Streptomyces alboflavus
Average proteome isoelectric point is 6.57
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 9243 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|A0A1Z1WBM9|A0A1Z1WBM9_9ACTN Uncharacterized protein OS=Streptomyces alboflavus OX=67267 GN=SMD44_03284 PE=4 SV=1
MM1 pKa = 7.92 TDD3 pKa = 3.1 GQRR6 pKa = 11.84 NGAGGWQPHH15 pKa = 5.66 PQGEE19 pKa = 4.29 YY20 pKa = 10.71 DD21 pKa = 3.58 ADD23 pKa = 3.31 ATAFVQLPEE32 pKa = 4.24 GAADD36 pKa = 3.71 AVSTPLAAPGHH47 pKa = 6.44 GYY49 pKa = 9.98 VPPQITVTPTAPDD62 pKa = 3.39 ATDD65 pKa = 3.66 PAATGAWVLPPEE77 pKa = 4.51 VTGVAHH83 pKa = 6.76 TGGATQAVSWPDD95 pKa = 3.34 PGTQLGTHH103 pKa = 5.83 QEE105 pKa = 4.13 QQFPAEE111 pKa = 4.08 PQVPDD116 pKa = 4.13 AYY118 pKa = 10.68 DD119 pKa = 3.48 PRR121 pKa = 11.84 ATGQWTFPDD130 pKa = 3.67 AVTPPEE136 pKa = 4.06 QNGGQGGVQNGHH148 pKa = 6.71 APAAHH153 pKa = 7.08 DD154 pKa = 3.96 VTGQWSIPVADD165 pKa = 4.18 GDD167 pKa = 4.0 LPEE170 pKa = 4.58 EE171 pKa = 4.29 SGEE174 pKa = 4.06 YY175 pKa = 9.79 SASSLAAQWGGAPPPATLPGGAPAPWATSWPTQAPEE211 pKa = 4.07 APQVPQAPQAPQVPQAPEE229 pKa = 4.03 LPHH232 pKa = 8.43 APEE235 pKa = 5.03 APQASPYY242 pKa = 9.66 PAAQAFVEE250 pKa = 4.31 QAPLGPPAPAQEE262 pKa = 4.41 SAPVPPARR270 pKa = 11.84 AAEE273 pKa = 4.02 EE274 pKa = 4.54 TPFEE278 pKa = 4.09 RR279 pKa = 11.84 TAKK282 pKa = 10.5 LFVVKK287 pKa = 9.74 QRR289 pKa = 11.84 PDD291 pKa = 3.02 GSLAPAGSPGDD302 pKa = 3.68 VTDD305 pKa = 5.36 APDD308 pKa = 3.65 APGAPDD314 pKa = 3.71 VPGMPDD320 pKa = 2.97 ASGEE324 pKa = 4.46 TVNPVDD330 pKa = 3.66 PAALEE335 pKa = 4.55 GDD337 pKa = 4.85 FGPQSAASTHH347 pKa = 6.53 LAPAADD353 pKa = 3.9 PHH355 pKa = 7.3 YY356 pKa = 10.44 GADD359 pKa = 3.44 PAYY362 pKa = 10.57 DD363 pKa = 3.44 EE364 pKa = 4.32 NAYY367 pKa = 10.53 DD368 pKa = 3.58 EE369 pKa = 4.41 SAPYY373 pKa = 10.2 EE374 pKa = 4.27 EE375 pKa = 4.32 NTPYY379 pKa = 11.39 DD380 pKa = 3.86 MPPVQSADD388 pKa = 3.33 LAQSVGLAPAPGFPHH403 pKa = 6.48 TVDD406 pKa = 3.05 AVYY409 pKa = 9.16 PADD412 pKa = 4.15 PAHH415 pKa = 6.35 ATDD418 pKa = 4.58 PSYY421 pKa = 11.72 DD422 pKa = 4.08 PDD424 pKa = 4.36 PALAPPPAHH433 pKa = 6.61 PAEE436 pKa = 4.54 PAADD440 pKa = 4.0 PAHH443 pKa = 6.77 PAAVAPAVPPHH454 pKa = 6.33 EE455 pKa = 5.33 ADD457 pKa = 3.74 PAHH460 pKa = 6.37 VPAPAQAADD469 pKa = 4.07 PAPAGNPAPAPEE481 pKa = 3.93 QAHH484 pKa = 5.81 AAEE487 pKa = 5.93 AIPAADD493 pKa = 4.24 PAPAPVPEE501 pKa = 5.33 PDD503 pKa = 3.55 PAPDD507 pKa = 4.38 AGHH510 pKa = 6.36 TPDD513 pKa = 4.36 PEE515 pKa = 4.07 EE516 pKa = 4.16 PAAADD521 pKa = 4.08 DD522 pKa = 4.9 APEE525 pKa = 5.26 ADD527 pKa = 5.1 DD528 pKa = 4.97 PAEE531 pKa = 4.46 ADD533 pKa = 3.08 QDD535 pKa = 4.19 PEE537 pKa = 4.25 VEE539 pKa = 4.4 HH540 pKa = 7.81 APEE543 pKa = 4.8 ADD545 pKa = 3.52 HH546 pKa = 7.52 ASEE549 pKa = 5.4 ADD551 pKa = 3.67 DD552 pKa = 5.57 AEE554 pKa = 5.84 ADD556 pKa = 3.94 LAADD560 pKa = 4.04 SAPVEE565 pKa = 4.12 ADD567 pKa = 3.42 APVADD572 pKa = 4.97 APDD575 pKa = 3.88 NAPEE579 pKa = 