Cyanothece sp. (strain PCC 7425 / ATCC 29141)
Average proteome isoelectric point is 6.32
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 5232 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|B8HYH9|B8HYH9_CYAP4 Uncharacterized protein OS=Cyanothece sp. (strain PCC 7425 / ATCC 29141) OX=395961 GN=Cyan7425_4323 PE=4 SV=1
MM1 pKa = 7.57 EE2 pKa = 5.87 PLVSAPGPTATFTPALNRR20 pKa = 11.84 WLVFSGQDD28 pKa = 3.43 QLDD31 pKa = 4.12 LLLEE35 pKa = 4.17 QYY37 pKa = 9.8 IHH39 pKa = 6.7 SLYY42 pKa = 10.9 DD43 pKa = 3.02 QFLNHH48 pKa = 7.0 PLKK51 pKa = 10.49 PDD53 pKa = 4.17 LSPDD57 pKa = 3.3 QLSQLEE63 pKa = 4.54 GYY65 pKa = 9.56 DD66 pKa = 3.22 WYY68 pKa = 10.82 RR69 pKa = 11.84 ASLTQGLNVEE79 pKa = 4.35 EE80 pKa = 4.66 LADD83 pKa = 5.23 LVTNWLMAVQQMSDD97 pKa = 3.7 LPLDD101 pKa = 3.89 QPQQPP106 pKa = 3.7
Molecular weight: 12.07 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.746
IPC2_protein 3.859
IPC_protein 3.795
Toseland 3.592
ProMoST 3.986
Dawson 3.795
Bjellqvist 3.961
Wikipedia 3.757
Rodwell 3.63
Grimsley 3.503
Solomon 3.783
Lehninger 3.732
Nozaki 3.935
DTASelect 4.151
Thurlkill 3.668
EMBOSS 3.77
Sillero 3.923
Patrickios 1.901
IPC_peptide 3.77
IPC2_peptide 3.897
IPC2.peptide.svr19 3.826
Protein with the highest isoelectric point:
>tr|B8HR60|B8HR60_CYAP4 Uncharacterized protein OS=Cyanothece sp. (strain PCC 7425 / ATCC 29141) OX=395961 GN=Cyan7425_1679 PE=4 SV=1
MM1 pKa = 6.61 TQRR4 pKa = 11.84 TLGGTVRR11 pKa = 11.84 KK12 pKa = 9.6 RR13 pKa = 11.84 KK14 pKa = 8.12 RR15 pKa = 11.84 TSGFRR20 pKa = 11.84 ARR22 pKa = 11.84 MKK24 pKa = 9.25 TKK26 pKa = 9.8 NGRR29 pKa = 11.84 RR30 pKa = 11.84 VIQARR35 pKa = 11.84 RR36 pKa = 11.84 SRR38 pKa = 11.84 GRR40 pKa = 11.84 VRR42 pKa = 11.84 LAVV45 pKa = 3.37
Molecular weight: 5.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.527
IPC2_protein 11.316
IPC_protein 12.925
Toseland 13.086
ProMoST 13.583
Dawson 13.086
Bjellqvist 13.086
Wikipedia 13.554
Rodwell 12.705
Grimsley 13.13
Solomon 13.583
Lehninger 13.481
Nozaki 13.086
DTASelect 13.086
Thurlkill 13.086
EMBOSS 13.583
Sillero 13.086
Patrickios 12.427
IPC_peptide 13.583
IPC2_peptide 12.574
IPC2.peptide.svr19 9.238
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
5232
0
5232
1607800
29
3706
307.3
34.18
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
8.898 ± 0.034
1.069 ± 0.011
4.704 ± 0.024
5.88 ± 0.034
3.762 ± 0.022
6.866 ± 0.03
2.062 ± 0.018
5.811 ± 0.026
3.524 ± 0.027
12.107 ± 0.047
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.843 ± 0.013
3.398 ± 0.018
5.449 ± 0.032
6.158 ± 0.035
5.82 ± 0.025
6.022 ± 0.028
5.531 ± 0.023
6.59 ± 0.026
1.587 ± 0.015
2.919 ± 0.019
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