Escherichia phage K1H
Average proteome isoelectric point is 6.38
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 50 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|D2XJC2|D2XJC2_9CAUD Putative spanin OS=Escherichia phage K1H OX=698487 PE=4 SV=1
MM1 pKa = 7.26 MGFFKK6 pKa = 10.59 VTDD9 pKa = 3.59 VPSRR13 pKa = 11.84 RR14 pKa = 11.84 VVQYY18 pKa = 11.2 ARR20 pKa = 11.84 VSGSGEE26 pKa = 3.67 NVVFIDD32 pKa = 4.36 DD33 pKa = 4.08 EE34 pKa = 4.94 SVLGTPEE41 pKa = 4.9 DD42 pKa = 4.3 DD43 pKa = 4.1 MPFADD48 pKa = 3.92 KK49 pKa = 10.8 TGIALPAAGMLYY61 pKa = 9.45 EE62 pKa = 4.44 IPYY65 pKa = 10.0 LADD68 pKa = 3.94 AGDD71 pKa = 4.2 VYY73 pKa = 10.94 FSVQPKK79 pKa = 9.02 DD80 pKa = 3.4 TEE82 pKa = 4.33 LVDD85 pKa = 4.4 GSATITVEE93 pKa = 4.19 VKK95 pKa = 10.37 AGKK98 pKa = 9.82 APCVLTWYY106 pKa = 10.52 KK107 pKa = 10.74 DD108 pKa = 3.15 GKK110 pKa = 10.02 EE111 pKa = 4.02 VVNAPEE117 pKa = 4.14 EE118 pKa = 4.26 ALSLTVNAVGEE129 pKa = 4.39 YY130 pKa = 9.43 FVKK133 pKa = 9.89 VTDD136 pKa = 3.88 ADD138 pKa = 3.75 GVEE141 pKa = 4.36 AVSKK145 pKa = 9.91 AAKK148 pKa = 7.66 VTKK151 pKa = 10.46 PEE153 pKa = 3.79
Molecular weight: 16.33 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.428
IPC2_protein 4.317
IPC_protein 4.253
Toseland 4.062
ProMoST 4.329
Dawson 4.215
Bjellqvist 4.406
Wikipedia 4.101
Rodwell 4.075
Grimsley 3.973
Solomon 4.202
Lehninger 4.164
Nozaki 4.317
DTASelect 4.507
Thurlkill 4.088
EMBOSS 4.113
Sillero 4.355
Patrickios 3.846
IPC_peptide 4.202
IPC2_peptide 4.342
IPC2.peptide.svr19 4.295
Protein with the highest isoelectric point:
>tr|D2XJF0|D2XJF0_9CAUD Uncharacterized protein OS=Escherichia phage K1H OX=698487 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 = 8.97 PPEE216 pKa = 4.44 WDD218 pKa = 3.61 DD219 pKa = 4.4 CAVTAMPSSRR229 pKa = 11.84 KK230 pKa = 9.61
Molecular weight: 25.36 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
50
0
50
12457
55
984
249.1
27.48
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.026 ± 0.568
1.044 ± 0.15
6.334 ± 0.232
6.599 ± 0.421
3.661 ± 0.152
7.707 ± 0.246
1.654 ± 0.201
5.122 ± 0.165
5.868 ± 0.381
7.771 ± 0.301
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.344 ± 0.148
4.086 ± 0.241
4.014 ± 0.215
3.869 ± 0.379
5.467 ± 0.297
6.318 ± 0.377
6.462 ± 0.365
6.944 ± 0.329
1.405 ± 0.172
3.307 ± 0.249
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