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Parikh vectors
1KVC_1 6LVK_1 3QMD_1 Letter Amino acid
4 12 6 S Serine
6 5 0 W Tryptophan
9 22 0 V Valine
14 19 3 A Alanine
8 13 2 N Asparagine
12 26 5 E Glutamic acid
14 20 5 G Glycine
8 8 5 Q Glutamine
5 6 7 H Histidine
7 13 2 I Isoleucine
5 13 3 Y Tyrosine
5 17 2 P Proline
10 16 11 R Arginine
3 6 8 C Cysteine
4 17 3 M Methionine
2 9 4 F Phenylalanine
6 21 3 D Aspartic acid
12 31 3 L Leucine
11 23 6 K Lycine
10 16 1 T Threonine

1KVC_1|Chain A|RIBONUCLEASE H|Escherichia coli (562)
>6LVK_1|Chains A, B|Fibroblast growth factor receptor 2|Homo sapiens (9606)
>3QMD_1|Chain A|CpG-binding protein|Homo sapiens (9606)
Protein code \(c\) LZ-complexity \(\mathrm{LZ}(w)\) Length \(n=|w|\) \(\frac{\mathrm{LZ}(w)}{n /\log_{20} n}\) \(p_w(1)\) \(p_w(2)\) \(p_w(3)\) Sequence \(w=f(c)\)
1KVC , Knot 80 155 0.86 40 127 152
MLKQVEIFTDGSCLGNPGPGGYGAILRYRGREKTFSAGYTRTTNNRMELMAAIVALEALKEHCEVILSTDSQYVRQGITQWIHNWKKRGWKTADKKPVKNVDLWQRLDAALGQHQIKWEWVKGHAGHPENERCNELARAAAMNPTLEDTGYQVEV
6LVK , Knot 136 313 0.83 40 196 295
GSHMLAGVSEYELPEDPKWEFPRDKLTLGKPLGEGCFGQVVMAEAVGIDKDKPKEAVTVAVKMLKDDATEKDLSDLVSEMEMMKMIGKHKNIINLLGACTQDGPLYVIVEYASKGNLREYLRARRPPGMEYSYDINRVPEEQMTFKDLVSCTYQLARGMEYLASQKCIHRDLAARNVLVTENNVMKIADFGLARDINNIDYYKKTTNGRLPVKWMAPEALFDRVYTHQSDVWSFGVLMWEIFTLGGSPYPGIPVEELFKLLKEGHRMDKPANCTNELYMMMRDCWHAVPSQRPTFKQLVEDLDRILTLTTNEE
3QMD , Knot 42 79 0.77 36 65 74
MHHHHHHSSRENLYFQGQIKRSARMCGECEACRRTEDCGHCDFCRDMKKFGGPNKIRQKCRLRQCQLRARESYKYFPSS

Let \(P_w(n)\) be the set of distinct subwords (intervals) in a word \(w\). Let \(p_w(n)\) be the cardinality of \(P_w(n)\). Let \(f(c)\) be the sequence in FASTA with 4-symbol Protein Data Bank code \(c\).

\(|P_{f(1KVC_1)}(2) \setminus P_{f(6LVK_1)}(2)|=48\), \(|P_{f(6LVK_1)}(2) \setminus P_{f(1KVC_1)}(2)|=117\). Let \( Z_k(x,y)=|P_x(k)\setminus P_y(k)|+|P_y(k)\setminus P_x(k)| \) be a LZ76 style (set of subwords) Jaccard distance numerator for \(P(k)\).Hydrophobic-polar version of Sequence 1:11001011001001101111101111000100001011000000001011111111011000001110000001001100110010001100100011001011001011110001010110101101000000011011110101000100101
Pair \(Z_2\) Length of longest common subsequence
1KVC_1,6LVK_1 165 4
1KVC_1,3QMD_1 146 3
6LVK_1,3QMD_1 195 4

Newick tree

 
[
	6LVK_1:95.38,
	[
		1KVC_1:73,3QMD_1:73
	]:22.38
]

Let d be the Otu--Sayood distance d.
Let d1 be the Otu--Sayood distance d1. (This makes the 4TYN sequence AAAAAA a close match...)
A roughly speaking expected distance is \((0.85)(0.8)(\frac{468 }{\log_{20} 468}-\frac{155}{\log_{20}155})=92.4\)
Status Protein1 Protein2 d d1/2
Query variables 1KVC_1 6LVK_1 114 85.5
Was not able to put for d
Was not able to put for d1

In notation analogous to [Theorem 16, Kjos-Hanssen, Niraula and Yoon (2022)],
\[ \delta= \alpha \mathrm{min} + (1-\alpha) \mathrm{max}= \begin{cases} d &\alpha=0,\\ d_1/2 &\alpha=1/2 \end{cases} \]