Lactobacillus prophage Lj928
Average proteome isoelectric point is 6.79
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|Q9AZA2|Q9AZA2_9CAUD Orf309 OS=Lactobacillus prophage Lj928 OX=139872 GN=orf309 PE=4 SV=1
MM1 pKa = 7.53 SFNNHH6 pKa = 4.07 VFEE9 pKa = 5.09 YY10 pKa = 10.61 KK11 pKa = 10.8 CFDD14 pKa = 3.38 NKK16 pKa = 10.21 IEE18 pKa = 3.99 YY19 pKa = 9.16 LACKK23 pKa = 10.08 DD24 pKa = 5.08 PEE26 pKa = 4.4 YY27 pKa = 10.6 EE28 pKa = 3.73 WKK30 pKa = 10.75 NRR32 pKa = 11.84 INYY35 pKa = 9.48 LFDD38 pKa = 4.52 RR39 pKa = 11.84 SSSTLSISGDD49 pKa = 3.04 FGFAVFCWYY58 pKa = 10.57 SSQNTLRR65 pKa = 11.84 DD66 pKa = 3.14 IAEE69 pKa = 3.98 YY70 pKa = 10.88 SKK72 pKa = 11.34 DD73 pKa = 2.95 LGYY76 pKa = 10.46 FVSKK80 pKa = 10.54 VKK82 pKa = 10.41 AAEE85 pKa = 4.11 EE86 pKa = 4.0 LWSYY90 pKa = 11.37 DD91 pKa = 3.27 YY92 pKa = 11.8 SLLDD96 pKa = 3.6 EE97 pKa = 4.43 QLNDD101 pKa = 3.58 YY102 pKa = 11.03 LLLSDD107 pKa = 5.51 EE108 pKa = 5.41 NDD110 pKa = 3.25 DD111 pKa = 4.5 CYY113 pKa = 11.25 LSKK116 pKa = 10.78 SEE118 pKa = 3.97 RR119 pKa = 11.84 QEE121 pKa = 3.87 LKK123 pKa = 11.08 NSILEE128 pKa = 4.17 SWDD131 pKa = 3.35 DD132 pKa = 3.27 RR133 pKa = 11.84 TGYY136 pKa = 10.77 HH137 pKa = 5.93 MSSDD141 pKa = 4.49 LEE143 pKa = 4.1 TKK145 pKa = 10.19 IAVEE149 pKa = 4.14 FDD151 pKa = 3.15 PDD153 pKa = 3.31 YY154 pKa = 11.16 WEE156 pKa = 4.64 NLPDD160 pKa = 3.91 GKK162 pKa = 11.05 VISDD166 pKa = 4.52 WIRR169 pKa = 11.84 DD170 pKa = 3.85 YY171 pKa = 11.88 ASGLQKK177 pKa = 10.22 WLEE180 pKa = 3.81 QDD182 pKa = 3.73 TII184 pKa = 3.82
Molecular weight: 21.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.029
IPC2_protein 4.202
IPC_protein 4.177
Toseland 3.986
ProMoST 4.317
Dawson 4.151
Bjellqvist 4.304
Wikipedia 4.062
Rodwell 4.012
Grimsley 3.897
Solomon 4.151
Lehninger 4.101
Nozaki 4.253
DTASelect 4.469
Thurlkill 4.012
EMBOSS 4.075
Sillero 4.291
Patrickios 2.651
IPC_peptide 4.151
IPC2_peptide 4.279
IPC2.peptide.svr19 4.193
Protein with the highest isoelectric point:
>tr|Q6SEG0|Q6SEG0_9CAUD Uncharacterized protein OS=Lactobacillus prophage Lj928 OX=139872 GN=Ljo_1461 PE=4 SV=1
MM1 pKa = 7.81 RR2 pKa = 11.84 SFIRR6 pKa = 11.84 KK7 pKa = 8.69 PSLKK11 pKa = 10.08 KK12 pKa = 10.67 SFSARR17 pKa = 11.84 TKK19 pKa = 10.3 GRR21 pKa = 11.84 ATRR24 pKa = 11.84 SMKK27 pKa = 10.64 RR28 pKa = 11.84 MINPTYY34 pKa = 9.87 GKK36 pKa = 9.93 KK37 pKa = 8.82 GTGMLTNPKK46 pKa = 10.01 KK47 pKa = 10.74 SMYY50 pKa = 10.01 NKK52 pKa = 9.65 VYY54 pKa = 10.3 SHH56 pKa = 6.44 TSISAMPKK64 pKa = 9.18 GSKK67 pKa = 10.07 KK68 pKa = 10.39 KK69 pKa = 10.09 ISRR72 pKa = 11.84 SHH74 pKa = 7.71 SDD76 pKa = 3.42 DD77 pKa = 3.86 GCWGCGCLIIFMIIVFIVCLLVV99 pKa = 3.31
Molecular weight: 11.13 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.29
IPC2_protein 9.926
IPC_protein 10.292
Toseland 10.935
ProMoST 10.467
Dawson 11.008
Bjellqvist 10.628
Wikipedia 11.14
Rodwell 11.55
Grimsley 11.038
Solomon 11.082
Lehninger 11.067
Nozaki 10.921
DTASelect 10.628
Thurlkill 10.921
EMBOSS 11.316
Sillero 10.935
Patrickios 11.286
IPC_peptide 11.082
IPC2_peptide 9.575
IPC2.peptide.svr19 8.457
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
11552
48
1544
231.0
26.04
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.15 ± 0.72
0.545 ± 0.133
6.83 ± 0.415
5.809 ± 0.301
3.636 ± 0.263
5.878 ± 0.437
1.679 ± 0.218
6.795 ± 0.335
9.401 ± 0.472
7.973 ± 0.3
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.45 ± 0.163
6.44 ± 0.235
2.961 ± 0.268
4.597 ± 0.237
3.618 ± 0.259
7.306 ± 0.615
6.224 ± 0.282
5.549 ± 0.233
1.229 ± 0.165
3.93 ± 0.379
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