Amino acid dipepetide frequency for Helicobacter suis HS5

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
3.05AlaAla: 3.05 ± 0.107
1.237AlaCys: 1.237 ± 0.076
2.675AlaAsp: 2.675 ± 0.094
2.725AlaGlu: 2.725 ± 0.098
4.031AlaPhe: 4.031 ± 0.114
4.015AlaGly: 4.015 ± 0.143
2.337AlaHis: 2.337 ± 0.069
5.77AlaIle: 5.77 ± 0.135
6.227AlaLys: 6.227 ± 0.126
11.001AlaLeu: 11.001 ± 0.191
2.029AlaMet: 2.029 ± 0.068
3.449AlaAsn: 3.449 ± 0.098
2.501AlaPro: 2.501 ± 0.077
3.643AlaGln: 3.643 ± 0.105
3.391AlaArg: 3.391 ± 0.095
5.099AlaSer: 5.099 ± 0.135
3.546AlaThr: 3.546 ± 0.1
3.294AlaVal: 3.294 ± 0.101
0.602AlaTrp: 0.602 ± 0.039
2.992AlaTyr: 2.992 ± 0.093
0.0AlaXaa: 0.0 ± 0.0
Cys
1.045CysAla: 1.045 ± 0.055
0.161CysCys: 0.161 ± 0.023
0.571CysAsp: 0.571 ± 0.044
0.557CysGlu: 0.557 ± 0.045
0.704CysPhe: 0.704 ± 0.047
0.904CysGly: 0.904 ± 0.054
0.338CysHis: 0.338 ± 0.036
0.873CysIle: 0.873 ± 0.054
0.693CysLys: 0.693 ± 0.048
1.4CysLeu: 1.4 ± 0.071
0.496CysMet: 0.496 ± 0.036
0.396CysAsn: 0.396 ± 0.039
0.477CysPro: 0.477 ± 0.042
0.46CysGln: 0.46 ± 0.04
0.333CysArg: 0.333 ± 0.033
0.707CysSer: 0.707 ± 0.044
0.518CysThr: 0.518 ± 0.037
1.034CysVal: 1.034 ± 0.053
0.091CysTrp: 0.091 ± 0.016
0.471CysTyr: 0.471 ± 0.036
0.0CysXaa: 0.0 ± 0.0
Asp
3.08AspAla: 3.08 ± 0.096
0.596AspCys: 0.596 ± 0.038
1.447AspAsp: 1.447 ± 0.078
1.974AspGlu: 1.974 ± 0.082
3.266AspPhe: 3.266 ± 0.104
2.298AspGly: 2.298 ± 0.094
1.189AspHis: 1.189 ± 0.061
3.435AspIle: 3.435 ± 0.11
3.28AspLys: 3.28 ± 0.114
6.088AspLeu: 6.088 ± 0.141
1.245AspMet: 1.245 ± 0.054
1.73AspAsn: 1.73 ± 0.076
1.819AspPro: 1.819 ± 0.077
1.888AspGln: 1.888 ± 0.08
1.993AspArg: 1.993 ± 0.078
2.786AspSer: 2.786 ± 0.09
2.404AspThr: 2.404 ± 0.087
2.662AspVal: 2.662 ± 0.095
0.33AspTrp: 0.33 ± 0.03
2.029AspTyr: 2.029 ± 0.078
0.0AspXaa: 0.0 ± 0.0
Glu
4.658GluAla: 4.658 ± 0.125
0.713GluCys: 0.713 ± 0.047
2.576GluAsp: 2.576 ± 0.082
4.381GluGlu: 4.381 ± 0.151
2.412GluPhe: 2.412 ± 0.088
3.967GluGly: 3.967 ± 0.124
1.569GluHis: 1.569 ± 0.076
4.979GluIle: 4.979 ± 0.106
4.833GluLys: 4.833 ± 0.14
5.473GluLeu: 5.473 ± 0.145
1.444GluMet: 1.444 ± 0.066
2.958GluAsn: 2.958 ± 0.105
1.788GluPro: 1.788 ± 0.08
3.019GluGln: 3.019 ± 0.128
2.944GluArg: 2.944 ± 0.104
3.693GluSer: 3.693 ± 0.113
2.179GluThr: 2.179 ± 0.084
4.494GluVal: 4.494 ± 0.134
