Amino acid dipepetide frequency for Streptomyces hainanensis

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
23.471AlaAla: 23.471 ± 0.181
0.972AlaCys: 0.972 ± 0.022
8.885AlaAsp: 8.885 ± 0.071
9.782AlaGlu: 9.782 ± 0.086
3.572AlaPhe: 3.572 ± 0.047
14.563AlaGly: 14.563 ± 0.095
2.913AlaHis: 2.913 ± 0.037
3.577AlaIle: 3.577 ± 0.048
1.627AlaLys: 1.627 ± 0.033
15.242AlaLeu: 15.242 ± 0.105
2.435AlaMet: 2.435 ± 0.036
1.957AlaAsn: 1.957 ± 0.033
7.221AlaPro: 7.221 ± 0.066
3.235AlaGln: 3.235 ± 0.044
11.328AlaArg: 11.328 ± 0.086
5.53AlaSer: 5.53 ± 0.059
7.675AlaThr: 7.675 ± 0.065
12.384AlaVal: 12.384 ± 0.094
1.902AlaTrp: 1.902 ± 0.029
2.491AlaTyr: 2.491 ± 0.035
0.0AlaXaa: 0.0 ± 0.0
Cys
1.022CysAla: 1.022 ± 0.023
0.095CysCys: 0.095 ± 0.007
0.442CysAsp: 0.442 ± 0.014
0.385CysGlu: 0.385 ± 0.013
0.194CysPhe: 0.194 ± 0.009
0.888CysGly: 0.888 ± 0.022
0.181CysHis: 0.181 ± 0.009
0.105CysIle: 0.105 ± 0.007
0.073CysLys: 0.073 ± 0.005
0.751CysLeu: 0.751 ± 0.016
0.09CysMet: 0.09 ± 0.006
0.113CysAsn: 0.113 ± 0.007
0.44CysPro: 0.44 ± 0.016
0.174CysGln: 0.174 ± 0.008
0.623CysArg: 0.623 ± 0.017
0.338CysSer: 0.338 ± 0.012
0.375CysThr: 0.375 ± 0.012
0.67CysVal: 0.67 ± 0.016
0.13CysTrp: 0.13 ± 0.007
0.166CysTyr: 0.166 ± 0.009
0.0CysXaa: 0.0 ± 0.0
Asp
8.074AspAla: 8.074 ± 0.076
0.398AspCys: 0.398 ± 0.014
3.802AspAsp: 3.802 ± 0.05
4.19AspGlu: 4.19 ± 0.05
1.625AspPhe: 1.625 ± 0.027
6.55AspGly: 6.55 ± 0.061
1.529AspHis: 1.529 ± 0.025
1.815AspIle: 1.815 ± 0.031
0.586AspLys: 0.586 ± 0.018
6.252AspLeu: 6.252 ± 0.055
0.765AspMet: 0.765 ± 0.02
0.893AspAsn: 0.893 ± 0.019
4.811AspPro: 4.811 ± 0.052
1.631AspGln: 1.631 ± 0.028
5.475AspArg: 5.475 ± 0.055
2.403AspSer: 2.403 ± 0.028
3.118AspThr: 3.118 ± 0.042
4.968AspVal: 4.968 ± 0.044
1.094AspTrp: 1.094 ± 0.022
1.19AspTyr: 1.19 ± 0.026
0.0AspXaa: 0.0 ± 0.0
Glu
7.612GluAla: 7.612 ± 0.073
0.336GluCys: 0.336 ± 0.012
2.764GluAsp: 2.764 ± 0.037
3.57GluGlu: 3.57 ± 0.053
1.616GluPhe: 1.616 ± 0.026
4.377GluGly: 4.377 ± 0.047
1.523GluHis: 1.523 ± 0.027
2.232GluIle: 2.232 ± 0.035
0.867GluLys: 0.867 ± 0.024
7.582GluLeu: 7.582 ± 0.074
0.849GluMet: 0.849 ± 0.019
1.042GluAsn: 1.042 ± 0.021
4.012GluPro: 4.012 ± 0.051
1.923GluGln: 1.923 ± 0.032
6.185GluArg: 6.185 ± 0.058
2.718GluSer: 2.718 ± 0.038
3.036GluThr: 3.036 ± 0.038
4.452GluVal: 4.452 ± 0.046
