Psychroflexus sediminis
Average proteome isoelectric point is 6.27
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 2655 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|A0A1G7XD03|A0A1G7XD03_9FLAO mRNA interferase HigB OS=Psychroflexus sediminis OX=470826 GN=SAMN04488027_10833 PE=4 SV=1
MM1 pKa = 6.91 KK2 pKa = 10.22 QIYY5 pKa = 9.91 SLLILFIVSLSYY17 pKa = 11.04 GQVINPGTTSANIVSNSAPNITCPEE42 pKa = 4.58 EE43 pKa = 3.83 ITTTATSPIVNFNNPTLTDD62 pKa = 3.5 NEE64 pKa = 4.27 TTAFPFVSSDD74 pKa = 3.05 MTYY77 pKa = 10.15 IGSNGGKK84 pKa = 9.57 NFFISEE90 pKa = 4.05 QSFSGANAFADD101 pKa = 5.0 AIARR105 pKa = 11.84 GGLVATISDD114 pKa = 3.54 ATQNTFIANALQANNITEE132 pKa = 3.98 AHH134 pKa = 6.32 IGYY137 pKa = 9.75 SDD139 pKa = 3.74 AASEE143 pKa = 5.24 GNFVWQDD150 pKa = 3.09 GSTSGYY156 pKa = 10.16 EE157 pKa = 3.48 NWQPNEE163 pKa = 4.09 PNDD166 pKa = 3.69 TDD168 pKa = 3.59 GGEE171 pKa = 4.35 DD172 pKa = 4.04 YY173 pKa = 10.67 VTISAGGGWNDD184 pKa = 2.87 VGARR188 pKa = 11.84 GTGNARR194 pKa = 11.84 YY195 pKa = 9.32 IFQLDD200 pKa = 3.39 QTDD203 pKa = 3.43 GFLIQTSGLASGSSFPIGTTTNTFEE228 pKa = 5.75 AYY230 pKa = 9.23 DD231 pKa = 3.5 ASGNSSICSFNVTVTDD247 pKa = 3.24 IPEE250 pKa = 4.13 VVTQNIDD257 pKa = 3.32 VVLDD261 pKa = 3.41 ATGNATISPEE271 pKa = 4.14 EE272 pKa = 4.03 IDD274 pKa = 3.64 NGSTAVSGILGLSLDD289 pKa = 4.48 ILNFDD294 pKa = 4.63 CSNLGEE300 pKa = 4.26 NTVTLTVISNTVEE313 pKa = 4.2 TATGTAIVTVRR324 pKa = 11.84 DD325 pKa = 3.76 TTAPTVVTQDD335 pKa = 2.82 ITVEE339 pKa = 3.96 LDD341 pKa = 3.05 ASGEE345 pKa = 4.17 AIITADD351 pKa = 4.04 QIDD354 pKa = 4.31 NGSADD359 pKa = 3.42 NCGIASLDD367 pKa = 3.58 LSRR370 pKa = 11.84 TNFNGFDD377 pKa = 3.01 IGQNTVEE384 pKa = 4.59 LKK386 pKa = 9.63 VTDD389 pKa = 3.49 SSGNQSAGTATVTIVDD405 pKa = 4.1 TTPPNAVCSNQTIFLDD421 pKa = 3.75 EE422 pKa = 4.75 SGNASISASDD432 pKa = 3.59 VDD434 pKa = 5.41 GGSSDD439 pKa = 3.71 NASAAYY445 pKa = 9.39 IPLLNYY451 pKa = 10.11 EE452 pKa = 4.61 PIEE455 pKa = 4.36 TGSGINASEE464 pKa = 4.42 FEE466 pKa = 4.26 FVAQVVTIPQPISDD480 pKa = 3.88 FRR482 pKa = 11.84 IKK484 pKa = 10.96 LEE486 pKa = 4.29 LATCKK491 pKa = 10.91 SNGLTGATLDD501 pKa = 3.85 IVEE504 pKa = 5.53 LDD506 pKa = 3.89 PSGHH510 pKa = 7.1 PDD512 pKa = 3.13 LSLVLGSSSVPEE524 pKa = 3.7 SDD526 pKa = 2.84 IYY528 pKa = 11.15 GWPGCVSGSFGLTTFDD544 pKa = 4.1 FSGVDD549 pKa = 3.6 LQQGNQYY556 pKa = 11.66 ALVLKK561 pKa = 10.32 NSEE564 pKa = 4.11 GARR567 pKa = 11.84 GSVSWNRR574 pKa = 11.84 SAIPTDD580 pKa = 3.48 PSNPYY585 pKa = 9.82 QGGNIWTYY593 pKa = 8.8 EE594 pKa = 4.02 NYY596 pKa = 10.11 RR597 pKa = 