Lactococcus phage phiQ1
Average proteome isoelectric point is 5.85
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 86 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|A0A455VJF7|A0A455VJF7_9CAUD Uncharacterized protein OS=Lactococcus phage phiQ1 OX=2488571 PE=4 SV=1
MM1 pKa = 7.55 KK2 pKa = 10.47 LKK4 pKa = 10.86 LIDD7 pKa = 3.51 VRR9 pKa = 11.84 LDD11 pKa = 3.35 EE12 pKa = 5.49 DD13 pKa = 3.55 FHH15 pKa = 9.63 AEE17 pKa = 4.57 FGTCDD22 pKa = 3.13 LCMSTGYY29 pKa = 10.3 AAQPTYY35 pKa = 10.6 IFEE38 pKa = 4.66 DD39 pKa = 3.69 EE40 pKa = 3.99 NGIRR44 pKa = 11.84 TEE46 pKa = 3.92 VEE48 pKa = 3.94 GYY50 pKa = 7.58 YY51 pKa = 9.85 WSWGDD56 pKa = 3.39 YY57 pKa = 11.39 DD58 pKa = 4.81 EE59 pKa = 6.32 INVNNVIDD67 pKa = 4.16 FAAWVAEE74 pKa = 3.84 QDD76 pKa = 3.85 FSDD79 pKa = 3.64 TLKK82 pKa = 10.57 EE83 pKa = 4.17 VEE85 pKa = 4.68 VRR87 pKa = 11.84 WDD89 pKa = 3.28 TYY91 pKa = 9.5 NQHH94 pKa = 7.2 SIFDD98 pKa = 4.08 WGWLRR103 pKa = 11.84 AIVQAYY109 pKa = 8.83 NEE111 pKa = 4.28 KK112 pKa = 10.62 LNIVEE117 pKa = 5.04 GVITYY122 pKa = 9.34 DD123 pKa = 3.07
Molecular weight: 14.48 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.77
IPC2_protein 3.986
IPC_protein 3.935
Toseland 3.745
ProMoST 4.037
Dawson 3.923
Bjellqvist 4.113
Wikipedia 3.834
Rodwell 3.77
Grimsley 3.656
Solomon 3.91
Lehninger 3.859
Nozaki 4.037
DTASelect 4.228
Thurlkill 3.783
EMBOSS 3.846
Sillero 4.062
Patrickios 1.036
IPC_peptide 3.91
IPC2_peptide 4.037
IPC2.peptide.svr19 3.97
Protein with the highest isoelectric point:
>tr|A0A455VEG5|A0A455VEG5_9CAUD Uncharacterized protein OS=Lactococcus phage phiQ1 OX=2488571 PE=4 SV=1
MM1 pKa = 7.49 KK2 pKa = 10.0 EE3 pKa = 3.23 IWKK6 pKa = 10.14 DD7 pKa = 3.48 VIDD10 pKa = 3.95 YY11 pKa = 10.09 EE12 pKa = 5.41 GYY14 pKa = 9.63 YY15 pKa = 9.69 QVSNLGGFRR24 pKa = 11.84 SLEE27 pKa = 3.93 RR28 pKa = 11.84 KK29 pKa = 9.31 SRR31 pKa = 11.84 SGKK34 pKa = 5.84 TLKK37 pKa = 10.92 AKK39 pKa = 10.54 VLTGTINQAGYY50 pKa = 10.42 VAVHH54 pKa = 6.45 LSKK57 pKa = 11.2 DD58 pKa = 3.35 GTLKK62 pKa = 10.59 KK63 pKa = 10.48 DD64 pKa = 3.44 LLHH67 pKa = 6.44 RR68 pKa = 11.84 LVMKK72 pKa = 10.82 AFVEE76 pKa = 4.32 NPNNYY81 pKa = 8.9 PQVNHH86 pKa = 6.64 IDD88 pKa = 3.61 EE89 pKa = 4.89 NKK91 pKa = 9.71 TNNCITNLEE100 pKa = 4.29 WVSPKK105 pKa = 10.49 QNANHH110 pKa = 5.86 GTRR113 pKa = 11.84 NQRR116 pKa = 11.84 VVEE119 pKa = 3.97 TTIRR123 pKa = 11.84 NNKK126 pKa = 8.62 LGKK129 pKa = 9.48 PVTNGFKK136 pKa = 9.92 TFQSIRR142 pKa = 11.84 GAGRR146 pKa = 11.84 ITGISSSGINACLRR160 pKa = 11.84 GLQKK164 pKa = 9.77 TAGGFTWRR172 pKa = 11.84 YY173 pKa = 7.49 MNEE176 pKa = 3.62
Molecular weight: 19.77 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.145
IPC2_protein 9.414
IPC_protein 9.414
Toseland 10.233
ProMoST 9.809
Dawson 10.379
Bjellqvist 9.999
Wikipedia 10.511
Rodwell 10.935
Grimsley 10.423
Solomon 10.394
Lehninger 10.379
Nozaki 10.218
DTASelect 9.999
Thurlkill 10.248
EMBOSS 10.613
Sillero 10.292
Patrickios 10.643
IPC_peptide 10.409
IPC2_peptide 8.595
IPC2.peptide.svr19 8.44
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
86
0
86
18207
45
1309
211.7
23.91
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
5.992 ± 0.473
1.126 ± 0.16
6.481 ± 0.22
7.113 ± 0.434
4.048 ± 0.176
6.119 ± 0.49
1.637 ± 0.144
6.585 ± 0.183
7.08 ± 0.317
8.464 ± 0.242
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.801 ± 0.093
6.261 ± 0.184
3.175 ± 0.187
3.916 ± 0.209
3.757 ± 0.23
6.283 ± 0.328
7.113 ± 0.304
6.816 ± 0.217
1.126 ± 0.118
4.108 ± 0.251
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