Siphoviridae sp. cttb18
Average proteome isoelectric point is 7.05
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 72 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|A0A5Q2WBE0|A0A5Q2WBE0_9CAUD Uncharacterized protein OS=Siphoviridae sp. cttb18 OX=2656723 PE=4 SV=1
MM1 pKa = 7.59 ASYY4 pKa = 11.39 NKK6 pKa = 9.41 FQPFVEE12 pKa = 4.27 KK13 pKa = 10.52 LAEE16 pKa = 4.19 KK17 pKa = 10.31 AHH19 pKa = 6.06 NLGSDD24 pKa = 3.62 TLTVALTTAANAPVATNGVLADD46 pKa = 4.28 LTQIAYY52 pKa = 8.22 TNLSSRR58 pKa = 11.84 AITTTTSSQSSGTYY72 pKa = 10.44 KK73 pKa = 10.69 LVLADD78 pKa = 4.67 LVLTASGAVATFRR91 pKa = 11.84 YY92 pKa = 9.27 VVIYY96 pKa = 10.85 NDD98 pKa = 3.27 TATNDD103 pKa = 3.94 EE104 pKa = 4.62 LIGWYY109 pKa = 9.85 DD110 pKa = 3.38 YY111 pKa = 11.72 GDD113 pKa = 3.66 NVTLANGDD121 pKa = 3.92 TFTLDD126 pKa = 3.56 FDD128 pKa = 3.96 ATNGFIQIAA137 pKa = 3.54
Molecular weight: 14.58 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.853
IPC2_protein 4.139
IPC_protein 4.062
Toseland 3.846
ProMoST 4.253
Dawson 4.075
Bjellqvist 4.228
Wikipedia 4.05
Rodwell 3.897
Grimsley 3.757
Solomon 4.062
Lehninger 4.024
Nozaki 4.202
DTASelect 4.469
Thurlkill 3.923
EMBOSS 4.05
Sillero 4.19
Patrickios 1.977
IPC_peptide 4.05
IPC2_peptide 4.164
IPC2.peptide.svr19 4.077
Protein with the highest isoelectric point:
>tr|A0A5Q2WBD1|A0A5Q2WBD1_9CAUD Uncharacterized protein OS=Siphoviridae sp. cttb18 OX=2656723 PE=4 SV=1
MM1 pKa = 7.5 LFKK4 pKa = 10.76 FGIDD8 pKa = 3.36 LFVSKK13 pKa = 10.75 VLIRR17 pKa = 11.84 IIYY20 pKa = 7.54 FSRR23 pKa = 11.84 MFSFYY28 pKa = 10.47 FVFPIPIVLEE38 pKa = 3.86 NEE40 pKa = 4.4 YY41 pKa = 10.87 ACRR44 pKa = 11.84 WMHH47 pKa = 6.85 LPISKK52 pKa = 10.42 SLFGKK57 pKa = 10.05 MMDD60 pKa = 3.52 KK61 pKa = 10.28 ILRR64 pKa = 11.84 FFYY67 pKa = 10.48 RR68 pKa = 11.84 VGKK71 pKa = 8.54 LTHH74 pKa = 6.63 LLVIKK79 pKa = 10.0 QCISACVKK87 pKa = 10.67 SNCQSRR93 pKa = 11.84 NSRR96 pKa = 11.84 SLNHH100 pKa = 6.5 HH101 pKa = 6.14 LLFRR105 pKa = 11.84 VLYY108 pKa = 10.09 LGNQSTITTLNHH120 pKa = 5.91 YY121 pKa = 8.6 FLSIIILFFLIKK133 pKa = 10.36 PFLLKK138 pKa = 9.96 TRR140 pKa = 11.84 FKK142 pKa = 10.86 ISINFLLKK150 pKa = 10.53 VFQCGKK156 pKa = 9.24 FQWSSCSFF164 pKa = 3.57
Molecular weight: 19.55 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.275
IPC2_protein 9.633
IPC_protein 9.736
Toseland 10.35
ProMoST 9.955
Dawson 10.496
Bjellqvist 10.16
Wikipedia 10.643
Rodwell 11.038
Grimsley 10.555
Solomon 10.526
Lehninger 10.496
Nozaki 10.379
DTASelect 10.145
Thurlkill 10.365
EMBOSS 10.73
Sillero 10.423
Patrickios 10.745
IPC_peptide 10.526
IPC2_peptide 9.18
IPC2.peptide.svr19 8.453
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
72
0
72
12773
29
1014
177.4
20.26
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.13 ± 0.3
1.112 ± 0.144
5.645 ± 0.24
7.242 ± 0.312
4.705 ± 0.225
6.459 ± 0.353
1.879 ± 0.189
6.866 ± 0.232
9.035 ± 0.405
8.604 ± 0.228
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.771 ± 0.198
4.744 ± 0.222
3.664 ± 0.16
4.306 ± 0.236
4.345 ± 0.217
5.418 ± 0.247
5.527 ± 0.323
6.224 ± 0.242
1.746 ± 0.162
3.578 ± 0.212
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