11.84 SRR599 pKa = 11.84 LLSDD603 pKa = 3.44 EE604 pKa = 4.12 VWRR607 pKa = 11.84 EE608 pKa = 4.0 DD609 pKa = 3.59 EE610 pKa = 4.11 THH612 pKa = 7.14 DD613 pKa = 3.52 LHH615 pKa = 8.5 FSIEE619 pKa = 3.99 ALQEE623 pKa = 4.16 DD624 pKa = 4.74 LTYY627 pKa = 10.92 SIDD630 pKa = 3.74 QDD632 pKa = 4.74 SFDD635 pKa = 4.28 CSNLGVNTVSLTVTDD650 pKa = 4.11 ASGNTSSCISEE661 pKa = 3.97 VTVIDD666 pKa = 3.64 NLAPTVVTQDD676 pKa = 2.82 ITVEE680 pKa = 3.79 LDD682 pKa = 3.21 ANGEE686 pKa = 4.07 AGITADD692 pKa = 4.51 QIDD695 pKa = 4.45 NGTSDD700 pKa = 3.67 NCSSISGYY708 pKa = 10.31 CIEE711 pKa = 4.6 GMTYY715 pKa = 10.71 GNAEE719 pKa = 3.93 IFIEE723 pKa = 4.56 GAGMGRR729 pKa = 11.84 VDD731 pKa = 4.84 FSAGLVSASSGGVPMEE747 pKa = 4.5 LVPITTIDD755 pKa = 3.46 SKK757 pKa = 11.41 VRR759 pKa = 11.84 SGDD762 pKa = 3.46 LVHH765 pKa = 7.17 ARR767 pKa = 11.84 STLSTGSRR775 pKa = 11.84 PSGEE779 pKa = 4.24 SIFYY783 pKa = 10.0 RR784 pKa = 11.84 VSDD787 pKa = 3.99 GRR789 pKa = 11.84 IIWGGHH795 pKa = 4.58 SPSGSFANRR804 pKa = 11.84 TQLVIEE810 pKa = 4.3 QPNVATGEE818 pKa = 4.46 LIDD821 pKa = 4.55 FSKK824 pKa = 10.68 PYY826 pKa = 10.3 NLKK829 pKa = 9.25 FQLNGRR835 pKa = 11.84 YY836 pKa = 9.12 LSQSGGSFTSVSSPADD852 pKa = 3.06 ISAVLISGDD861 pKa = 3.7 LGATNNCLLTTSLDD875 pKa = 3.34 ATTFDD880 pKa = 5.04 CSNLGDD886 pKa = 3.91 NEE888 pKa = 4.18 VTLTVTDD895 pKa = 4.41 GSGNSSSATAIVTVIDD911 pKa = 4.51 NIAPTIVLKK920 pKa = 10.96 DD921 pKa = 3.33 VTVEE925 pKa = 3.89 LNAEE929 pKa = 4.14 GTVSVEE935 pKa = 4.59 ASAFDD940 pKa = 3.53 NGSFDD945 pKa = 3.41 NCGEE949 pKa = 4.31 VTFSTNLVEE958 pKa = 5.04 ILSCGALGLNEE969 pKa = 4.07 VTVTVTDD976 pKa = 3.69 ASGNQSQNTAILTVLDD992 pKa = 4.08 NLSPAVVTQDD1002 pKa = 3.11 FTVVLNANGEE1012 pKa = 4.21 ATITAAQVDD1021 pKa = 4.2 NGSADD1026 pKa = 3.33 NCGVDD1031 pKa = 4.04 TLALDD1036 pKa = 3.5 ITTFDD1041 pKa = 4.27 CSNLGEE1047 pKa = 4.23 NTVTLTATDD1056 pKa = 4.1 GSGKK1060 pKa = 9.72 QATATAIVTVVDD1072 pKa = 3.65 NSLPTAVAQNLTVEE1086 pKa = 4.18 LDD1088 pKa = 3.53 EE1089 pKa = 5.56 FGAASITAAQVDD1101 pKa = 4.03 NGSSDD1106 pKa = 3.33 NCGVEE1111 pKa = 4.31 TLALDD1116 pKa = 3.77 VTSFDD1121 pKa = 4.49 CSNLGEE1127 pKa = 4.3 NTVTLRR1133 pKa = 11.84 VTDD1136 pKa = 4.12 GSGNQATSTAVITVIDD1152 pKa = 4.21 ALAPALVTADD1162 pKa = 3.13 ITVSLDD1168 pKa = 3.21 EE1169 pKa = 4.52 NATVSIEE1176 pKa = 3.91 PGNLVDD1182 pKa = 4.64 TLEE1185 pKa = 5.03 DD1186 pKa = 3.52 NCSLAGEE1193 pKa = 4.25 ITLALDD1199 pKa = 3.17 QDD1201 pKa = 4.2 TFTATGIYY1209 pKa = 9.25 VVNITATDD1217 pKa = 3.41 ASGNTTTEE1225 pKa = 4.17 SAEE1228 pKa = 4.08 VTVDD1232 pKa = 3.2 STLSIDD1238 pKa = 4.4 QVDD1241 pKa = 3.46 SDD1243 pKa = 4.5 IQVKK1247 pKa = 10.01 LYY1249 pKa = 9.6 PNPTTDD1255 pKa = 3.02 HH1256 pKa = 6.76 LFFEE1260 pKa = 4.9 VSNTEE1265 pKa = 4.45 LIHH1268 pKa = 5.15 ITIYY1272 pKa = 11.35 DD1273 pKa = 3.72 MNGKK1277 pKa = 8.77 LVKK1280 pKa = 9.85 TSQEE1284 pKa = 3.94 SHH1286 pKa = 6.22 SVDD1289 pKa = 3.36 VTNLSSGVYY1298 pKa = 8.62 FAKK1301 pKa = 10.51 VDD1303 pKa = 3.66 AKK1305 pKa = 11.0 GGNTLKK1311 pKa = 10.57 ILRR1314 pKa = 11.84 FIKK1317 pKa = 10.44 KK1318 pKa = 9.73
Molecular weight: 137.22 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.699
IPC2_protein 3.617
IPC_protein 3.668
Toseland 3.439
ProMoST 3.821
Dawson 3.656
Bjellqvist 3.808
Wikipedia 3.592
Rodwell 3.49
Grimsley 3.338
Solomon 3.656
Lehninger 3.617
Nozaki 3.757
DTASelect 4.024
Thurlkill 3.478
EMBOSS 3.592
Sillero 3.783
Patrickios 1.087
IPC_peptide 3.656
IPC2_peptide 3.757
IPC2.peptide.svr19 3.72
Protein with the highest isoelectric point:
>tr|A0A1G7XSZ8|A0A1G7XSZ8_9FLAO Peptide methionine sulfoxide reductase MsrA OS=Psychroflexus sediminis OX=470826 GN=msrA PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 9.61 RR3 pKa = 11.84 TFQPSNKK10 pKa = 8.92 KK11 pKa = 9.95 RR12 pKa = 11.84 KK13 pKa = 8.04 NKK15 pKa = 9.86 HH16 pKa = 4.03 GFRR19 pKa = 11.84 EE20 pKa = 4.19 RR21 pKa = 11.84 MSSVSGRR28 pKa = 11.84 KK29 pKa = 7.69 VLKK32 pKa = 10.02 RR33 pKa = 11.84 RR34 pKa = 11.84 RR35 pKa = 11.84 AKK37 pKa = 10.1 GRR39 pKa = 11.84 KK40 pKa = 7.97 KK41 pKa = 10.65 LSVSSEE47 pKa = 3.37 MSLRR51 pKa = 11.84 KK52 pKa = 9.51 RR53 pKa = 3.5
Molecular weight: 6.36 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.331
IPC2_protein 10.716
IPC_protein 12.266
Toseland 12.442
ProMoST 12.939
Dawson 12.457
Bjellqvist 12.427
Wikipedia 12.91
Rodwell 12.296
Grimsley 12.486
Solomon 12.939
Lehninger 12.837
Nozaki 12.442
DTASelect 12.427
Thurlkill 12.442
EMBOSS 12.939
Sillero 12.442
Patrickios 12.018
IPC_peptide 12.939
IPC2_peptide 11.915
IPC2.peptide.svr19 9.051
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
2655
0
2655
886846
40
2412
334.0
37.77
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.252 ± 0.042
0.643 ± 0.013
5.76 ± 0.035
7.271 ± 0.043
5.414 ± 0.039
6.281 ± 0.044
1.851 ± 0.023
7.59 ± 0.047
7.56 ± 0.058
9.719 ± 0.052
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.193 ± 0.023
5.458 ± 0.051
3.407 ± 0.027
3.639 ± 0.027
3.656 ± 0.031
6.959 ± 0.042
5.343 ± 0.039
6.086 ± 0.038
1.016 ± 0.017
3.901 ± 0.031
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