Leptospirillum ferriphilum (strain ML-04)
Average proteome isoelectric point is 7.12
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 2450 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|J9ZDA2|J9ZDA2_LEPFM Adenine phosphoribosyltransferase OS=Leptospirillum ferriphilum (strain ML-04) OX=1048260 GN=apt PE=3 SV=1
MM1 pKa = 7.6 HH2 pKa = 7.04 EE3 pKa = 4.1 TFKK6 pKa = 11.18 FLFSCRR12 pKa = 11.84 YY13 pKa = 9.76 ASVLLSLFALLASGGCNGDD32 pKa = 3.58 NLDD35 pKa = 4.45 FPSQGGPSATLLQGVAFDD53 pKa = 4.69 GPILQGTVSLEE64 pKa = 3.83 QYY66 pKa = 10.0 PPGSGVLASGTTDD79 pKa = 3.11 QNGNFSFTAPMLDD92 pKa = 3.22 STAVYY97 pKa = 10.55 VLTVSSGKK105 pKa = 8.2 TLDD108 pKa = 3.74 LATGNTLNLTQGDD121 pKa = 3.8 QLMAIGTGQDD131 pKa = 3.43 FSGGSLSITPFTSLEE146 pKa = 3.86 ASLAEE151 pKa = 3.95 HH152 pKa = 7.46 FINQGIAMSDD162 pKa = 3.56 ALRR165 pKa = 11.84 QSDD168 pKa = 4.53 DD169 pKa = 3.11 LWSGYY174 pKa = 10.95 LGFDD178 pKa = 3.68 PLKK181 pKa = 10.21 TPVANPTLGPTQANSAGLYY200 pKa = 10.24 GIALAGLSQMAYY212 pKa = 10.7 NIGQTQSLSPGTTNTFGLLIQLQSDD237 pKa = 4.11 LSDD240 pKa = 4.37 GIFNGLQQGSSTPLSYY256 pKa = 10.85 YY257 pKa = 10.54 GYY259 pKa = 10.49 SLTSDD264 pKa = 3.59 TLRR267 pKa = 11.84 KK268 pKa = 9.73 NLAAGILEE276 pKa = 4.35 FLWNTQNKK284 pKa = 10.01 SGLTPLTIDD293 pKa = 4.15 GFANSLALNTSSLFSEE309 pKa = 4.96 TPGASAPDD317 pKa = 3.85 PSAPTISVVSPVVGQYY333 pKa = 10.79 YY334 pKa = 10.4 RR335 pKa = 11.84 GTLTIMASASDD346 pKa = 3.83 DD347 pKa = 3.84 LGIGSFLTTSPNLPLSGGSLDD368 pKa = 3.96 QNPLTTSFNTTSVADD383 pKa = 3.91 GSYY386 pKa = 11.1 NLVFTATDD394 pKa = 3.95 YY395 pKa = 11.5 AGHH398 pKa = 6.5 TASQDD403 pKa = 3.4 VQFSVDD409 pKa = 3.61 NTPPTISNLSPTNDD423 pKa = 3.12 QTLTFCAGITEE434 pKa = 4.68 SVTVTGTLTDD444 pKa = 3.6 MGSGPNSVGVSEE456 pKa = 4.64 IAPTATQLTSSFTISSTNSTTGSFQFTFTVPADD489 pKa = 3.49 GCKK492 pKa = 10.03 SVTYY496 pKa = 10.32 SFSLTGYY503 pKa = 10.6 DD504 pKa = 3.46 NLFNSSTIPYY514 pKa = 10.12 SLTIEE519 pKa = 4.13 NN520 pKa = 3.9
Molecular weight: 53.88 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.813
IPC2_protein 3.681
IPC_protein 3.719
Toseland 3.478
ProMoST 3.91
Dawson 3.732
Bjellqvist 3.884
Wikipedia 3.694
Rodwell 3.541
Grimsley 3.389
Solomon 3.719
Lehninger 3.681
Nozaki 3.846
DTASelect 4.139
Thurlkill 3.554
EMBOSS 3.706
Sillero 3.846
Patrickios 0.197
IPC_peptide 3.719
IPC2_peptide 3.821
IPC2.peptide.svr19 3.752
Protein with the highest isoelectric point:
>tr|J9Z7F9|J9Z7F9_LEPFM Flagellar biosynthetic protein FliQ OS=Leptospirillum ferriphilum (strain ML-04) OX=1048260 GN=fliQ PE=3 SV=1
MM1 pKa = 7.44 RR2 pKa = 11.84 HH3 pKa = 6.11 APLLLITIYY12 pKa = 10.73 RR13 pKa = 11.84 SGQTPAPDD21 pKa = 3.5 SNRR24 pKa = 11.84 RR25 pKa = 11.84 ASFFFSVCVRR35 pKa = 11.84 FPGGVNDD42 pKa = 4.19 NSSTPAQRR50 pKa = 11.84 GQLVRR55 pKa = 11.84 LDD57 pKa = 3.4 RR58 pKa = 11.84 KK59 pKa = 9.72 GVQKK63 pKa = 10.41 IVEE66 pKa = 4.34 NGDD69 pKa = 3.53 RR70 pKa = 11.84 MHH72 pKa = 6.87 LQQASLHH79 pKa = 6.95 PDD81 pKa = 3.47 TAWTSEE87 pKa = 3.84 HH88 pKa = 6.23 SSEE91 pKa = 4.37 RR92 pKa = 11.84 FCEE95 pKa = 4.26 TEE97 pKa = 3.45 PAFAVVVSPDD107 pKa = 2.97 VGGIRR112 pKa = 11.84 KK113 pKa = 9.16 PEE115 pKa = 4.02 TVRR118 pKa = 11.84 KK119 pKa = 9.98 VLFHH123 pKa = 4.76 VRR125 pKa = 11.84 KK126 pKa = 9.66 RR127 pKa = 11.84 RR128 pKa = 11.84 AHH130 pKa = 5.94 GEE132 pKa = 3.79 QGRR135 pKa = 11.84 SRR137 pKa = 11.84 GGIAPPGLVLFSGDD151 pKa = 2.73 HH152 pKa = 6.63 RR153 pKa = 11.84 YY154 pKa = 9.63
Molecular weight: 17.15 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.351
IPC2_protein 9.502
IPC_protein 10.438
Toseland 10.716
ProMoST 10.526
Dawson 10.789
Bjellqvist 10.54
Wikipedia 11.038
Rodwell 10.862
Grimsley 10.833
Solomon 10.979
Lehninger 10.935
Nozaki 10.716
DTASelect 10.54
Thurlkill 10.716
EMBOSS 11.14
Sillero 10.73
Patrickios 10.613
IPC_peptide 10.979
IPC2_peptide 9.721
IPC2.peptide.svr19 8.708
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
2450
0
2450
716377
37
1718
292.4
32.51
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.355 ± 0.05
0.793 ± 0.018
4.969 ± 0.032
6.501 ± 0.061
4.555 ± 0.039
8.148 ± 0.047
2.226 ± 0.022
5.558 ± 0.04
4.467 ± 0.043
11.135 ± 0.061
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.395 ± 0.025
2.896 ± 0.034
5.749 ± 0.035
3.041 ± 0.026
7.292 ± 0.052
7.2 ± 0.044
4.999 ± 0.032
7.022 ± 0.047
1.296 ± 0.022
2.404 ± 0.028
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