Sphaerochaeta pleomorpha (strain ATCC BAA-1885 / DSM 22778 / Grapes)
Average proteome isoelectric point is 6.29
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 3150 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|G8QTW7|G8QTW7_SPHPG Adenylosuccinate synthetase OS=Sphaerochaeta pleomorpha (strain ATCC BAA-1885 / DSM 22778 / Grapes) OX=158190 GN=purA PE=3 SV=1
MM1 pKa = 7.45 KK2 pKa = 10.4 KK3 pKa = 10.27 KK4 pKa = 9.79 IALVMIVVMMVLFFTGCEE22 pKa = 3.72 QQIPITEE29 pKa = 3.99 ILSTVKK35 pKa = 10.57 GYY37 pKa = 10.19 SEE39 pKa = 5.47 EE40 pKa = 3.92 ILAMVASEE48 pKa = 4.8 VEE50 pKa = 4.1 TSLPDD55 pKa = 3.53 SFTDD59 pKa = 3.52 DD60 pKa = 3.21 TLIAIDD66 pKa = 3.74 TGISCRR72 pKa = 11.84 VSNTYY77 pKa = 9.48 TNEE80 pKa = 4.44 LILDD84 pKa = 3.52 ITLNNWVASDD94 pKa = 3.63 GTVISGSIEE103 pKa = 3.6 MDD105 pKa = 3.67 LVYY108 pKa = 10.76 DD109 pKa = 4.11 ADD111 pKa = 3.53 STYY114 pKa = 10.29 IYY116 pKa = 9.88 SIQSIVLMNYY126 pKa = 10.39 DD127 pKa = 3.47 LTSVYY132 pKa = 10.36 FGEE135 pKa = 4.42 EE136 pKa = 4.1 VFDD139 pKa = 3.96 NTPEE143 pKa = 3.85 TAAFTFDD150 pKa = 3.46 NATFQCLALSVDD162 pKa = 4.25 GKK164 pKa = 10.03 PLISNQLWLSLLTRR178 pKa = 11.84 KK179 pKa = 9.53
Molecular weight: 19.85 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.722
IPC2_protein 3.834
IPC_protein 3.795
Toseland 3.592
ProMoST 3.961
Dawson 3.783
Bjellqvist 3.935
Wikipedia 3.706
Rodwell 3.63
Grimsley 3.503
Solomon 3.77
Lehninger 3.732
Nozaki 3.91
DTASelect 4.101
Thurlkill 3.643
EMBOSS 3.719
Sillero 3.923
Patrickios 0.947
IPC_peptide 3.77
IPC2_peptide 3.897
IPC2.peptide.svr19 3.823
Protein with the highest isoelectric point:
>tr|G8QQ36|G8QQ36_SPHPG Formyltetrahydrofolate deformylase OS=Sphaerochaeta pleomorpha (strain ATCC BAA-1885 / DSM 22778 / Grapes) OX=158190 GN=purU PE=3 SV=1
MM1 pKa = 6.35 QTNTSARR8 pKa = 11.84 RR9 pKa = 11.84 GLLPALFIIPLLFFGLGFISILSALSAFVCMALPFILLAKK49 pKa = 9.87 NKK51 pKa = 10.0 RR52 pKa = 11.84 KK53 pKa = 7.31 TWCHH57 pKa = 5.94 TYY59 pKa = 10.36 CPRR62 pKa = 11.84 ASLLQQTGKK71 pKa = 10.42 KK72 pKa = 8.43 GNKK75 pKa = 7.98 MKK77 pKa = 10.35 QAPRR81 pKa = 11.84 QFTDD85 pKa = 3.65 GSLRR89 pKa = 11.84 KK90 pKa = 9.37 ILLWYY95 pKa = 10.36 FGLNLLFITGSTVRR109 pKa = 11.84 IALGQMEE116 pKa = 4.82 SMAFIRR122 pKa = 11.84 LFIFLPLFPLPQLLDD137 pKa = 3.12 IAAPPFLIHH146 pKa = 6.86 LSYY149 pKa = 11.08 RR150 pKa = 11.84 LYY152 pKa = 11.77 SMMLSSTILGVAFALIWRR170 pKa = 11.84 NRR172 pKa = 11.84 LWCAVCPVGNLSNKK186 pKa = 9.65 ILGIKK191 pKa = 8.99 NN192 pKa = 3.24
Molecular weight: 21.63 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.33
IPC2_protein 9.926
IPC_protein 10.672
Toseland 10.906
ProMoST 10.57
Dawson 10.979
Bjellqvist 10.687
Wikipedia 11.184
Rodwell 11.316
Grimsley 11.023
Solomon 11.096
Lehninger 11.067
Nozaki 10.891
DTASelect 10.672
Thurlkill 10.891
EMBOSS 11.301
Sillero 10.921
Patrickios 11.038
IPC_peptide 11.111
IPC2_peptide 9.867
IPC2.peptide.svr19 8.336
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
3150
0
3150
1068925
29
2489
339.3
37.72
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
7.632 ± 0.047
1.388 ± 0.019
5.124 ± 0.032
6.162 ± 0.041
4.817 ± 0.03
7.195 ± 0.041
1.787 ± 0.018
7.125 ± 0.037
6.043 ± 0.03
10.465 ± 0.05
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.769 ± 0.02
3.972 ± 0.025
3.83 ± 0.023
3.467 ± 0.024
4.184 ± 0.029
7.074 ± 0.037
5.566 ± 0.034
6.871 ± 0.036
1.021 ± 0.015
3.508 ± 0.025
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