Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576)
Average proteome isoelectric point is 6.41
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 6071 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|Q8YRM1|Q8YRM1_NOSS1 Alr3425 protein OS=Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) OX=103690 GN=alr3425 PE=4 SV=1
MM1 pKa = 6.93 GTYY4 pKa = 10.47 NGTTPFPDD12 pKa = 4.36 PGSSTSTALDD22 pKa = 3.24 TGLLIGGSLLSTPSLFQDD40 pKa = 3.22 NLSRR44 pKa = 11.84 LIPSDD49 pKa = 3.1 LSDD52 pKa = 3.65 YY53 pKa = 11.38 YY54 pKa = 11.22 RR55 pKa = 11.84 FTLSSSSIVTLEE67 pKa = 4.73 LDD69 pKa = 3.6 GLTDD73 pKa = 3.66 NVNLFLRR80 pKa = 11.84 NSAGSSLAASSNAGTTAEE98 pKa = 4.69 RR99 pKa = 11.84 IRR101 pKa = 11.84 FSISDD106 pKa = 3.63 PPDD109 pKa = 3.24 NPFYY113 pKa = 11.12 AHH115 pKa = 7.26 AFIPSGSISTPYY127 pKa = 10.66 DD128 pKa = 3.18 LRR130 pKa = 11.84 LSAEE134 pKa = 4.44 VIQQNNINDD143 pKa = 3.59 NTIANARR150 pKa = 11.84 NIGTFNTTTSITPVTDD166 pKa = 3.5 YY167 pKa = 11.44 VSGSGQVIDD176 pKa = 3.7 QNDD179 pKa = 4.33 YY180 pKa = 11.67 YY181 pKa = 11.63 SFTLTNSGTVDD192 pKa = 3.0 INLNSLNGTDD202 pKa = 3.52 TLYY205 pKa = 11.39 ADD207 pKa = 4.34 LQLISSSNSVIQTSATVGTSLEE229 pKa = 4.34 SISRR233 pKa = 11.84 SLAAGTYY240 pKa = 8.71 YY241 pKa = 9.95 IRR243 pKa = 11.84 AYY245 pKa = 10.13 SQSDD249 pKa = 3.24 PGNYY253 pKa = 9.33 NLEE256 pKa = 4.6 FNFSADD262 pKa = 3.62 PPDD265 pKa = 4.16 AGGNTSDD272 pKa = 3.27 TSTPINLPATFSEE285 pKa = 4.62 IISDD289 pKa = 3.87 QVSLGDD295 pKa = 3.65 SSDD298 pKa = 3.97 YY299 pKa = 11.15 YY300 pKa = 11.43 QFTLASASLVEE311 pKa = 4.18 IQFTSLTADD320 pKa = 3.11 ANLYY324 pKa = 10.34 LQTQNGGNILSSTQPGTALDD344 pKa = 3.89 AVRR347 pKa = 11.84 LSLNAGTYY355 pKa = 10.33 NILVNRR361 pKa = 11.84 GSTEE365 pKa = 3.79 TAQYY369 pKa = 9.0 TLSGFAQAIGNDD381 pKa = 3.46 QAPNSTTLALNLNLNSPISLNEE403 pKa = 3.54 FVGNIDD409 pKa = 3.31 TNDD412 pKa = 3.38 YY413 pKa = 11.53 YY414 pKa = 11.56 KK415 pKa = 10.39 FTVNGTTEE423 pKa = 3.86 INLDD427 pKa = 3.64 LSILNSYY434 pKa = 10.48 LLDD437 pKa = 4.15 PQLVNADD444 pKa = 3.69 VQILNSGGTQVAISNQTGNSNEE466 pKa = 4.42 SINTILGAGTYY477 pKa = 9.13 FIRR480 pKa = 11.84 VYY482 pKa = 10.62 TSGLANTFYY491 pKa = 11.07 DD492 pKa = 4.8 LNITAQSQALLVQDD506 pKa = 4.55 INPTGNSDD514 pKa = 3.7 PANLTTLGNTLYY526 pKa = 9.07 FTANDD531 pKa = 5.27 GINGVQLWSSNGDD544 pKa = 2.67 ITTRR548 pKa = 11.84 LSNISSFNPTNLIVFNNRR566 pKa = 11.84 LYY568 pKa = 10.66 FAASNDD574 pKa = 3.55 TFGRR578 pKa = 11.84 EE579 pKa = 3.4 LWEE582 pKa = 4.21 YY583 pKa = 11.43 NGTTVNRR590 pKa = 11.84 ISDD593 pKa = 3.77 INVGAGNSNPGNLTVAGNKK612 pKa = 10.0 LFFTAVDD619 pKa = 3.32 NDD621 pKa = 4.56 SIRR624 pKa = 11.84 KK625 pKa = 7.89 LWVYY629 pKa = 11.14 NGTNVNLVDD638 pKa = 4.0 VNASFSNSSTPTFTTTFNNQLFFTAQNNSQLWSTDD673 