0.827GluTrp: 0.827 ± 0.019
1.092GluTyr: 1.092 ± 0.022
0.0GluXaa: 0.0 ± 0.0
Phe
3.852PheAla: 3.852 ± 0.041
0.233PheCys: 0.233 ± 0.01
2.032PheAsp: 2.032 ± 0.031
1.422PheGlu: 1.422 ± 0.023
0.843PhePhe: 0.843 ± 0.024
3.053PheGly: 3.053 ± 0.036
0.635PheHis: 0.635 ± 0.02
0.591PheIle: 0.591 ± 0.017
0.302PheLys: 0.302 ± 0.013
2.586PheLeu: 2.586 ± 0.038
0.344PheMet: 0.344 ± 0.011
0.531PheAsn: 0.531 ± 0.017
1.37PhePro: 1.37 ± 0.028
0.738PheGln: 0.738 ± 0.017
1.943PheArg: 1.943 ± 0.028
1.357PheSer: 1.357 ± 0.026
1.98PheThr: 1.98 ± 0.03
2.329PheVal: 2.329 ± 0.034
0.439PheTrp: 0.439 ± 0.015
0.558PheTyr: 0.558 ± 0.015
0.0PheXaa: 0.0 ± 0.0
Gly
11.51GlyAla: 11.51 ± 0.084
0.813GlyCys: 0.813 ± 0.02
5.506GlyAsp: 5.506 ± 0.058
5.573GlyGlu: 5.573 ± 0.055
2.873GlyPhe: 2.873 ± 0.039
9.417GlyGly: 9.417 ± 0.083
2.366GlyHis: 2.366 ± 0.037
3.187GlyIle: 3.187 ± 0.041
1.403GlyLys: 1.403 ± 0.028
9.838GlyLeu: 9.838 ± 0.078
1.993GlyMet: 1.993 ± 0.032
1.775GlyAsn: 1.775 ± 0.038
5.554GlyPro: 5.554 ± 0.057
2.777GlyGln: 2.777 ± 0.044
8.708GlyArg: 8.708 ± 0.072
4.965GlySer: 4.965 ± 0.054
6.024GlyThr: 6.024 ± 0.062
7.967GlyVal: 7.967 ± 0.065
1.819GlyTrp: 1.819 ± 0.027
2.354GlyTyr: 2.354 ± 0.034
0.0GlyXaa: 0.0 ± 0.0
His
2.751HisAla: 2.751 ± 0.038
0.192HisCys: 0.192 ± 0.009
1.482HisAsp: 1.482 ± 0.029
1.228HisGlu: 1.228 ± 0.024
0.628HisPhe: 0.628 ± 0.018
2.408HisGly: 2.408 ± 0.037
0.811HisHis: 0.811 ± 0.023
0.575HisIle: 0.575 ± 0.016
0.201HisLys: 0.201 ± 0.01
2.483HisLeu: 2.483 ± 0.039
0.267HisMet: 0.267 ± 0.012
0.354HisAsn: 0.354 ± 0.012
1.843HisPro: 1.843 ± 0.032
0.633HisGln: 0.633 ± 0.016
2.367HisArg: 2.367 ± 0.036
0.891HisSer: 0.891 ± 0.019
1.261HisThr: 1.261 ± 0.026
1.718HisVal: 1.718 ± 0.029
0.374HisTrp: 0.374 ± 0.012
0.492HisTyr: 0.492 ± 0.019
0.0HisXaa: 0.0 ± 0.0
Ile
4.543IleAla: 4.543 ± 0.053
0.26IleCys: 0.26 ± 0.011
2.129IleAsp: 2.129 ± 0.034
1.913IleGlu: 1.913 ± 0.034
0.674IlePhe: 0.674 ± 0.018
3.29IleGly: 3.29 ± 0.043
0.605IleHis: 0.605 ± 0.017
0.795IleIle: 0.795 ± 0.021
0.447IleLys: 0.447 ± 0.016
2.22IleLeu: 2.22 ± 0.035
0.392IleMet: 0.392 ± 0.013
0.665IleAsn: 0.665 ± 0.021
1.756IlePro: 1.756 ± 0.027
0.669IleGln: 0.669 ± 0.019
2.327IleArg: 2.327 ± 0.03
1.577IleSer: 1.577 ± 0.031
2.132IleThr: 2.132 ± 0.033
2.544IleVal: 2.544 ± 0.036
0.354IleTrp: 0.354 ± 0.012
0.514IleTyr: 0.514 ± 0.015
