Amino acid dipepetide frequency for Spiribacter sp. E85

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
19.466AlaAla: 19.466 ± 0.243
1.273AlaCys: 1.273 ± 0.039
7.103AlaAsp: 7.103 ± 0.093
9.948AlaGlu: 9.948 ± 0.101
3.959AlaPhe: 3.959 ± 0.067
12.88AlaGly: 12.88 ± 0.14
2.393AlaHis: 2.393 ± 0.043
4.818AlaIle: 4.818 ± 0.07
1.69AlaLys: 1.69 ± 0.047
16.403AlaLeu: 16.403 ± 0.169
2.915AlaMet: 2.915 ± 0.047
2.052AlaAsn: 2.052 ± 0.042
6.175AlaPro: 6.175 ± 0.091
3.463AlaGln: 3.463 ± 0.057
11.418AlaArg: 11.418 ± 0.126
5.652AlaSer: 5.652 ± 0.062
5.533AlaThr: 5.533 ± 0.066
10.059AlaVal: 10.059 ± 0.101
1.957AlaTrp: 1.957 ± 0.042
2.523AlaTyr: 2.523 ± 0.047
0.0AlaXaa: 0.0 ± 0.0
Cys
1.078CysAla: 1.078 ± 0.029
0.123CysCys: 0.123 ± 0.011
0.462CysAsp: 0.462 ± 0.018
0.559CysGlu: 0.559 ± 0.021
0.288CysPhe: 0.288 ± 0.013
0.984CysGly: 0.984 ± 0.035
0.284CysHis: 0.284 ± 0.015
0.338CysIle: 0.338 ± 0.017
0.113CysLys: 0.113 ± 0.01
0.978CysLeu: 0.978 ± 0.032
0.152CysMet: 0.152 ± 0.012
0.183CysAsn: 0.183 ± 0.013
0.577CysPro: 0.577 ± 0.026
0.256CysGln: 0.256 ± 0.016
0.91CysArg: 0.91 ± 0.027
0.425CysSer: 0.425 ± 0.019
0.443CysThr: 0.443 ± 0.021
0.614CysVal: 0.614 ± 0.022
0.121CysTrp: 0.121 ± 0.01
0.208CysTyr: 0.208 ± 0.012
0.0CysXaa: 0.0 ± 0.0
Asp
7.311AspAla: 7.311 ± 0.09
0.562AspCys: 0.562 ± 0.024
3.24AspAsp: 3.24 ± 0.062
3.889AspGlu: 3.889 ± 0.065
1.871AspPhe: 1.871 ± 0.038
5.443AspGly: 5.443 ± 0.079
1.193AspHis: 1.193 ± 0.031
2.158AspIle: 2.158 ± 0.05
0.733AspLys: 0.733 ± 0.029
5.671AspLeu: 5.671 ± 0.069
0.959AspMet: 0.959 ± 0.027
1.005AspAsn: 1.005 ± 0.035
3.71AspPro: 3.71 ± 0.061
1.542AspGln: 1.542 ± 0.042
4.632AspArg: 4.632 ± 0.065
2.256AspSer: 2.256 ± 0.046
2.588AspThr: 2.588 ± 0.043
3.929AspVal: 3.929 ± 0.07
1.088AspTrp: 1.088 ± 0.029
1.579AspTyr: 1.579 ± 0.037
0.0AspXaa: 0.0 ± 0.0
Glu
10.21GluAla: 10.21 ± 0.119
0.483GluCys: 0.483 ± 0.021
3.331GluAsp: 3.331 ± 0.058
3.625GluGlu: 3.625 ± 0.064
1.599GluPhe: 1.599 ± 0.038
5.45GluGly: 5.45 ± 0.072
1.758GluHis: 1.758 ± 0.045
2.821GluIle: 2.821 ± 0.057
1.139GluLys: 1.139 ± 0.036
7.167GluLeu: 7.167 ± 0.081
1.281GluMet: 1.281 ± 0.033
1.206GluAsn: 1.206 ± 0.035
3.765GluPro: 3.765 ± 0.059
2.836GluGln: 2.836 ± 0.062
8.325GluArg: 8.325 ± 0.096
2.93GluSer: 2.93 ± 0.057
3.271GluThr: 3.271 ± 0.056
4.818GluVal: 4.818 ± 0.069
