Aphanothece sacrum FPU1
Average proteome isoelectric point is 6.15
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 4301 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|A0A401IC74|A0A401IC74_APHSA Ferredoxin-nitrite reductase OS=Aphanothece sacrum FPU1 OX=1920663 GN=AsFPU1_0239 PE=4 SV=1
MM1 pKa = 7.53 AVLEE5 pKa = 4.19 QAFLLSQTTLQNFANNPDD23 pKa = 3.83 FAAKK27 pKa = 8.85 MALAFNSTSQADD39 pKa = 4.02 TLQTAWLNGDD49 pKa = 3.59 FAGFPALEE57 pKa = 3.68 IRR59 pKa = 11.84 YY60 pKa = 9.29 QSEE63 pKa = 4.21 LNGANGAYY71 pKa = 10.17 SADD74 pKa = 3.2 TGIIYY79 pKa = 10.38 LAYY82 pKa = 9.87 EE83 pKa = 4.18 YY84 pKa = 10.71 LLQLFPPSQGGLGGINALVGLILEE108 pKa = 4.7 EE109 pKa = 4.13 YY110 pKa = 8.63 GHH112 pKa = 6.07 YY113 pKa = 10.62 VDD115 pKa = 5.83 VVLNGSNDD123 pKa = 3.36 SDD125 pKa = 3.88 GDD127 pKa = 3.47 EE128 pKa = 4.21 GAIFSALVMGQSLSEE143 pKa = 4.07 TDD145 pKa = 3.44 LGQLKK150 pKa = 9.08 TEE152 pKa = 4.3 NDD154 pKa = 3.23 HH155 pKa = 7.1 GVISFNGVNIAVEE168 pKa = 4.22 MQNFAGSAGNDD179 pKa = 3.9 TITGTSGDD187 pKa = 4.16 DD188 pKa = 3.78 VIDD191 pKa = 4.02 GLGGNDD197 pKa = 4.15 SLNGLAGDD205 pKa = 5.25 DD206 pKa = 4.02 ILNGGDD212 pKa = 4.55 GNDD215 pKa = 3.94 TLDD218 pKa = 4.22 GGDD221 pKa = 4.54 GNDD224 pKa = 3.63 ILNPGLGVDD233 pKa = 4.5 TIDD236 pKa = 4.52 GNTGTDD242 pKa = 3.51 TLIADD247 pKa = 3.89 YY248 pKa = 7.79 TTATVSGIGTNNYY261 pKa = 10.21 GITNTSSKK269 pKa = 10.07 IYY271 pKa = 10.22 SSYY274 pKa = 11.61 SSTTLLNYY282 pKa = 10.81 SNIEE286 pKa = 3.94 LFNITGTQYY295 pKa = 11.54 NDD297 pKa = 3.08 SFSANTGYY305 pKa = 10.68 KK306 pKa = 9.5 INAGGGSDD314 pKa = 3.77 TLTLSLSNTSTNWVLDD330 pKa = 3.51 WANANAQLSGDD341 pKa = 4.06 SNTQISNFEE350 pKa = 4.61 KK351 pKa = 10.26 ISSVTTGSGNDD362 pKa = 3.2 TFKK365 pKa = 10.53 FTNYY369 pKa = 10.16 LLNSSIDD376 pKa = 3.72 GNTGTDD382 pKa = 3.48 TLIADD387 pKa = 4.29 CTTATVSGIGTNNYY401 pKa = 10.21 GITNTSSKK409 pKa = 10.07 IYY411 pKa = 10.22 SSYY414 pKa = 11.61 SSTTLLNYY422 pKa = 10.81 SNIEE426 pKa = 3.94 LFNITGTQYY435 pKa = 11.23 NDD437 pKa = 3.16 SLTGYY442 pKa = 9.91 AGNDD446 pKa = 3.64 TLIGAAGDD454 pKa = 3.63 DD455 pKa = 4.55 TINGTIGDD463 pKa = 4.35 SLDD466 pKa = 3.71 GGEE469 pKa = 4.55 GTDD472 pKa = 3.87 TVNLDD477 pKa = 3.78 LSSAMTNLTFDD488 pKa = 4.68 LDD490 pKa = 4.24 