Ignisphaera aggregans (strain DSM 17230 / JCM 13409 / AQ1.S1)
Average proteome isoelectric point is 6.88
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 1929 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|E0SS57|E0SS57_IGNAA Tryptophan synthase OS=Ignisphaera aggregans (strain DSM 17230 / JCM 13409 / AQ1.S1) OX=583356 GN=Igag_1717 PE=3 SV=1
MM1 pKa = 7.26 NRR3 pKa = 11.84 RR4 pKa = 11.84 LISFSLILLTLLTVATLAMWSEE26 pKa = 4.17 TLRR29 pKa = 11.84 VNVAVGTGEE38 pKa = 3.99 VDD40 pKa = 3.1 WEE42 pKa = 4.43 IVSGPTTWLDD52 pKa = 3.31 ACGLQPGYY60 pKa = 11.17 GYY62 pKa = 10.83 FRR64 pKa = 11.84 GNDD67 pKa = 3.08 WNASYY72 pKa = 10.71 LPEE75 pKa = 5.18 PGADD79 pKa = 3.44 QLDD82 pKa = 4.07 KK83 pKa = 11.45 DD84 pKa = 4.36 VGCTDD89 pKa = 3.02 VTLIDD94 pKa = 3.7 SDD96 pKa = 4.2 GDD98 pKa = 3.47 GDD100 pKa = 4.6 YY101 pKa = 10.7 DD102 pKa = 3.82 TMRR105 pKa = 11.84 VTLYY109 pKa = 10.77 NVYY112 pKa = 9.24 PWYY115 pKa = 8.59 YY116 pKa = 7.8 THH118 pKa = 7.88 IAFKK122 pKa = 10.28 VHH124 pKa = 6.79 NDD126 pKa = 2.86 GTIPIKK132 pKa = 9.59 IWRR135 pKa = 11.84 IIIDD139 pKa = 3.36 NQEE142 pKa = 4.02 FYY144 pKa = 11.17 EE145 pKa = 5.34 LNAQPLKK152 pKa = 10.77 EE153 pKa = 4.08 GLYY156 pKa = 10.7 LDD158 pKa = 3.86 LTGDD162 pKa = 3.76 GKK164 pKa = 11.41 SDD166 pKa = 3.46 VLIWWGDD173 pKa = 3.38 NFGVQLHH180 pKa = 6.9 PCQSADD186 pKa = 2.93 ISLDD190 pKa = 3.11 ITVLQDD196 pKa = 3.27 APQGSTLSFTVSFEE210 pKa = 4.32 AIQWNEE216 pKa = 3.82 YY217 pKa = 9.36 YY218 pKa = 10.86 VPSS221 pKa = 4.03
Molecular weight: 24.88 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.807
IPC2_protein 3.961
IPC_protein 3.961
Toseland 3.745
ProMoST 4.139
Dawson 3.961
Bjellqvist 4.113
Wikipedia 3.91
Rodwell 3.795
Grimsley 3.656
Solomon 3.961
Lehninger 3.91
Nozaki 4.075
DTASelect 4.342
Thurlkill 3.795
EMBOSS 3.923
Sillero 4.088
Patrickios 0.693
IPC_peptide 3.948
IPC2_peptide 4.062
IPC2.peptide.svr19 3.961
Protein with the highest isoelectric point:
>sp|E0SQX5|RRP4_IGNAA Exosome complex component Rrp4 OS=Ignisphaera aggregans (strain DSM 17230 / JCM 13409 / AQ1.S1) OX=583356 GN=rrp4 PE=3 SV=1
MM1 pKa = 7.72 VSLLRR6 pKa = 11.84 CNDD9 pKa = 2.81 NVIRR13 pKa = 11.84 VGKK16 pKa = 9.13 KK17 pKa = 8.41 FYY19 pKa = 9.64 MRR21 pKa = 11.84 YY22 pKa = 8.73 VAAILYY28 pKa = 8.96 KK29 pKa = 10.58 RR30 pKa = 11.84 NIEE33 pKa = 4.03 KK34 pKa = 10.55 CSTIMLRR41 pKa = 11.84 ALGRR45 pKa = 11.84 NISRR49 pKa = 11.84 AISIATAAMFLDD61 pKa = 3.57 SSLYY65 pKa = 9.68 PSEE68 pKa = 4.68 ARR70 pKa = 11.84 IFSIFLSSGGRR81 pKa = 11.84 EE82 pKa = 3.9 LRR84 pKa = 11.84 KK85 pKa = 10.27 SGIEE89 pKa = 3.54 LVLRR93 pKa = 11.84 VRR95 pKa = 11.84 DD96 pKa = 5.11 FIPP99 pKa = 3.84
Molecular weight: 11.26 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.342
IPC2_protein 9.765
IPC_protein 10.613
Toseland 10.599
ProMoST 10.35
Dawson 10.73
Bjellqvist 10.467
Wikipedia 10.965
Rodwell 10.921
Grimsley 10.789
Solomon 10.833
Lehninger 10.804
Nozaki 10.599
DTASelect 10.467
Thurlkill 10.613
EMBOSS 11.008
Sillero 10.657
Patrickios 10.657
IPC_peptide 10.833
IPC2_peptide 9.589
IPC2.peptide.svr19 8.46
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
1929
0
1929
537386
30
1967
278.6
31.59
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.054 ± 0.052
0.913 ± 0.018
5.195 ± 0.039
6.773 ± 0.069
3.609 ± 0.036
6.198 ± 0.052
1.469 ± 0.024
11.464 ± 0.07
5.914 ± 0.056
9.753 ± 0.063
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.366 ± 0.023
3.955 ± 0.038
3.968 ± 0.04
1.733 ± 0.027
6.302 ± 0.05
6.613 ± 0.049
4.542 ± 0.056
7.367 ± 0.052
1.05 ± 0.023
4.762 ± 0.043
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