Bos taurus (Bovine)
Average proteome isoelectric point is 6.76
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 37882 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:
>sp|A8QW39|F183A_BOVIN Protein FAM183A OS=Bos taurus OX=9913 GN=FAM183A PE=2 SV=1
MM1 pKa = 8.24 DD2 pKa = 4.75 FQQLADD8 pKa = 4.22 VAEE11 pKa = 4.71 KK12 pKa = 9.75 WCSNTPFEE20 pKa = 5.73 LIATEE25 pKa = 3.96 EE26 pKa = 4.32 TEE28 pKa = 4.33 RR29 pKa = 11.84 RR30 pKa = 11.84 MDD32 pKa = 4.29 FYY34 pKa = 11.47 ADD36 pKa = 3.74 PGVSFYY42 pKa = 10.98 VLCPDD47 pKa = 4.64 NGCGDD52 pKa = 3.96 NFHH55 pKa = 6.3 VWSEE59 pKa = 4.48 SEE61 pKa = 3.97 DD62 pKa = 3.63 CLPFLQLAQDD72 pKa = 4.45 YY73 pKa = 10.71 ISSCGKK79 pKa = 8.56 KK80 pKa = 7.94 TLHH83 pKa = 6.31 EE84 pKa = 4.11 VLEE87 pKa = 4.47 KK88 pKa = 10.61 VFKK91 pKa = 10.63 SFRR94 pKa = 11.84 PLLGLPDD101 pKa = 4.83 ADD103 pKa = 3.93 DD104 pKa = 4.59 DD105 pKa = 4.62 AFEE108 pKa = 4.77 EE109 pKa = 4.52 YY110 pKa = 10.51 SADD113 pKa = 3.68 VEE115 pKa = 4.38 EE116 pKa = 5.09 EE117 pKa = 4.2 EE118 pKa = 5.29 PEE120 pKa = 4.13 ADD122 pKa = 3.66 HH123 pKa = 6.65 PQMGVSQQQ131 pKa = 3.0
Molecular weight: 14.93 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.774
IPC2_protein 3.948
IPC_protein 3.897
Toseland 3.706
ProMoST 4.037
Dawson 3.872
Bjellqvist 4.024
Wikipedia 3.783
Rodwell 3.732
Grimsley 3.617
Solomon 3.859
Lehninger 3.821
Nozaki 3.986
DTASelect 4.164
Thurlkill 3.745
EMBOSS 3.795
Sillero 4.024
Patrickios 1.888
IPC_peptide 3.872
IPC2_peptide 3.999
IPC2.peptide.svr19 3.905
Protein with the highest isoelectric point:
>tr|A0A3Q1LRN5|A0A3Q1LRN5_BOVIN Uncharacterized protein OS=Bos taurus OX=9913 GN=ZNF454 PE=4 SV=1
RR1 pKa = 7.4 SPHH4 pKa = 4.88 TAGRR8 pKa = 11.84 SPHH11 pKa = 5.18 TAGRR15 pKa = 11.84 SPHH18 pKa = 5.18 TAGRR22 pKa = 11.84 SPHH25 pKa = 5.18 TAGRR29 pKa = 11.84 SPHH32 pKa = 5.18 TAGRR36 pKa = 11.84 SPHH39 pKa = 5.18 TAGRR43 pKa = 11.84 SPHH46 pKa = 4.96 TRR48 pKa = 11.84 VRR50 pKa = 11.84 TPHH53 pKa = 5.34 TAGRR57 pKa = 11.84 SPHH60 pKa = 5.18 TAGRR64 pKa = 11.84 SPHH67 pKa = 5.18 TAGRR71 pKa = 11.84 SPHH74 pKa = 5.61 TAGGSPHH81 pKa = 5.85 TAGRR85 pKa = 11.84 SPHH88 pKa = 4.85 TAGRR92 pKa = 11.84 IRR94 pKa = 11.84 TPHH97 pKa = 5.21 TAGRR101 pKa = 11.84 SPHH104 pKa = 5.18 TAGRR108 pKa = 11.84 SPHH111 pKa = 5.61 TAGGSPHH118 pKa = 6.22 TRR120 pKa = 11.84 VKK122 pKa = 10.06 TPHH125 pKa = 5.45 TAGRR129 pKa = 11.84 SPHH132 pKa = 5.18 TAGRR136 pKa = 11.84 SPHH139 pKa = 5.18 TAGRR143 pKa = 11.84 SPHH146 pKa = 4.96 TRR148 pKa = 11.84 VRR150 pKa = 11.84 TPHH153 pKa = 5.34 TAGRR157 pKa = 11.84 SPHH160 pKa = 5.18 TAGRR164 pKa = 11.84 SPHH167 pKa = 4.96 TQGEE171 pKa = 4.33 AFLL174 pKa = 5.21
Molecular weight: 17.98 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.526
IPC2_protein 11.286
IPC_protein 12.896
Toseland 13.056
ProMoST 13.568
Dawson 13.056
Bjellqvist 13.056
Wikipedia 13.539
Rodwell 12.574
Grimsley 13.1
Solomon 13.554
Lehninger 13.466
Nozaki 13.056
DTASelect 13.056
Thurlkill 13.056
EMBOSS 13.554
Sillero 13.056
Patrickios 12.296
IPC_peptide 13.568
IPC2_peptide 12.559
IPC2.peptide.svr19 9.252
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
23847
14035
37882
22676720
8
8139
598.6
66.67
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.059 ± 0.014
2.228 ± 0.013
4.845 ± 0.009
7.069 ± 0.016
3.653 ± 0.009
6.577 ± 0.017
2.536 ± 0.006
4.379 ± 0.011
5.684 ± 0.014
10.0 ± 0.018
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.124 ± 0.006
3.558 ± 0.009
6.317 ± 0.019
4.721 ± 0.01
5.719 ± 0.012
8.31 ± 0.017
5.277 ± 0.01
6.069 ± 0.011
1.227 ± 0.005
2.648 ± 0.008
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