0.555GluTrp: 0.555 ± 0.04
1.763GluTyr: 1.763 ± 0.071
0.0GluXaa: 0.0 ± 0.0
Phe
3.213PheAla: 3.213 ± 0.094
0.796PheCys: 0.796 ± 0.05
2.468PheAsp: 2.468 ± 0.095
2.942PheGlu: 2.942 ± 0.092
2.623PhePhe: 2.623 ± 0.103
3.274PheGly: 3.274 ± 0.112
0.762PheHis: 0.762 ± 0.052
3.538PheIle: 3.538 ± 0.104
4.544PheLys: 4.544 ± 0.13
6.18PheLeu: 6.18 ± 0.149
1.356PheMet: 1.356 ± 0.058
2.576PheAsn: 2.576 ± 0.091
1.342PhePro: 1.342 ± 0.055
1.048PheGln: 1.048 ± 0.061
1.292PheArg: 1.292 ± 0.055
3.959PheSer: 3.959 ± 0.121
2.021PheThr: 2.021 ± 0.084
3.086PheVal: 3.086 ± 0.096
0.435PheTrp: 0.435 ± 0.041
2.279PheTyr: 2.279 ± 0.088
0.0PheXaa: 0.0 ± 0.0
Gly
4.686GlyAla: 4.686 ± 0.126
0.823GlyCys: 0.823 ± 0.048
2.789GlyAsp: 2.789 ± 0.093
3.102GlyGlu: 3.102 ± 0.105
3.785GlyPhe: 3.785 ± 0.111
4.738GlyGly: 4.738 ± 0.172
1.514GlyHis: 1.514 ± 0.07
4.672GlyIle: 4.672 ± 0.124
4.048GlyLys: 4.048 ± 0.114
6.784GlyLeu: 6.784 ± 0.159
1.927GlyMet: 1.927 ± 0.079
2.321GlyAsn: 2.321 ± 0.09
1.253GlyPro: 1.253 ± 0.075
2.243GlyGln: 2.243 ± 0.087
2.39GlyArg: 2.39 ± 0.091
3.987GlySer: 3.987 ± 0.11
2.448GlyThr: 2.448 ± 0.098
5.778GlyVal: 5.778 ± 0.167
0.541GlyTrp: 0.541 ± 0.04
2.761GlyTyr: 2.761 ± 0.099
0.0GlyXaa: 0.0 ± 0.0
His
2.459HisAla: 2.459 ± 0.094
0.311HisCys: 0.311 ± 0.03
0.896HisAsp: 0.896 ± 0.05
1.015HisGlu: 1.015 ± 0.057
1.694HisPhe: 1.694 ± 0.079
1.458HisGly: 1.458 ± 0.064
0.679HisHis: 0.679 ± 0.049
1.741HisIle: 1.741 ± 0.072
1.952HisLys: 1.952 ± 0.072
3.091HisLeu: 3.091 ± 0.093
0.627HisMet: 0.627 ± 0.044
1.131HisAsn: 1.131 ± 0.054
1.353HisPro: 1.353 ± 0.059
0.896HisGln: 0.896 ± 0.05
0.821HisArg: 0.821 ± 0.041
1.616HisSer: 1.616 ± 0.061
1.519HisThr: 1.519 ± 0.059
1.397HisVal: 1.397 ± 0.065
0.164HisTrp: 0.164 ± 0.019
1.115HisTyr: 1.115 ± 0.063
0.0HisXaa: 0.0 ± 0.0
Ile
5.975IleAla: 5.975 ± 0.138
0.957IleCys: 0.957 ± 0.055
3.485IleAsp: 3.485 ± 0.093
4.697IleGlu: 4.697 ± 0.115
3.297IlePhe: 3.297 ± 0.092
4.5IleGly: 4.5 ± 0.116
1.539IleHis: 1.539 ± 0.078
4.087IleIle: 4.087 ± 0.133
5.65IleLys: 5.65 ± 0.12
8.32IleLeu: 8.32 ± 0.181
1.159IleMet: 1.159 ± 0.061
3.219IleAsn: 3.219 ± 0.094
2.928IlePro: 2.928 ± 0.096
2.773IleGln: 2.773 ± 0.092
2.512IleArg: 2.512 ± 0.08
4.647IleSer: 4.647 ± 0.103
3.74IleThr: 3.74 ± 0.106
4.023IleVal: 4.023 ± 0.121
0.499IleTrp: 0.499 ± 0.036
2.712IleTyr: 2.712 ± 0.082
