Amino acid dipepetide frequency for Candidimonas nitroreducens

Apart from single amino acid frequencies one can also calculate so called amino acid dipeptide frequency.

There is 400 possibilites (441 if we consider Xaa as additional 21st amino acid representing all non-standard or unknown amino acids). Thus, if the dipeptides would be present randomly in proteins each amino acid dipeptide should be present with 0.25% frequency. As it is not the case in the nature, for better visablity all more than expected dipepetides are marked by red, and those which are underrepresented are marked by blue in the table.

All values are presented as per milles (‰), therefore need to be multiplied by 10-3.

For more information see sequence space article on Wikipedia.

AlaCysAspGluPheGlyHisIleLysLeuMetAsnProGlnArgSerThrValTrpTyrXaa
Ala
18.815AlaAla: 18.815 ± 0.199
1.505AlaCys: 1.505 ± 0.032
6.36AlaAsp: 6.36 ± 0.074
6.15AlaGlu: 6.15 ± 0.088
3.692AlaPhe: 3.692 ± 0.06
11.825AlaGly: 11.825 ± 0.097
2.797AlaHis: 2.797 ± 0.044
5.567AlaIle: 5.567 ± 0.069
3.444AlaLys: 3.444 ± 0.058
13.772AlaLeu: 13.772 ± 0.136
3.521AlaMet: 3.521 ± 0.046
2.689AlaAsn: 2.689 ± 0.052
5.94AlaPro: 5.94 ± 0.076
5.672AlaGln: 5.672 ± 0.072
9.229AlaArg: 9.229 ± 0.107
6.72AlaSer: 6.72 ± 0.069
5.507AlaThr: 5.507 ± 0.065
8.647AlaVal: 8.647 ± 0.084
1.777AlaTrp: 1.777 ± 0.039
2.963AlaTyr: 2.963 ± 0.045
0.0AlaXaa: 0.0 ± 0.0
Cys
1.385CysAla: 1.385 ± 0.03
0.166CysCys: 0.166 ± 0.01
0.552CysAsp: 0.552 ± 0.018
0.5CysGlu: 0.5 ± 0.019
0.324CysPhe: 0.324 ± 0.017
1.127CysGly: 1.127 ± 0.029
0.289CysHis: 0.289 ± 0.013
0.456CysIle: 0.456 ± 0.015
0.224CysLys: 0.224 ± 0.012
0.98CysLeu: 0.98 ± 0.031
0.264CysMet: 0.264 ± 0.012
0.266CysAsn: 0.266 ± 0.011
0.532CysPro: 0.532 ± 0.021
0.258CysGln: 0.258 ± 0.012
0.678CysArg: 0.678 ± 0.022
0.608CysSer: 0.608 ± 0.021
0.539CysThr: 0.539 ± 0.018
0.873CysVal: 0.873 ± 0.025
0.13CysTrp: 0.13 ± 0.008
0.246CysTyr: 0.246 ± 0.012
0.0CysXaa: 0.0 ± 0.0
Asp
6.496AspAla: 6.496 ± 0.066
0.521AspCys: 0.521 ± 0.02
2.508AspAsp: 2.508 ± 0.043
2.84AspGlu: 2.84 ± 0.047
2.068AspPhe: 2.068 ± 0.036
4.55AspGly: 4.55 ± 0.077
1.079AspHis: 1.079 ± 0.027
