Lactococcus virus CB20
Average proteome isoelectric point is 6.45
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 51 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|C7T2E8|C7T2E8_9CAUD Putative terminase large subunit OS=Lactococcus virus CB20 OX=665887 PE=4 SV=1
MM1 pKa = 6.54 KK2 pKa = 10.05 QYY4 pKa = 10.55 WIIEE8 pKa = 4.05 DD9 pKa = 3.85 HH10 pKa = 7.12 LDD12 pKa = 3.5 GGLYY16 pKa = 10.09 IMPEE20 pKa = 3.97 DD21 pKa = 3.62 TSEE24 pKa = 4.61 DD25 pKa = 3.56 EE26 pKa = 4.37 LEE28 pKa = 4.28 EE29 pKa = 4.96 VEE31 pKa = 5.02 DD32 pKa = 4.06 TCDD35 pKa = 3.05 EE36 pKa = 4.63 CGDD39 pKa = 3.69 FDD41 pKa = 4.95 SVIGKK46 pKa = 8.97 FSNWNQLKK54 pKa = 10.51 KK55 pKa = 11.07 EE56 pKa = 4.03 MTDD59 pKa = 3.27 VKK61 pKa = 10.6 DD62 pKa = 3.12 WCPYY66 pKa = 8.58 SDD68 pKa = 5.1 EE69 pKa = 4.15 YY70 pKa = 11.5 LKK72 pKa = 11.17 SLFEE76 pKa = 4.13
Molecular weight: 9.04 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.753
IPC2_protein 3.846
IPC_protein 3.795
Toseland 3.592
ProMoST 3.91
Dawson 3.77
Bjellqvist 3.986
Wikipedia 3.694
Rodwell 3.617
Grimsley 3.503
Solomon 3.757
Lehninger 3.706
Nozaki 3.897
DTASelect 4.075
Thurlkill 3.643
EMBOSS 3.706
Sillero 3.91
Patrickios 1.863
IPC_peptide 3.757
IPC2_peptide 3.884
IPC2.peptide.svr19 3.843
Protein with the highest isoelectric point:
>tr|C7T2H3|C7T2H3_9CAUD Uncharacterized protein OS=Lactococcus virus CB20 OX=665887 PE=4 SV=1
MM1 pKa = 7.46 CKK3 pKa = 9.75 KK4 pKa = 10.38 RR5 pKa = 11.84 KK6 pKa = 5.78 YY7 pKa = 8.56 TKK9 pKa = 9.78 MGALYY14 pKa = 10.54 SIANAQHH21 pKa = 6.41 RR22 pKa = 11.84 KK23 pKa = 9.58 KK24 pKa = 10.45 KK25 pKa = 10.08 ADD27 pKa = 4.13 KK28 pKa = 9.8 IPVRR32 pKa = 11.84 AYY34 pKa = 9.48 HH35 pKa = 6.61 CKK37 pKa = 8.93 WCNLYY42 pKa = 10.43 HH43 pKa = 7.32 LSSQQRR49 pKa = 11.84 LNIKK53 pKa = 9.21 TGVIGG58 pKa = 3.97
Molecular weight: 6.78 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.258
IPC2_protein 9.809
IPC_protein 9.882
Toseland 10.511
ProMoST 10.072
Dawson 10.628
Bjellqvist 10.262
Wikipedia 10.76
Rodwell 11.272
Grimsley 10.672
Solomon 10.657
Lehninger 10.643
Nozaki 10.496
DTASelect 10.248
Thurlkill 10.511
EMBOSS 10.891
Sillero 10.54
Patrickios 11.023
IPC_peptide 10.672
IPC2_peptide 9.151
IPC2.peptide.svr19 8.512
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
51
0
51
8589
36
996
168.4
19.08
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.275 ± 0.516
0.71 ± 0.179
5.798 ± 0.32
7.021 ± 0.529
4.401 ± 0.316
6.345 ± 0.619
1.211 ± 0.158
7.207 ± 0.281
8.744 ± 0.401
8.895 ± 0.444
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.62 ± 0.19
6.695 ± 0.338
2.375 ± 0.253
3.528 ± 0.231
3.307 ± 0.272
6.322 ± 0.502
6.648 ± 0.333
6.275 ± 0.331
1.56 ± 0.168
4.063 ± 0.373
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