LSVTTNLQGISGTEE504 pKa = 3.5 VKK506 pKa = 10.61 NFEE509 pKa = 4.63 KK510 pKa = 10.34 IGTITTGSGNDD521 pKa = 3.2 TFKK524 pKa = 10.5 FTNYY528 pKa = 10.65 LLGGTINGNTGTDD541 pKa = 3.56 TLIADD546 pKa = 3.92 YY547 pKa = 7.79 TTATGSGISTNNYY560 pKa = 9.62 GITNTSSRR568 pKa = 11.84 IYY570 pKa = 10.53 SSYY573 pKa = 11.49 NSGTFLNYY581 pKa = 10.77 SNIEE585 pKa = 4.02 LFNITGTQYY594 pKa = 11.23 NDD596 pKa = 3.16 SLTGYY601 pKa = 9.91 AGNDD605 pKa = 3.64 TLIGAAGDD613 pKa = 3.63 DD614 pKa = 4.55 TINGTIGDD622 pKa = 4.43 SLDD625 pKa = 3.63 GGKK628 pKa = 8.37 GTDD631 pKa = 3.56 TVNLDD636 pKa = 3.53 LSSAITNLTFDD647 pKa = 4.96 LDD649 pKa = 4.24 LSVTTNLQGISGTEE663 pKa = 3.5 VKK665 pKa = 10.61 NFEE668 pKa = 4.63 KK669 pKa = 10.34 IGTITTGSGNDD680 pKa = 3.2 TFKK683 pKa = 10.5 FTNYY687 pKa = 10.65 LLGGTINGNTGTDD700 pKa = 3.56 TLIADD705 pKa = 3.92 YY706 pKa = 7.79 TTATGSGISTNNYY719 pKa = 9.62 GITNTSSRR727 pKa = 11.84 IYY729 pKa = 10.53 SSYY732 pKa = 11.49 NSGTFLNYY740 pKa = 10.77 SNIEE744 pKa = 4.02 LFNITGTQYY753 pKa = 11.23 NDD755 pKa = 3.16 SLTGYY760 pKa = 9.91 AGNDD764 pKa = 3.64 TLIGAAGDD772 pKa = 3.63 DD773 pKa = 4.55 TINGTIGDD781 pKa = 4.43 SLDD784 pKa = 3.63 GGKK787 pKa = 8.37 GTDD790 pKa = 3.56 TVNLDD795 pKa = 3.53 LSSAITNLTFDD806 pKa = 4.96 LDD808 pKa = 4.24 LSVTTNLQGISGTEE822 pKa = 3.5 VKK824 pKa = 10.61 NFEE827 pKa = 4.63 KK828 pKa = 10.34 IGTITTGSGNDD839 pKa = 3.2 TFKK842 pKa = 10.5 FTNYY846 pKa = 10.65 LLGGTINGNTGTDD859 pKa = 3.56 TLIADD864 pKa = 3.92 YY865 pKa = 7.79 TTATGSGISTNNYY878 pKa = 9.62 GITNTSSKK886 pKa = 10.07 IYY888 pKa = 10.22 SSYY891 pKa = 11.61 SSTTLLNYY899 pKa = 10.81 SNIEE903 pKa = 3.94 LFNITGTQYY912 pKa = 11.53 NDD914 pKa = 3.22 NLNGSGGNDD923 pKa = 3.3 TLIGGEE929 pKa = 4.47 GNDD932 pKa = 4.04 SLSGGDD938 pKa = 4.31 GNDD941 pKa = 3.26 KK942 pKa = 11.01 LSGVNAKK949 pKa = 10.35 KK950 pKa = 9.09 LTPGLNEE957 pKa = 4.03 IDD959 pKa = 3.8 TLSGGNSIDD968 pKa = 3.63 TFILGDD974 pKa = 3.67 AANIYY979 pKa = 10.81 YY980 pKa = 10.08 DD981 pKa = 4.16 DD982 pKa = 4.79 RR983 pKa = 11.84 NNTTTGTTDD992 pKa = 3.17 YY993 pKa = 11.78 ARR995 pKa = 11.84 ITDD998 pKa = 4.48 FNATQDD1004 pKa = 3.71 IIQLNGAKK1012 pKa = 10.02 SNYY1015 pKa = 9.71 RR1016 pKa = 11.84 LTTASFNNISGTAIYY1031 pKa = 10.35 VDD1033 pKa = 4.14 KK1034 pKa = 10.97 PNTEE1038 pKa = 3.95 PDD1040 pKa = 3.33 EE1041 pKa = 4.77 LIGFIEE1047 pKa = 4.93 GVTGLDD1053 pKa = 3.05 INSNAFVTAKK1063 pKa = 10.97 DD1064 pKa = 3.7 EE1065 pKa = 4.34 IAFSNAQFRR1074 pKa = 11.84 VIEE1077 pKa = 4.8 DD1078 pKa = 3.57 GTPVVAVTVVRR1089 pKa = 11.84 SGAVQTEE1096 pKa = 4.06 VSATITLNNGTAISPEE1112 pKa = 4.47 DD1113 pKa = 3.9 YY1114 pKa = 10.63 NNTPIIVNFAQGEE1127 pKa = 4.28 TSQTVIIPIIDD1138 pKa = 3.8 DD1139 pKa = 3.99 SEE1141 pKa = 4.7 FEE1143 pKa = 4.18 LDD1145 pKa = 3.29 EE1146 pKa = 4.86 TINLTLTNPTNGAVLGSQNTASLTIVDD1173 pKa = 4.59 NEE1175 pKa = 4.09 IPLPGILAFSATNYY1189 pKa = 10.58 SITEE1193 pKa = 4.41 DD1194 pKa = 3.38 GTPIVTVTIIRR1205 pKa = 11.84 TDD1207 pKa = 3.41 GSDD1210 pKa = 3.46 GAVSATLNLSDD1221 pKa = 5.04 DD1222 pKa = 3.93 TATAPNDD1229 pKa = 3.59 YY1230 pKa = 10.33 GNTPIVVNFAHH1241 pKa = 7.46 RR1242 pKa = 11.84 EE1243 pKa = 3.79 TSKK1246 pKa = 9.93 TVTIPIVNDD1255 pKa = 3.82 SIYY1258 pKa = 11.04 EE1259 pKa = 4.0 GDD1261 pKa = 3.65 EE1262 pKa = 4.05 TLKK1265 pKa = 11.15 LSLTNPTGGATLGGQNTANLTIVDD1289 pKa = 4.14 NDD1291 pKa = 3.94 LPTISLVVSPDD1302 pKa = 3.1 SVTEE1306 pKa = 4.35 DD1307 pKa = 3.13 GLTNLVYY1314 pKa = 10.42 TFIRR1318 pKa = 11.84 TGNTVSPLTVNFNVGGTGIFNNDD1341 pKa = 3.79 YY1342 pKa = 9.27 IQSGAASFNGTSGSITFAAGSDD1364 pKa = 3.76 TAILTLDD1371 pKa = 3.56 PTVDD1375 pKa = 3.33 SMFEE1379 pKa = 3.69 ADD1381 pKa = 3.42 EE1382 pKa = 4.48 TVNLTLVSSANYY1394 pKa = 10.02 NRR1396 pKa = 11.84 GTTTAVNSIITNDD1409 pKa = 4.65 DD1410 pKa = 3.32 INSGTFSFSSPQFTVNEE1427 pKa = 4.57 DD1428 pKa = 3.49 GTPITAVTINRR1439 pKa = 11.84 AGNSNGEE1446 pKa = 4.02 VSVTINLNNGTATAPNDD1463 pKa = 3.76 YY1464 pKa = 9.79 NNSPIVVTFASGQQTKK1480 pKa = 7.92 TVNIPIQNDD1489 pKa = 3.3 LTRR1492 pKa = 11.84 EE1493 pKa = 3.89 GDD1495 pKa = 3.29 EE1496 pKa = 4.63 SINMVLSNPTGGANLGTQTSANLIIADD1523 pKa = 3.91 NDD1525 pKa = 3.13 IGLNAEE1531 pKa = 4.12 YY1532 pKa = 10.65 FNGYY1536 pKa = 10.23 FNDD1539 pKa = 3.41 NLGFFTANQPILKK1552 pKa = 8.95 RR1553 pKa = 11.84 TDD1555 pKa = 2.93 KK1556 pKa = 10.67 TVNFLNLAWGHH1567 pKa = 5.35 EE1568 pKa = 4.33 TLKK1571 pKa = 11.02 ALPDD1575 pKa = 3.91 DD1576 pKa = 4.77 EE1577 pKa = 6.11 KK1578 pKa = 11.67 SKK1580 pKa = 8.9 TWW1582 pKa = 3.13
Molecular weight: 165.27 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 3.736