2.873AspIle: 2.873 ± 0.041
1.621AspLys: 1.621 ± 0.031
5.337AspLeu: 5.337 ± 0.062
1.388AspMet: 1.388 ± 0.025
1.201AspAsn: 1.201 ± 0.032
3.148AspPro: 3.148 ± 0.045
1.61AspGln: 1.61 ± 0.034
3.1AspArg: 3.1 ± 0.038
2.456AspSer: 2.456 ± 0.046
2.825AspThr: 2.825 ± 0.053
3.869AspVal: 3.869 ± 0.051
0.858AspTrp: 0.858 ± 0.023
1.531AspTyr: 1.531 ± 0.034
0.0AspXaa: 0.0 ± 0.0
Glu
5.927GluAla: 5.927 ± 0.074
0.451GluCys: 0.451 ± 0.016
2.113GluAsp: 2.113 ± 0.045
2.278GluGlu: 2.278 ± 0.044
1.765GluPhe: 1.765 ± 0.033
3.279GluGly: 3.279 ± 0.051
1.446GluHis: 1.446 ± 0.031
2.857GluIle: 2.857 ± 0.047
1.696GluLys: 1.696 ± 0.038
5.756GluLeu: 5.756 ± 0.069
1.232GluMet: 1.232 ± 0.028
1.484GluAsn: 1.484 ± 0.036
2.622GluPro: 2.622 ± 0.043
2.608GluGln: 2.608 ± 0.048
4.146GluArg: 4.146 ± 0.055
2.678GluSer: 2.678 ± 0.04
2.324GluThr: 2.324 ± 0.038
3.533GluVal: 3.533 ± 0.051
0.637GluTrp: 0.637 ± 0.022
1.186GluTyr: 1.186 ± 0.027
0.0GluXaa: 0.0 ± 0.0
Phe
3.654PheAla: 3.654 ± 0.045
0.412PheCys: 0.412 ± 0.017
2.3PheAsp: 2.3 ± 0.042
1.932PheGlu: 1.932 ± 0.035
1.165PhePhe: 1.165 ± 0.028
3.277PheGly: 3.277 ± 0.049
0.76PheHis: 0.76 ± 0.021
1.536PheIle: 1.536 ± 0.032
1.14PheLys: 1.14 ± 0.028
3.02PheLeu: 3.02 ± 0.054
0.794PheMet: 0.794 ± 0.023
1.06PheAsn: 1.06 ± 0.036
1.545PhePro: 1.545 ± 0.032
1.06PheGln: 1.06 ± 0.026
1.886PheArg: 1.886 ± 0.032
2.164PheSer: 2.164 ± 0.041
1.712PheThr: 1.712 ± 0.034
2.607PheVal: 2.607 ± 0.043
0.44PheTrp: 0.44 ± 0.015
0.876PheTyr: 0.876 ± 0.022
0.0PheXaa: 0.0 ± 0.0
Gly
9.675GlyAla: 9.675 ± 0.104
0.976GlyCys: 0.976 ± 0.025
3.739GlyAsp: 3.739 ± 0.056
3.867GlyGlu: 3.867 ± 0.053
3.203GlyPhe: 3.203 ± 0.047
7.24GlyGly: 7.24 ± 0.167
2.017GlyHis: 2.017 ± 0.04
4.492GlyIle: 4.492 ± 0.059
3.384GlyLys: 3.384 ± 0.054
9.24GlyLeu: 9.24 ± 0.079
2.509GlyMet: 2.509 ± 0.041
2.293GlyAsn: 2.293 ± 0.059
3.499GlyPro: 3.499 ± 0.055
3.39GlyGln: 3.39 ± 0.049
6.059GlyArg: 6.059 ± 0.064
5.331GlySer: 5.331 ± 0.084
4.918GlyThr: 4.918 ± 0.136
6.499GlyVal: 6.499 ± 0.06
1.318GlyTrp: 1.318 ± 0.029
2.782GlyTyr: 2.782 ± 0.046
0.0GlyXaa: 0.0 ± 0.0
His
2.877HisAla: 2.877 ± 0.047
0.292HisCys: 0.292 ± 0.015
1.305HisAsp: 1.305 ± 0.029