4.63 PDD581 pKa = 3.64 APAHH585 pKa = 6.61 DD586 pKa = 4.05 EE587 pKa = 4.45 HH588 pKa = 7.64 PLVSYY593 pKa = 8.37 VLRR596 pKa = 11.84 VNGADD601 pKa = 4.66 RR602 pKa = 11.84 PVTDD606 pKa = 3.02 AWIGEE611 pKa = 4.15 SLLYY615 pKa = 10.18 VLRR618 pKa = 11.84 EE619 pKa = 3.94 RR620 pKa = 11.84 LGLAGAKK627 pKa = 9.72 DD628 pKa = 3.75 GCSQGEE634 pKa = 4.12 CGACNVQVDD643 pKa = 3.94 GRR645 pKa = 11.84 LVASCLVPAATAAGSEE661 pKa = 4.08 VRR663 pKa = 11.84 TVEE666 pKa = 4.04 GLAADD671 pKa = 4.46 GRR673 pKa = 11.84 PSDD676 pKa = 3.9 VQRR679 pKa = 11.84 ALANCGAVQCGFCVPGMAMTLHH701 pKa = 7.21 DD702 pKa = 5.03 LLEE705 pKa = 4.8 GNPAPSDD712 pKa = 3.69 LEE714 pKa = 4.15 TRR716 pKa = 11.84 RR717 pKa = 11.84 ALCGNLCRR725 pKa = 11.84 CSGYY729 pKa = 10.39 RR730 pKa = 11.84 GVLDD734 pKa = 3.66 AVRR737 pKa = 11.84 DD738 pKa = 4.07 VVAEE742 pKa = 4.26 RR743 pKa = 11.84 EE744 pKa = 4.49 AKK746 pKa = 10.02 GAAAEE751 pKa = 4.1 QRR753 pKa = 11.84 DD754 pKa = 4.18 DD755 pKa = 4.86 ADD757 pKa = 3.46 TGTPRR762 pKa = 11.84 VPHH765 pKa = 5.37 QSGPYY770 pKa = 8.94 GQDD773 pKa = 2.85 GAQAA777 pKa = 3.71
Molecular weight: 78.56 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.744
IPC2_protein 3.872
IPC_protein 3.91
Toseland 3.694
ProMoST 4.05
Dawson 3.884
Bjellqvist 4.037
Wikipedia 3.808
Rodwell 3.732
Grimsley 3.592
Solomon 3.884
Lehninger 3.846
Nozaki 3.999
DTASelect 4.228
Thurlkill 3.732
EMBOSS 3.821
Sillero 4.024
Patrickios 1.901
IPC_peptide 3.884
IPC2_peptide 4.012
IPC2.peptide.svr19 3.913
Protein with the highest isoelectric point:
>tr|A0A1Z1WET9|A0A1Z1WET9_9ACTN RNA polymerase sigma factor SigM OS=Streptomyces alboflavus OX=67267 GN=SMD44_04317 PE=3 SV=1
MM1 pKa = 7.69 SKK3 pKa = 9.0 RR4 pKa = 11.84 TFQPNNRR11 pKa = 11.84 RR12 pKa = 11.84 RR13 pKa = 11.84 AKK15 pKa = 8.7 THH17 pKa = 5.15 GFRR20 pKa = 11.84 LRR22 pKa = 11.84 MRR24 pKa = 11.84 TRR26 pKa = 11.84 AGRR29 pKa = 11.84 AVLASRR35 pKa = 11.84 RR36 pKa = 11.84 SKK38 pKa = 10.74 GRR40 pKa = 11.84 ARR42 pKa = 11.84 LSAA45 pKa = 3.91
Molecular weight: 5.27 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.527
IPC2_protein 11.316
IPC_protein 12.925
Toseland 13.086
ProMoST 13.583
Dawson 13.086
Bjellqvist 13.086
Wikipedia 13.554
Rodwell 12.676
Grimsley 13.13
Solomon 13.583
Lehninger 13.481
Nozaki 13.086
DTASelect 13.086
Thurlkill 13.086
EMBOSS 13.583
Sillero 13.086
Patrickios 12.398
IPC_peptide 13.583
IPC2_peptide 12.574
IPC2.peptide.svr19 9.243
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
9243
0
9243
2826290
26
4855
305.8
32.65
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
13.962 ± 0.039
0.832 ± 0.008
6.135 ± 0.023
5.545 ± 0.024
2.652 ± 0.014
9.657 ± 0.032
2.331 ± 0.013
2.895 ± 0.017
2.296 ± 0.024
10.106 ± 0.034
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.702 ± 0.011
1.638 ± 0.012
6.265 ± 0.027
2.682 ± 0.017
8.227 ± 0.029
5.092 ± 0.02
6.085 ± 0.023
8.374 ± 0.027
1.524 ± 0.011
1.999 ± 0.012
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