0.0IleXaa: 0.0 ± 0.0
Lys
5.869LysAla: 5.869 ± 0.124
0.516LysCys: 0.516 ± 0.04
4.275LysAsp: 4.275 ± 0.111
6.704LysGlu: 6.704 ± 0.162
2.032LysPhe: 2.032 ± 0.078
4.442LysGly: 4.442 ± 0.13
2.093LysHis: 2.093 ± 0.078
5.844LysIle: 5.844 ± 0.131
5.273LysLys: 5.273 ± 0.139
6.022LysLeu: 6.022 ± 0.131
1.769LysMet: 1.769 ± 0.073
4.297LysAsn: 4.297 ± 0.091
3.116LysPro: 3.116 ± 0.104
3.762LysGln: 3.762 ± 0.118
3.504LysArg: 3.504 ± 0.114
4.539LysSer: 4.539 ± 0.126
4.015LysThr: 4.015 ± 0.116
3.973LysVal: 3.973 ± 0.102
0.521LysTrp: 0.521 ± 0.035
2.007LysTyr: 2.007 ± 0.07
0.0LysXaa: 0.0 ± 0.0
Leu
8.958LeuAla: 8.958 ± 0.165
1.494LeuCys: 1.494 ± 0.068
6.441LeuAsp: 6.441 ± 0.158
9.917LeuGlu: 9.917 ± 0.236
5.104LeuPhe: 5.104 ± 0.149
7.447LeuGly: 7.447 ± 0.158
2.748LeuHis: 2.748 ± 0.09
6.607LeuIle: 6.607 ± 0.151
10.042LeuLys: 10.042 ± 0.199
11.814LeuLeu: 11.814 ± 0.242
2.412LeuMet: 2.412 ± 0.084
5.104LeuAsn: 5.104 ± 0.13
4.092LeuPro: 4.092 ± 0.127
5.406LeuGln: 5.406 ± 0.138
4.195LeuArg: 4.195 ± 0.142
8.074LeuSer: 8.074 ± 0.155
4.109LeuThr: 4.109 ± 0.1
6.341LeuVal: 6.341 ± 0.14
0.898LeuTrp: 0.898 ± 0.052
3.776LeuTyr: 3.776 ± 0.088
0.0LeuXaa: 0.0 ± 0.0
Met
2.029MetAla: 2.029 ± 0.077
0.247MetCys: 0.247 ± 0.026
1.325MetAsp: 1.325 ± 0.064
1.22MetGlu: 1.22 ± 0.064
0.948MetPhe: 0.948 ± 0.062
2.066MetGly: 2.066 ± 0.084
0.743MetHis: 0.743 ± 0.039
1.536MetIle: 1.536 ± 0.064
1.173MetLys: 1.173 ± 0.054
3.005MetLeu: 3.005 ± 0.094
0.518MetMet: 0.518 ± 0.037
0.757MetAsn: 0.757 ± 0.05
1.411MetPro: 1.411 ± 0.051
1.838MetGln: 1.838 ± 0.074
1.281MetArg: 1.281 ± 0.061
1.259MetSer: 1.259 ± 0.06
0.749MetThr: 0.749 ± 0.043
1.627MetVal: 1.627 ± 0.073
0.172MetTrp: 0.172 ± 0.022
0.53MetTyr: 0.53 ± 0.036
0.0MetXaa: 0.0 ± 0.0
Asn
3.931AsnAla: 3.931 ± 0.109
0.385AsnCys: 0.385 ± 0.036
1.733AsnAsp: 1.733 ± 0.074
1.849AsnGlu: 1.849 ± 0.089
2.229AsnPhe: 2.229 ± 0.089
2.24AsnGly: 2.24 ± 0.08
1.187AsnHis: 1.187 ± 0.062
3.219AsnIle: 3.219 ± 0.093
3.066AsnLys: 3.066 ± 0.095
5.481AsnLeu: 5.481 ± 0.13
1.151AsnMet: 1.151 ± 0.055
1.938AsnAsn: 1.938 ± 0.095
2.87AsnPro: 2.87 ± 0.109
2.171AsnGln: 2.171 ± 0.096
1.716AsnArg: 1.716 ± 0.066
2.509AsnSer: 2.509 ± 0.097
3.13AsnThr: 3.13 ± 0.094
2.121AsnVal: 2.121 ± 0.077
0.327AsnTrp: 0.327 ± 0.03
1.844AsnTyr: 1.844 ± 0.067
0.0AsnXaa: 0.0 ± 0.0
Pro
1.869ProAla: 1.869 ± 0.081