1.154HisGlu: 1.154 ± 0.026
0.825HisPhe: 0.825 ± 0.021
2.259HisGly: 2.259 ± 0.041
0.582HisHis: 0.582 ± 0.021
1.259HisIle: 1.259 ± 0.027
0.628HisLys: 0.628 ± 0.019
2.205HisLeu: 2.205 ± 0.039
0.627HisMet: 0.627 ± 0.019
0.596HisAsn: 0.596 ± 0.02
1.641HisPro: 1.641 ± 0.036
0.75HisGln: 0.75 ± 0.021
1.433HisArg: 1.433 ± 0.028
1.183HisSer: 1.183 ± 0.027
1.188HisThr: 1.188 ± 0.026
1.771HisVal: 1.771 ± 0.031
0.375HisTrp: 0.375 ± 0.016
0.681HisTyr: 0.681 ± 0.022
0.0HisXaa: 0.0 ± 0.0
Ile
6.287IleAla: 6.287 ± 0.066
0.531IleCys: 0.531 ± 0.017
3.126IleAsp: 3.126 ± 0.053
3.158IleGlu: 3.158 ± 0.053
1.432IlePhe: 1.432 ± 0.027
4.435IleGly: 4.435 ± 0.059
1.032IleHis: 1.032 ± 0.022
1.979IleIle: 1.979 ± 0.041
1.616IleLys: 1.616 ± 0.041
4.088IleLeu: 4.088 ± 0.055
0.987IleMet: 0.987 ± 0.025
1.462IleAsn: 1.462 ± 0.035
2.353IlePro: 2.353 ± 0.039
1.54IleGln: 1.54 ± 0.032
3.017IleArg: 3.017 ± 0.047
2.883IleSer: 2.883 ± 0.045
2.518IleThr: 2.518 ± 0.047
4.009IleVal: 4.009 ± 0.051
0.539IleTrp: 0.539 ± 0.018
1.082IleTyr: 1.082 ± 0.026
0.0IleXaa: 0.0 ± 0.0
Lys
3.644LysAla: 3.644 ± 0.064
0.179LysCys: 0.179 ± 0.01
1.49LysAsp: 1.49 ± 0.034
1.465LysGlu: 1.465 ± 0.035
0.923LysPhe: 0.923 ± 0.027
2.384LysGly: 2.384 ± 0.044
0.691LysHis: 0.691 ± 0.022
1.616LysIle: 1.616 ± 0.036
1.318LysLys: 1.318 ± 0.041
3.347LysLeu: 3.347 ± 0.053
0.788LysMet: 0.788 ± 0.023
0.937LysAsn: 0.937 ± 0.024
2.058LysPro: 2.058 ± 0.04
1.291LysGln: 1.291 ± 0.029
2.071LysArg: 2.071 ± 0.036
1.867LysSer: 1.867 ± 0.036
1.789LysThr: 1.789 ± 0.038
2.29LysVal: 2.29 ± 0.049
0.44LysTrp: 0.44 ± 0.016
0.755LysTyr: 0.755 ± 0.025
0.0LysXaa: 0.0 ± 0.0
Leu
14.798LeuAla: 14.798 ± 0.121
1.195LeuCys: 1.195 ± 0.029
5.929LeuAsp: 5.929 ± 0.062
5.329LeuGlu: 5.329 ± 0.069
3.294LeuPhe: 3.294 ± 0.053
8.972LeuGly: 8.972 ± 0.084
2.382LeuHis: 2.382 ± 0.039
4.518LeuIle: 4.518 ± 0.064
3.242LeuLys: 3.242 ± 0.044
10.677LeuLeu: 10.677 ± 0.137
2.352LeuMet: 2.352 ± 0.046
2.738LeuAsn: 2.738 ± 0.041
5.979LeuPro: 5.979 ± 0.069
4.015LeuGln: 4.015 ± 0.061
7.806LeuArg: 7.806 ± 0.091
6.321LeuSer: 6.321 ± 0.07
4.809LeuThr: 4.809 ± 0.077
7.222LeuVal: 7.222 ± 0.084
1.182LeuTrp: 1.182 ± 0.029