0.0IleXaa: 0.0 ± 0.0
Lys
1.557LysAla: 1.557 ± 0.03
0.072LysCys: 0.072 ± 0.007
0.709LysAsp: 0.709 ± 0.019
0.711LysGlu: 0.711 ± 0.021
0.268LysPhe: 0.268 ± 0.012
0.959LysGly: 0.959 ± 0.024
0.271LysHis: 0.271 ± 0.011
0.494LysIle: 0.494 ± 0.017
0.334LysLys: 0.334 ± 0.019
1.228LysLeu: 1.228 ± 0.026
0.219LysMet: 0.219 ± 0.012
0.248LysAsn: 0.248 ± 0.012
0.85LysPro: 0.85 ± 0.019
0.359LysGln: 0.359 ± 0.014
1.05LysArg: 1.05 ± 0.028
0.688LysSer: 0.688 ± 0.018
0.725LysThr: 0.725 ± 0.021
1.034LysVal: 1.034 ± 0.025
0.154LysTrp: 0.154 ± 0.008
0.244LysTyr: 0.244 ± 0.011
0.0LysXaa: 0.0 ± 0.0
Leu
17.083LeuAla: 17.083 ± 0.123
0.796LeuCys: 0.796 ± 0.019
7.18LeuAsp: 7.18 ± 0.063
4.338LeuGlu: 4.338 ± 0.047
2.694LeuPhe: 2.694 ± 0.04
9.995LeuGly: 9.995 ± 0.08
2.186LeuHis: 2.186 ± 0.035
3.197LeuIle: 3.197 ± 0.047
1.134LeuLys: 1.134 ± 0.026
12.162LeuLeu: 12.162 ± 0.103
1.512LeuMet: 1.512 ± 0.028
1.642LeuAsn: 1.642 ± 0.03
6.855LeuPro: 6.855 ± 0.067
1.9LeuGln: 1.9 ± 0.031
9.572LeuArg: 9.572 ± 0.067
5.27LeuSer: 5.27 ± 0.053
7.372LeuThr: 7.372 ± 0.053
9.349LeuVal: 9.349 ± 0.069
1.339LeuTrp: 1.339 ± 0.025
1.726LeuTyr: 1.726 ± 0.027
0.0LeuXaa: 0.0 ± 0.0
Met
2.268MetAla: 2.268 ± 0.031
0.123MetCys: 0.123 ± 0.008
0.815MetAsp: 0.815 ± 0.019
0.636MetGlu: 0.636 ± 0.017
0.441MetPhe: 0.441 ± 0.016
1.222MetGly: 1.222 ± 0.026
0.276MetHis: 0.276 ± 0.01
0.6MetIle: 0.6 ± 0.017
0.246MetLys: 0.246 ± 0.012
1.658MetLeu: 1.658 ± 0.025
0.281MetMet: 0.281 ± 0.014
0.388MetAsn: 0.388 ± 0.013
1.039MetPro: 1.039 ± 0.023
0.319MetGln: 0.319 ± 0.013
1.474MetArg: 1.474 ± 0.026
1.221MetSer: 1.221 ± 0.024
1.384MetThr: 1.384 ± 0.025
1.214MetVal: 1.214 ± 0.023
0.187MetTrp: 0.187 ± 0.008
0.29MetTyr: 0.29 ± 0.011
0.0MetXaa: 0.0 ± 0.0
Asn
2.143AsnAla: 2.143 ± 0.036
0.145AsnCys: 0.145 ± 0.008
0.987AsnAsp: 0.987 ± 0.02
0.866AsnGlu: 0.866 ± 0.019
0.454AsnPhe: 0.454 ± 0.013
1.889AsnGly: 1.889 ± 0.032
0.396AsnHis: 0.396 ± 0.014
0.586AsnIle: 0.586 ± 0.018
0.214AsnLys: 0.214 ± 0.011
1.66AsnLeu: 1.66 ± 0.027
0.258AsnMet: 0.258 ± 0.012
0.408AsnAsn: 0.408 ± 0.017
1.305AsnPro: 1.305 ± 0.025
0.521AsnGln: 0.521 ± 0.016
1.318AsnArg: 1.318 ± 0.03
0.877AsnSer: 0.877 ± 0.021
1.02AsnThr: 1.02 ± 0.025
1.314AsnVal: 1.314 ± 0.03
0.294AsnTrp: 0.294 ± 0.012
0.384AsnTyr: 0.384 ± 0.014
0.0AsnXaa: 0.0 ± 0.0
Pro
9.185ProAla: 9.185 ± 0.077