IPC2_protein 3.554
IPC_protein 3.617
Toseland 3.376
ProMoST 3.795
Dawson 3.63
Bjellqvist 3.77
Wikipedia 3.579
Rodwell 3.439
Grimsley 3.287
Solomon 3.617
Lehninger 3.579
Nozaki 3.732
DTASelect 4.024
Thurlkill 3.439
EMBOSS 3.579
Sillero 3.745
Patrickios 0.68
IPC_peptide 3.617
IPC2_peptide 3.719
IPC2.peptide.svr19 3.686
Protein with the highest isoelectric point:
>tr|A0A401IKL5|A0A401IKL5_APHSA VWFA domain-containing protein OS=Aphanothece sacrum FPU1 OX=1920663 GN=AsFPU1_3140 PE=4 SV=1
MM1 pKa = 7.78 IEE3 pKa = 4.04 RR4 pKa = 11.84 EE5 pKa = 4.23 KK6 pKa = 10.96 KK7 pKa = 9.86 RR8 pKa = 11.84 SRR10 pKa = 11.84 LVDD13 pKa = 3.59 KK14 pKa = 10.8 YY15 pKa = 10.75 AEE17 pKa = 3.97 KK18 pKa = 10.6 RR19 pKa = 11.84 ATLKK23 pKa = 11.02 EE24 pKa = 4.07 EE25 pKa = 3.78 FRR27 pKa = 11.84 VAEE30 pKa = 4.53 DD31 pKa = 4.44 YY32 pKa = 10.56 EE33 pKa = 5.33 DD34 pKa = 3.73 KK35 pKa = 11.02 MNLQRR40 pKa = 11.84 QLQQLPRR47 pKa = 11.84 NSSPNRR53 pKa = 11.84 RR54 pKa = 11.84 RR55 pKa = 11.84 NRR57 pKa = 11.84 CWVTGRR63 pKa = 11.84 SRR65 pKa = 11.84 GYY67 pKa = 10.25 YY68 pKa = 9.53 RR69 pKa = 11.84 DD70 pKa = 3.76 FGLSRR75 pKa = 11.84 NVLRR79 pKa = 11.84 EE80 pKa = 3.67 WAHH83 pKa = 5.74 QGLLPGVVKK92 pKa = 10.78 SSWW95 pKa = 2.92
Molecular weight: 11.53 kDa
Isoelectric point according different methods:
IPC2.protein.svr19 9.336
IPC2_protein 9.706
IPC_protein 10.584
Toseland 10.716
ProMoST 10.438
Dawson 10.804
Bjellqvist 10.526
Wikipedia 11.038
Rodwell 10.994
Grimsley 10.862
Solomon 10.935
Lehninger 10.906
Nozaki 10.687
DTASelect 10.526
Thurlkill 10.716
EMBOSS 11.111
Sillero 10.745
Patrickios 10.716
IPC_peptide 10.935
IPC2_peptide 9.472
IPC2.peptide.svr19 8.625
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
4301
0
4301
1220765
39
3314
283.8
31.87
Amino acid frequency
Ala
Cys
Asp
Glu
Phe
Gly
His
Ile
Lys
Leu
6.634 ± 0.041
0.992 ± 0.015
4.949 ± 0.036
6.53 ± 0.044
4.058 ± 0.029
6.57 ± 0.051
1.757 ± 0.021
7.763 ± 0.035
5.572 ± 0.042
11.128 ± 0.046
Met
Asn
Gln
Pro
Arg
Ser
Thr
Val
Trp
Tyr
1.917 ± 0.02
4.913 ± 0.044
4.563 ± 0.03
5.293 ± 0.036
4.521 ± 0.036
6.36 ± 0.033
5.757 ± 0.047
6.028 ± 0.032
1.413 ± 0.019
3.28 ± 0.024
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