Table 1.

List of proteins and gene identified to be associated with beef tenderness by transcriptomic and/or proteomic analyses according to [9, 17].

Protein name	Gene name	Function
Actin-β	ACTB	Cellular structure
Acyl-CoA desaturase	SCD	Lipid metabolism
Acyl-coenzyme A thioesterase 2	ACOT2	Lipid metabolism
ATP synthase chain B	ATP5B	Lipid metabolism
Calpastatin	CAST	Proteolysis
CapZβ	CAPZB	Cellular structure
Caspase 3	CASP3	Apoptosis
Caspase 8	CASP8	Apoptosis
Cis-Peroxiredoxin	PRDX6	Oxidative stress
α chain B crystallin	CRYAB	Cellular stress
Desmin	DES	Cellular structure
Diacylglycerol O-acyltransferase	DGAT2	Lipid metabolism
DJ-1	PARK7	Oxidative stress/androgen regulation
Enolase 1	ENO1	Energy metabolism
Enolase 3	ENO3	Energy metabolism
Hsp20	HSPB6	Cellular stress
Hsp27	HSPB1	Cellular stress
Hsp40	DNAJA1	Cellular stress
Hsp60	HSPD1	Cellular stress
Hsp70-1A/B	HSPA1B	Cellular stress
Hsp70-8	HSPA8	Cellular stress
Hsp70-Grp75	HSPA9	Cellular stress
Lactate dehydrogenase chain B	LDHB	Energy metabolism
Malate dehydrogenase 1 (cytoplasmic)	MDH1	Energy metabolism
Malate dehydrogenase 2 (mitochondrial)	MDH2	Energy metabolism
m-calpain	CAPN2	Proteolysis
μ-calpain	CAPN1	Proteolysis
Myosin binding protein H	MYPBH	Cellular structure/contraction
Myosin heavy chain I (slow)	MYH1	Cellular structure/contraction
Myosin heavy chain II (fast)	MYH2	Cellular structure/contraction
Myosin light chain 1F	MYL1	Cellular structure/contraction
Myosin regulatory light chain 2	MLC2	Cellular structure/contraction
NADH	NADH	Energy metabolism
Phosphoglucomutase	PGM1	Energy metabolism
S100-A1	S100-A1	Contraction/signaling
Superoxide dismutase Cu/Zn	SOD1	Oxidative stress
Superoxide dismutase (mitochondrial)	SOD3	Oxidative stress
Triose phosphate isomerase	TPI	Energy metabolism
Tropomyosin 3	TPM3	Cellular structure/contraction
Troponin T1	TNNT1	Cellular structure/contraction
Troponin T3	TNNT3	Cellular structure/contraction