Pneumocystis jirovecii (strain SE8) (Human pneumocystis pneumonia agent)
Average proteome isoelectric point is 6.98
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 3419 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|L0P9B4|L0P9B4_PNEJ8 Uncharacterized protein OS=Pneumocystis jirovecii (strain SE8) OX=1209962 GN=PNEJI1_002589 PE=3 SV=1
MM1 pKa = 7.43 SFYY4 pKa = 11.25 DD5 pKa = 4.0 EE6 pKa = 5.34 IEE8 pKa = 4.56 IEE10 pKa = 5.03 DD11 pKa = 3.75 FTFDD15 pKa = 3.35 TEE17 pKa = 4.2 LQIYY21 pKa = 8.98 HH22 pKa = 5.9 YY23 pKa = 9.19 PCPCGDD29 pKa = 3.35 RR30 pKa = 11.84 FEE32 pKa = 5.82 ISLNDD37 pKa = 3.47 LRR39 pKa = 11.84 KK40 pKa = 9.65 GDD42 pKa = 4.37 EE43 pKa = 3.73 IAYY46 pKa = 9.97 CPSCSLMVRR55 pKa = 11.84 VIYY58 pKa = 10.58 DD59 pKa = 3.06 QDD61 pKa = 3.41 KK62 pKa = 10.55 FLEE65 pKa = 4.34 NDD67 pKa = 4.14 DD68 pKa = 4.82 EE69 pKa = 5.89 ISLQSAPVIVVV80 pKa = 3.47
Molecular weight: 9.35 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.813
IPC2_protein 3.846
IPC_protein 3.795
Toseland 3.592
ProMoST 3.961
Dawson 3.783
Bjellqvist 3.948
Wikipedia 3.719
Rodwell 3.63
Grimsley 3.503
Solomon 3.77
Lehninger 3.719
Nozaki 3.91
DTASelect 4.113
Thurlkill 3.656
EMBOSS 3.732
Sillero 3.91
Patrickios 0.362
IPC_peptide 3.757
IPC2_peptide 3.884
IPC2.peptide.svr19 3.819
Protein with the highest isoelectric point:
>tr|L0P9M7|L0P9M7_PNEJ8 Rab-GAP TBC domain-containing protein OS=Pneumocystis jirovecii (strain SE8) OX=1209962 GN=PNEJI1_001984 PE=4 SV=1
MM1 pKa = 7.9 PGPTVSRR8 pKa = 11.84 RR9 pKa = 11.84 SSRR12 pKa = 11.84 LTVLKK17 pKa = 10.94 NSGGKK22 pKa = 9.27 FLPALFYY29 pKa = 11.32 SPVSLIFPVFFPPFPPLSDD48 pKa = 3.93 PSADD52 pKa = 3.43 APQDD56 pKa = 3.48 IQQHH60 pKa = 5.59 RR61 pKa = 11.84 KK62 pKa = 9.43 GLPASPKK69 pKa = 9.52 EE70 pKa = 3.94 RR71 pKa = 11.84 LPPFQDD77 pKa = 3.02 GCPPRR82 pKa = 11.84 RR83 pKa = 11.84 PPRR86 pKa = 11.84 RR87 pKa = 11.84 QHH89 pKa = 5.94 RR90 pKa = 11.84 RR91 pKa = 11.84 ALAPYY96 pKa = 8.77 CINVSIATTTDD107 pKa = 2.91 ASDD110 pKa = 3.58 VGGDD114 pKa = 2.97 WRR116 pKa = 11.84 DD117 pKa = 2.94 ARR119 pKa = 11.84 EE120 pKa = 3.97 RR121 pKa = 11.84 GRR123 pKa = 11.84 QRR125 pKa = 11.84 GDD127 pKa = 2.77 GRR129 pKa = 11.84 RR130 pKa = 11.84 CQYY133 pKa = 9.55 TQGLCAPRR141 pKa = 11.84 PVDD144 pKa = 3.44 ALHH147 pKa = 6.19 EE148 pKa = 4.21 QRR150 pKa = 11.84 GCPPCNRR157 pKa = 11.84 VCPVLHH163 pKa = 6.75
Molecular weight: 18.11 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.338
IPC2_protein 9.282
IPC_protein 9.955
Toseland 10.175
ProMoST 9.97
Dawson 10.35
Bjellqvist 10.16
Wikipedia 10.57
Rodwell 10.438
Grimsley 10.423
Solomon 10.452
Lehninger 10.423
Nozaki 10.35
DTASelect 10.101
Thurlkill 10.248
EMBOSS 10.599
Sillero 10.335
Patrickios 10.116
IPC_peptide 10.452
IPC2_peptide 9.706
IPC2.peptide.svr19 8.291
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
3419
0
3419
1381820
13
5307
404.2
46.31
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
4.615 ± 0.034
1.541 ± 0.015
5.414 ± 0.027
6.782 ± 0.037
4.768 ± 0.029
4.426 ± 0.036
2.302 ± 0.016
8.327 ± 0.049
8.076 ± 0.043
9.772 ± 0.04
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
2.141 ± 0.016
6.036 ± 0.034
3.786 ± 0.028
3.762 ± 0.028
4.471 ± 0.032
8.697 ± 0.045
5.203 ± 0.027
5.073 ± 0.033
1.106 ± 0.012
3.702 ± 0.022
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