0.788GluTrp: 0.788 ± 0.027
1.181GluTyr: 1.181 ± 0.035
0.0GluXaa: 0.0 ± 0.0
Phe
3.84PheAla: 3.84 ± 0.075
0.334PheCys: 0.334 ± 0.015
1.898PheAsp: 1.898 ± 0.042
2.1PheGlu: 2.1 ± 0.043
1.135PhePhe: 1.135 ± 0.033
3.122PheGly: 3.122 ± 0.056
0.737PheHis: 0.737 ± 0.025
1.222PheIle: 1.222 ± 0.034
0.439PheLys: 0.439 ± 0.019
3.234PheLeu: 3.234 ± 0.065
0.585PheMet: 0.585 ± 0.025
0.712PheAsn: 0.712 ± 0.026
1.452PhePro: 1.452 ± 0.035
0.974PheGln: 0.974 ± 0.03
2.615PheArg: 2.615 ± 0.049
1.648PheSer: 1.648 ± 0.045
1.688PheThr: 1.688 ± 0.046
2.329PheVal: 2.329 ± 0.045
0.451PheTrp: 0.451 ± 0.019
0.78PheTyr: 0.78 ± 0.028
0.0PheXaa: 0.0 ± 0.0
Gly
9.909GlyAla: 9.909 ± 0.107
0.963GlyCys: 0.963 ± 0.031
4.956GlyAsp: 4.956 ± 0.078
6.745GlyGlu: 6.745 ± 0.072
3.21GlyPhe: 3.21 ± 0.054
8.214GlyGly: 8.214 ± 0.113
2.232GlyHis: 2.232 ± 0.043
3.92GlyIle: 3.92 ± 0.069
1.701GlyLys: 1.701 ± 0.043
10.28GlyLeu: 10.28 ± 0.114
2.289GlyMet: 2.289 ± 0.046
1.829GlyAsn: 1.829 ± 0.049
3.828GlyPro: 3.828 ± 0.058
2.771GlyGln: 2.771 ± 0.048
8.13GlyArg: 8.13 ± 0.097
4.455GlySer: 4.455 ± 0.066
4.405GlyThr: 4.405 ± 0.068
7.106GlyVal: 7.106 ± 0.074
1.444GlyTrp: 1.444 ± 0.035
2.353GlyTyr: 2.353 ± 0.051
0.0GlyXaa: 0.0 ± 0.0
His
2.623HisAla: 2.623 ± 0.049
0.295HisCys: 0.295 ± 0.018
1.228HisAsp: 1.228 ± 0.03
1.314HisGlu: 1.314 ± 0.04
0.805HisPhe: 0.805 ± 0.027
2.406HisGly: 2.406 ± 0.052
0.672HisHis: 0.672 ± 0.026
0.764HisIle: 0.764 ± 0.027
0.322HisLys: 0.322 ± 0.018
2.432HisLeu: 2.432 ± 0.051
0.412HisMet: 0.412 ± 0.019
0.451HisAsn: 0.451 ± 0.023
1.631HisPro: 1.631 ± 0.043
0.686HisGln: 0.686 ± 0.024
2.156HisArg: 2.156 ± 0.045
0.857HisSer: 0.857 ± 0.031
0.9HisThr: 0.9 ± 0.027
1.574HisVal: 1.574 ± 0.036
0.454HisTrp: 0.454 ± 0.018
0.648HisTyr: 0.648 ± 0.024
0.0HisXaa: 0.0 ± 0.0
Ile
5.446IleAla: 5.446 ± 0.078
0.374IleCys: 0.374 ± 0.016
2.603IleAsp: 2.603 ± 0.048
2.887IleGlu: 2.887 ± 0.056
1.079IlePhe: 1.079 ± 0.035
3.913IleGly: 3.913 ± 0.068
0.859IleHis: 0.859 ± 0.028
1.515IleIle: 1.515 ± 0.043
0.685IleLys: 0.685 ± 0.026
3.357IleLeu: 3.357 ± 0.061
0.633IleMet: 0.633 ± 0.025
1.006IleAsn: 1.006 ± 0.032
2.104IlePro: 2.104 ± 0.046
1.079IleGln: 1.079 ± 0.029
3.286IleArg: 3.286 ± 0.052
1.869IleSer: 1.869 ± 0.042
2.145IleThr: 2.145 ± 0.041
2.909IleVal: 2.909 ± 0.06
0.43IleTrp: 0.43 ± 0.019
0.812IleTyr: 0.812 ± 0.029