2.386LeuTyr: 2.386 ± 0.041
0.0LeuXaa: 0.0 ± 0.0
Met
3.058MetAla: 3.058 ± 0.042
0.21MetCys: 0.21 ± 0.011
1.137MetAsp: 1.137 ± 0.03
1.084MetGlu: 1.084 ± 0.025
0.715MetPhe: 0.715 ± 0.024
1.918MetGly: 1.918 ± 0.033
0.612MetHis: 0.612 ± 0.021
1.106MetIle: 1.106 ± 0.025
0.957MetLys: 0.957 ± 0.026
2.869MetLeu: 2.869 ± 0.05
0.592MetMet: 0.592 ± 0.021
0.866MetAsn: 0.866 ± 0.023
1.609MetPro: 1.609 ± 0.032
1.127MetGln: 1.127 ± 0.026
1.728MetArg: 1.728 ± 0.031
1.712MetSer: 1.712 ± 0.033
1.452MetThr: 1.452 ± 0.031
1.662MetVal: 1.662 ± 0.034
0.211MetTrp: 0.211 ± 0.012
0.447MetTyr: 0.447 ± 0.017
0.0MetXaa: 0.0 ± 0.0
Asn
2.969AsnAla: 2.969 ± 0.046
0.25AsnCys: 0.25 ± 0.012
1.252AsnAsp: 1.252 ± 0.028
1.143AsnGlu: 1.143 ± 0.033
1.009AsnPhe: 1.009 ± 0.033
2.34AsnGly: 2.34 ± 0.076
0.547AsnHis: 0.547 ± 0.019
1.372AsnIle: 1.372 ± 0.034
0.86AsnLys: 0.86 ± 0.027
2.634AsnLeu: 2.634 ± 0.038
0.66AsnMet: 0.66 ± 0.019
0.731AsnAsn: 0.731 ± 0.028
1.915AsnPro: 1.915 ± 0.035
0.912AsnGln: 0.912 ± 0.025
1.712AsnArg: 1.712 ± 0.03
1.41AsnSer: 1.41 ± 0.035
1.485AsnThr: 1.485 ± 0.043
1.956AsnVal: 1.956 ± 0.046
0.375AsnTrp: 0.375 ± 0.016
0.733AsnTyr: 0.733 ± 0.023
0.0AsnXaa: 0.0 ± 0.0
Pro
7.197ProAla: 7.197 ± 0.093
0.426ProCys: 0.426 ± 0.016
3.542ProAsp: 3.542 ± 0.05
3.334ProGlu: 3.334 ± 0.046
1.751ProPhe: 1.751 ± 0.036
5.151ProGly: 5.151 ± 0.067
1.259ProHis: 1.259 ± 0.029
2.327ProIle: 2.327 ± 0.042
1.476ProLys: 1.476 ± 0.036
5.093ProLeu: 5.093 ± 0.056
1.282ProMet: 1.282 ± 0.029
1.345ProAsn: 1.345 ± 0.028
2.52ProPro: 2.52 ± 0.049
2.275ProGln: 2.275 ± 0.038
3.142ProArg: 3.142 ± 0.045
2.815ProSer: 2.815 ± 0.034
2.385ProThr: 2.385 ± 0.04
4.197ProVal: 4.197 ± 0.05
0.733ProTrp: 0.733 ± 0.021
1.648ProTyr: 1.648 ± 0.032
0.0ProXaa: 0.0 ± 0.0
Gln
6.24GlnAla: 6.24 ± 0.079
0.308GlnCys: 0.308 ± 0.013
1.761GlnAsp: 1.761 ± 0.034
1.851GlnGlu: 1.851 ± 0.037
1.232GlnPhe: 1.232 ± 0.026
3.306GlnGly: 3.306 ± 0.043
0.975GlnHis: 0.975 ± 0.025
1.964GlnIle: 1.964 ± 0.037
1.056GlnLys: 1.056 ± 0.029
3.674GlnLeu: 3.674 ± 0.052
0.975GlnMet: 0.975 ± 0.027
0.875GlnAsn: 0.875 ± 0.023
2.116GlnPro: 2.116 ± 0.047
1.875GlnGln: 1.875 ± 0.036
3.068GlnArg: 3.068 ± 0.05
