Lactococcus phage proPhi4
Average proteome isoelectric point is 6.34
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 49 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|A0A649V2F9|A0A649V2F9_9CAUD Holin OS=Lactococcus phage proPhi4 OX=2656511 PE=4 SV=1
MM1 pKa = 7.34 KK2 pKa = 10.23 RR3 pKa = 11.84 PVEE6 pKa = 3.97 IVQDD10 pKa = 4.02 IIAASDD16 pKa = 3.89 FPHH19 pKa = 7.8 DD20 pKa = 4.81 EE21 pKa = 4.16 IFLDD25 pKa = 4.39 SISSEE30 pKa = 4.14 KK31 pKa = 10.5 LDD33 pKa = 4.06 SSNEE37 pKa = 4.12 TQVLLTEE44 pKa = 4.58 SDD46 pKa = 3.92 NGPSDD51 pKa = 3.55 YY52 pKa = 11.33 GNSDD56 pKa = 5.04 FISLMYY62 pKa = 10.15 GVYY65 pKa = 9.99 IQIFYY70 pKa = 11.34 SNAEE74 pKa = 4.03 DD75 pKa = 3.49 SDD77 pKa = 4.11 INIVQSEE84 pKa = 4.36 INLMKK89 pKa = 10.79 SFINNDD95 pKa = 2.8 WLIAQSKK102 pKa = 7.64 SHH104 pKa = 6.82 YY105 pKa = 9.37 IDD107 pKa = 5.43 PDD109 pKa = 3.18 TGQIIKK115 pKa = 10.36 NLTVQRR121 pKa = 11.84 IMTLSEE127 pKa = 3.84 IANSS131 pKa = 3.58
Molecular weight: 14.77 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.145
IPC2_protein 3.973
IPC_protein 3.935
Toseland 3.732
ProMoST 4.101
Dawson 3.935
Bjellqvist 4.088
Wikipedia 3.872
Rodwell 3.77
Grimsley 3.643
Solomon 3.923
Lehninger 3.872
Nozaki 4.05
DTASelect 4.279
Thurlkill 3.783
EMBOSS 3.884
Sillero 4.062
Patrickios 3.401
IPC_peptide 3.923
IPC2_peptide 4.037
IPC2.peptide.svr19 3.972
Protein with the highest isoelectric point:
>tr|A0A649V2E5|A0A649V2E5_9CAUD Helicase subunit of the DNA excision repair complex OS=Lactococcus phage proPhi4 OX=2656511 PE=4 SV=1
MM1 pKa = 7.7 GSLLLLMRR9 pKa = 11.84 GDD11 pKa = 5.36 AILPMTGRR19 pKa = 11.84 CRR21 pKa = 11.84 EE22 pKa = 4.3 PNCHH26 pKa = 5.93 AVVIRR31 pKa = 11.84 PLHH34 pKa = 5.91 YY35 pKa = 9.15 CTKK38 pKa = 10.35 HH39 pKa = 5.78 ADD41 pKa = 3.25 KK42 pKa = 10.53 EE43 pKa = 4.12 AAYY46 pKa = 9.83 QASRR50 pKa = 11.84 EE51 pKa = 3.88 RR52 pKa = 11.84 WTNRR56 pKa = 11.84 TDD58 pKa = 2.89 NSKK61 pKa = 10.61 RR62 pKa = 11.84 YY63 pKa = 9.85 KK64 pKa = 10.51 DD65 pKa = 3.41 YY66 pKa = 11.27 NKK68 pKa = 10.4 RR69 pKa = 11.84 KK70 pKa = 9.81 RR71 pKa = 11.84 EE72 pKa = 3.76 YY73 pKa = 10.79 SDD75 pKa = 3.68 IKK77 pKa = 10.58 VEE79 pKa = 4.11 QNKK82 pKa = 9.42 FYY84 pKa = 10.67 QSKK87 pKa = 7.19 QWKK90 pKa = 9.1 SIRR93 pKa = 11.84 DD94 pKa = 3.5 VVRR97 pKa = 11.84 RR98 pKa = 11.84 RR99 pKa = 11.84 DD100 pKa = 3.45 NFLCQYY106 pKa = 9.72 CKK108 pKa = 10.03 AHH110 pKa = 5.68 NRR112 pKa = 11.84 VRR114 pKa = 11.84 TGKK117 pKa = 9.76 IVDD120 pKa = 4.34 HH121 pKa = 6.43 IVPVEE126 pKa = 3.65 FDD128 pKa = 4.25 LNGKK132 pKa = 8.03 TIMDD136 pKa = 4.16 NLAFCCSKK144 pKa = 10.58 CHH146 pKa = 5.55 TRR148 pKa = 11.84 KK149 pKa = 8.24 TKK151 pKa = 9.8 WEE153 pKa = 3.82 QIYY156 pKa = 11.02 YY157 pKa = 8.08 GTGYY161 pKa = 10.91 GNKK164 pKa = 8.24 TKK166 pKa = 10.92 NVIPIKK172 pKa = 10.2 NVKK175 pKa = 9.75 DD176 pKa = 3.58 VPDD179 pKa = 3.84 FQKK182 pKa = 11.1 NEE184 pKa = 3.83 RR185 pKa = 3.91
Molecular weight: 21.98 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.156
IPC2_protein 9.121
IPC_protein 9.063
Toseland 9.809
ProMoST 9.575
Dawson 10.028
Bjellqvist 9.75
Wikipedia 10.189
Rodwell 10.438
Grimsley 10.101
Solomon 10.058
Lehninger 10.028
Nozaki 9.926
DTASelect 9.706
Thurlkill 9.882
EMBOSS 10.218
Sillero 9.97
Patrickios 9.604
IPC_peptide 10.058
IPC2_peptide 8.58
IPC2.peptide.svr19 8.006
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
49
0
49
11486
37
1640
234.4
26.18
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.834 ± 0.701
0.548 ± 0.142
6.382 ± 0.306
6.356 ± 0.52
3.935 ± 0.273
6.913 ± 0.533
1.332 ± 0.143
6.852 ± 0.347
8.645 ± 0.596
7.714 ± 0.304
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.438 ± 0.176
6.495 ± 0.356
2.864 ± 0.269
4.371 ± 0.357
3.221 ± 0.3
7.557 ± 0.35
6.982 ± 0.603
5.703 ± 0.246
1.236 ± 0.143
3.604 ± 0.227
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