0.0IleXaa: 0.0 ± 0.0
Lys
2.045LysAla: 2.045 ± 0.052
0.102LysCys: 0.102 ± 0.01
0.783LysAsp: 0.783 ± 0.029
0.822LysGlu: 0.822 ± 0.031
0.379LysPhe: 0.379 ± 0.02
1.357LysGly: 1.357 ± 0.035
0.344LysHis: 0.344 ± 0.016
0.639LysIle: 0.639 ± 0.031
0.447LysLys: 0.447 ± 0.025
1.589LysLeu: 1.589 ± 0.035
0.283LysMet: 0.283 ± 0.015
0.341LysAsn: 0.341 ± 0.02
0.969LysPro: 0.969 ± 0.032
0.547LysGln: 0.547 ± 0.022
1.547LysArg: 1.547 ± 0.038
0.791LysSer: 0.791 ± 0.03
0.876LysThr: 0.876 ± 0.028
1.232LysVal: 1.232 ± 0.038
0.174LysTrp: 0.174 ± 0.012
0.357LysTyr: 0.357 ± 0.019
0.0LysXaa: 0.0 ± 0.0
Leu
17.062LeuAla: 17.062 ± 0.177
1.026LeuCys: 1.026 ± 0.033
6.582LeuAsp: 6.582 ± 0.076
7.843LeuGlu: 7.843 ± 0.101
3.388LeuPhe: 3.388 ± 0.063
9.976LeuGly: 9.976 ± 0.105
2.37LeuHis: 2.37 ± 0.054
4.014LeuIle: 4.014 ± 0.07
1.777LeuLys: 1.777 ± 0.043
12.227LeuLeu: 12.227 ± 0.15
2.11LeuMet: 2.11 ± 0.042
2.097LeuAsn: 2.097 ± 0.05
6.704LeuPro: 6.704 ± 0.084
3.698LeuGln: 3.698 ± 0.061
9.985LeuArg: 9.985 ± 0.106
5.03LeuSer: 5.03 ± 0.066
5.494LeuThr: 5.494 ± 0.071
8.249LeuVal: 8.249 ± 0.09
1.374LeuTrp: 1.374 ± 0.037
2.242LeuTyr: 2.242 ± 0.046
0.0LeuXaa: 0.0 ± 0.0
Met
2.759MetAla: 2.759 ± 0.048
0.114MetCys: 0.114 ± 0.009
1.089MetAsp: 1.089 ± 0.032
1.1MetGlu: 1.1 ± 0.031
0.486MetPhe: 0.486 ± 0.023
1.603MetGly: 1.603 ± 0.04
0.406MetHis: 0.406 ± 0.02
0.859MetIle: 0.859 ± 0.029
0.469MetLys: 0.469 ± 0.022
2.187MetLeu: 2.187 ± 0.046
0.408MetMet: 0.408 ± 0.022
0.535MetAsn: 0.535 ± 0.021
1.329MetPro: 1.329 ± 0.041
0.692MetGln: 0.692 ± 0.024
1.679MetArg: 1.679 ± 0.039
1.351MetSer: 1.351 ± 0.035
1.379MetThr: 1.379 ± 0.035
1.423MetVal: 1.423 ± 0.038
0.161MetTrp: 0.161 ± 0.012
0.283MetTyr: 0.283 ± 0.016
0.0MetXaa: 0.0 ± 0.0
Asn
2.404AsnAla: 2.404 ± 0.053
0.162AsnCys: 0.162 ± 0.013
0.965AsnAsp: 0.965 ± 0.032
1.052AsnGlu: 1.052 ± 0.032
0.592AsnPhe: 0.592 ± 0.025
1.756AsnGly: 1.756 ± 0.039
0.427AsnHis: 0.427 ± 0.021
0.878AsnIle: 0.878 ± 0.029
0.285AsnLys: 0.285 ± 0.017
2.197AsnLeu: 2.197 ± 0.048
0.389AsnMet: 0.389 ± 0.019
0.49AsnAsn: 0.49 ± 0.023
1.491AsnPro: 1.491 ± 0.035
0.545AsnGln: 0.545 ± 0.022
1.743AsnArg: 1.743 ± 0.038
0.771AsnSer: 0.771 ± 0.028
0.971AsnThr: 0.971 ± 0.029
1.517AsnVal: 1.517 ± 0.042
0.287AsnTrp: 0.287 ± 0.016
0.472AsnTyr: 0.472 ± 0.018
0.0AsnXaa: 0.0 ± 0.0
Pro
7.671ProAla: 7.671 ± 0.12