2.082GlnSer: 2.082 ± 0.036
1.769GlnThr: 1.769 ± 0.035
2.842GlnVal: 2.842 ± 0.043
0.643GlnTrp: 0.643 ± 0.023
0.92GlnTyr: 0.92 ± 0.025
0.0GlnXaa: 0.0 ± 0.0
Arg
7.862ArgAla: 7.862 ± 0.082
0.684ArgCys: 0.684 ± 0.02
3.486ArgAsp: 3.486 ± 0.048
3.692ArgGlu: 3.692 ± 0.055
2.282ArgPhe: 2.282 ± 0.038
4.947ArgGly: 4.947 ± 0.055
2.025ArgHis: 2.025 ± 0.039
3.807ArgIle: 3.807 ± 0.056
2.308ArgLys: 2.308 ± 0.04
7.917ArgLeu: 7.917 ± 0.086
1.752ArgMet: 1.752 ± 0.034
1.954ArgAsn: 1.954 ± 0.033
3.69ArgPro: 3.69 ± 0.053
2.972ArgGln: 2.972 ± 0.05
5.581ArgArg: 5.581 ± 0.079
3.678ArgSer: 3.678 ± 0.047
2.995ArgThr: 2.995 ± 0.051
4.736ArgVal: 4.736 ± 0.062
0.99ArgTrp: 0.99 ± 0.027
2.195ArgTyr: 2.195 ± 0.037
0.0ArgXaa: 0.0 ± 0.0
Ser
6.507SerAla: 6.507 ± 0.065
0.559SerCys: 0.559 ± 0.015
2.697SerAsp: 2.697 ± 0.046
2.445SerGlu: 2.445 ± 0.034
2.077SerPhe: 2.077 ± 0.038
5.904SerGly: 5.904 ± 0.075
1.308SerHis: 1.308 ± 0.031
2.797SerIle: 2.797 ± 0.042
1.665SerLys: 1.665 ± 0.034
5.994SerLeu: 5.994 ± 0.068
1.564SerMet: 1.564 ± 0.031
1.485SerAsn: 1.485 ± 0.035
2.903SerPro: 2.903 ± 0.047
1.957SerGln: 1.957 ± 0.034
3.734SerArg: 3.734 ± 0.053
3.47SerSer: 3.47 ± 0.053
3.026SerThr: 3.026 ± 0.057
4.15SerVal: 4.15 ± 0.049
0.786SerTrp: 0.786 ± 0.026
1.487SerTyr: 1.487 ± 0.031
0.0SerXaa: 0.0 ± 0.0
Thr
5.586ThrAla: 5.586 ± 0.067
0.423ThrCys: 0.423 ± 0.018
2.431ThrAsp: 2.431 ± 0.043
2.207ThrGlu: 2.207 ± 0.036
1.547ThrPhe: 1.547 ± 0.03
4.564ThrGly: 4.564 ± 0.093
1.251ThrHis: 1.251 ± 0.028
2.397ThrIle: 2.397 ± 0.05
1.081ThrLys: 1.081 ± 0.031
6.172ThrLeu: 6.172 ± 0.104
1.143ThrMet: 1.143 ± 0.025
1.167ThrAsn: 1.167 ± 0.036
3.378ThrPro: 3.378 ± 0.05
1.865ThrGln: 1.865 ± 0.034
3.182ThrArg: 3.182 ± 0.045
2.695ThrSer: 2.695 ± 0.048
2.548ThrThr: 2.548 ± 0.059
4.008ThrVal: 4.008 ± 0.049
0.608ThrTrp: 0.608 ± 0.018
1.172ThrTyr: 1.172 ± 0.036
0.0ThrXaa: 0.0 ± 0.0
Val
9.167ValAla: 9.167 ± 0.079
0.84ValCys: 0.84 ± 0.024
4.003ValAsp: 4.003 ± 0.055
3.84ValGlu: 3.84 ± 0.046
2.594ValPhe: 2.594 ± 0.043
5.538ValGly: 5.538 ± 0.067
1.602ValHis: 1.602 ± 0.032
3.434ValIle: 3.434 ± 0.044
2.285ValLys: 2.285 ± 0.048
8.035ValLeu: 8.035 ± 0.089
1.767ValMet: 1.767 ± 0.036
