Odobenus rosmarus divergens (Pacific walrus)

Taxonomy: cellular organisms; Eukaryota; Opisthokonta; Metazoa; Eumetazoa; Bilateria; Deuterostomia; Chordata; Craniata; Vertebrata; Gnathostomata; Teleostomi; Euteleostomi; Sarcopterygii; Dipnotetrapodomorpha; Tetrapoda; Amniota; Mammalia; Theria; Eutheria; Boreoeutheria; Laurasiatheria; Carnivora; Caniformia;

Average proteome isoelectric point is 6.69

Get precalculated fractions of proteins

Acidic
pI < 6.8
6.8-7.4
pI > 7.4
Basic
    
All



Virtual 2D-PAGE plot for 29573 proteins (isoelectric point calculated using IPC2_protein)

Get csv file with sequences according to given criteria:
        -     Method 

     -  kDa    
                                                                                      

* 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|A0A2U3ZF50|A0A2U3ZF50_ODORO LOW QUALITY PROTEIN: uncharacterized protein C2orf91 homolog OS=Odobenus rosmarus divergens OX=9708 GN=LOC105757378 PE=4 SV=1
MM1 pKa = 7.22EE2 pKa = 5.11AVVLIPCVLGLLLLPLLAGALCVRR26 pKa = 11.84CRR28 pKa = 11.84EE29 pKa = 4.25LPGSYY34 pKa = 8.64DD35 pKa = 3.36TTASDD40 pKa = 3.85SLTPSSIVLKK50 pKa = 10.42RR51 pKa = 11.84PPTVVPWPSATSYY64 pKa = 11.6APVTSYY70 pKa = 11.28PSLSQPDD77 pKa = 4.54LLPIPRR83 pKa = 11.84SPQPHH88 pKa = 6.34HH89 pKa = 6.86VPSSRR94 pKa = 11.84QDD96 pKa = 3.32SEE98 pKa = 4.34GANSVASYY106 pKa = 10.76EE107 pKa = 4.13NEE109 pKa = 3.86EE110 pKa = 4.21PVCEE114 pKa = 4.29DD115 pKa = 3.85EE116 pKa = 4.82EE117 pKa = 4.97EE118 pKa = 4.14EE119 pKa = 5.45DD120 pKa = 3.52EE121 pKa = 5.4DD122 pKa = 4.19YY123 pKa = 11.5HH124 pKa = 8.35NEE126 pKa = 4.13GYY128 pKa = 11.01LEE130 pKa = 4.22VLPDD134 pKa = 3.6STPAPSSAVPPAPVLSNPGLRR155 pKa = 11.84DD156 pKa = 3.09SAFSMEE162 pKa = 4.23SGEE165 pKa = 4.92DD166 pKa = 3.56YY167 pKa = 11.72VNVLEE172 pKa = 4.69SEE174 pKa = 4.33EE175 pKa = 4.25SADD178 pKa = 3.65VSLDD182 pKa = 3.29GSRR185 pKa = 11.84EE186 pKa = 3.96YY187 pKa = 11.72VNVSQEE193 pKa = 4.41LPPMAKK199 pKa = 8.92TEE201 pKa = 3.92PAILSSQKK209 pKa = 10.17VEE211 pKa = 4.63DD212 pKa = 4.1EE213 pKa = 4.25DD214 pKa = 5.59DD215 pKa = 3.99EE216 pKa = 4.77EE217 pKa = 5.11EE218 pKa = 4.32EE219 pKa = 4.72GAPDD223 pKa = 4.17YY224 pKa = 11.56EE225 pKa = 4.37NLL227 pKa = 3.83

Molecular weight: 24.48 kDa
Isoelectric point according different methods:





