Methanobacterium phage psiM2
Average proteome isoelectric point is 6.21
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 31 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|O80202|O80202_9CAUD Structural protein OS=Methanobacterium phage psiM2 OX=77048 PE=4 SV=1
MM1 pKa = 7.03 VRR3 pKa = 11.84 PGGVEE8 pKa = 3.77 YY9 pKa = 10.76 DD10 pKa = 3.75 HH11 pKa = 6.97 EE12 pKa = 6.61 RR13 pKa = 11.84 IDD15 pKa = 3.81 YY16 pKa = 9.42 MFDD19 pKa = 3.05 EE20 pKa = 5.28 FLADD24 pKa = 3.32 IQDD27 pKa = 3.33 VLTRR31 pKa = 11.84 LKK33 pKa = 9.82 VTDD36 pKa = 3.69 VEE38 pKa = 4.77 SFLSDD43 pKa = 3.07 FHH45 pKa = 8.26 LLTKK49 pKa = 10.6 AEE51 pKa = 3.93 FMRR54 pKa = 11.84 RR55 pKa = 11.84 YY56 pKa = 9.28 GVSEE60 pKa = 3.96 RR61 pKa = 11.84 EE62 pKa = 4.1 YY63 pKa = 11.49 NEE65 pKa = 3.78 LQAALQEE72 pKa = 4.35 VEE74 pKa = 5.15 DD75 pKa = 4.53 LNLPTFEE82 pKa = 6.49 DD83 pKa = 3.8 EE84 pKa = 6.3 DD85 pKa = 3.94 LAQIIWFMGLAVVYY99 pKa = 9.07 LARR102 pKa = 11.84 DD103 pKa = 3.49 IEE105 pKa = 4.64 RR106 pKa = 11.84 DD107 pKa = 3.63 TEE109 pKa = 3.88 IQAYY113 pKa = 7.86 CQHH116 pKa = 6.4 SEE118 pKa = 3.68 AHH120 pKa = 6.17 GGEE123 pKa = 5.01 LYY125 pKa = 11.08 LNWVTMGDD133 pKa = 3.49 DD134 pKa = 4.37 HH135 pKa = 9.24 VCEE138 pKa = 4.25 TCQDD142 pKa = 3.95 YY143 pKa = 11.47 EE144 pKa = 4.43 DD145 pKa = 4.38 GSPYY149 pKa = 10.01 RR150 pKa = 11.84 VEE152 pKa = 4.32 EE153 pKa = 4.51 FPHH156 pKa = 6.55 IPHH159 pKa = 7.19 PFCRR163 pKa = 11.84 CHH165 pKa = 7.32 PEE167 pKa = 4.03 PCDD170 pKa = 3.55 EE171 pKa = 4.33 NGRR174 pKa = 11.84 PIDD177 pKa = 4.44 DD178 pKa = 3.87 LSEE181 pKa = 4.12 YY182 pKa = 10.88 SGTEE186 pKa = 3.5 LEE188 pKa = 4.67 YY189 pKa = 11.0 YY190 pKa = 10.59 DD191 pKa = 5.85 EE192 pKa = 4.59 IMEE195 pKa = 4.64 DD196 pKa = 3.7 FGDD199 pKa = 3.64 VGIDD203 pKa = 3.74 FEE205 pKa = 5.23 AVPPPPPYY213 pKa = 10.75 YY214 pKa = 10.76 YY215 pKa = 10.05 II216 pKa = 4.91
Molecular weight: 25.28 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.881
IPC2_protein 4.012
IPC_protein 3.999
Toseland 3.808
ProMoST 4.126
Dawson 3.961
Bjellqvist 4.113
Wikipedia 3.846
Rodwell 3.821
Grimsley 3.719
Solomon 3.961
Lehninger 3.91
Nozaki 4.062
DTASelect 4.24
Thurlkill 3.834
EMBOSS 3.859
Sillero 4.113
Patrickios 0.502
IPC_peptide 3.961
IPC2_peptide 4.101
IPC2.peptide.svr19 3.998
Protein with the highest isoelectric point:
>tr|O80220|O80220_9CAUD Uncharacterized protein OS=Methanobacterium phage psiM2 OX=77048 PE=4 SV=1
MM1 pKa = 7.6 IVIRR5 pKa = 11.84 GKK7 pKa = 10.76 GIYY10 pKa = 9.33 RR11 pKa = 11.84 CPLAGFGSRR20 pKa = 11.84 IRR22 pKa = 11.84 GVVYY26 pKa = 10.18 EE27 pKa = 4.85 RR28 pKa = 11.84 EE29 pKa = 4.18 APPLGGDD36 pKa = 3.06 RR37 pKa = 11.84 KK38 pKa = 10.47 GGLRR42 pKa = 11.84 EE43 pKa = 3.72 IYY45 pKa = 10.05 LISSRR50 pKa = 11.84 YY51 pKa = 9.57 FLFCSMKK58 pKa = 10.4 RR59 pKa = 11.84 SIASSQADD67 pKa = 3.48 VMGVFSNLSIAIALNIFNFFSDD89 pKa = 3.65 TLKK92 pKa = 10.08 FTGTFFSSLSFMIVTHH108 pKa = 5.55 VASHH112 pKa = 6.49 KK113 pKa = 10.79 KK114 pKa = 10.49 LIFSINIIKK123 pKa = 10.29 NN124 pKa = 3.29
Molecular weight: 13.83 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.3
IPC2_protein 9.663
IPC_protein 10.072
Toseland 10.409
ProMoST 10.058
Dawson 10.555
Bjellqvist 10.233
Wikipedia 10.73
Rodwell 10.95
Grimsley 10.613
Solomon 10.613
Lehninger 10.584
Nozaki 10.409
DTASelect 10.218
Thurlkill 10.423
EMBOSS 10.804
Sillero 10.482
Patrickios 10.687
IPC_peptide 10.613
IPC2_peptide 9.151
IPC2.peptide.svr19 8.576
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
31
0
31
7532
90
1186
243.0
27.72
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.284 ± 0.274
0.611 ± 0.13
6.094 ± 0.404
8.71 ± 0.481
4.01 ± 0.253
6.718 ± 0.277
1.739 ± 0.238
6.691 ± 0.411
6.36 ± 0.386
8.617 ± 0.436
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.642 ± 0.234
4.156 ± 0.287
4.992 ± 0.428
2.244 ± 0.176
6.452 ± 0.432
6.413 ± 0.374
5.629 ± 0.265
6.944 ± 0.318
1.394 ± 0.204
4.302 ± 0.357
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