0.455ProCys: 0.455 ± 0.033
1.444ProAsp: 1.444 ± 0.06
1.946ProGlu: 1.946 ± 0.083
2.246ProPhe: 2.246 ± 0.085
1.525ProGly: 1.525 ± 0.076
1.237ProHis: 1.237 ± 0.064
2.956ProIle: 2.956 ± 0.096
3.233ProLys: 3.233 ± 0.104
5.149ProLeu: 5.149 ± 0.138
0.865ProMet: 0.865 ± 0.046
1.822ProAsn: 1.822 ± 0.071
1.736ProPro: 1.736 ± 0.091
1.669ProGln: 1.669 ± 0.072
1.034ProArg: 1.034 ± 0.052
2.878ProSer: 2.878 ± 0.106
2.556ProThr: 2.556 ± 0.091
1.852ProVal: 1.852 ± 0.08
0.283ProTrp: 0.283 ± 0.031
1.677ProTyr: 1.677 ± 0.074
0.0ProXaa: 0.0 ± 0.0
Gln
3.879GlnAla: 3.879 ± 0.103
0.302GlnCys: 0.302 ± 0.03
2.343GlnAsp: 2.343 ± 0.085
4.497GlnGlu: 4.497 ± 0.141
1.342GlnPhe: 1.342 ± 0.064
2.52GlnGly: 2.52 ± 0.082
0.962GlnHis: 0.962 ± 0.051
3.948GlnIle: 3.948 ± 0.091
3.748GlnLys: 3.748 ± 0.107
3.044GlnLeu: 3.044 ± 0.093
0.995GlnMet: 0.995 ± 0.048
2.601GlnAsn: 2.601 ± 0.097
1.045GlnPro: 1.045 ± 0.052
1.713GlnGln: 1.713 ± 0.091
1.805GlnArg: 1.805 ± 0.078
2.936GlnSer: 2.936 ± 0.096
2.506GlnThr: 2.506 ± 0.082
2.944GlnVal: 2.944 ± 0.085
0.23GlnTrp: 0.23 ± 0.025
1.065GlnTyr: 1.065 ± 0.058
0.0GlnXaa: 0.0 ± 0.0
Arg
3.094ArgAla: 3.094 ± 0.104
0.441ArgCys: 0.441 ± 0.033
1.713ArgAsp: 1.713 ± 0.078
2.29ArgGlu: 2.29 ± 0.074
2.409ArgPhe: 2.409 ± 0.083
2.418ArgGly: 2.418 ± 0.087
0.998ArgHis: 0.998 ± 0.051
3.036ArgIle: 3.036 ± 0.095
2.301ArgLys: 2.301 ± 0.086
4.572ArgLeu: 4.572 ± 0.125
1.054ArgMet: 1.054 ± 0.057
1.583ArgAsn: 1.583 ± 0.069
1.372ArgPro: 1.372 ± 0.055
1.347ArgGln: 1.347 ± 0.059
1.686ArgArg: 1.686 ± 0.078
2.237ArgSer: 2.237 ± 0.083
1.536ArgThr: 1.536 ± 0.067
3.025ArgVal: 3.025 ± 0.103
0.305ArgTrp: 0.305 ± 0.031
1.866ArgTyr: 1.866 ± 0.065
0.0ArgXaa: 0.0 ± 0.0
Ser
5.101SerAla: 5.101 ± 0.124
0.654SerCys: 0.654 ± 0.046
2.529SerAsp: 2.529 ± 0.096
2.706SerGlu: 2.706 ± 0.095
3.585SerPhe: 3.585 ± 0.113
4.001SerGly: 4.001 ± 0.12
1.713SerHis: 1.713 ± 0.074
4.516SerIle: 4.516 ± 0.138
4.824SerLys: 4.824 ± 0.104
8.359SerLeu: 8.359 ± 0.176
1.949SerMet: 1.949 ± 0.073
2.864SerAsn: 2.864 ± 0.116
2.434SerPro: 2.434 ± 0.085
2.908SerGln: 2.908 ± 0.095
2.179SerArg: 2.179 ± 0.093
4.417SerSer: 4.417 ± 0.189
3.258SerThr: 3.258 ± 0.114
4.184SerVal: 4.184 ± 0.121
0.527SerTrp: 0.527 ± 0.038
2.459SerTyr: 2.459 ± 0.093
0.0SerXaa: 0.0 ± 0.0
Thr
2.548ThrAla: 2.548 ± 0.088
0.604ThrCys: 0.604 ± 0.039
