pKa = 9.5 GGHH228 pKa = 5.51 IKK230 pKa = 10.07 MIRR233 pKa = 11.84 PEE235 pKa = 4.47 GIIVTSNYY243 pKa = 9.41 TIEE246 pKa = 4.15 EE247 pKa = 4.21 MYY249 pKa = 10.47 EE250 pKa = 4.0 AEE252 pKa = 5.16 EE253 pKa = 4.07 DD254 pKa = 3.51 RR255 pKa = 11.84 QPIRR259 pKa = 11.84 RR260 pKa = 11.84 RR261 pKa = 11.84 FKK263 pKa = 10.39 VIKK266 pKa = 10.46 SEE268 pKa = 3.89 AGYY271 pKa = 10.7 DD272 pKa = 3.83 VIMKK276 pKa = 9.25 EE277 pKa = 3.94 YY278 pKa = 9.48 NKK280 pKa = 10.19 RR281 pKa = 11.84 VAATKK286 pKa = 9.79 ICSNTDD292 pKa = 2.73 EE293 pKa = 4.6 DD294 pKa = 4.71 VVVAEE299 pKa = 5.19 HH300 pKa = 6.42 EE301 pKa = 4.23 PCRR304 pKa = 11.84 PATRR308 pKa = 11.84 ASAPGDD314 pKa = 3.63 HH315 pKa = 6.94 EE316 pKa = 4.89 LPPPATEE323 pKa = 3.89 VQSIVVAVIEE333 pKa = 4.74 SPPPPATTDD342 pKa = 3.12 QQ343 pKa = 3.5
Molecular weight: 38.95 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 6.297
IPC2_protein 6.326
IPC_protein 6.465
Toseland 6.664
ProMoST 6.766
Dawson 6.839
Bjellqvist 6.766
Wikipedia 6.854
Rodwell 6.839
Grimsley 6.795
Solomon 6.854
Lehninger 6.854
Nozaki 7.073
DTASelect 7.234
Thurlkill 7.263
EMBOSS 7.263
Sillero 7.22
Patrickios 4.126
IPC_peptide 6.868
IPC2_peptide 6.868
IPC2.peptide.svr19 6.881
Protein with the highest isoelectric point:
>tr|C6GII6|C6GII6_9VIRU Uncharacterized protein OS=Circovirus-like genome CB-A OX=642256 PE=4 SV=1
MM1 pKa = 6.65 YY2 pKa = 10.05 RR3 pKa = 11.84 YY4 pKa = 9.18 YY5 pKa = 10.86 KK6 pKa = 10.25 KK7 pKa = 10.62 KK8 pKa = 9.18 NAVRR12 pKa = 11.84 RR13 pKa = 11.84 RR14 pKa = 11.84 ATLKK18 pKa = 10.4 RR19 pKa = 11.84 SFKK22 pKa = 10.33 RR23 pKa = 11.84 GFRR26 pKa = 11.84 RR27 pKa = 11.84 AYY29 pKa = 8.79 TPKK32 pKa = 10.29 KK33 pKa = 9.78 SYY35 pKa = 10.4 RR36 pKa = 11.84 PYY38 pKa = 10.99 RR39 pKa = 11.84 KK40 pKa = 9.32 FKK42 pKa = 10.88 SVNPKK47 pKa = 10.07 IKK49 pKa = 10.4 VPNIKK54 pKa = 10.22 VPIAFSSTVALSTSADD70 pKa = 3.57 KK71 pKa = 11.04 IFTPEE76 pKa = 3.64 PTLKK80 pKa = 10.87 DD81 pKa = 3.61 NEE83 pKa = 4.24 VHH85 pKa = 6.26 DD86 pKa = 4.43 TYY88 pKa = 11.36 TRR90 pKa = 11.84 VYY92 pKa = 9.56 NKK94 pKa = 9.88 HH95 pKa = 5.71 KK96 pKa = 10.53 VVSIVNYY103 pKa = 7.5 VQPHH107 pKa = 5.39 QYY109 pKa = 10.52 SSYY112 pKa = 10.26 YY113 pKa = 9.55 YY114 pKa = 9.42 NLVGNGEE121 pKa = 4.05 PLKK124 pKa = 10.46 YY125 pKa = 10.04 VVYY128 pKa = 10.67 KK129 pKa = 9.61 ITPDD133 pKa = 3.42 TLGDD137 pKa = 3.51 EE138 pKa = 4.61 SKK140 pKa = 9.27 PTNFRR145 pKa = 11.84 EE146 pKa = 4.1 AMAMPGARR154 pKa = 11.84 AYY156 pKa = 11.18 SLTRR160 pKa = 11.84 SSKK163 pKa = 10.14 RR164 pKa = 11.84 MRR166 pKa = 11.84 IAQMGVVNTYY176 pKa = 10.82 LKK178 pKa = 10.86 GSEE181 pKa = 4.15 FVDD184 pKa = 3.59 ANLTNVRR191 pKa = 11.84 QSRR194 pKa = 11.84 RR195 pKa = 11.84 ATYY198 pKa = 10.18 IPTNTLEE205 pKa = 5.46 SDD207 pKa = 3.66 LPWYY211 pKa = 10.47 FGFRR215 pKa = 11.84 IWFPQLTGGTLNLPPPSFEE234 pKa = 4.33 VISVLNVSYY243 pKa = 11.11 IMPTNASLTTIKK255 pKa = 10.75 KK256 pKa = 10.35 EE257 pKa = 4.72 DD258 pKa = 3.58 DD259 pKa = 3.7 TLPDD263 pKa = 3.13 NMFNLNCNSDD273 pKa = 4.23 CIFF276 pKa = 4.13
Molecular weight: 31.86 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.235
IPC2_protein 9.604
IPC_protein 9.692
Toseland 9.984
ProMoST 9.765
Dawson 10.233
Bjellqvist 9.94
Wikipedia 10.438
Rodwell 10.584
Grimsley 10.335
Solomon 10.248
Lehninger 10.204
Nozaki 9.97
DTASelect 9.94
Thurlkill 10.072
EMBOSS 10.394
Sillero 10.145
Patrickios 9.56
IPC_peptide 10.248
IPC2_peptide 8.639
IPC2.peptide.svr19 8.603
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
619
276
343
309.5
35.41
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.462 ± 0.853
1.131 ± 0.249
4.847 ± 0.529
5.977 ± 1.668
4.523 ± 0.115
5.493 ± 1.148
1.939 ± 0.523
5.331 ± 0.381
8.239 ± 0.058
4.362 ± 1.326
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.1 ± 0.268
5.816 ± 0.878
7.27 ± 0.014
2.585 ± 0.475
6.139 ± 0.68
6.947 ± 0.629
6.462 ± 1.149
6.785 ± 0.506
1.131 ± 0.249
6.462 ± 0.482
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