pKa = 2.65 GTIGGTQVISAGGITKK689 pKa = 8.0 STPRR693 pKa = 11.84 NLTVVGNTLYY703 pKa = 9.09 FTANNGTSGHH713 pKa = 6.36 EE714 pKa = 3.17 IWQYY718 pKa = 11.25 QNGTTASLLEE728 pKa = 5.61 DD729 pKa = 3.28 ITPGNNSFAPSSLTAVGNTLYY750 pKa = 10.7 FVTDD754 pKa = 3.26 SDD756 pKa = 3.98 NDD758 pKa = 3.59 FNLEE762 pKa = 3.89 LWKK765 pKa = 10.77 SDD767 pKa = 2.9 GTAAGTDD774 pKa = 3.48 IIGTDD779 pKa = 3.52 GQAPNLGLGSFSLTAVDD796 pKa = 3.25 NTLYY800 pKa = 10.55 FVANDD805 pKa = 4.7 PISGLEE811 pKa = 3.75 LWKK814 pKa = 9.82 TDD816 pKa = 3.05 GTFANTAVVRR826 pKa = 11.84 NISSGAADD834 pKa = 3.89 SLPTGLVNFNGTLAFAASDD853 pKa = 4.42 GINRR857 pKa = 11.84 EE858 pKa = 3.93 VWFSNGTEE866 pKa = 3.95 LNTRR870 pKa = 11.84 KK871 pKa = 9.98 VSNINPTGNANPASLTVVGTKK892 pKa = 10.57 LFFTANGANGTEE904 pKa = 4.5 LYY906 pKa = 10.85 VII908 pKa = 4.86
Molecular weight: 96.33 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.694
IPC2_protein 3.795
IPC_protein 3.846
Toseland 3.605
ProMoST 4.024
Dawson 3.846
Bjellqvist 3.999
Wikipedia 3.795
Rodwell 3.668
Grimsley 3.516
Solomon 3.846
Lehninger 3.808
Nozaki 3.961
DTASelect 4.253
Thurlkill 3.668
EMBOSS 3.808
Sillero 3.973
Patrickios 1.024
IPC_peptide 3.846
IPC2_peptide 3.948
IPC2.peptide.svr19 3.849
Protein with the highest isoelectric point:
>tr|Q8YS16|Q8YS16_NOSS1 Alr3276 protein OS=Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) OX=103690 GN=alr3276 PE=4 SV=1
MM1 pKa = 7.08 QRR3 pKa = 11.84 TLGGTNRR10 pKa = 11.84 KK11 pKa = 9.1 RR12 pKa = 11.84 KK13 pKa = 7.65 RR14 pKa = 11.84 TSGFRR19 pKa = 11.84 ARR21 pKa = 11.84 MRR23 pKa = 11.84 TPDD26 pKa = 3.17 GRR28 pKa = 11.84 NVIRR32 pKa = 11.84 ARR34 pKa = 11.84 RR35 pKa = 11.84 KK36 pKa = 8.83 RR37 pKa = 11.84 GRR39 pKa = 11.84 HH40 pKa = 4.78 RR41 pKa = 11.84 LSVV44 pKa = 3.19
Molecular weight: 5.25 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.466
IPC2_protein 11.008
IPC_protein 12.618
Toseland 12.778
ProMoST 13.276
Dawson 12.778
Bjellqvist 12.778
Wikipedia 13.261
Rodwell 12.369
Grimsley 12.822
Solomon 13.276
Lehninger 13.173
Nozaki 12.778
DTASelect 12.778
Thurlkill 12.778
EMBOSS 13.276
Sillero 12.778
Patrickios 12.106
IPC_peptide 13.276
IPC2_peptide 12.266
IPC2.peptide.svr19 9.131
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
6070
1
6071
1955973
17
4936
322.2
35.92
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.998 ± 0.034
0.952 ± 0.013
4.81 ± 0.026
6.109 ± 0.034
3.948 ± 0.02
6.627 ± 0.043
1.832 ± 0.02
6.947 ± 0.026
4.786 ± 0.034
10.966 ± 0.044
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.777 ± 0.016
4.635 ± 0.034
4.659 ± 0.024
5.555 ± 0.033
5.011 ± 0.031
6.43 ± 0.027
5.842 ± 0.037
6.619 ± 0.029
1.427 ± 0.012
3.069 ± 0.021
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