Determination of protein information by recoding amino acid polymers into DNA polymers
The present disclosure relates to compositions of matter, methods, and systems for analyzing polymeric macromolecules, including polymeric macromolecules such as peptides, polypeptides, and proteins.
1 . A chemically-reactive conjugate (CRC) represented by Formula I:
wherein A comprises a nucleic acid cycle tag indicative of a workflow cycle, B comprises a reactive moiety that covalently binds and cleaves an N-terminal amino acid from a polypeptide, C comprises an immobilizing moiety, L A comprises a bond or linker, L B , comprises a bond or linker, L C comprises a bond or linker,
comprises a central moiety, and A, B and C are covalently connected to the central moiety through L A , L B , and L C .
2 . The CRC of claim 1 , comprising a cleavable group between (A) and (B), between (B) and (C), between (A) and (C), between (A) and (B+C), between (B) and (A+C), or between (C) and (A+B), or any combination thereof.
3 . The CRC of claim 1 , wherein the reactive moiety comprises a phenyl isothiocyanate, an isothiocyanate, a dansyl chloride, a dinitrofluorobenzene, an enzyme or peptide, or a combination or derivative thereof.
4 . The CRC of claim 1 , wherein the immobilizing moiety comprises a protected thiol group, a protected amine group, or a carboxyl group, an azide, an alkyne, an alkene, an aryl boronic acid, an aryl halide, a haloalkyne, an acryl, a silylalkyne, a Si—H group, a protected or photoprotected reactive group, or a photoactivated reactive group.
5 . The CRC of claim 1 , wherein the nucleic acid cycle tag is generated upon conjugating a nucleic acid sequence to a group comprising a protected or unprotected oxyamine group, a protected or unprotected thiol, a protected or unprotected amine, a protected or unprotected hydrazine, a tetrazine, an azide, an alkyne, an alkene, a trans-cyclooctene, a dibenzocyclooctyne, a bicyclononyne, a norbornene, a strained alkyne, or a strained alkene, or a derivative thereof.
6 . The CRC of claim 1 , wherein the N-terminal amino acid is derivatized and comprises a tetrazine, an azide, an alkene, an alkyne, a trans-cyclooctene, a dibenzocyclooctyne, a bicyclononyne, a norbornene, a strained alkyne, or a strained alkene.
7 . A chemically-reactive conjugate (CRC) represented by Formula II:
A
-
L
AB
B
-
L
BC
C
,
(
Formula
II
)
(Formula II), wherein at least one of A, B and C comprises a nucleic acid cycle tag indicative of a workflow cycle, at least one of A, B and C comprises a reactive moiety that covalently binds and cleaves an N-terminal amino acid from a polypeptide, at least one of A, B and C comprises an immobilizing moiety, L AB comprises a bond or linker, L BC comprises a bond or linker, and A, B and C are covalently connected through L AB and L BC .
8 . The CRC of claim 7 , comprising a cleavable group between (A) and (B), between (B) and (C), or a combination thereof.
9 . The CRC of claim 7 , wherein the reactive moiety comprises a phenyl isothiocyanate, an isothiocyanate, a dansyl chloride, a dinitrofluorobenzene, an enzyme or peptide, or a combination or derivative thereof.
10 . The CRC of claim 7 , wherein the immobilizing moiety comprises a protected thiol group, a protected amine group, or a carboxyl group, an azide, an alkyne, an alkene, an aryl boronic acid, an aryl halide, a haloalkyne, an acryl, a silylalkyne, a Si—H group, a protected or photoprotected reactive group, or a photoactivated reactive group.
11 . The CRC of claim 7 , wherein the nucleic acid cycle tag is generated upon conjugating a the nucleic acid sequence to a group comprising a protected or unprotected oxyamine group, a protected or unprotected thiol, a protected or unprotected amine, a protected or unprotected hydrazine, a tetrazine, an azide, an alkyne, an alkene, a trans-cyclooctene, a dibenzocyclooctyne, a bicyclononyne, a norbornene, a strained alkyne, or a strained alkene, or a derivative thereof.
12 . The CRC of claim 7 , wherein the N-terminal amino acid is derivatized and comprises a tetrazine, an azide, an alkene, an alkyne, a trans-cyclooctene, a dibenzocyclooctyne, a bicyclononyne, a norbornene, a strained alkyne, or a strained alkene.
13 . The CRC of claim 1 , wherein the nucleic acid sequence cycle-tag comprises a peptide nucleic acid.
14 . The CRC of claim 1 , wherein L A , L B and L C comprise polyethylene glycol, hydrocarbon, ether, carboxyl, amine, amide, azide, thiol, azide-thiol, alkylene, heteroalkylene, cyclic, or phenyl linkers.
15 . The CRC of claim 1 , wherein the reactive moiety comprises a phenyl isothiocyanate, isothiocyanate, dansyl chloride, or dinitrofluorobenzene.
16 . The CRC of claim 7 , wherein the nucleic acid cycle tag comprises a peptide nucleic acid.
17 . The CRC of claim 7 , wherein L AB and L BC comprise polyethylene glycol, hydrocarbon, ether, carboxyl, amine, amide, azide, thiol, azide-thiol, alkylene, heteroalkylene, cyclic, or phenyl linkers.
18 . The CRC of claim 7 , wherein the reactive moiety comprises a phenyl isothiocyanate, isothiocyanate, dansyl chloride, or dinitrofluorobenzene.