Table 2. Proteins Identified In Obese Females: Contraction/Cytoskeletal.

Spot	SSP	Mr (Da)	pI	Mascot score	Protein name	Swiss prot accession number	% Sequence coverage	No of peptides	Fold increase or decrease	Functional group or function
8	0203	32718	4.69	429	Tropomyosin 1, alpha chain	P58771	34	11	2.5	Striated muscle contraction
9*	3201	42381	5.23	268	Actin, smooth muscle	P62737	22	7	–2.3	Structural constituent of cytoskeleton
10*	3203	42334	5.23	318	Actin, alpha cardiac	P68033	35	10	–4.0	Structural constituent of cytoskeleton
11*	7002	224349	5.57	225	Myosin heavy chain	QO2566	2	6	–3.8	Muscle contraction
12*	5401	141799	6.06	179	Myosin binding protein C, cardiac	O70468	6	9	–1.9	Muscle contraction
13	0206	22390	5.03	283	Myosin light chain	P05977	33	8	1.7	Muscle contraction

Data represent differentially expressed proteins between control and obese female mice. Only proteins that were significantly different are reported (p < 0.05). The SSP number is assigned by the PDQuest software program (Bio-Rad). *Proteins identified in two or more independent experiments.