TABLE 4.

Modification of cardiac proteins by carnosine-propanals

Site-specific modification of lysine (k), histidine (h), and cysteine (c) residues by carnosine propanal conjugates that are noted with the lowercase and bold letters.

Sequence number	Accession number	Proteins	Modification	m/z	Peptide sequence
1	161484654	Collagen α-1(IV) chain	C12H16N4O3	264	AhGQDLGTAGSCLR
2	242397450	Paired basic amino acid cleaving system 4	C12H16N4O3	264	WLQQQEVkRR
3	241982771	Phosphatidylinositol 4-kinase type 3α	C15H20N4O4	320	GSQLhKYYMKR
4	262118187	UPF0378 protein KIAA0100	C15H20N4O4	320	LAGTEQSGQPcSR
5	170671724	UV radiation resistance associated gene	C12H16N4O3	264	HhISNAIPVPKR
6	113865905	Zinc finger ZZ-type and EF-hand domain-containing protein 1	C12H16N4O3	264	AVIVDVKTRkR