Escherichia phage K1G
Average proteome isoelectric point is 6.5
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 52 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|D2XJ93|D2XJ93_9CAUD Uncharacterized protein OS=Escherichia phage K1G OX=698486 PE=4 SV=1
MM1 pKa = 6.9 SQEE4 pKa = 4.31 SVEE7 pKa = 3.72 AAYY10 pKa = 10.18 RR11 pKa = 11.84 RR12 pKa = 11.84 KK13 pKa = 9.99 LASNPDD19 pKa = 3.03 GEE21 pKa = 4.43 MDD23 pKa = 4.62 YY24 pKa = 9.86 ITLQISHH31 pKa = 7.73 PLLSKK36 pKa = 9.5 TYY38 pKa = 8.28 YY39 pKa = 10.26 LVRR42 pKa = 11.84 GLQEE46 pKa = 3.63 LTATLEE52 pKa = 4.05 TGEE55 pKa = 4.7 TITFEE60 pKa = 4.24 PTPMEE65 pKa = 4.29 ASGAANNSDD74 pKa = 3.47 MDD76 pKa = 3.63 QTTTFTLPDD85 pKa = 3.96 ILNQLDD91 pKa = 4.0 DD92 pKa = 4.59 EE93 pKa = 4.37 MDD95 pKa = 4.93 KK96 pKa = 11.08 IPMSNTEE103 pKa = 3.69 LPKK106 pKa = 10.39 FVFRR110 pKa = 11.84 RR111 pKa = 11.84 YY112 pKa = 9.99 VSTDD116 pKa = 2.79 LSYY119 pKa = 10.54 PADD122 pKa = 3.77 GPVVYY127 pKa = 9.79 EE128 pKa = 3.91 LQAINQEE135 pKa = 4.09 NGEE138 pKa = 4.1 FSADD142 pKa = 3.08 VGTPMLNQRR151 pKa = 11.84 STGILMTPKK160 pKa = 10.28 EE161 pKa = 4.17 IPLLRR166 pKa = 11.84 GLLTTT171 pKa = 4.94
Molecular weight: 19.05 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.368
IPC2_protein 4.291
IPC_protein 4.215
Toseland 4.037
ProMoST 4.329
Dawson 4.164
Bjellqvist 4.317
Wikipedia 4.05
Rodwell 4.05
Grimsley 3.948
Solomon 4.164
Lehninger 4.113
Nozaki 4.279
DTASelect 4.431
Thurlkill 4.062
EMBOSS 4.062
Sillero 4.329
Patrickios 3.681
IPC_peptide 4.164
IPC2_peptide 4.317
IPC2.peptide.svr19 4.244
Protein with the highest isoelectric point:
>tr|D2XJA0|D2XJA0_9CAUD Uncharacterized protein OS=Escherichia phage K1G OX=698486 PE=4 SV=1
MM1 pKa = 7.77 KK2 pKa = 9.71 EE3 pKa = 4.14 ALPKK7 pKa = 10.57 LSQKK11 pKa = 9.0 TLTGSPSVIFSRR23 pKa = 11.84 VSAAGLSRR31 pKa = 11.84 SDD33 pKa = 3.17 LRR35 pKa = 11.84 EE36 pKa = 3.59 FRR38 pKa = 11.84 KK39 pKa = 9.09 MRR41 pKa = 11.84 LSGRR45 pKa = 11.84 EE46 pKa = 3.5 ARR48 pKa = 11.84 LANRR52 pKa = 11.84 LARR55 pKa = 11.84 RR56 pKa = 11.84 EE57 pKa = 4.31 SNSDD61 pKa = 2.53 SSTRR65 pKa = 11.84 DD66 pKa = 2.99 TSRR69 pKa = 11.84 RR70 pKa = 11.84 SSSTSSASAALQSSLGSRR88 pKa = 11.84 LRR90 pKa = 11.84 QQLQNRR96 pKa = 11.84 GCAIYY101 pKa = 10.86 KK102 pKa = 7.48 LTWKK106 pKa = 10.51 EE107 pKa = 3.58 KK108 pKa = 6.33 TTPSGLLYY116 pKa = 10.41 SQLVASAHH124 pKa = 4.65 RR125 pKa = 11.84 TKK127 pKa = 11.12 EE128 pKa = 3.91 NDD130 pKa = 3.02 SSLARR135 pKa = 11.84 TNWPTPTANDD145 pKa = 3.34 FRR147 pKa = 11.84 GSGEE151 pKa = 4.22 TVIRR155 pKa = 11.84 TDD157 pKa = 3.09 GRR159 pKa = 11.84 DD160 pKa = 3.1 RR161 pKa = 11.84 TFDD164 pKa = 3.44 RR165 pKa = 11.84 LDD167 pKa = 3.27 YY168 pKa = 10.57 STEE171 pKa = 3.89 QGLKK175 pKa = 10.12 ASQPTRR181 pKa = 11.84 TTASGQMLTGSDD193 pKa = 3.48 AVMEE197 pKa = 4.3 SSGRR201 pKa = 11.84 LNPAHH206 pKa = 6.53 SRR208 pKa = 11.84 WLMGYY213 pKa = 7.37 PQEE216 pKa = 4.29 WDD218 pKa = 3.5 DD219 pKa = 4.33 CAVTAMPSSRR229 pKa = 11.84 KK230 pKa = 9.61
Molecular weight: 25.39 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.345
IPC2_protein 9.589
IPC_protein 10.496
Toseland 10.774
ProMoST 10.57
Dawson 10.847
Bjellqvist 10.584
Wikipedia 11.082
Rodwell 10.965
Grimsley 10.877
Solomon 11.008
Lehninger 10.965
Nozaki 10.76
DTASelect 10.57
Thurlkill 10.76
EMBOSS 11.184
Sillero 10.774
Patrickios 10.687
IPC_peptide 11.023
IPC2_peptide 9.589
IPC2.peptide.svr19 8.762
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
52
0
52
12871
59
984
247.5
27.33
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.023 ± 0.427
1.01 ± 0.142
6.262 ± 0.253
6.511 ± 0.385
3.838 ± 0.138
7.668 ± 0.251
1.756 ± 0.193
5.081 ± 0.15
5.967 ± 0.411
7.746 ± 0.286
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.339 ± 0.148
4.126 ± 0.206
3.986 ± 0.241
3.714 ± 0.305
5.423 ± 0.253
6.239 ± 0.4
6.519 ± 0.419
6.985 ± 0.305
1.383 ± 0.181
3.426 ± 0.248
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