0.394ProCys: 0.394 ± 0.019
3.615ProAsp: 3.615 ± 0.057
4.97ProGlu: 4.97 ± 0.069
1.672ProPhe: 1.672 ± 0.038
5.684ProGly: 5.684 ± 0.071
1.052ProHis: 1.052 ± 0.034
1.668ProIle: 1.668 ± 0.039
0.841ProLys: 0.841 ± 0.027
5.582ProLeu: 5.582 ± 0.071
1.156ProMet: 1.156 ± 0.03
0.927ProAsn: 0.927 ± 0.033
3.39ProPro: 3.39 ± 0.064
1.628ProGln: 1.628 ± 0.041
4.089ProArg: 4.089 ± 0.071
2.255ProSer: 2.255 ± 0.044
2.204ProThr: 2.204 ± 0.044
4.682ProVal: 4.682 ± 0.061
0.869ProTrp: 0.869 ± 0.026
1.13ProTyr: 1.13 ± 0.034
0.0ProXaa: 0.0 ± 0.0
Gln
4.612GlnAla: 4.612 ± 0.064
0.207GlnCys: 0.207 ± 0.012
1.415GlnAsp: 1.415 ± 0.037
1.742GlnGlu: 1.742 ± 0.04
0.855GlnPhe: 0.855 ± 0.026
2.671GlnGly: 2.671 ± 0.039
0.701GlnHis: 0.701 ± 0.026
1.202GlnIle: 1.202 ± 0.036
0.535GlnLys: 0.535 ± 0.022
3.279GlnLeu: 3.279 ± 0.055
0.627GlnMet: 0.627 ± 0.021
0.523GlnAsn: 0.523 ± 0.023
1.899GlnPro: 1.899 ± 0.038
1.279GlnGln: 1.279 ± 0.036
3.57GlnArg: 3.57 ± 0.063
1.443GlnSer: 1.443 ± 0.036
1.378GlnThr: 1.378 ± 0.034
2.438GlnVal: 2.438 ± 0.044
0.49GlnTrp: 0.49 ± 0.02
0.611GlnTyr: 0.611 ± 0.022
0.0GlnXaa: 0.0 ± 0.0
Arg
9.992ArgAla: 9.992 ± 0.11
0.842ArgCys: 0.842 ± 0.028
4.795ArgAsp: 4.795 ± 0.063
7.065ArgGlu: 7.065 ± 0.088
3.312ArgPhe: 3.312 ± 0.055
6.605ArgGly: 6.605 ± 0.089
2.565ArgHis: 2.565 ± 0.05
3.912ArgIle: 3.912 ± 0.064
1.446ArgLys: 1.446 ± 0.036
11.808ArgLeu: 11.808 ± 0.136
1.981ArgMet: 1.981 ± 0.041
1.722ArgAsn: 1.722 ± 0.039
4.736ArgPro: 4.736 ± 0.073
3.303ArgGln: 3.303 ± 0.059
9.675ArgArg: 9.675 ± 0.124
3.854ArgSer: 3.854 ± 0.065
3.54ArgThr: 3.54 ± 0.057
6.57ArgVal: 6.57 ± 0.076
1.464ArgTrp: 1.464 ± 0.036
2.417ArgTyr: 2.417 ± 0.039
0.0ArgXaa: 0.0 ± 0.0
Ser
5.652SerAla: 5.652 ± 0.077
0.366SerCys: 0.366 ± 0.017
2.362SerAsp: 2.362 ± 0.05
2.933SerGlu: 2.933 ± 0.061
1.396SerPhe: 1.396 ± 0.037
5.027SerGly: 5.027 ± 0.076
1.012SerHis: 1.012 ± 0.027
1.741SerIle: 1.741 ± 0.044
0.724SerLys: 0.724 ± 0.026
5.128SerLeu: 5.128 ± 0.061
0.995SerMet: 0.995 ± 0.027
0.916SerAsn: 0.916 ± 0.03
2.529SerPro: 2.529 ± 0.047
1.347SerGln: 1.347 ± 0.039
3.887SerArg: 3.887 ± 0.046
2.17SerSer: 2.17 ± 0.044
2.023SerThr: 2.023 ± 0.039
3.604SerVal: 3.604 ± 0.06
0.624SerTrp: 0.624 ± 0.022
0.994SerTyr: 0.994 ± 0.032
0.0SerXaa: 0.0 ± 0.0
Thr
6.063ThrAla: 6.063 ± 0.077
0.363ThrCys: 0.363 ± 0.018
2.583ThrAsp: 2.583 ± 0.05