0.311ProCys: 0.311 ± 0.012
4.725ProAsp: 4.725 ± 0.051
4.818ProGlu: 4.818 ± 0.054
1.585ProPhe: 1.585 ± 0.027
7.021ProGly: 7.021 ± 0.071
1.428ProHis: 1.428 ± 0.029
1.364ProIle: 1.364 ± 0.024
0.704ProLys: 0.704 ± 0.023
5.697ProLeu: 5.697 ± 0.064
0.989ProMet: 0.989 ± 0.02
0.996ProAsn: 0.996 ± 0.024
4.04ProPro: 4.04 ± 0.062
1.392ProGln: 1.392 ± 0.025
4.454ProArg: 4.454 ± 0.056
2.908ProSer: 2.908 ± 0.037
3.55ProThr: 3.55 ± 0.043
5.4ProVal: 5.4 ± 0.058
0.958ProTrp: 0.958 ± 0.023
1.196ProTyr: 1.196 ± 0.022
0.0ProXaa: 0.0 ± 0.0
Gln
3.403GlnAla: 3.403 ± 0.043
0.145GlnCys: 0.145 ± 0.008
1.292GlnAsp: 1.292 ± 0.024
1.385GlnGlu: 1.385 ± 0.027
0.638GlnPhe: 0.638 ± 0.019
2.035GlnGly: 2.035 ± 0.036
0.594GlnHis: 0.594 ± 0.019
0.898GlnIle: 0.898 ± 0.018
0.314GlnLys: 0.314 ± 0.013
3.019GlnLeu: 3.019 ± 0.041
0.365GlnMet: 0.365 ± 0.013
0.459GlnAsn: 0.459 ± 0.015
1.702GlnPro: 1.702 ± 0.032
1.013GlnGln: 1.013 ± 0.029
2.505GlnArg: 2.505 ± 0.04
1.088GlnSer: 1.088 ± 0.025
1.154GlnThr: 1.154 ± 0.023
2.129GlnVal: 2.129 ± 0.034
0.4GlnTrp: 0.4 ± 0.013
0.518GlnTyr: 0.518 ± 0.015
0.0GlnXaa: 0.0 ± 0.0
Arg
11.392ArgAla: 11.392 ± 0.082
0.611ArgCys: 0.611 ± 0.016
4.758ArgAsp: 4.758 ± 0.051
5.306ArgGlu: 5.306 ± 0.055
2.432ArgPhe: 2.432 ± 0.034
6.505ArgGly: 6.505 ± 0.061
2.399ArgHis: 2.399 ± 0.034
3.167ArgIle: 3.167 ± 0.039
1.062ArgLys: 1.062 ± 0.022
10.231ArgLeu: 10.231 ± 0.077
1.73ArgMet: 1.73 ± 0.026
1.411ArgAsn: 1.411 ± 0.028
5.55ArgPro: 5.55 ± 0.058
2.477ArgGln: 2.477 ± 0.036
9.13ArgArg: 9.13 ± 0.086
3.99ArgSer: 3.99 ± 0.045
4.896ArgThr: 4.896 ± 0.047
6.816ArgVal: 6.816 ± 0.059
1.568ArgTrp: 1.568 ± 0.026
1.928ArgTyr: 1.928 ± 0.031
0.0ArgXaa: 0.0 ± 0.0
Ser
6.137SerAla: 6.137 ± 0.054
0.371SerCys: 0.371 ± 0.014
2.538SerAsp: 2.538 ± 0.034
2.361SerGlu: 2.361 ± 0.035
1.497SerPhe: 1.497 ± 0.031
5.603SerGly: 5.603 ± 0.059
0.988SerHis: 0.988 ± 0.02
1.269SerIle: 1.269 ± 0.026
0.571SerLys: 0.571 ± 0.016
4.832SerLeu: 4.832 ± 0.047
0.958SerMet: 0.958 ± 0.022
0.798SerAsn: 0.798 ± 0.023
3.131SerPro: 3.131 ± 0.042
1.115SerGln: 1.115 ± 0.023
3.783SerArg: 3.783 ± 0.041
2.521SerSer: 2.521 ± 0.038
2.767SerThr: 2.767 ± 0.037
4.018SerVal: 4.018 ± 0.046
0.965SerTrp: 0.965 ± 0.02
1.158SerTyr: 1.158 ± 0.025
0.0SerXaa: 0.0 ± 0.0
Thr
8.762ThrAla: 8.762 ± 0.075
0.361ThrCys: 0.361 ± 0.012
