Ictidomys tridecemlineatus (Thirteen-lined ground squirrel) (Spermophilus tridecemlineatus)
Average proteome isoelectric point is 6.68
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 25333 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|A0A287DGJ4|A0A287DGJ4_ICTTR Isoform of I3M2P5 MAX dimerization protein MLX OS=Ictidomys tridecemlineatus OX=43179 GN=MLX PE=4 SV=1
AA1 pKa = 8.25 NEE3 pKa = 4.27 VTDD6 pKa = 3.78 SAYY9 pKa = 10.03 MGSEE13 pKa = 3.91 STYY16 pKa = 10.37 SEE18 pKa = 4.83 CEE20 pKa = 3.95 TFTDD24 pKa = 4.04 EE25 pKa = 4.23 DD26 pKa = 4.41 TSTLVHH32 pKa = 7.13 PEE34 pKa = 4.02 LQPEE38 pKa = 4.26 GDD40 pKa = 3.75 ADD42 pKa = 3.95 SAGGSAVPSEE52 pKa = 4.82 CLDD55 pKa = 3.38 AMEE58 pKa = 4.78 EE59 pKa = 4.19 TDD61 pKa = 5.33 HH62 pKa = 7.06 GALLLLPGRR71 pKa = 11.84 LRR73 pKa = 11.84 PRR75 pKa = 11.84 SQAVVMVMSSEE86 pKa = 4.12 EE87 pKa = 3.85 HH88 pKa = 6.23 FEE90 pKa = 4.76 DD91 pKa = 4.37 YY92 pKa = 11.67 GEE94 pKa = 4.25 GG95 pKa = 3.49
Molecular weight: 10.19 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.753
IPC2_protein 3.846
IPC_protein 3.77
Toseland 3.592
ProMoST 3.91
Dawson 3.732
Bjellqvist 3.884
Wikipedia 3.63
Rodwell 3.605
Grimsley 3.503
Solomon 3.719
Lehninger 3.668
Nozaki 3.859
DTASelect 3.986
Thurlkill 3.63
EMBOSS 3.643
Sillero 3.884
Patrickios 0.846
IPC_peptide 3.719
IPC2_peptide 3.859
IPC2.peptide.svr19 3.784
Protein with the highest isoelectric point:
>tr|I3N090|I3N090_ICTTR Interleukin-6 OS=Ictidomys tridecemlineatus OX=43179 PE=3 SV=2
MM1 pKa = 7.1 RR2 pKa = 11.84 AKK4 pKa = 9.12 WRR6 pKa = 11.84 KK7 pKa = 9.1 KK8 pKa = 9.32 RR9 pKa = 11.84 MRR11 pKa = 11.84 RR12 pKa = 11.84 LKK14 pKa = 10.08 RR15 pKa = 11.84 KK16 pKa = 8.21 RR17 pKa = 11.84 RR18 pKa = 11.84 KK19 pKa = 8.46 MRR21 pKa = 11.84 QRR23 pKa = 11.84 SKK25 pKa = 11.41
Molecular weight: 3.46 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.517
IPC2_protein 11.213
IPC_protein 12.793
Toseland 12.969
ProMoST 13.451
Dawson 12.969
Bjellqvist 12.954
Wikipedia 13.437
Rodwell 12.705
Grimsley 12.998
Solomon 13.451
Lehninger 13.364
Nozaki 12.969
DTASelect 12.954
Thurlkill 12.969
EMBOSS 13.466
Sillero 12.969
Patrickios 12.427
IPC_peptide 13.466
IPC2_peptide 12.442
IPC2.peptide.svr19 9.142
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
18446
6887
25333
14498878
10
7747
572.3
63.85
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.82 ± 0.016
2.174 ± 0.015
4.885 ± 0.011
7.122 ± 0.02
3.697 ± 0.01
6.42 ± 0.022
2.575 ± 0.007
4.497 ± 0.014
5.782 ± 0.017
9.998 ± 0.021
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.189 ± 0.006
3.695 ± 0.01
6.175 ± 0.023
4.784 ± 0.013
5.592 ± 0.013
8.33 ± 0.018
5.308 ± 0.01
6.045 ± 0.012
1.176 ± 0.005
2.71 ± 0.01
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