Protein with the highest isoelectric point:
>tr|A0A2U3VB18|A0A2U3VB18_ODORO mycophenolic acid acyl-glucuronide esterase mitochondrial OS=Odobenus rosmarus divergens OX=9708 GN=ABHD10 PE=4 SV=1
MM1 pKa = 7.35QSVCVPPLPHH11 pKa = 6.93LLVGSFYY18 pKa = 10.24PFPVLPTAQCPVPLPPSSPGSQPSGRR44 pKa = 11.84RR45 pKa = 11.84RR46 pKa = 11.84SRR48 pKa = 11.84ASPSGHH54 pKa = 6.81ASQPGPALRR63 pKa = 11.84SQARR67 pKa = 11.84ASGPVLRR74 pKa = 11.84SQARR78 pKa = 11.84ALGPVLRR85 pKa = 11.84SQAARR90 pKa = 11.84PGPALNGRR98 pKa = 11.84ATPPGTAFRR107 pKa = 11.84GHH109 pKa = 6.72ASGLGSALCSRR120 pKa = 11.84ASAPGPARR128 pKa = 11.84RR129 pKa = 11.84RR130 pKa = 11.84GAPAPGPALRR140 pKa = 11.84RR141 pKa = 11.84RR142 pKa = 11.84HH143 pKa = 5.49VPVSGPALRR152 pKa = 11.84SRR154 pKa = 11.84SRR156 pKa = 11.84IRR158 pKa = 11.84GRR160 pKa = 11.84TSSSGAARR168 pKa = 11.84RR169 pKa = 11.84NRR171 pKa = 11.84GRR173 pKa = 11.84APAPGPALRR182 pKa = 11.84SRR184 pKa = 11.84RR185 pKa = 11.84RR186 pKa = 11.84SSSPGAARR194 pKa = 11.84RR195 pKa = 11.84SRR197 pKa = 11.84GRR199 pKa = 11.84APAPGPALRR208 pKa = 11.84TLRR211 pKa = 11.84SRR213 pKa = 11.84RR214 pKa = 11.84RR215 pKa = 11.84SSSPGAARR223 pKa = 11.84RR224 pKa = 11.84SRR226 pKa = 11.84GRR228 pKa = 11.84APAPGPALRR237 pKa = 11.84SRR239 pKa = 11.84RR240 pKa = 11.84RR241 pKa = 11.84SSSPGAARR249 pKa = 11.84RR250 pKa = 11.84SRR252 pKa = 11.84GRR254 pKa = 11.84APAPGPALRR263 pKa = 11.84SRR265 pKa = 11.84HH266 pKa = 5.43SSSPGAASRR275 pKa = 11.84SRR277 pKa = 11.84GRR279 pKa = 11.84APAPGAASRR288 pKa = 11.84SRR290 pKa = 11.84RR291 pKa = 11.84RR292 pKa = 11.84APASGPARR300 pKa = 11.84RR301 pKa = 11.84SRR303 pKa = 11.84RR304 pKa = 11.84RR305 pKa = 11.84SSSPGATRR313 pKa = 11.84RR314 pKa = 11.84SRR316 pKa = 11.84GRR318 pKa = 11.84ASAPGPALRR327 pKa = 11.84SRR329 pKa = 11.84RR330 pKa = 11.84RR331 pKa = 11.84SSSPGSARR339 pKa = 11.84RR340 pKa = 11.84SRR342 pKa = 11.84GRR344 pKa = 11.84VSARR348 pKa = 11.84GPALRR353 pKa = 11.84SRR355 pKa = 11.84RR356 pKa = 11.84SSSPGPARR364 pKa = 11.84RR365 pKa = 11.84SRR367 pKa = 11.84ASAPGPAYY375 pKa = 10.51RR376 pKa = 11.84NRR378 pKa = 11.84ASSSRR383 pKa = 11.84ASGPSSALNNQASPPGPALRR403 pKa = 11.84NRR405 pKa = 11.84ASGSGPALRR414 pKa = 11.84NGCPTPGFVLRR425 pKa = 11.84GRR427 pKa = 11.84TIQRR431 pKa = 11.84SFPRR435 pKa = 11.84SRR437 pKa = 11.84ASLPVPPGPSPPSSPGVGLRR457 pKa = 11.84RR458 pKa = 11.84LVWQSSSSSPNPEE471 pKa = 3.95VPSLGAQPRR480 pKa = 11.84WHH482 pKa = 6.76AVRR485 pKa = 11.84MRR487 pKa = 11.84ASSPSPPGRR496 pKa = 11.84LLPFTEE502 pKa = 5.45LYY504 pKa = 10.83GEE506 pKa = 4.47SSSSSSSTSSSGSPGQSPSSSSSSTSSPKK535 pKa = 10.06FCGLGSISTPSPASLRR551 pKa = 11.84RR552 pKa = 11.84ALLPEE557 pKa = 4.99LDD559 pKa = 4.03ALSPLSPGEE568 pKa = 3.88EE569 pKa = 4.44DD570 pKa = 3.44EE571 pKa = 4.5TGSMPSSPTPPVVV584 pKa = 2.94

Molecular weight: 59.97 kDa
Isoelectric point according different methods:





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

19331

10242

29573

17273837

31

34340

584.1

65.05

Amino acid frequency

Ala

Cys

Asp

Glu

Phe

Gly

His

Ile

Lys

Leu

7.073 ± 0.015

2.162 ± 0.013

4.864 ± 0.009

7.116 ± 0.018

3.64 ± 0.01

6.624 ± 0.019

2.568 ± 0.007

4.369 ± 0.012

5.724 ± 0.018

9.843 ± 0.018

Met

Asn

Gln

Pro

Arg

Ser

Thr

Val

Trp

Tyr

2.184 ± 0.007

3.622 ± 0.009

6.337 ± 0.021

4.734 ± 0.013

5.738 ± 0.014

8.263 ± 0.017

5.25 ± 0.013

6.022 ± 0.012

1.177 ± 0.005

2.676 ± 0.007
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
See this proteome in: uniprot_link
Proteome-pI is available under Creative Commons Attribution-NoDerivs license, for more details see here

Reference: Kozlowski LP. Proteome-pI 2.0: Proteome Isoelectric Point Database Update. Nucleic Acids Res. 2021, doi: 10.1093/nar/gkab944 Contact: Lukasz P. Kozlowski