1.83ThrAsp: 1.83 ± 0.072
1.935ThrGlu: 1.935 ± 0.081
2.146ThrPhe: 2.146 ± 0.084
2.595ThrGly: 2.595 ± 0.105
1.716ThrHis: 1.716 ± 0.066
3.008ThrIle: 3.008 ± 0.085
3.158ThrLys: 3.158 ± 0.098
6.757ThrLeu: 6.757 ± 0.156
1.001ThrMet: 1.001 ± 0.053
2.185ThrAsn: 2.185 ± 0.075
3.177ThrPro: 3.177 ± 0.117
2.703ThrGln: 2.703 ± 0.096
1.855ThrArg: 1.855 ± 0.074
3.105ThrSer: 3.105 ± 0.116
2.892ThrThr: 2.892 ± 0.114
1.375ThrVal: 1.375 ± 0.072
0.408ThrTrp: 0.408 ± 0.035
1.955ThrTyr: 1.955 ± 0.076
0.0ThrXaa: 0.0 ± 0.0
Val
4.602ValAla: 4.602 ± 0.129
0.959ValCys: 0.959 ± 0.052
3.036ValAsp: 3.036 ± 0.085
3.61ValGlu: 3.61 ± 0.139
3.308ValPhe: 3.308 ± 0.11
5.099ValGly: 5.099 ± 0.123
1.339ValHis: 1.339 ± 0.06
4.139ValIle: 4.139 ± 0.122
3.36ValLys: 3.36 ± 0.098
7.636ValLeu: 7.636 ± 0.158
1.381ValMet: 1.381 ± 0.074
2.01ValAsn: 2.01 ± 0.086
1.849ValPro: 1.849 ± 0.077
2.531ValGln: 2.531 ± 0.096
2.448ValArg: 2.448 ± 0.08
4.04ValSer: 4.04 ± 0.115
1.519ValThr: 1.519 ± 0.077
5.135ValVal: 5.135 ± 0.14
0.466ValTrp: 0.466 ± 0.037
2.212ValTyr: 2.212 ± 0.084
0.0ValXaa: 0.0 ± 0.0
Trp
0.499TrpAla: 0.499 ± 0.04
0.108TrpCys: 0.108 ± 0.016
0.335TrpAsp: 0.335 ± 0.03
0.352TrpGlu: 0.352 ± 0.035
0.416TrpPhe: 0.416 ± 0.035
0.643TrpGly: 0.643 ± 0.045
0.286TrpHis: 0.286 ± 0.028
0.629TrpIle: 0.629 ± 0.042
0.396TrpLys: 0.396 ± 0.032
0.923TrpLeu: 0.923 ± 0.054
0.238TrpMet: 0.238 ± 0.024
0.297TrpAsn: 0.297 ± 0.034
0.161TrpPro: 0.161 ± 0.022
0.444TrpGln: 0.444 ± 0.033
0.377TrpArg: 0.377 ± 0.032
0.419TrpSer: 0.419 ± 0.034
0.225TrpThr: 0.225 ± 0.029
0.588TrpVal: 0.588 ± 0.04
0.103TrpTrp: 0.103 ± 0.017
0.302TrpTyr: 0.302 ± 0.03
0.0TrpXaa: 0.0 ± 0.0
Tyr
3.066TyrAla: 3.066 ± 0.082
0.474TyrCys: 0.474 ± 0.036
1.63TyrAsp: 1.63 ± 0.076
1.98TyrGlu: 1.98 ± 0.08
2.157TyrPhe: 2.157 ± 0.078
2.44TyrGly: 2.44 ± 0.1
0.984TyrHis: 0.984 ± 0.053
2.182TyrIle: 2.182 ± 0.085
2.773TyrLys: 2.773 ± 0.089
3.879TyrLeu: 3.879 ± 0.112
0.815TyrMet: 0.815 ± 0.044
1.86TyrAsn: 1.86 ± 0.07
1.705TyrPro: 1.705 ± 0.07
1.966TyrGln: 1.966 ± 0.088
1.528TyrArg: 1.528 ± 0.068
2.262TyrSer: 2.262 ± 0.079
2.082TyrThr: 2.082 ± 0.068
1.747TyrVal: 1.747 ± 0.074
0.286TyrTrp: 0.286 ± 0.03
1.652TyrTyr: 1.652 ± 0.071
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 1136 proteins (360682 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