2.689ThrGlu: 2.689 ± 0.055
1.512ThrPhe: 1.512 ± 0.034
4.98ThrGly: 4.98 ± 0.068
0.984ThrHis: 0.984 ± 0.031
1.701ThrIle: 1.701 ± 0.046
0.574ThrLys: 0.574 ± 0.028
6.098ThrLeu: 6.098 ± 0.079
0.801ThrMet: 0.801 ± 0.027
0.813ThrAsn: 0.813 ± 0.029
3.155ThrPro: 3.155 ± 0.056
1.161ThrGln: 1.161 ± 0.033
3.699ThrArg: 3.699 ± 0.056
1.971ThrSer: 1.971 ± 0.042
2.316ThrThr: 2.316 ± 0.039
4.293ThrVal: 4.293 ± 0.068
0.58ThrTrp: 0.58 ± 0.024
0.935ThrTyr: 0.935 ± 0.025
0.0ThrXaa: 0.0 ± 0.0
Val
9.799ValAla: 9.799 ± 0.102
0.699ValCys: 0.699 ± 0.026
4.476ValAsp: 4.476 ± 0.058
4.696ValGlu: 4.696 ± 0.065
2.519ValPhe: 2.519 ± 0.053
5.719ValGly: 5.719 ± 0.072
1.715ValHis: 1.715 ± 0.039
3.469ValIle: 3.469 ± 0.062
1.185ValLys: 1.185 ± 0.042
8.675ValLeu: 8.675 ± 0.093
1.683ValMet: 1.683 ± 0.037
1.802ValAsn: 1.802 ± 0.046
4.036ValPro: 4.036 ± 0.06
2.17ValGln: 2.17 ± 0.045
6.222ValArg: 6.222 ± 0.078
3.955ValSer: 3.955 ± 0.06
4.429ValThr: 4.429 ± 0.06
6.233ValVal: 6.233 ± 0.075
0.956ValTrp: 0.956 ± 0.027
1.582ValTyr: 1.582 ± 0.041
0.0ValXaa: 0.0 ± 0.0
Trp
1.324TrpAla: 1.324 ± 0.034
0.148TrpCys: 0.148 ± 0.011
0.629TrpAsp: 0.629 ± 0.026
0.762TrpGlu: 0.762 ± 0.027
0.494TrpPhe: 0.494 ± 0.022
0.944TrpGly: 0.944 ± 0.028
0.382TrpHis: 0.382 ± 0.017
0.619TrpIle: 0.619 ± 0.024
0.212TrpLys: 0.212 ± 0.014
2.309TrpLeu: 2.309 ± 0.05
0.325TrpMet: 0.325 ± 0.016
0.317TrpAsn: 0.317 ± 0.017
0.764TrpPro: 0.764 ± 0.027
0.752TrpGln: 0.752 ± 0.026
1.567TrpArg: 1.567 ± 0.038
0.729TrpSer: 0.729 ± 0.027
0.587TrpThr: 0.587 ± 0.023
0.948TrpVal: 0.948 ± 0.028
0.264TrpTrp: 0.264 ± 0.015
0.297TrpTyr: 0.297 ± 0.016
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.411TyrAla: 2.411 ± 0.05
0.265TyrCys: 0.265 ± 0.014
1.243TyrAsp: 1.243 ± 0.035
1.241TyrGlu: 1.241 ± 0.033
0.743TyrPhe: 0.743 ± 0.028
2.003TyrGly: 2.003 ± 0.04
0.544TyrHis: 0.544 ± 0.022
0.733TyrIle: 0.733 ± 0.023
0.307TyrLys: 0.307 ± 0.015
2.648TyrLeu: 2.648 ± 0.042
0.33TyrMet: 0.33 ± 0.017
0.47TyrAsn: 0.47 ± 0.019
1.236TyrPro: 1.236 ± 0.035
0.747TyrGln: 0.747 ± 0.025
2.468TyrArg: 2.468 ± 0.042
1.017TyrSer: 1.017 ± 0.032
1.104TyrThr: 1.104 ± 0.035
1.494TyrVal: 1.494 ± 0.036
0.397TyrTrp: 0.397 ± 0.019
0.598TyrTyr: 0.598 ± 0.023
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 3732 proteins (1191587 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