Lactobacillus phage phiLdb
Average proteome isoelectric point is 6.1
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 59 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|U3PCR3|U3PCR3_9CAUD Putative ParB nuclease OS=Lactobacillus phage phiLdb OX=1399942 GN=phiLdb_0001 PE=4 SV=1
MM1 pKa = 7.34 TKK3 pKa = 9.99 IITAQKK9 pKa = 10.1 IDD11 pKa = 3.74 DD12 pKa = 4.31 NNYY15 pKa = 9.81 EE16 pKa = 4.26 LYY18 pKa = 11.16 LNGWLGDD25 pKa = 3.59 QLYY28 pKa = 10.3 EE29 pKa = 3.85 DD30 pKa = 4.69 TYY32 pKa = 11.45 FGGLVFKK39 pKa = 10.84 FGTWVLVQNTYY50 pKa = 10.76 QGTNEE55 pKa = 4.2 EE56 pKa = 4.19 IDD58 pKa = 3.95 YY59 pKa = 8.58 QTDD62 pKa = 3.54 DD63 pKa = 4.21 LDD65 pKa = 4.01 EE66 pKa = 4.3 VLWTIDD72 pKa = 4.5 CEE74 pKa = 5.79 VMDD77 pKa = 5.11 CDD79 pKa = 4.08 NLEE82 pKa = 4.08 VFNDD86 pKa = 3.86 FLDD89 pKa = 4.02 LQQ91 pKa = 4.07
Molecular weight: 10.74 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 4.101
IPC2_protein 3.338
IPC_protein 3.3
Toseland 3.096
ProMoST 3.516
Dawson 3.325
Bjellqvist 3.49
Wikipedia 3.312
Rodwell 3.147
Grimsley 3.02
Solomon 3.274
Lehninger 3.236
Nozaki 3.465
DTASelect 3.681
Thurlkill 3.185
EMBOSS 3.312
Sillero 3.439
Patrickios 0.006
IPC_peptide 3.274
IPC2_peptide 3.401
IPC2.peptide.svr19 3.641
Protein with the highest isoelectric point:
>tr|U3PDU2|U3PDU2_9CAUD Putative DNA replication protein OS=Lactobacillus phage phiLdb OX=1399942 GN=phiLdb_00039 PE=4 SV=1
MM1 pKa = 7.41 KK2 pKa = 10.5 FIIEE6 pKa = 4.04 GRR8 pKa = 11.84 LDD10 pKa = 3.57 GLNTYY15 pKa = 9.14 TGACRR20 pKa = 11.84 ANRR23 pKa = 11.84 YY24 pKa = 7.54 GANAMKK30 pKa = 10.23 RR31 pKa = 11.84 KK32 pKa = 10.13 NEE34 pKa = 3.81 AKK36 pKa = 10.23 VIEE39 pKa = 4.93 GIKK42 pKa = 10.25 RR43 pKa = 11.84 AGLKK47 pKa = 10.1 KK48 pKa = 10.27 VEE50 pKa = 4.5 EE51 pKa = 4.57 YY52 pKa = 10.45 PLTLHH57 pKa = 6.42 IVWYY61 pKa = 9.28 EE62 pKa = 3.58 PNKK65 pKa = 10.52 RR66 pKa = 11.84 RR67 pKa = 11.84 DD68 pKa = 3.02 IDD70 pKa = 4.05 NITFATKK77 pKa = 10.13 FIQDD81 pKa = 3.86 ALVKK85 pKa = 10.68 SGILDD90 pKa = 4.32 DD91 pKa = 5.85 DD92 pKa = 3.88 SQKK95 pKa = 11.2 YY96 pKa = 9.12 IVGLSHH102 pKa = 6.56 QVTVDD107 pKa = 3.18 RR108 pKa = 11.84 KK109 pKa = 8.42 NPRR112 pKa = 11.84 IEE114 pKa = 3.9 VEE116 pKa = 3.95 LRR118 pKa = 11.84 KK119 pKa = 10.27 AEE121 pKa = 4.0
Molecular weight: 13.91 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.019
IPC2_protein 8.843
IPC_protein 8.799
Toseland 9.604
ProMoST 9.282
Dawson 9.823
Bjellqvist 9.487
Wikipedia 9.97
Rodwell 10.204
Grimsley 9.882
Solomon 9.867
Lehninger 9.838
Nozaki 9.619
DTASelect 9.472
Thurlkill 9.663
EMBOSS 10.014
Sillero 9.736
Patrickios 7.644
IPC_peptide 9.867
IPC2_peptide 7.98
IPC2.peptide.svr19 7.96
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
59
0
59
10445
44
968
177.0
20.02
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.625 ± 0.624
0.986 ± 0.145
6.932 ± 0.405
7.238 ± 0.494
3.791 ± 0.18
6.415 ± 0.346
1.379 ± 0.184
7.046 ± 0.289
8.722 ± 0.386
7.659 ± 0.226
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.614 ± 0.181
6.596 ± 0.244
2.298 ± 0.144
3.293 ± 0.258
4.088 ± 0.256
6.242 ± 0.285
5.84 ± 0.314
6.778 ± 0.233
1.053 ± 0.106
4.404 ± 0.307
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