3.625ThrAsp: 3.625 ± 0.046
3.383ThrGlu: 3.383 ± 0.04
1.619ThrPhe: 1.619 ± 0.025
6.558ThrGly: 6.558 ± 0.065
1.201ThrHis: 1.201 ± 0.025
1.742ThrIle: 1.742 ± 0.029
0.636ThrLys: 0.636 ± 0.022
6.052ThrLeu: 6.052 ± 0.053
0.931ThrMet: 0.931 ± 0.021
0.996ThrAsn: 0.996 ± 0.022
4.034ThrPro: 4.034 ± 0.047
1.196ThrGln: 1.196 ± 0.026
4.29ThrArg: 4.29 ± 0.042
2.914ThrSer: 2.914 ± 0.033
4.024ThrThr: 4.024 ± 0.055
6.077ThrVal: 6.077 ± 0.054
0.87ThrTrp: 0.87 ± 0.021
1.155ThrTyr: 1.155 ± 0.029
0.0ThrXaa: 0.0 ± 0.0
Val
11.68ValAla: 11.68 ± 0.081
0.701ValCys: 0.701 ± 0.019
5.209ValAsp: 5.209 ± 0.055
4.849ValGlu: 4.849 ± 0.049
2.376ValPhe: 2.376 ± 0.039
6.996ValGly: 6.996 ± 0.065
1.803ValHis: 1.803 ± 0.028
2.721ValIle: 2.721 ± 0.039
1.036ValLys: 1.036 ± 0.026
9.68ValLeu: 9.68 ± 0.072
1.262ValMet: 1.262 ± 0.023
1.583ValAsn: 1.583 ± 0.031
5.229ValPro: 5.229 ± 0.049
1.724ValGln: 1.724 ± 0.029
7.305ValArg: 7.305 ± 0.061
4.31ValSer: 4.31 ± 0.047
5.815ValThr: 5.815 ± 0.057
8.144ValVal: 8.144 ± 0.08
1.124ValTrp: 1.124 ± 0.021
1.504ValTyr: 1.504 ± 0.028
0.0ValXaa: 0.0 ± 0.0
Trp
1.711TrpAla: 1.711 ± 0.028
0.157TrpCys: 0.157 ± 0.008
0.875TrpAsp: 0.875 ± 0.022
0.799TrpGlu: 0.799 ± 0.017
0.516TrpPhe: 0.516 ± 0.015
1.106TrpGly: 1.106 ± 0.024
0.41TrpHis: 0.41 ± 0.014
0.516TrpIle: 0.516 ± 0.015
0.216TrpLys: 0.216 ± 0.011
1.915TrpLeu: 1.915 ± 0.037
0.255TrpMet: 0.255 ± 0.01
0.396TrpAsn: 0.396 ± 0.015
0.868TrpPro: 0.868 ± 0.022
0.598TrpGln: 0.598 ± 0.015
1.552TrpArg: 1.552 ± 0.029
0.958TrpSer: 0.958 ± 0.022
1.004TrpThr: 1.004 ± 0.023
0.977TrpVal: 0.977 ± 0.021
0.375TrpTrp: 0.375 ± 0.014
0.347TrpTyr: 0.347 ± 0.012
0.0TrpXaa: 0.0 ± 0.0
Tyr
2.606TyrAla: 2.606 ± 0.031
0.164TyrCys: 0.164 ± 0.01
1.414TyrAsp: 1.414 ± 0.034
1.099TyrGlu: 1.099 ± 0.022
0.596TyrPhe: 0.596 ± 0.016
1.986TyrGly: 1.986 ± 0.033
0.444TyrHis: 0.444 ± 0.014
0.374TyrIle: 0.374 ± 0.014
0.2TyrLys: 0.2 ± 0.009
2.216TyrLeu: 2.216 ± 0.032
0.186TyrMet: 0.186 ± 0.01
0.381TyrAsn: 0.381 ± 0.016
1.113TyrPro: 1.113 ± 0.025
0.663TyrGln: 0.663 ± 0.021
1.968TyrArg: 1.968 ± 0.033
0.857TyrSer: 0.857 ± 0.02
1.115TyrThr: 1.115 ± 0.025
1.545TyrVal: 1.545 ± 0.024
0.379TyrTrp: 0.379 ± 0.012
0.436TyrTyr: 0.436 ± 0.015
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 7007 proteins (2299493 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