Nitrosospira briensis
Average proteome isoelectric point is 6.64
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 2913 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|A0A1I4YPQ9|A0A1I4YPQ9_9PROT Uncharacterized protein OS=Nitrosospira briensis OX=35799 GN=SAMN05216386_0816 PE=4 SV=1
MM1 pKa = 7.47 VSVPWTLPGASFDD14 pKa = 4.14 ATPGTPFTLGCLTFHH29 pKa = 6.8 NGEE32 pKa = 4.24 ILSGTGADD40 pKa = 3.07 SVNFRR45 pKa = 11.84 LAINFDD51 pKa = 3.71 NVPEE55 pKa = 4.24 KK56 pKa = 11.08 NLVLEE61 pKa = 4.79 TPFHH65 pKa = 6.11 LTNTPNVDD73 pKa = 3.88 DD74 pKa = 4.85 PVAAADD80 pKa = 4.05 FVSIGNFNFTFNVFEE95 pKa = 4.74 GNTASVDD102 pKa = 3.29 ILATLSTGLTATMAQVCLLNGCC124 pKa = 4.45
Molecular weight: 13.04 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.758
IPC2_protein 3.91
IPC_protein 3.808
Toseland 3.617
ProMoST 4.012
Dawson 3.821
Bjellqvist 3.986
Wikipedia 3.783
Rodwell 3.656
Grimsley 3.541
Solomon 3.795
Lehninger 3.757
Nozaki 3.961
DTASelect 4.164
Thurlkill 3.694
EMBOSS 3.795
Sillero 3.948
Patrickios 1.914
IPC_peptide 3.795
IPC2_peptide 3.91
IPC2.peptide.svr19 3.843
Protein with the highest isoelectric point:
>tr|A0A1I4XFE3|A0A1I4XFE3_9PROT ParB-like nuclease domain-containing protein OS=Nitrosospira briensis OX=35799 GN=SAMN05216386_0099 PE=4 SV=1
MM1 pKa = 7.56 LSLYY5 pKa = 9.67 MEE7 pKa = 4.41 NAMKK11 pKa = 10.6 NKK13 pKa = 9.75 RR14 pKa = 11.84 CAACDD19 pKa = 3.08 RR20 pKa = 11.84 LFRR23 pKa = 11.84 PRR25 pKa = 11.84 PQTPNQSFCSNTEE38 pKa = 3.78 CQRR41 pKa = 11.84 EE42 pKa = 4.23 RR43 pKa = 11.84 RR44 pKa = 11.84 RR45 pKa = 11.84 QWQRR49 pKa = 11.84 LKK51 pKa = 11.09 LQADD55 pKa = 3.89 PDD57 pKa = 4.12 YY58 pKa = 11.33 QDD60 pKa = 3.15 NQARR64 pKa = 11.84 AQRR67 pKa = 11.84 AWNKK71 pKa = 10.11 RR72 pKa = 11.84 NPDD75 pKa = 2.79 YY76 pKa = 10.37 WRR78 pKa = 11.84 EE79 pKa = 3.71 YY80 pKa = 9.04 RR81 pKa = 11.84 QSHH84 pKa = 4.83 RR85 pKa = 11.84 QYY87 pKa = 10.87 VEE89 pKa = 3.73 RR90 pKa = 11.84 NRR92 pKa = 11.84 AMQQQRR98 pKa = 11.84 NAKK101 pKa = 9.68 ARR103 pKa = 11.84 VGQVAKK109 pKa = 10.02 MDD111 pKa = 3.63 VSDD114 pKa = 4.26 PLARR118 pKa = 11.84 PPSGFYY124 pKa = 10.36 RR125 pKa = 11.84 LSLIPDD131 pKa = 3.27 NGIAKK136 pKa = 9.46 VDD138 pKa = 3.28 VWTVEE143 pKa = 4.06 IRR145 pKa = 11.84 VHH147 pKa = 5.78 ACKK150 pKa = 10.35 CMRR153 pKa = 11.84 SANIAKK159 pKa = 10.15 RR160 pKa = 3.49
Molecular weight: 19.09 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.355
IPC2_protein 9.619
IPC_protein 10.409
Toseland 10.526
ProMoST 10.379
Dawson 10.657
Bjellqvist 10.394
Wikipedia 10.862
Rodwell 10.833
Grimsley 10.716
Solomon 10.745
Lehninger 10.716
Nozaki 10.555
DTASelect 10.379
Thurlkill 10.54
EMBOSS 10.935
Sillero 10.584
Patrickios 10.526
IPC_peptide 10.76
IPC2_peptide 9.619
IPC2.peptide.svr19 8.57
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
2913
0
2913
933013
29
3992
320.3
35.34
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
10.04 ± 0.05
0.981 ± 0.017
5.251 ± 0.034
6.164 ± 0.042
3.907 ± 0.034
7.78 ± 0.046
2.363 ± 0.023
5.722 ± 0.036
4.209 ± 0.035
10.412 ± 0.06
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.493 ± 0.022
3.437 ± 0.029
4.933 ± 0.033
3.719 ± 0.028
6.459 ± 0.038
6.04 ± 0.037
5.119 ± 0.031
6.922 ± 0.041
1.327 ± 0.02
2.722 ± 0.026
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