2.066ValAsn: 2.066 ± 0.035
4.313ValPro: 4.313 ± 0.058
2.809ValGln: 2.809 ± 0.041
4.953ValArg: 4.953 ± 0.061
4.35ValSer: 4.35 ± 0.053
3.54ValThr: 3.54 ± 0.052
6.001ValVal: 6.001 ± 0.075
0.85ValTrp: 0.85 ± 0.026
1.67ValTyr: 1.67 ± 0.036
0.0ValXaa: 0.0 ± 0.0
Trp
1.36TrpAla: 1.36 ± 0.03
0.164TrpCys: 0.164 ± 0.011
0.587TrpAsp: 0.587 ± 0.019
0.502TrpGlu: 0.502 ± 0.017
0.498TrpPhe: 0.498 ± 0.02
0.923TrpGly: 0.923 ± 0.024
0.449TrpHis: 0.449 ± 0.017
0.661TrpIle: 0.661 ± 0.019
0.458TrpLys: 0.458 ± 0.016
1.839TrpLeu: 1.839 ± 0.04
0.364TrpMet: 0.364 ± 0.015
0.444TrpAsn: 0.444 ± 0.015
0.691TrpPro: 0.691 ± 0.021
0.636TrpGln: 0.636 ± 0.019
1.17TrpArg: 1.17 ± 0.028
0.714TrpSer: 0.714 ± 0.02
0.54TrpThr: 0.54 ± 0.023
0.941TrpVal: 0.941 ± 0.026
0.202TrpTrp: 0.202 ± 0.012
0.345TrpTyr: 0.345 ± 0.016
0.0TrpXaa: 0.0 ± 0.0
Tyr
3.088TyrAla: 3.088 ± 0.05
0.304TyrCys: 0.304 ± 0.015
1.559TyrAsp: 1.559 ± 0.032
1.248TyrGlu: 1.248 ± 0.03
0.942TyrPhe: 0.942 ± 0.025
2.487TyrGly: 2.487 ± 0.039
0.529TyrHis: 0.529 ± 0.017
1.055TyrIle: 1.055 ± 0.026
0.885TyrLys: 0.885 ± 0.029
2.495TyrLeu: 2.495 ± 0.044
0.511TyrMet: 0.511 ± 0.018
0.606TyrAsn: 0.606 ± 0.021
1.447TyrPro: 1.447 ± 0.027
0.911TyrGln: 0.911 ± 0.027
1.861TyrArg: 1.861 ± 0.041
1.381TyrSer: 1.381 ± 0.03
1.557TyrThr: 1.557 ± 0.038
1.846TyrVal: 1.846 ± 0.034
0.395TyrTrp: 0.395 ± 0.017
0.642TyrTyr: 0.642 ± 0.019
0.0TyrXaa: 0.0 ± 0.0
Xaa
0.0XaaAla: 0.0 ± 0.0
0.0XaaCys: 0.0 ± 0.0
0.0XaaAsp: 0.0 ± 0.0
0.0XaaGlu: 0.0 ± 0.0
0.0XaaPhe: 0.0 ± 0.0
0.0XaaGly: 0.0 ± 0.0
0.0XaaHis: 0.0 ± 0.0
0.0XaaIle: 0.0 ± 0.0
0.0XaaLys: 0.0 ± 0.0
0.0XaaLeu: 0.0 ± 0.0
0.0XaaMet: 0.0 ± 0.0
0.0XaaAsn: 0.0 ± 0.0
0.0XaaPro: 0.0 ± 0.0
0.0XaaGln: 0.0 ± 0.0
0.0XaaArg: 0.0 ± 0.0
0.0XaaSer: 0.0 ± 0.0
0.0XaaThr: 0.0 ± 0.0
0.0XaaVal: 0.0 ± 0.0
0.0XaaTrp: 0.0 ± 0.0
0.0XaaTyr: 0.0 ± 0.0
0.0XaaXaa: 0.0 ± 0.0
Statistics based on 4867 proteins (1618961 amino acids)

Note: The error has been estimated with the bootstraping (x100) at the protein level

Above dipeptide statistics (among other stats for this proteome) you can download from this CSV file
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